Post on 02-Feb-2023
Using marine biome maps to expand Marine Reserve network
Dinusha Rasanjalee Menike Jayathilake Mudiyanselage
A thesis submitted in fulfilment of the requirement for the degree of Doctor of Philosophy in Marine Science,
University of Auckland January 2020
i
Abstract
Compared to their marine counterparts, terrestrial biomes have long been known to the
world (grasslands, coniferous forests, and tropical rainforests). Terrestrial biome mapping has
been used frequently as a conservation tool. However, a global map of marine biomes
(seagrass, kelp, zooxanthelate corals, and mangroves) is still lacking. Therefore this thesis
aims to develop a complete global marine biome map with 30 arcsec (1 km x 1 km at the
equator) resolution, and analyse its potential applications as a conservation tool.
This study first modelled the global distribution of the seagrass biome and the kelp
biome. The primary occurrence records and environmental variables were modelled using
MaxEnt software, Version 3.3.1. The global extents of seagrass and kelp biomes were 1.6 x
106 km2 and 1.5 x 106 km2 respectively. These modelled biome layers and the existing
mangrove and coral biome layers were overlaid to make a complete marine biome map using
Arc GIS software.
Because of marine biomes’ ecological and biological significance and increasing
depletion due to anthropogonic activities, the conservation intiatives called for assessing the
conservation status of biome species. Nearly 80% out of the 824 biome-forming species
studied here had their conservation status assigned by the IUCN Red List, with the rest yet to
be evaluated. Approximately 22% of species had been categorised as threatened, whereas
almost none of the kelp species had yet been evaluated for their IUCN conservation status.
Australia had the largest distribution of the seagrass, kelp and zooxanthellate coral
biomes, while Indonesia had the largest mangrove distribution. A weighted sum analysis was
carried out to identify the overlapping biome areas within a cell grid of 1 km x 1 km. Australia
had the largest distribution of areas with a single biome and two biomes whereas Indonesia
had the largest three-biome-inhabited area. The largest areas covered by multiple overlapping
biomes were found in East and Southeast Asia, and Oceania regions. Only 1% of marine
biomes were conserved in marine reserves globally. Delineating new reserves and expanding
the exsisting reserves, especially in the countries and regions with multiple overlapping
biomes will conserve marine habitat diversity, thereby conserving marine biodiversity.
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Acknowledgement
Undertaking this PhD has been a truly life-changing challenge for me, and I would like to take
this opportunity to express my sincere gratitude to everybody to who I am indebted for their
generosity and support throughout my PhD.
I would firstly like to thank my PhD supervisors: Professor Mark J. Costello and
Associate Professor Luitgard Schwendenmann for the understanding, guidance, and advice
they provided during my PhD.
To Mark Costello, I would like to express my heartfelt gratitude to you for the continuous
support of my PhD study and related research. This journey started with an email asking for a
PhD opportunity from you. Since then, you have believed in me and given me endless support
to succeed in achieving this PhD. I must thank you for your patience, motivation, and
immense knowledge. Your guidance helped me throughout all the time I spent in the research
and writing of this thesis. I could not have imagined a better supervisor and mentor for my
PhD study.
To Luitgard Schwendenmann, thank you for your enthusiasm, inspiration, and the ideas that
have helped to shape this thesis. This research benefitted significantly from your profound
knowledge, experience, and understanding of the distribution of mangrove biome and the
global blue carbon budget.
I gratefully acknowledge the funding received towards my PhD from the UN
Environmental Programme – World Conservation Monitoring Centre (UNEP – WCMC)
Marine conservation project 8198.00.R Healthy Ocean Phase 2 for their financial support and
the opportunity to learn about marine conservation programs. I would like to thank Dr.
Corinne S. Martin, former Head of Programme (ad interim) – Marine, Dr Naomi Kingston
Head of Programme - Marine, Juliette Martin, Dr. Osgur McDermott Long, and Dr Chris
Mcowen for their support during my visit to UNEP – WCMC. Special thanks go to Dr.
Corinne S. Martin, Dr. Osgur McDermott Long, and Juliette Martin for their help during the
uploading of the global distribution of seagrass biome polygon layer to the Ocean Data
Viewer online database. Furthermore, I would like to extend my gratitude to Dr. Brian
MacSharry for sharing his immense knowledge on the Protected Planet (WDPA) online tool. I
thank all of you at the UNEP – WCMC for giving me the opportunity to learn about the
current ongoing projects as well as the advanced technologies used in marine conservation and
monitoring Marine Protected Areas (MPAs).
I would like to extend my appreciation to Adrianne Holland from the University of
British Columbia, Canada, for helping me to clean kelp occurrence records downloaded from
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the Global Biodiversity Information Facility (GBIF) and the Ocean Biogeographic
Information System (OBIS).
I am indebted to all my senior PhD colleagues, including Dr. Qianshuo Zhao, Dr.
Chhaya Chaudhary, Dr. Irawan Asaad, Dr. Hanieh Saeedi, Dr Zeenatul Basher, Dr Iresha
Rathnayake, and Dr. Sampath Fernando for their advice and for sharing their research
knowledge and skills with me. A very special thank you to Dr. Irawan Asaad for helping me
to use Arc GIS software and the Arc GIS online tool during image processing and biome
mapping. I must thank him for his invaluable advice and feedback on my research and for
always being so supportive of my work. Dr. Iresha Rathnayake and Dr Sampath Fernando
helped me to understand the theory behind the MaxEnt modeling and probability analysis. I
must thank Chhaya Chaudary and Qianshuo Zhao for always being there and taking care of
me, especially during my pregnancy. I thank my current fellow lab mates and friends for being
supportive throughout. My special thanks to Han Yang, Tri, Joko, Danny, Thomas, Lena and
Tamlin for all the discussions, encouragement, and help they gave me to improve my writing.
I am also thankful to Amanda Kennedy for proofreading my thesis. Amanda, thank
you for all your hard work and motivation in picking up my writing errors and your valuable
advice. It has been really helpful.
My special thanks to Katherine Costello for all the love, support and advice you have
given to me. I am also very grateful to Rakhshan Roohi who helped me in numerous ways
during my PhD.
Many wonderful people have supported me throughout these four years. Special
thanks to Sepalika Siriwardhana, Jana Ravichandran, Gayani Thennakoon, Helene
Illangarathna Vipula Dissanayake and Anuradha Kulathilake, and all my other Sri Lankan
friends in Auckland whom I cannot mention one by one. Your help and support will never be
forgotten.
I would like to thank my family back home in Sri Lanka. I would like to express my
love and respect to them for always believing in me and encouraging me to follow my dreams.
My appreciation goes to my sister for helping in whatever way she could during this
challenging period.
Finally, I would like to thank my husband Rohana, without whose endless patience,
emotional support, love, and understanding I would not have had the courage to do a PhD. A
big thank you to my Senali for being such a good little baby over the past twelve months,
making it possible for me to accomplish what I started. You are the best reason there could
possibly be for not giving up on completing my PhD.
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TABLE OF CONTENTS
ABSTRACT ................................................................................................................................ I
ACKNOWLEDGEMENT .......................................................................................................... II
TABLE OF CONTENTS ...........................................................................................................V
LIST OF FIGURES ................................................................................................................. VII
LIST OF TABLES .................................................................................................................VIII
LIST OF APPENDICES ............................................................................................................X
1 THESIS OVERVIEW .................................................................................................... 1
1.1 General Introduction.............................................................................................................. 1
1.2 Terrestrial biome maps.......................................................................................................... 1
1.2.1 Terrestrial biome map as a conservation tool ....................................................... 2
1.3 Marine maps ........................................................................................................................... 3
1.3.1 Seagrass biome ..................................................................................................... 4
1.3.2 Kelp biome ........................................................................................................... 5
1.3.3 Mangrove biome ................................................................................................... 6
1.3.4 Zooxanthellate coral biome .................................................................................. 8 1.4 Ecologically and biologically significance features, threats and conservation of
biomes. .................................................................................................................................... 8
1.5 Important knowledge gap ................................................................................................... 11
1.6 Thesis objectives and structure .......................................................................................... 14
2 A MODELLED GLOBAL DISTRIBUTION OF THE SEAGRASS BIOME ............ 17
2.1 Introduction .......................................................................................................................... 17
2.2 Methods ................................................................................................................................. 18
2.2.1 Species occurrence data ...................................................................................... 18
2.2.2 Environmental data ............................................................................................. 19
2.2.3 Modelling ........................................................................................................... 22
2.3 Results ................................................................................................................................... 23
2.3.1 Distribution ......................................................................................................... 23 2.3.2 Latitudinal distribution ....................................................................................... 24
2.3.3 Environmental variables ..................................................................................... 24
2.4 Discussion ............................................................................................................................. 25
3 A MODELLED GLOBAL DISTRIBUTION OF THE KELP BIOME ...................... 29
3.1 Introduction .......................................................................................................................... 29
3.2 Methods ................................................................................................................................. 30
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3.2.1 Species occurrence data ...................................................................................... 30
3.2.2 Environmental data ............................................................................................. 31 3.2.3 Modelling ........................................................................................................... 33
3.2.4 Model evaluation ................................................................................................ 33
3.3 Results .................................................................................................................................... 35
3.4 Discussion ............................................................................................................................. 39
4 DELINEATION OF PRIORITY AREAS OF STRICT MARINE RESERVES TO
CONSERVE MARINE BIOMES ................................................................................ 45
4.1 Introduction ........................................................................................................................... 45
4.2 Methods ................................................................................................................................. 48
4.2.1 Data ..................................................................................................................... 48 4.2.2 Current extinction risk of biome forming species .............................................. 50
4.2.3 Mapping .............................................................................................................. 50
4.2.4 The area of overlapping biomes ......................................................................... 51
4.3 Results .................................................................................................................................... 51
4.3.1 Species conservation status assessment .............................................................. 51
4.3.2 Area of biome distribution .................................................................................. 52
4.3.2.1 EEZ ..................................................................................................... 52
4.3.2.2 IUCN regions ...................................................................................... 53 4.3.3 Area of multiple biomes occur with 30 arcsec cell grid ..................................... 54
4.3.3.1 EEZ ..................................................................................................... 54
4.3.3.2 IUCN regions ...................................................................................... 54
4.3.4 Area of multiple biomes within marine reserves ................................................ 56
4.4 Discussion ............................................................................................................................. 67
5 GENERAL DISCUSSION ........................................................................................... 81
5.1 Introduction ........................................................................................................................... 81
5.2 Applications .......................................................................................................................... 82
5.2.1 Delineating new strict marine reserve areas to conserve marine biomes. .......... 82
5.2.2 Predicting the future of the world’s marine biomes in response to the rising temperature. .................................................................................................................. 83 5.2.3 Using new area values to recalculate blue carbon budget .................................. 84
5.2.4 Species’ environmental niche ............................................................................. 87
5.3 Conclusion ............................................................................................................................. 88
6 APPENDICES .............................................................................................................. 91
7 BIBLIOGRAPHY ...................................................................................................... 224
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List of figures
Figure 1.1. The structure and organization of this thesis. ........................................................ 16
Figure 2.1. The MaxEnt model predicted environmental range for seagrasses. ..................... 27
Figure 2.2. The area mapped for seagrasses in 5o latitudinal bands by UNEP-WCMC and
Short (2016) (hollow bars) and in the present study (solid bars). ......................... 28
Figure 3.1. The distribution of laminarian kelp observations used in this study.. ................... 42
Figure 3.2. The predicted environmental range for kelp species of the order Laminariales.. . 43
Figure 3.3. Response of kelp to depth, distance from land, wave height, average sea surface
temperature, maximum sea surface temperature, and salinity .............................. 44
Figure 4.1. The number of marine biome species and their conservation status as identified by
the IUCN Red List. ............................................................................................... 53
Figure 4.2. The regional distribution of marine biomes. ......................................................... 55
Figure 4.3. The overlap of biome areas in the IUCN regions. ................................................ 56
Figure 4.4. The global distribution of the seagrass biome. ...................................................... 58
Figure 4.5. The global distribution of the kelp biome. ............................................................ 59
Figure 4.6. The global distribution of the zooxanthellate coral biome. ................................... 60
Figure 4.7. The global distribution of the mangrove biome. ................................................... 61
Figure 4.8. The areas where one marine biome occurs. .......................................................... 62
Figure 4.9. The areas where two marine biomes occur. .......................................................... 63
Figure 4.10. The areas where three marine biomes occur. ...................................................... 64
Figure 4.11. The existing reserves (black) and top priority areas for the future declaration of
reserves (three biome occupied areas) (red). ........................................................ 65
Figure 4.12. Present biome protection within reserves.This map is available on the Arc GIS
online service via link https://arcg.is/1HCfK ........................................................ 66
Figure 5.1. The present primary occurrence records of each marine biome (grey dots) shown
against the maximum, mean, and minimum projected sea surface temperature for
2100 in 5-degree latitudinal bands. ....................................................................... 85
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List of tables
Table 1.1. Examples of literature on the eological and biological significance of marine
biomes. ...................................................................................................................... 9
Table 1.2. Examples of studies on the socio-economic uses of marine biomes. ..................... 10
Table 1.3. The expert-derived maps of marine biomes available on the UNEP-WCMC
database (http://data.unep-wcmc.org/). .................................................................. 12
Table 2.1. The seagrass species studied during this research. ................................................. 20
Table 2.2. A summary of occurrence records which were extracted from each database. ...... 21
Table 2.3. List of environmental variables used in this study from GMED (Basher et al.
2014b).. ................................................................................................................... 23
Table 2.4. The estimation of relative contributions of the environmental variables to the
Maxent model. ........................................................................................................ 26
Table 3.1. List of kelp species used in this study to model the global distribution of the kelp
biome.. .................................................................................................................... 32
Table 3.2. The environmental variables used in the Maxent models to predict the geographic
distribution of kelp species of the order Laminariales. ......................................... 36
Table 3.3. Estimates of relative contributions of the environmental variables to the MaxEnt
model of the laminarian kelp species. .................................................................... 37
Table 3.4. Estimates of relative contributions of the environmental variables to the MaxEnt
model of the laminarian kelp genera. ..................................................................... 38
Table 3.5. Estimates of the relative contributions of the environmental variables to the
MaxEnt model of the laminarian kelp families. .................................................... 39
Table 4.1. Summary of data sources used in this study. .......................................................... 49
Table 4.2. The conservation status of the marine biome species based on the IUCN Red List.
................................................................................................................................ 69
Table 4.3. The distribution of seagrass, kelp, mangroves, zooxanthellate coral biomes, the
area of overlapping biomes for each EEZ, percentage of biomes covered with strict
marine reserves. ..................................................................................................... 70
Table 4.4. The summary of the top four EEZ and IUCN region with most area of biome
distribution. The area values are given in x 102 km2. ............................................. 78
Table 4.5. The regional distribution of biomes covered in marine reserves (IUCN category
Ia).Area values are given in 102 x km2.. ................................................................. 80
Table 5.1. Summary of the marine biome distribution. ........................................................... 83
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Table 5.2. The present and the projected future distribution of marine biomes with the
expanding and declining locations. ........................................................................ 86
x
List of Appendices Appendix S.2. 1. The comparison between the GBIF and OBIS seagrass occurrence
records. ................................................................................................. 91
Appendix S.2. 2. The global distribution of seagrass based on existing points and
polygon records. ................................................................................... 93
Appendix S.2. 3. The regional level comparison of the distribution of seagrass. ............ 95
Appendix S.2. 4. The MaxEnt model maps (in red) for individual (a) species, (b) genera
and (c) families of seagrass.. ................................................................ 98
Appendix S.2. 5. The comparison between the sum of the MaxEnt model maps for
individual species, genera and families. ............................................. 125
Appendix S.2. 6. MaxEnt model results: Jack-knife of regularized training gain the
resulting MaxEnt model. .................................................................... 126
Appendix S.2. 7. Response curves of each abiotic variable used in the model.. ........... 127
Appendix S.2. 8. Area calculation for UNEP-WCMC (2014, 2016) and the MaxEnt
derived biome for latitudinal band. .................................................... 128
Appendix S.2. 9. Citations of datasets used in this study as provided in the GBIF
metadata. ............................................................................................. 129
Appendix S.3. 1. The distribution of kelp occurrence records from the (a) OBIS and (b)
GBIF (lower) databases. ..................................................................... 147
Appendix S.3.2. The receiver operating curve for both training (red) and test data (blue)
to evaluate model’s predicting power.. ............................................... 148
Appendix S.3. 3. The results of the jackknife tests of variable importance.. ................. 149
Appendix S.3. 4. The list of citations for the data downloaded from the GBIF database.
............................................................................................................ 150
Appendix S.3. 5. The list of citations for the datasets containing laminarian kelp in OBIS
on 2017-10-24 as provided in the datasets metadata. ......................... 159
Appendix S.3. 6. The species (a), genus (b) and family (c) level maps of the Oder
Laminariales.. ..................................................................................... 164
Appendix S.4. 1. List of species’ conservation status in the zooxanthellate coral biome
based on the IUCN Red List. .............................................................. 189
Appendix S.4. 2. List of species’ conservation status in the kelp biome based on the
IUCN Red List. ................................................................................... 197
xi
Appendix S.4. 3. List of species’ conservation status in the mangrove biome based on the
IUCN Red List. ................................................................................... 198
Appendix S.4. 4. List of species’ conservation status in the mangrove biome based on the
IUCN Red List. ................................................................................... 199
Appendix S.5. 1. Projected change of the global distribution of (a) seagrass, (b) kelp, (c)
zooxanthellate coral, and (d) mangrove biomes by 2100.. ................. 200
Appendix S.5. 2. Seagrass species environmental niche. .............................................. 204
Chapter One
1
1 Thesis Overview
1.1 General Introduction Biomes are geographic regions dominated by the same plant growth form (Woodward et al.
2004). Typical terrestrial biomes are grasslands, coniferous forests, and tropical rainforests.
Mangroves and salt marshes form biomes along the coast and seagrasses, kelps (laminarian
kelps and other canopy-forming brown algae), and zooxanthellate corals form biomes in
shallow water. This vertical and horizontal distribution of marine biomes depends on
environmental factors such as temperature, salinity, wave action, seabed substrata, and the
amount of light that penetrates through the water (Mann 1973; Short et al. 2001). The three-
dimensional structure of marine biomes provides feeding, breeding, and nesting habitats, and
helps protect the coast from storms, floods, and sea-level rise (Hemminga and Duarte 2000;
Duarte 2002; Duke et al. 2007; Teagle et al. 2017). Marine biomes contribute significantly to
global “blue” (marine) carbon sequestration (the carbon stored vegetation such as mangrove,
seagrass, and saltmarsh) (Nellemann et al. 2009). Coastal human communities have exploited
marine biomes for food, fertiliser, medication, firewood, fabric, and housing materials, but
consequently these have been depleted (Duarte 2002; Short et al. 2011; Burke et al. 2011;
Bridge et al. 2013; Richards and Friess 2016; Krumhansl et al. 2016; Wear 2016). Current
rates of marine biome change may affect blue carbon sequestration, fisheries productivity, and
habitat loss. Increasing temperatures due to global warming may also change biome
distributions (Hyndes et al. 2016; Assis et al. 2016; Wernberg et al. 2013, Filbee-Dexter et al.
2016; Saintilan et al. 2014). Because the primary measure of biome change is the area it
occupies, it is essential to map their distribution in order to judge their significance in terms of
providing ecological habitat and trends in associated biodiversity.
1.2 Terrestrial biome maps From the late 18th century, classification systems for terrestrial mapping began to be
developed to demarcate boundaries for different biomes (Woodward 2003). These maps were
derived using factors such as the associations between vegetation and animal communities
(Clements and Shelford 1939), predominant vegetation and their adaptations to a particular
environment (Campbell 1996), physiognomy and climate (climate envelopes) (Holdridge
1967), and vegetation recognised by satellites images (Woodward et al. 2004). In present
times, museums, herbaria, and several organizations and funding bodies such as the World
Chapter One
2
Resources Institute, and the World Wildlife Fund are using the map created by Olson et al.
(2001)’s map to identify the distribution of terrestrial biomes. It was developed using existing
expert-derived maps and the knowledge and assistance of over a thousand regional
taxonomists, conservation biologists and ecologists from around the world. Where existing
maps were unavailable, they used landform and dominant vegetation to demarcate boundaries.
This map was gridded to a five arc-minute resolution and is in a polygon vector format
projected in geographic coordinate system WGS 1984. Having one unique classification
system for biomes facilitates much collaborative research on a global scale (Hassan et al.
2005)
1.2.1 Terrestrial biome map as a conservation tool
Terrestrial biome maps have been used for the delineation of terrestrial protected areas,
estimation of net primary production, and assessment of the rate of land transformation
(Nemani et al. 2003; Hoekstra et al. 2005; Jenkins and Joppa 2009; Juffe-Bignoli et al. 2014;
Li et al. 2017). Land cover heterogeneity within a biome can be created by many
anthropogenic activities, such as clearing land for agriculture, building settlements, and
cutting trees for timber (Schulze et al. 2018). In response to the increasing human impact on
the natural environment, many governments started to declare protected areas to conserve the
environment. The protected areas conserve floral and faunal communities (Dinerstein et al.
2017). The total area of all 14 terrestrial biomes shows a moderate decrease (Jenkins and
Joppa 2009). However, the area under protection is not proportionate to the total area of
biomes (Hassan et al. 2005). The flooded grasslands and savannas (31%), mangroves (28%),
and montane grasslands and shrublands (27%) had more than 25% of their area protected. In
contrast, tropical and subtropical dry broadleaf forests (10%) and temperate grasslands,
savannas and shrublands (5%) had less than 10% of their area protected (Juffe-Bignoli et al.
2014).
Nearly half of all terrestrial species are found in tropical biomes (Olson and Dinerstein
2002). Furthermore, tropical biomes hold the highest number of endemic species, and the
highest number of families (Hassan et al. 2005). For this reason, tropical forests receive more
conservation attention than other 13 biomes.
Chapter One
3
1.3 Marine maps
Existing marine ecological maps have subdivided the marine environment using
different variables such as environmental attributes, phytoplankton communities, and other
biotic communities; fish, shellfish, molluscs, echinoderms and corals. The existing marine
ecological maps are as follows: Large Marine Ecosystems (LMEs) (1988) (Sherman 1988),
Ecological Biomes (Longhurst 1995; 2007), Ecoregions of ocean (Bailey 1998), Coastal
marine ecoregions of the world (MEOW) (Spalding et al. 2007), Global Open Oceans and
Deep Sea-habitats (GOODS) Bioregional classification (UNESCO 2009), Ecological Coastal
Units (ECU) (Sayre et al. 2019), Ecological Marine Units (EMU) (Sayre et al. 2015; 2017;
2017b), Marine Biogeographic Realms (Costello et al. 2017), Mesopelagic BioGeoChemical
Provinces (Reygondeau et al. 2013; 2018), and near surface global marine ecosystems (Zhao
et al. 2019). A few studies have mentioned the term “marine biomes,” but applied it
differently in each study. For example, Longhurst (1995; 2007) defined biome as “the largest
community unit that it is convenient to recognise. In a given biome the life form of the
climatic climax of the vegetation is uniform ”. Spalding et al. (2012) defined it a “groupings
of provinces with common oceanographic processes.” According to Hayden et al. (1984), a
biome is “an ecological formation in bio-physiognomic terms and having a particular 'stamp'
which on land is usually vegetational.” However, none of those above mentioned studies
defined marine plant life forms other than phytoplankton. Yet marine plant analogues to
terrestrial biomes exist and have been well studied. Phytoplankton communities do not
provide the 3D habitat for other species and they are spatially and temporally not permanent,
thus they do not strictly qualify as a biome. Phytoplankton communities can have high growth
rates and species turnover, show rapid responses to environmental conditions and are more
geographically widespread than benthic taxa (Costello and Chaudhary 2017; Alvain et al.
2008). In contrast, benthic marine plants are long-lived and provide ecologically important
three-dimensional habitats for a wide variety of faunal communities. The strict marine biomes
thus comprise of seagrasses, kelp forests, and zooxanthellate corals. Mangroves and
saltmarshes are rooted in the marine but grow in terrestrial environments. However,
mangroves and saltmarshes provide feeding, breeding, and nesting habitats for marine and
coastal fauna, and are also important in blue carbon sequestration. Saltmarsh species are
basically terrestrial species and are not restricted only to the coastal or marine environments.
Therefore, in this thesis seagrasses, kelps, mangroves and zooxanthellate corals will be used in
analysis. The following paragraphs will describe morphological and biological characteristics,
basic taxonomy, ecological importance, and the threats to each of the marine biomes.
Chapter One
4
1.3.1 Seagrass biome Seagrasses are marine submerged angiosperm monocots which form complex, widely spread
patches known as "meadows" along the shallow water coastlines in tropical, sub-tropical and
temperate regions (Green and Short 2003). These angiosperm monocots have a well-
developed root system to anchor to the seabed. Not only roots but rhizomes also anchor
seagrasses to the seabed and form underground biomass (Short et al. 2007). They have well-
built mechanisms to survive in saline conditions in estuaries, lagoons, and open seawater on
the continental shelf and nowhere else. Seagrasses live their life in a submerged environment
and have specialised pollens for underwater pollination (Green and Short 2003; den Hartog
and Kuo 2006; Short et al. 2007).
Phylogenetically, the seagrass biome is a functional group of four not necessarily
closely related aquatic monocot families, namely the Zosteraceae, Cymodoceaceae,
Posidoniaceae, and Hydrocharitaceae. They have 11 genera and 60 to 70 species (Green and
Short 2003; den Hartog and Kuo 2006; Horton et al. 2018). The family Zosteraceae has two
genera; Phyllospadix and Zostera. The family Cymodoceaceae has five genera, Amphibolis,
Cymodocea, Halodule, Syringodium, and Thalassodendron and the family Hydrocharitaceae
has three genera; Enhalus, Halophila, and Thalassia and family Posidoniaceae has one genus,
genus Posidonia. All species in the families Zosteraceae, Cymodoceaceae, and Posidoniaceae
are true seagrasses. The family Hydrocharitaceae has only 3 out of 17 genera that are
exclusively marine (den Hartog and Kuo 2006).
A few monocot species in the family Ruppiaceae and the family Zannichelliaceae,
which are primarily freshwater taxa, can live in brackish and marine conditions. They may
occur in seagrass meadows among true seagrasses. Thus, the seagrass biome does not
exclusively consist of certain plant families. Ruppia tuberosa from the family Ruppiaceae and
Lepilaena marina from the family Zannichelliaceae are exclusively marine whereas Ruppia
maritima forms meadows in both marine and freshwaters (den Hartog and Kuo 2006).
Molecular studies revealed how seagrass evolved from marine algae to terrestrial plants and
transitioned back to sea and clarified uncertainties of taxonomic relationships of seagrass
species (Les et al. 1997). The genome of Zostera marina has been fully sequenced to identify
the genomic losses and gains involved in adapting to the marine environment (Olsen et al.
2016).
Physical variables that control the distribution of seagrasses include depth, wave
height, water clarity (a measure of light attenuation), temperature, salinity and
photosynthetically active radiation, chemical parameters such as pH, and nutrients such as
Chapter One
5
phosphate, nitrate, and dissolved oxygen concentration, control the distribution of seagrasses
(Short et al. 2001). Depth is a proxy for light penetration through the water column and
controls the vertical distribution of seagrasses (Duarte 1991; Short et al. 2001; Duarte et al.
2007). The lower depth limit of seagrass distribution is known as the compensation depth
(Gallegos and Kenworthy 1996; Hemminga and Duarte 2000). At this level of depth, is the
depth at which photosynthesis meets losses (e.g. respiration, grazing and reproductive losses).
The distribution of seagrasses may vary from 1 m to 90 m (Duarte 1991). The amount of light
required for photosynthesis differs from seagrass species to species. The minimum light
requirement for seagrass photosynthesis is identified as 10-20% of sea surface light (Duarte
1991). Many studies have been focused on only one or a few species and how a few abiotic
factors contribute to the distribution of seagrasses. A full study on how comprehensive the
response is of all seagrass species to all possible abiotic variables is yet to be done.
1.3.2 Kelp biome In this study, I focus on the distribution of laminarian kelp species from the order
Laminariales (brown algae). They attach to rocky seabeds in the lower intertidal and shallow
subtidal zones in temperate and subpolar regions (Steneck et al. 2002; Santelices 2007;
Graham et al. 2007; Krumhansl et al. 2016; Teagle et al. 2017; Smale and Moore 2017;
Wernberg and Filbee-Dexter 2019). Similar to terrestrial biomes and other marine biomes
(seagrass, mangrove, and zooxanthellate corals), the kelp biome has a three-dimensional (3D)
structure with macroalgae attached to the rocky seafloor with a holdfast (Smith 2000). These
macroalgal underwater primary producers exhibit high diversity in growth forms, with some
of them growing above 30 m in length (Wernberg et al. 2019).
As kelp species are brown algae, the plant is known as a thallus and in plural thalli.
The thallus has a holdfast, stipe and blades or frond (Dayton 1985). Similar to the angiosperm
roots, the holdfast attaches the thallus to the rocky substratum. The stipe is analogous to the
stem of plants and fronds function as leaves. The arrangement of stipe and fronds are the
primary morphological characters to identify different species of kelp (Druehl et al. 1997).
These algae have the ability to change their morphology according to environmental
conditions, such as high wave action and turbulence, and population density (Arenas and
Fernandez 2000; Fowler-Walker et al. 2006).
Through molecular studies, the families and generic relationships in the order
Laminariales have been clarified to some extent (Bolton 2010). Currently, kelp comprises 9
accepted families, 59 genera and 147 species (Guiry and Guiry 2018). Most of the identified
Chapter One
6
species are in the three most common families: Alariaceae, Laminariaceae, and Lessoniaceae.
The most species-rich genera are Alaria, Laminaria, Saccharina, Ecklonia, and Lessonia
(Druehl et al. 1997). The genus Laminaria has 29 species and genus Alaria has 15 species
(Guiry and Guiry 2018). There are two to three times more kelp species present in the
northern hemisphere than in the southern hemisphere (Wernberg et al. 2019). In general, kelp
species are cold-water adapted species. However, there are deep water kelp forests in the
tropics and subtropics in both hemispheres, comprising of Eisenia galapagensis, Laminaria
brasiliensis, and L. abyssalis (Graham et al 2007; Santelices 2007).
The distribution of kelp forests is controlled by many environmental variables such as
substratum, wave action, sea temperature, light penetration through the water, and nutrients
(Mann 1973). Kelp typically anchors its holdfast to rocks, boulders or cobbles (Wernberg et
al. 2019). The lowest maximum temperature kelp occurs in is 5 oC in the Arctic. In the tropics,
although the sea surface temperature is 23 oC to 24 oC, they live at depths where the
temperature is 20 °C (Žuljević et al 2016; Wernberg et al. 2019). High sea surface temperature
can cause physiological stress to kelp (Gerard 1997), and consequently can cause range
contractions and reduction of kelp cover (Voerman et al. 2013; Wernberg et al. 2016; Smale
and Moor 2017). Like all marine plants, kelps restrict their distribution to the photic zone.
Their depth distribution is limited by light (Wernberg et al. 2019). Some deep water kelps
such as Eisenia galapagensis, Laminaria abyssalis, L. brasiliensis, L. rodriguezii, L.
philippinensis and Ecklonia radiata can grow down to average depths of 100 m in the Indian
Ocean, New Zealand, East and West coasts of Australia and in the Mediterranean Sea where
the water column is clear enough for light penetration (Graham et al. 2007; Marzinelli et al.
2015; Žuljević et al. 2016; Nelson et al. 2018). Kelp grows well in turbulent water. Wave
action or water currents are important to supply nutrients, disperse propagules, and remove
mucus and fouling organisms from the frond (Hurd et al. 2000; Gaylord et al. 2002).
1.3.3 Mangrove biome Mangroves are halophytic plants that grow along the sea-land margin in the tropical and
subtropical coastal areas (Kathiresan and Bingham 2001; Spalding et al. 2010). This
vegetation covers less than 0.4 % of the world’s forests (Spalding et al. 2010). Mangroves are
trees, shrubs, palms (Nypa fruticans) or ferns (Acrostichum sp.) adapted to withstand high
salinity, strong waves, muddy and anaerobic soil, and high temperature (Kathiresan and
Bingham 2001; Spalding et al. 2010).
Chapter One
7
The true mangroves exhibit many morphological and physiological adaptations to
survive in high salinity. They actively deposit excess salt into their internal lignified tissues
and excrete it through the leaves and aerial roots. However, some species such as Bruguiera
sexangula, Nypa fruticans, and Sonneratia caseolaris prefer lower salinity (Spalding et al.
2010). To withstand the oxygen-less anaerobic environment these mangrove species have stilt
(aerial) roots, pneumatophores, and knee roots (Kathiresan and Bingham 2001). Another
prominent feature of the true mangrove species is producing viviparous propagules. These
viviparous propagules are growing plantlets similar to the seeds or fruits of other plants
(Spalding et al. 2010). Some viviparous species such as Aegiceras corniculatum show high
salt tolerance during the germination (Wijayasinghe et al. 2019).
Families Rhizophoraceae, Avicenniaceae, and Sonneratiaceae consist of the majority
of mangrove species. Avicennia and Rhizophora are the most common genera among nearly
70 species of true mangroves (Spalding et al. 2010). Avicennia marina is the most widespread
species which extends from South Africa to the Red Sea, and towards the eastern Pacific
Islands and New Zealand (Spalding et al. 2010). Mangrove species distribution is controlled
by their coastal range, intertidal preference, and their location within an estuary (Duke et al.
1992). Some mangrove species are restricted at the regional level. Aegiceras floridum,
Avicennia rumphiana, Camptostemon philippinense, Heritiera globosa, and Sonneratia ovate
are unique to Southeast Asia, and Aegialitis annulata, Avicennia integra, Bruguiera
exaristata, Camptostemon schultzii, and Ceriops australis are all restricted to north and west
of Australia and New Guinea (Spalding et al. 2010).
On the global scale, mangrove biome distribution was documented as it is confined to
the 20 oC isotherm for winter sea surface temperature, with exceptions in New Zealand,
Australia, and Brazil, where winter sea surface temperature is lower as 15 oC (Ellison 1994;
Duke et al. 1992; Quisthoudt et al. 2012). Mangroves grow in the average atmospheric
temperature of 24 oC (Kathiresan and Bingham 2001). At the regional level, their distribution
is controlled by the sea surface temperature, air temperature, and precipitation (Osland et al.
2017). The total global area of mangroves was estimated to be 1,368 x 102 km2 (Giri et al.
2011). Southeast Asia has the highest mangrove distribution (51,049 km) followed by South
America, North and Central America, and West and Central Africa (Spalding et al. 2010).
Most of the broader mangrove forests are confined to the deltoid coasts (e.g., Sundarbans in
India and Bangladesh covers 6,516 km2 and extends up to 85 km on the land (Spalding et al.
2010).
Chapter One
8
1.3.4 Zooxanthellate coral biome Coral reefs are the largest marine biological structures created by living organisms (Karako et
al. 2002). The photosymbiotic relationship between zooxanthellae unicellular microalgae and
corals has been contributing to reef coral formation since their evolution in the Triassic period
(Karako et al. 2002). The coral host relies on zooxanthellae for photosynthetic products and
zooxanthellae depends on the coral for accommodation. Zooxanthellate reef-building corals
are distributed in the shallow tropical and sub-tropical oceans (Spalding et al. 2001). Based on
the topographic features and the formation of the reef, they are classified as fringe reefs,
barrier reefs, and atolls (Veron 2000; Spalding et al. 2001; Veron et al. 2019).
Almost all the zooxanthellate corals show morphological variation, even among the
corallites within the same colony (e.g., Acropora) (Veron 1995; 2000; Veron et al. 2019). In
some cases, the same species from two different locations such as a reef flat and a shallow
slope can have two different morphological features (Veron 1995). Coral taxonomists have
identified nearly 800 zooxanthellate coral species around the world (Veron 2000; Veron 2002;
Cairns et al. 1999; Veron 2013; Veron et al. 2015). The coral diversity is far higher in the
Indo- Pacific than in the Atlantic (Spalding et al. 2001). The Coral Triangle has the highest
number of zooxanthellate corals. It covers 6 x 106 km2 area of the ocean including Indonesia,
the Philippines, Brunei Darussalam, Malaysia, East Timor, Papua New Guinea and the
Solomon Islands (Veron et al. 2019). Raja Ampat, Papua, Celebes Sea, the Banda Sea and
Moluccas, Halmahera, and the south-west coast of Papua all have high species richness, from
400 – 475 scleractinia stony coral species found (DeVantier and Turak, 2017).
1.4 Ecologically and biologically significance features, threats and
conservation of biomes. The marine biomes have very impaortant ecological and biological significances (Table 1.1).
These biomes have endemic and rare species both in biome forming species and associated
faunal communities. For example, the seagrass biome has 19 endemic species, including
Phyllospadix scouleri, Phyllospadix serrulatus, Posidonia oceanica, Posidonia australis and
Amphibolis antarctica (Green and Short 2003). These biomes provide feeding breeding
habitats for the associated fauna (Orth et al. 2006; Lilley and Unsworth 2014; Teagle et al.
2017). Nearly 830,000 (550,000–1,330,000) number of associated species were estimated just
in coral reefs world wide (Fisher et al. 2015).
Chapter One
9
Table 1.1. Examples of literature on the eological and biological significance of marine biomes.
Significance Seagrass Kelp Mangrove Zooxanthellate coral
Have unique, rare or endemic species, populations or communities
Short et al. (2011); Green and Short (2003)
Roleda (2016); Lane and Mayes (2006)
Polidoro et al. (2010); Ellison et al. (2004); Saenger (1998)
Veron et al. 2011
Are essential for associated faunal population to survive and grow
Beck et al. (2001); Orth et al. (2006); Lilley and Unsworth (2014)
Teagle et al. (2017) Walters et al. (2008); Sheaves et al. (2016)
Moberg and Folke (1999)
Contain species, populations or communities with high natural biological productivity
Cullen-Unsworth and Unsworth (2013)
Alongi (2018); Krumhansl and Scheibling (2012)
Komiyama et al. (2008); Alongi (2009)
McWilliam et al. (2018)
Blue carbon storage Fourqurean et al. (2012) Krause-Jensen et al. (2018)
Alongi (2012) Not applicable
Contain high biodiversity
Green and Short (2003) Steneck et al. (2002) Duke (2017) Duffy et al. (2016); Hoeksema (2017)
Foundation species and ecosystem engineers
Bouma et al. (2009) Jones et al. (1994) Osland et al. (2014)
Shoreline protection Christianen et al. (2013) Pinsky et al. (2013) Kathiresan and Rajendran 2005; Sandilyan and Kathiresan 2012
Elliff and Silva (2017)
Chapter One
10
These biome-forming species are known as foundation species or ecosystem engineers. These
species can atler and provide favourable environmental conditions to the associated fauna (Jones
et al. 1994; Bouma et al. 2009). In addition to ecological and biological significances marine
biomes have socio-economic importance (Table 1.2). These biomes have long been exploited by
the coastal communities for food, housing materials, medicines, and other commercial products
(Montaño et al. 1999; Cornara et al. 2018; Walters et al. 2008). Commercial fishing, aquaculture
and tourism are a main source of income for many coastal communities (Correa et al. 2014;
Carrasquilla‐Henao and Juanes 2017; Spalding 2017).
Table 1.2. Examples of studies on the socio-economic uses of marine biomes.
Socio-economic uses
Seagrass Kelp Mangrove Zooxanthellate coral
Fisheries (commercial and recreational)
Nordlund et al. (2018); Unsworth et al. (2019)
Bertocci et al. (2015)
Carrasquilla‐Henao and Juanes (2017)
Newton et al. (2007); Birkeland (2017)
Tourism Cullen-Unsworth et al. (2014)
Vásquez et al. (2014)
Spalding and Parrett (2019)
Spalding (2017)
Aquaculture Dumbauld and McCoy (2015)
Correa et al. (2014)
Barbier et al. (2008)
Pomeroy et al. (2006)
Human food Montaño et al. (1999)
Stévant et al. (2018)
Bandaranayake (1998)
Not applicable
Medicine Cornara et al. (2018)
McGuffin and Dentali (2007)
Bandaranayake (1998); Kovacs (1999)
Bruckner (2002); Cooper et al. (2014)
Commercial products
Cornara et al. (2018)
Bixler & Porse (2011); Wargacki et al. (2012)
Bandaranayake (1998); Kovacs (1999)
Someya (1995)
Housing materials
Allègue et al. (2014)
Walters et al. (2008)
Howdyshell (1974)
Chapter One
11
Marine biomes have been lost due to the anthropogenic and climatic impacts. Seagrass
cover has been declining globally at a rate of 0.9% per year before 1940 and 7% per year after
1990 (Waycott et al. 2009). Over the last 125 years, more than 51,000 km2 of seagrass meadows
has lost due to natural and anthropogenic disturbances (Orth et al. 2006; Waycott et al. 2009). At
least 35% of mangroves were destroyed between 1980 and 2000 (Valiela et al. 2001). In some
Asian regions, the disappearance rate is 8% per year (Miththapala 2008). Marine biomes are
vulnerable to natural disasters on both a regional scale (storms, cyclones, floods, hurricanes,
tsunami, earthquakes, disease, grazing by herbivores, oil spill) and on a global scale (in terms of
warming) (Short and Wyllie-Echeverria 1996; Short and Neckles 1999; Marba and Duarte 2010;
Sandilyan and Kathiresan 2012; Wear 2016). Human-induced disturbance, such as dredging,
sedimentation, eutrophication, habitat fragmentation, boat anchoring, and propeller scars
accelerate these biome losses (Montefalcone et al. 2010; Gilman et al. 2008; Wernberg et al.
2019). The deforestation of the kelp biome occurs when sea urchin populations increase after
their predators, such as lobsters, crayfish, fish and otters, are removed by fishing (Smale et al.
2013; Costello 2014). The natural ‘trophic cascade’, and thus kelp cover, is naturally restored in
marine reserves when predator populations recover (Leleu et al. 2012). One of the major causes
of the decline of coral is coral bleaching. With the exponential growth of the human population,
most of the global mangrove areas have been converted into residential areas, agriculture fields,
and shrimp ponds (Upadhyay et al. 2002; Richards and Friess 2016)
In contrast to the present rate of loss, some localities have expanding biomes due to active
restoration. For example, fishermen in Japan created a Marine Protected Area where they banned
dredging and replanted seagrass to help restore fisheries (Tsurita et al. 2017). Similar active
seagrass restoration has been used to help coastal ecosystems recover from eutrophication,
pollution, and dredging in the Wadden Sea in the Netherland (Van Katwijk et al. 2016). In New
Zealand, mangrove cover (Avicennia marina var. resinifera) cover has been increasing (Yang et
al. 2013) and Avicennia germinans has extended its distribution along the USA Atlantic coast
(Saintilan et al. 2014). Important knowledge gap.
1.5 Important knowledge gap
The ever-increasing marine biome loss, as noted in the above section, highlights the strong need
to conserve them, and the need for global distribution maps. The following existing maps are
Chapter One
12
available on The United Nations Environment Program (UNEP) -World Conservation Monitoring
Center (WCMC) as collaboration works with expert partners around the world (Table 1.3).
A large number of citations and downloads indicate the high demand for quality maps as a
conservation tool. For example, global maps of coral reefs have more than 5,000 downloads
(UNEP-WCMC et al. 2018) and 1,100 citations (Spalding et al. 2001), map of mangroves more
than 2,200 downloads and 1,500 citations (Giri et al. 2011), and map of seagrass over 2,500
downloads and 1,100 citations (Green and Short 2003). The existing maps for the global
distribution of mangroves and zooxanthellate corals are well developed, as these maps were
developed using satellite remote sensing data.
The main limitation of the existing seagrass map is that it has an incomplete polygon
layer. Combining both point and polygon layers, the existing map covers the entirety of the
seagrass biome. However, when the polygon layer is taken separately, its incompleteness
produces an underestimate of the total area. It is necessary to create a complete polygon layer
using the existing seagrass occurrence records consequently available for area based calculations.
Table 1.3. The expert-derived maps of marine biomes available on the UNEP-WCMC database (http://data.unep-wcmc.org/). Database Description Citation Creation methodology
Global distribution of coral reefs (2018)
Distribution of corals in tropical and subtropical regions.
UNEP-WCMC et al. (2018)
This dataset was developed using multispectral Landsat seven images acquired between 1999 and 2002.
Global distribution of mangroves USGS (2011)
Global distribution of mangrove forests.
Giri et.al. (2011)
This map was created using Global Land Survey (GLS) data and the Landsat archive.
Global distribution of seagrasses.
Global distribution of seagrasses. Collection of two subsets of points and polygon occurrence of data
UNEP-WCMC and Short (2003).
This dataset was developed from multiple sources, expert interpolation, and point based samples.
Chapter One
13
The kelp biome has many ecological and biological significance and socio-economic
values (Tables 1.1 and 1.2). One of the most important conservation measures to minimise the
destruction of kelp biome is to map the extent of these forests. To date, there is no map to
calculate the area of the kelp biome. The maps available in the literature were designed to
represent the range of one or a few species. Mapping kelp at a global scale using manual
cartographic techniques is not practical, as it is costly and time-consuming. However, modelling
the distribution of kelp could fill this research gap.
Anthropogenic and climatic stresses increase the extinction risk of marine species (Short
et al. 2011; Sandilyan and Kathiresan 2012; Gilman et al. 2008; Wernberg et al. 2019). Aichi
Target 12 (UNEP/CBD/COP/10/9) called for the decline of threatened species to be stopped and
their conservation statuses needed to be improved by 2020. It is still not known how many marine
biome forming species had been assessed and their conservation status based on the IUCN Red
List. A summary of the conservation status of marine biome forming species based on the IUCN
Red List will be helpful to improve their conservation status.
The timeline for fulfilling the Aichi Biodiversity Target 11 is coming to an end in 2020.
The Convention on Biological Diversity (CBD)’s Aichi Biodiversity Target 11
(UNEP/CBD/COP/10/9) called for at least 10% of coastal and marine areas, specifically areas of
importance for biodiversity and ecosystem services, to be fully protected, with an increased focus
on comprehensive, ecologically representative, efficiently managed protected areas. It aimed to
protect both habitats and populations of species. Marine biomes have many features of ecological
and biological significance, such as providing feeding and breeding habitats for the associated
faunal communities, their high natural productivity and blue carbon sequestration (Table 1.1). So
far, very little attention has been paid to the conservation of marine biomes within fully protected
areas (marine reserves, IUCN Ia Category). Furthermore, some countries have coastlines covered
with multiple biomes. For example, Indonesea has mangrove, seagrass, and coral in a continuum
within very closer proximities to one another (Unsworth et al. 2009). These neighbouring biomes
enhance the ecological connectivity and niche differentiation among faunal communities as well
as the different stages of complex life cycles (Berkström et al. 2013). A systematic understanding
of how much area of multiple overlapping biomes has been protected within reserves is still
lacking. A quantitative analysis of present conservation status of biomes within reserves will
therefore help to identify the areas that will need more qualitative conservation measures to
maintain their vital ecological role in the coastal zones.
Chapter One
14
Conservation initiatives now recall recommendations of urgent conservation of an
ecologically representative and well-connected marine protected area network (IUCN 2016). The
World Conservation Congress (2016) encouraged the implementation of at least 30% of each
marine habitat in a network of marine reserves (IUCN 2016) by 2030. To date, only a few
countries use the calculated areas of biomes within their Exclusive Economic Zones (EEZ) in
policy making and strategic planning of conservation. Knowing the extent of marine biomes
belonging to each country will be helpful to improve marine conservation as well as delineate
new marine reserves. Further, the resulting awareness of the regional level distribution would also
be useful to conservation initiatives in expanding their conservation projects.
1.6 Thesis objectives and structure
Based on the terrestrial biome definition “the larger areas with same plant life form”, the aim of
this research is to map marine biomes with a sufficient geospatial resolution and be readily
available for analysis in the Geographycal Information System (GIS) and thereby identify the
potential locations to expand Marine Reserve network. This thesis has three objectives, and
chapters are structured to respond to the research objectives (Fig.1.1).
• Objective 1: A modelled global distribution of the seagrass biome.
To achieve this, areas with the highest probability of seagrass distribution were mapped
using existing primary occurrence records and environmental variables (Chapter 2).
Chapter 2 has been published in the journal Biological Conservation with the title: A
modelled global distribution of the seagrass biome (DOI:
https://doi.org/10.1016/j.biocon.2018.07.009). I was the lead author of this manuscript and
it was produced in collaboration with my supervisor (Co-authorship form attached)
• Objective 2: A modelled global distribution of the kelp biome.
To accomplish this, areas with the highest probability of the laminarian kelp distribution
were mapped using existing primary occurrence records and environmental variables.
(Chapter 3). Chapter 3 is under review in the journal Biological Conservation with the
title: A modelled global distribution of the kelp biome. I was the lead author of this
Chapter One
15
manuscript and it was produced in collaboration with my supervisor (Co-authorship form
attached).
• Objective 3: Global gap analysis: delineation of priority areas of strict marine reserves to
conserve marine biomes.
To accomplish this: The IUCN conservation status of each biome-forming species was
reviewed, and the areas calculated that were covered by each biome within each Exclusive
Economic Zones (EEZs) and within each IUCN operational regions. This led to
identification of which species were still to have their conservation status assessed, and
which countries could were able to and had protected one or more biomes.
• Section 1.4.1 and 1.4.2 in the Thesis overview chapter have been published as two book
chapters in the Encyclopedia of the world’s biomes. Seagrass biome
https://doi.org/10.1016/B978-0-12-409548-9.11748-8. Kelp biome
https://doi.org/10.1016/B978-0-12-409548-9.11768-3. I was the lead author of these
manuscripts and it was produced in collaboration with my supervisor (Co-authorship form
attached)
The resulting global marine biome map will provide a baseline for several other marine biological
and ecological studies. This will be useful to carry out studies such as re-calculation of the blue
carbon budget with new area values from the seagrass and kelp biomes, predicting the future
distribution of biomes with increasing sea surface temperatures, the influences of environmental
variables on biome species, the latitudinal habitat availability, and marine species richness. This
resulting map will be a planning tool for conducting strategic environmental impact assessments
and making polices for biodiversity-friendly practices.
Chapter One
16
Figure 1.1. The structure and organization of this thesis.
Chapter 1 Seagrass Kelp Zooxanthellate coral
Mangrove
Chapter 2 A modelled seagrass biome
map
Chapter 3 A modelled kelp
biome map
Chapter 4 Identifying the best areas to expand Marine Reserves
Chapter 5 General Discussion
Mapping marine biomes of the world
Chapter Two
17
2 A modelled global distribution of the seagrass biome
2.1 Introduction
The seagrass biome is an assemblage of submerged marine angiosperms belonging to nearly 60
species, 11 genera, and 4 families (Green and Short 2003; den Hartog and Kuo 2006; Horton et al.
2017). Seagrasses form ‘meadows’ in saline conditions in estuaries, lagoons, and in the open sea
throughout tropical and temperate regions, and have high biomass compared to marine plankton
communities (Short et al. 2007). The seagrass biome plays a key role in the ecology of coastal
ecosystems. It provides feeding, breeding, nesting and nursery habitat to many faunal communities
including a number of threatened species such as dugong (Dugong dugon), green sea turtle (Chelonia
mydas), fan mussels (Pinna nobilis), and dwarf seahorse ( Hippocampus zosterae) (Preen and Marsh
1995; Hughes et al. 2009). Consequently seagrass beds are a protected habitat in many countries,
notably under the European Union Habitats Directive (Evans 2006).
Recognising the conservation importance of seagrass, several global maps have been produced.
For example, Green and Short (2003) published the first global map of seagrass distribution, showing
observed (in situ) occurrence. This map has been used to study the probability of extinction of seagrass
species (Short et al. 2011), regional level seagrass habitat mapping (Wabnitz et al. 2008), assessing the
global marine protection targets (Wood et al. 2008), identifying the errors and gaps in spatial data sets
on marine conservation (Visconti et al. 2013), and blue carbon sinks (Nellemann et al. 2009). Whilst
the Green and Short (2003) map documented some locations as a narrative, it did not necessarily
include them in the map because the sources did not provide precise locations. Thus, considerable
uncertainty remains in terms of estimating the global extent (i.e. surface area) of the seagrass biome
globally (Green and Short 2003). Since 2005, UNEP-WCMC has been curating the Green and Short
map, and released a fourth update in 2016 (UNEP-WCMC and Short 2016) that included a significant
update to seagrass knowledge for the Mediterranean (Telesca et al. 2015), other European seas, and the
Philippines. The geographic layer is still global in scope, and composed of polygon (i.e. with surface
area) and point occurrence data. As mentioned in the dataset’s metadata, there are a number of
overlapping polygons in places, meaning that non-expert users can overestimate the total seagrass
surface area. Furthermore, the dataset still suffers from known spatial gaps in knowledge. For instance
the north east Pacific, the coastal area of Scandinavia and the Northern African coast, are known to
Chapter Two
18
have extensive seagrass meadows but only indicated by point records. Directly using point occurrence
data is likely to significantly underestimate the spatial extent of seagrass beds.
Mapping the seagrass biome has been compromised by the absence of georeferenced records in
many regions, and for a range of rare species (Short et al. 2007). Even where geographic records are
available, point samples are unlikely to reflect the full geographic area occupied by a species. In the
absence of in situ mapping of seagrass at a global scale, existing occurrence data can be used in species
distribution models to map the biome in unsurveyed areas, and indeed some regional attempts have
been made (e.g. Scardi et al. 2013). Moreover, species distribution modeling has been widely and
successfully used to predict marine species distributions and the their relationships with environmental
vabiables (Vaz et al. 2008; Martin et al. 2012, 2014; Yesson et al. 2012; Basher et al. 2014a; Saeedi et
al. 2016).
This study models the global distribution of seagrass using point records, and compares model
outputs to existing records and polygons, and literature reports. Consequently, the resulting map is a
complete polygon layer of the potential distribution of seagrass meadows globally. However, it does
not account for factors such as seabed substratum, or pollution and dredging that can reduce seagrass
cover. In preparing the models, I also compared results from mapping species, genera and families to
all species data. This test of methodology will inform how to best run future models when more field
data become available for more species. In addition, I identified which environmental variables best
predicted seagrass distributions. Thus future models can be improved with higher spatial resolution
environmental data. Knowing the global extent of seagrass is important,for seagrass conservation such
as environmental sensitivity mapping, (e.g., oil-spill emergency planning) and monitoring of change in
biome cover and calculating carbon budgets (Duarte et al. 2010; Lavery et al. 2013).
2.2 Methods
2.2.1 Species occurrence data
All true seagrasses have adapted to live in a saline medium, grow fully submerged, and have a root
system for anchoring (Green and Short 2003; den Hartog and Kuo 2006). Three families, Zosteraceae,
Cymodoceaceae, and Posidoniaceae, have exclusively seagrass species, and the Hydrocharitaceae have
three genera (den Hartog and Kuo 2006). Hence, our study focused on the species belonging to these
families (Table 2.1).
Chapter Two
19
Seagrass distribution data were extracted from the Global Biodiversity Information Facility
(GBIF 2016; 2017), Ocean Biogeographic Information System (OBIS 2016; 2017), and UNEP-
WCMC and Short (2016) (Table 2.2). GBIF and OBIS data were cross-referenced to check what
additional records and species were available in each database (Appendix S.2.1). GBIF had a total of
95,525 records in 397 datasets (Appendix S.2.9). Taxonomic names were reconciled with the World
Register of Marine Species (Horton et al. 2017) and the Atlas of Seagrass (Green and Short 2003). Out
of those occurrences, 82,039 were georeferenced records from the years 1792 to 2016. I limited
analysis to time periods when geo-referencing was likely to be more accurate. We thus excluded
12,480 records which were collected before the year 1900, 4 fossil specimens, 514 with ambiguous
locations according to occurrence remarks, 28,542 records with coordinate uncertainty > 10 km,
15,717 records falling on land, and duplicate records. Nearly 75% of records were excluded during this
data preparation. Consequently, 25,082 occurrence data points from GBIF 17,955 from UNEP-WCMC
and Short (2016) and 3806 from OBIS were plotted on a latitude longitude grid to visualise their global
coverage (Appendix S.2.2).
Comparison of point and polygon records in UNEP-WCMC and Short (2016) and data from
GBIF showed geographic gaps in the availability of records (Appendix S.2.2).The UNEP-WCMC and
Short (2016) polygon layer did not cover all areas with point records. Locations which only had
occurrence records from GBIF and UNEP-WCMC and short (2016) included western Canada and the
United States including the Gulf of Alaska and the Gulf of California, Brazil coast from the state of
Ceará to the state of Rio de Janeiro, Norway and the Indo-Pacific region (Appendix S.2.3).
2.2.2 Environmental data
The selection of environmental layers is a very important step in species distribution modelling
because the combined effect of too many abiotic layers could lead to over or under prediction
(Peterson et al. 2007). I used 13 abiotic variables which have been related to the distribution of
seagrasses (Table 2.3).
Chapter Two
20
Table 2.1. The seagrass species studied during this research.
Cymodoceaceae Hydrocharitaceae Zosteraceae
Amphibolis antarctica Enhalus acoroides Heterozostera tasmanica
Amphibolis griffithii Halophila australis Phyllospadix iwatensis
Cymodocea angustata Halophila baillonii Phyllospadix japonicus
Cymodocea nodosa Halophila beccarii Phyllospadix scouleri
Cymodocea rotundata Halophila capricorni Phyllospadix serrulatus
Cymodocea serrulata Halophila decipiens Phyllospadix torreyi
Halodule beaudettei Halophila engelmanni Zostera angustifolia
Halodule bermudensis Halophila hawaiiana Zostera asiatica
Halodule emarginata Halophila johnsonii Zostera caespitosa
Halodule pinifolia Halophila minor Zostera capensis
Halodule uninervis Halophila ovalis Zostera capricorni
Halodule wrightii Halophila ovata Zostera caulescens
Syringodium filiforme Halophila spinulosa Zostera japonica
Syringodium isoetifolium Halophila stipulacea Zostera marina
Thalassodendron ciliatum Halophila tricostata Zostera mucronata
Thalassodendron pachyrhizum Thalassia hemprichii Zostera muelleri
Thalassia testudinum Zostera noltii
Posidoniaceae Zostera novazelandica
Posidonia oceanica Zostera tasmanica
Posidonia australis
Posidonia sinuosa
Posidonia angustifolia
Posidonia ostenfeldii
Posidonia robertsoniae
Posidonia coriacea
Posidonia denhartogii
Posidonia kirkmanii
Chapter Two
21
As seagrass meadows are distributed in coastal areas, depth, distance from land, slope, salinity,
diffuse attenuation coefficient, sea surface temperature, pH, photosynthetically active radiation, wave
height, dissolved oxygen, and nitrate could directly or indirectly affect the distribution of seagrass
(Fonseca and Kenworthy 1987; Murray and Wetzel 1987; Duarte 1991; Erftemeijer and Middliburg
1995; Dawson and Denisson 1996; Pedersen et al. 1998; Short and Neckles 1999; Dixon 2000; Short et
al. 2001; Green and Short 2003; Ralph 2007).
In this study I obtained the environmental data from the Global Marine Environment Datasets (GMED)
(Basher et al. 2014b) data layers which represent annual averages calculated over decades, and thus
indicate long-term enduring characteristics of the environment (Basher et al. 2014b). These have a 5
arc-minute (0.083o grid cell) resolution which is approximately 9.2 km at the equator. For this study I
needed a finer spatial resolution so I interpolated the GMED data to 30 arc second resolution (0.0083o
grid cell) which is approximately 1 km at the equator. All the interpolated layers were cropped to a 0 to
1000 m depth layer in order to map only the near coast region and reduce computational time.
Table 2.2. A summary of occurrence records which were extracted from each database. Data source Geometry
type
Number of
records
Primary data source Number
of species
GBIF point 82,200 Fossil specimens, human
observations, preserved
specimens, literature
74
OBIS point 6235 Fossil specimens, human
observations, preserved
specimens, literature
40
UNEP-WCMC
and Short (2016)
point 17,955 Point-based occurrences 25 +
unspecified
UNEP-WCMC
and Short (2016)
polygon 220,157 Regional maps, expert
interpolated maps
Not given
Chapter Two
22
2.2.3 Modelling
I used Maximum Entropy (MaxEnt) version 3.3.3k software (Phillips et al. 2006; Phillips and Dudik
2008) to generate the seagrass species distribution model. This is widely used for species distribution
modelling with presence-only data, and works well in the marine environment (e.g., Tittensor et al.
2009; Verbruggen et al. 2009; Yesson et al. 2012; Basher et al. 2014a; 2014c; Saeedi et al. 2016). In
the current study, MaxEnt models were generated using 10 cross-validated replicate runs with
parameters: convergence threshold = 10-5, regularization multiplier = 1, maximum number of
background points = 10,000 and maximum iterations = 1000. The cross-validation replication divides
the sample into replicate folds; with each fold in turn used as test data (Phillips and Dudik, 2008). Thus
all the occurrence records at once become a test point. I excluded duplicate records that fell within the
same grid cell. MaxEnt models for individual species, individual genera, individual families, all
occurrence record from individual databases (GBIF, OBIS and UNEP-WCMC and Short (2016)) and
combined databases (GBIF+OBIS and GBIF+UNEP-WCMC and Short (2016)) generated separately
to identify what taxonomic level best defined the biomes. The post image processing for the map was
carried out using Arc Map version 10.5.1. The areas with a MaxEnt probability value greater than 0.5
were taken as the potential global distribution of seagrass. The overlap of MaxEnt predicted areas and
the available point and polygon records from GBIF and UNEP-WCMC and Short (2016) were visually
inspected to determine the spatial accuracy of predictions.
The performance of the model was assessed using the Receiver Operating Characteristic (ROC)
(Phillips et al. 2006). The Area Under the Curve (AUC) of ROC values between 0 and 0.5 indicate
predictions are no better than random and the highest value of 1 gives the best prediction (Phillips et al.
2006, Elith et al. 2011). I used a jack-knife test and the percent variable contribution to identify the
relative importance of each environmental variable. In Maxent, the jack-knife test systematically drops
variables one at a time and compares the predictions using all variables except the dropped one and a
model which is based on that variable only (Phillips et al. 2006). I used MaxEnt’s maximum training
sensitivity plus specificity threshold as the cut-off for the presence of seagrasses.
I compared our map with UNEP-WCMC and Short (2016) by dividing both into 5o latitudinal
bands using Arc Map tools. This also served to check the accuracy of the global area of seagrass with
the sum of each latitudinal band because errors in area calculation are possible with different spatial
scales and projections.
Chapter Two
23
Table 2.3. List of environmental variables used in this study from GMED (Basher et al. 2014b). All data were standardised to a spatial resolution of 30 arc seconds for the present study. Layers Unit Original resolution Depth m 30 arc second Slope degree 5 arc min Land distance km X 100
(Euclidean distance) 5 arc min
Salinity PSS 1o x 1o Diffuse attenuation coefficient m-1 5 arc min Sea surface temperature (maximum) oC 5 arc min Sea surface temperature (mean) oC 5 arc min pH 1o x 1o Photosynthetically active radiation Einstein/m2/day 5 arc min Wave height m 0.5o x0.5o Dissolved Oxygen ml/l 1o x 1o Phosphate ml/l 1o x 1o Nitrate µmol/l 1o x 1o
2.3 Results
2.3.1 Distribution Out of 60 species of seagrass, 37 had sufficient data to model their distribution. The species
Amphibolis antarctica, Amphibolis griffithii, Posidonia australis, Posidonia coriacea, Posidonia
denhartogii, Zostera muelleri from the coasts of Australia, and Cymodocea nodosa and Posidonia
oceanic from the Mediterranean, had similar geographic prediction to their known distribution
(Appendix S.2.4). The modelled maps of the genera Amphibolis sp., Posidonia sp., Halodule sp. and
Phyllospadix sp. and family Posidoniaceae were also similar to their known distribution (Appendix
S.2.4). However, MaxEnt maps for all the other species, genera and families over or under predicted
their natural distribution (Appendix S.2.4).
The map derived from the sum of the individual species distribution maps showed an over-
prediction of seagrass area (Appendix S.2.5). In contrast, the sum of the individual of genus level maps
under-predicted the area (Appendix S.2.5). Notably it under-predicted seagrass distribution in many
tropical locations such as the Indo-Pacific, western African coast, and the Gulf of Mexico. The sum of
Chapter Two
24
the individual families map under-predicted to a greater extent that the sum of genera map (Appendix
S.2.5).
I developed nearly 1,000 trial MaxEnt models with different combination of species, genera,
dominant species, and databases to get the environmental suitability prediction more or less similar to
natural distribution of seagrass biome. None of the combinations of different species, genera and
dominant species predicted the distribution of seagrasses well. The 21,090 occurrence records from
GBIF and 3,814 occurrence records from OBIS produced similar model results. After the visual
inspection of results of extensive trials, I found that the merged database of 25,082 GBIF and 17,955
UNEP-WCMC and Short (2016) seagrass occurrence records which included all species, gave a
prediction for the global distribution of seagrass most similar to their reported distribution and filled
geographical gaps (Figure 2.1). Thus I only use the merged database for predicting the seagrass biome
area. This avoids concerns about overlapping species, genera and family distributions that may result
in double counting of the seagrass cover. The MaxEnt model for this combined database of GBIF and
UNEP-WCMC and Short (2016) records had a high predictive power with an AUC ± SD of 0.76 ±
0.004.
2.3.2 Latitudinal distribution
Our model predicted the total area of seagrass was 1,646,788 km2. The existing UNEP-WCMC and
Short (2016) global distribution area was nearly 610,000 km2 (Appendix S.2.8, Figure 2.2). The
greatest total area of seagrass distribution was predicted to occur in the 20o to 25o north latitudinal
band. Our map predicted seagrass covered 283,725 km2 above +45o latitude whereas the UNEP-
WCMC and Short (2016) area covered only 12,404 km2 (Appendix S.2.8, Figure 2.2).
2.3.3 Environmental variables The relative importance of the environmental variables showed that maximum sea surface temperature
(52%) and distance from land (23%) had the highest contribution in creating the global seagrass
distribution model (Table 4). Mean sea surface temperature (20%) had the third most contribution to
the model. Depth, salinity, and wave height had contributions below 2% (Table 2.4). Similar to the
percent contribution, the jack-knife test of regularized training gain showed that the environmental
variable with the highest gain, when used in isolation, was maximum sea surface temperature which
Chapter Two
25
therefore appears to have the most useful information by itself. In contrast, the environmental variable
that decreased the gain the most when it was omitted was the distance from land. Thus, distance from
land had the most information that wasn't present in the other variables. Hence, the MaxEnt model
showed that the most effective single variable of predicting the global distribution of seagrass biome
was maximum sea surface temperature (Appendix S.2.6.).
The response curves for each variable showed which environmental conditions best match the
distribution of seagrasses. These were depth from 0 m to 100 m depth, 0 km to 1 km distance from
land, and maximum sea temperature 7.5 oC to 12.5 oC and 32.5 oC to 35 oC. Between 12.5 oC to 32.5 oC the response curve was less, suggesting seagrasses occur more in areas that have cooler and warmer
maximum temperatures (Appendix S.2.7)
2.4 Discussion
I examined whether species, genera, or family level models best defined the biome. As expected
because species environmental niches will vary, neither individual species, genera nor family models
could predict the global distribution of seagrass. The sum of the individual species over-predicted the
global distribution of seagrass based on comparison with sample data. This is likely because a species’
distribution is usually geographically restricted but the model predicted areas of suitable environment
outside the geographic ranges of the species. This limitation of predicting species’ geographical range
could be overcome by using only regional scale environmental layers or by using a mask to prevent the
over-prediction of locations where they are naturally not present (Elith, personal communication).
However, masking such areas or using regional level environmental conditions may overly restrict the
prediction. Sometimes it is reported that seagrass occurs in an area but not what species or without
precise latitude-longitude coordinates. In addition, while for 37 species there were sufficient data for a
MaxEnt model, for 23 species there was not. Thus in the absence of adequate data to model every
species and the requirement of predicting the suitable habitats for data sparse areas, the model using all
species’ records for all families provided the most spatially accurate map.
Out of 13 environmental variables, maximum sea surface temperature had the greatest
contribution in predicting species’ distributions. Temperature effects seagrass photosynthesis,
respiration, growth, flowering and seed germination (Short et al. 2001). Beyond their optimal
temperature, seagrasses experience thermal stress which can be fatal (Zieman and Wood 1975, Short et
al. 2001, Duarte et al. 2010). Moreover, seagrass meadows are at increasing risk of thermal stress
Chapter Two
26
(Pedersen et al. 2016). Further modelling using predicted future sea surface temperature layers could
thus predict the effects of climate warming on the seagrass biome.
Table 2.4. The estimation of relative contributions of the environmental variables to the Maxent model. Variable Percent
contribution Permutation importance
SST Maximum 51.9 23.9 Land distance 22.8 31.6 SST Mean 19.7 25.3 Depth 2 9.7 pH 1 0.8 Phosphate 0.6 2.4 Wave Height 0.6 1.8 Slope 0.5 1.9 Salinity 0.3 0.2 Diffuse Attenuation coeffient 0.2 0.6 Dissolved oxygen 0.1 0.3 Nitrate 0.1 0.7 Photosynthetically active radiation (mean) 0.1 0.8
The current study predicted where seagrass would occur in areas where the existing map
(UNEP-WCMC and Short 2016) lacked polygons but where data were available in the GBIF and
UNEP-WCMC and Short (2016) as points. For example, our map predicted seagrass distribution along
the western coasts of the North Pacific Ocean, the Gulf of California and the western coasts of Mexico,
Brazil, Indonesia, Philippine, Somalia. In the northern temperate latitudes there were significant
additional data points available in GBIF that had not been used in previous seagrass maps. Thus the
present map filled geographic gaps in seagrass area coverage.
Seagrass are only rooted into sediments. However, a global layer of seabed substratum is not
available. Thus the present model, by not including substratum, overestimates the potential area of
seagrass. Other local factors may also limit seagrass distribution. Apart from human impacts (e.g.,
dredging or sediment runoff), ecological interactions (e.g., grazing), extreme weather events,
competition with invasive species, and pathogens, may limit seagrass distribution (Orth et al. 2006).
Chapter Two
27
Figure 2.1. The MaxEnt model predicted environmental range for seagrasses. Post image processing was done by Arc Map software. The black colour indicates the MaxEnt probability of distribution from 0.50 to 0.73
Chapter Two
28
Our methods should be repeated as more primary data become available, especially on the
western coast of South American, Africa, Indian Ocean and Indo-Pacific region. Furthermore, our
map only indicates potential distribution and whether seagrass still occurs in these areas should be
validated using more recent distribution data. Thus the map represents the potential seagrass
geographic distribution should other variables not be limiting its occurrence.
The current study predicted where seagrass would occur in areas where the existing map
(UNEP-WCMC and Short 2016) lacked polygons but where data were available in the GBIF and
UNEP-WCMC and Short (2016) as points. For example, our map predicted seagrass distribution
along the western coasts of the North Pacific Ocean, the Gulf of California and the western coasts
of Mexico, Brazil, Indonesia, Philippine, Somalia. In the northern temperate latitudes there were
significant additional data points available in GBIF that had not been used in previous seagrass
maps. Thus the present map filled geographic gaps in seagrass area coverage.
I estimated that the total area of seagrass was 1,646,789 km2, over double the existing
map. The temperate regions had a greater area, and northern subtropics less, compared to the
existing map (Figure 2.2.). Duarte et al. (2010) estimated the global distribution of seagrass as
300,000 to 600,000 km2 in their study on the assessing the carbon sink capacity of seagrass
meadows. Although estimates of carbon sequestration would need to account for inter-specific
and geographic variation in seagrass density, production and loss due to grazing and mortality,
our results suggest their blue carbon sink capacity calculations were conservative and could be
doubled.
Figure 2.2. The area mapped for seagrasses in 5o latitudinal bands by UNEP-WCMC and Short
(2016) (hollow bars) and in the present study (solid bars).
0
60000
120000
180000
80 60 40 20 0 -20 -40
Area
km
2
Latitude
Chapter Three
29
3 A modelled global distribution of the kelp biome 3.1 Introduction The kelp biome is comprised of over one hundred species of habitat-forming seaweeds of the
order Laminariales that form forests on shallow rocky seabeds in temperate and subpolar seas,
and a few deep cold tropical locations (Steneck et al. 2002; Santelices 2007; Graham et al. 2007;
Krumhansl et al. 2016; Teagle et al. 2017; Smale and Moore 2017; Wernberg and Filbee-Dexter
2019). The complexity of the three-dimensional structure of the kelp biome provides habitat for a
diversity of species, including commercial fish (Vásquez et al. 2014) and mammals of
conservation importance (e.g., Markel and Shurin 2015). Kelp forests are the dominant primary
producers in cold-temperate rocky reef ecosystems (Krumhansl and Scheibling 2012; Krumhansl
et al. 2016) and amongst the most productive vegetation types in the world (Mann 1973). Not
only does kelp have indirect benefits to society by virtue of its ecological importance, but it is
food for people (Stévant et al. 2018; Peteiro and Freire 2012). Kelp forests, and thus their
associated fauna and flora, are threatened by harvesting, diseases, herbivory, competition from
non-native species, storms, climate change, pollution, and the combined effects of these factors
(Steneck et al. 2002; Wernberg et al. 2011; Wernberg et al. 2016). Maps are thus useful to
indicate the potential area that could be occupied by kelp species from local to global scales and
facilitate conservation of kelp and its associate faunal and floral communities.
Even though kelp does not have a root system to store carbon in sediment like in the
seagrass and mangrove biomes, or calcareous skeleton as in the zooanthellate coral biome, the
“blue” (ocean) carbon in kelp can be transformed to other food webs through herbivory and
detrital pathways (Krumhansl and Scheibling 2012; Alongi 2018). Algal carbon sequestration
occurs primarily through burial of consumer biomass and this detritus in sediments, and 82% of
kelp productivity is estimated to become detritus (Krause-Jensen and Duarte 2016, Krumhansl
and Scheibling 2012) although the amount of carbon that is being stored by kelp alone and
contributing to the carbon cycle of the ocean has not yet been quantified (Krause-Jensen and
Duarte 2016; Duarte 2017). The global area of kelp occurrence is an important factor in this
calculation.
To date there is no existing map that can be used to calculate the global distribution of
kelp biome. A few hand-drawn maps have shown the distribution of the kelp genera Macrocystis,
Chapter Three
30
Nereocystis, Laminaria, Lessonia and Ecklonia (Raffaelli and Hawkins 1999); and Laminaria,
Saccharina, Macrocystis, Nereocystis, Lessonia, Ecklonia and Eularia (Wernberg et al. 2019).
While useful to get an idea of the distribution of kelp, they cannot be used to calculate the biome
area. Local scale species distribution models have mapped the present distribution of kelp species
(Bekkby et al. 2009), long term changes of kelp cover (Raybaud et al. 2013), and locations of
deep water tropical kelp refugia (Graham et al 2007). However, none of the studies has developed
a polygon layer of the global distribution of kelp biome can be used in geographical information
systems (GIS).
This study attempt to fill this research gap by modelling the global distribution of kelp
biome using field records and environmental variables to provide a world map of this ecologically
important biome. The combination of observed locations of species and knowledge of their
environmental preferences enables the use of species distribution models to more
comprehensively map this biome. The availability of such a global map will illustrate the
importance of the kelp biome in global biodiversity, and enable improved estimates of global
primary production, blue carbon budget, and deforestation rates. Further, this map could be useful
for mapping the distribution ranges of kelp associated fauna.
3.2 Methods 3.2.1 Species occurrence data The common term kelp typically refers to the order Laminariales. However, sometimes some
large brown algae in the order Fucales, such as species of the genus Durvillaea, are included
(Dayton 1985; Fraser et al.2009; Wernberg and Filbee-Dexter 2019). The present study was
limited to the order Laminariales, which has 59 genera and 147 species (Guiry and Guiry 2018).
Kelp distribution data were extracted from the Global Biodiversity Information Facility (GBIF
2017) and the Ocean Biogeographic Information System (OBIS 2017). Initially, I downloaded
109,824 occurrence records for the order Laminariales in 145 datasets from GBIF (Appendix
S3.1, S3.4), and 47,695 records in 99 datasets from OBIS (Appendix S.3.1, S.3.5). Prior to
analysis, taxonomic names were reconciled with AlgaeBase (Guiry and Guiry 2018). Data were
available for 66 species belonging to 5 families (Table 3.1). I limited the analysis to data collected
from 1900 to 2017 because species identification and geo-referencing were likely to be more
accurate since then. Of the data used, 86% were sampled between 1970 and 2017. Records of
Chapter Three
31
fossil specimens, ambiguous locations according to comments in the dataset (e.g., drift material),
and records with coordinate uncertainty > 10 km and falling on land, were removed. Multiple
records for a species in the same geographic location, including duplicates from both databases,
were reduced to one record per location (Fig. 3.1). The dataset used can be downloaded from
Figshare DOI https://doi.org/10.17608/k6.auckland.8787026.
3.2.2 Environmental data I obtained the environmental data from the Global Marine Environment Datasets (GMED)
(Basher et al. 2014b; Basher et al. 2018). These data layers represent annual averages calculated
over decades and thus indicate long-term characteristics of the environment (Basher et al. 2014b).
GMED environmental layers have a 5 arc-minute resolution which is approximately 9.2 km at the
equator. For this study, a finer spatial resolution was needed to get more accurate distributions.
Therefore, I re-interpolated the GMED data to 30 arcsecond resolution which is approximately 1
km at the equator. All the interpolated raster layers were cropped to a 0 to 1000 m depth layer to
reduce the computational time. The deepest at which any species of kelp has been found to be
living is 90 m for Laminaria rodriguezii in the Adriatic Sea (Žuljević et al. 2016). Deeper records
may be due to sinking of kelp from shallow depths following detachment due to storms. Graham
et al. (2007) predicted that the maximum depth for any kelp species would be 236 m in tropical
deep waters. Thus the present study extended well beyond the deepest likely range of kelp.
Previous studies focused on the influence of single abiotic variables such as temperature,
wave exposure, water motion, salinity, light availability, dissolved oxygen, pH, nitrate and
phosphate on the natural distribution of one or a few kelp species (Dayton 1985; Graham et al.
1997; Gerard 1997; Hurd 2000; Gaylord et al. 2002; Steneck et al. 2002; Wernberg and Thomsen
2005; Smale et al. 2013; Žuljević et al. 2016; Wernberg et al. 2019). Here I selected almost all the
abiotic variables from previous studies to understand which variables most influenced the
distribution of kelp. A preliminary model was run with 19 environmental variables (mean sea
bottom temperature, calcite concentration, depth, diffuse attenuation coefficient, dissolved
oxygen concentration, distance from the land, nitrate concentration, pH, phosphate concentration,
photosynthetically active radiation, average sea surface temperature, maximum sea surface
temperature, minimum sea surface temperature, range of sea surface temperature, salinity, silicate
concentration, slope, surface current, and wave height) for each species, genus, family and all
kelp (Table 3.2).
Chapter Three
32
Table 3.1. List of kelp species used in this study to model the global distribution of the kelp biome. For species authorities see Algaebase (Guiry and Guiry 2018).
Agaraceae Laminariaceae Lessoniaceae
Agarum clathratum
Agarum turneri
Costaria costata
Dictyoneuropsis reticulata
Thalassiophyllum clathrum
Alariaceae
Alaria angusta
Alaria crassifolia
Alaria crispa
Alaria esculenta
Alaria marginata
Alaria praelonga
Alaria pylaii
Eualaria fistulosa
Lessoniopsis littoralis
Pleurophycus gardneri
Pterygophora californica
Undaria pinnatifida
Chordaceae
Chorda filum
Laminaria abyssalis
Laminaria brasiliensis
Laminaria digitata
Laminaria ephemera
Laminaria farlowii
Laminaria hyperborea
Laminaria ochroleuca
Laminaria pallida
Laminaria rodriguezii
Laminaria setchellii
Laminaria sinclairii
Laminaria solidungula
Laminaria yezoensis
Macrocystis pyrifera
Nereocystis luetkeana
Pelagophycus porra
Postelsia palmaeformis
Saccharina angustata
Saccharina bongardiana
Saccharina cichorioides
Saccharina complanata
Saccharina dentigera
Saccharina japonica
Saccharina latissima
Saccharina longicruris
Saccharina sculpera
Saccharina sessilis
Streptophyllopsis kuroshioense
Ecklonia biruncinata
Ecklonia brevipes
Ecklonia cava
Ecklonia fastigiata
Ecklonia kurome
Ecklonia maxima
Ecklonia muratii
Ecklonia radiate
Ecklonia richardiana
Ecklonia stolonifera
Egregia menziesii
Eisenia cokeri
Lessonia adamsiae
Lessonia brevifolia
Lessonia corrugate
Lessonia flavicans
Lessonia nigrescens
Lessonia tholiformis
Lessonia trabeculata
Lessonia variegate
Chapter Three
33
3.2.3 Modelling However, the variables calcite, minimum and range of sea surface temperature, mean sea bottom
temperature, surface current, and silicate had < 0.5 % contribution to the models and were thus
excluded from the kelp biome model.
The Maximum Entropy (MaxEnt) modelling software has been widely applied for marine
species distribution modelling with presence-only data (e.g., Tittensor et al. 2009; Verbruggen et
al. 2009; Yesson et al. 2012; Basher et al. 2014a; Saeedi et al. 2016; Jayathilake and Costello
2018; Martinez et al. 2018). I used MaxEnt version 3.3.3k (Phillips et al. 2006; Phillips and
Dudik 2008) to generate the kelp distribution model. In the current study, the model had 10
replicate runs with cross-validation, a maximum number of background points 10,000, and
maximum iterations 1,000. The ‘remove duplicate presence records’ option was activated to keep
one observation point per 30 arc sec grid cell. Separate MaxEnt models for species, genera,
families and the order were created, and the environmental variables contributing most to the
models tabulated. However, 25 species had insufficient occurrence records to develop individual
MaxEnt models to predict their distributions.
By applying the model to all species together I was able to include records of even rare
species. I previously found that this approach provides a more accurate model of a marine biome
distribution (Chapter 2; Jayathilake and Costello 2018). While this model used 13 potentially
related variables, I also generated results (see model evaluation below) to determine the
contribution of each variable individually.
3.2.4 Model evaluation The accuracy of the MaxEnt model was evaluated using the receiver operating characteristic
(ROC) curve and AUC (area under the ROC) (Peterson et al. 2008; Peterson et al. 2011). The
ROC curve and AUC evaluate how well a species distribution model fits true presence and
absence data (Elith et al. 2006; Elith et al. 2011). It is a graphical interpretation of the omission
and commission rates. The omission rate is defined as the proportion of known occurrence
records which are not predicted as presence. The proportion of known presence occurrence
records predicted as present in the model is known as its sensitivity (1 - omission rate) (Phillips et
al. 2004). Theoretically, the commission rate is the proportion of absences predicted as presence.
The commission rate is defined as 1 – specificity, where specificity is the proportion of absences
Chapter Three
34
correctly predicted (Phillips et al. 2004). In a study where only presence data are available (i.e.,
no true absence data), MaxEnt selects random background points as pseudo-absences instead of
true absence records (Phillips and Dudik 2008). Here it assumes that, all the grid cells without
occurrence localities could be pseudo absences even if they have the suitable environmental
conditions (Phillips et al. 2004; Phillips et al. 2006). The current study area was ten times deeper
than the average depth of kelp. This greatly increased the likelihood that the location that would
be selected as a pseudo absence would be in a true absence.
MaxEnt has a high predictive performance with presence-only data (Elith et al. 2006).
AUC is an indicator of the predictive power of a probabilistic model, and ranges from 0 to 1,
where the highest ranking is 1 (Phillips et al. 2004; Phillips and Dudik 2008; Peterson et al.
2008). In the present study, the AUC was high at 0.771, indicating the model had a probability of
0.771 to discriminate predicted presence records over the pseudo-absence records (Appendix 3.2).
The MaxEnt model indicates which variables most influence the distribution of the
species using analyses of percent contribution, response curves, and a jackknife test. While the
MaxEnt model is being run the percentage contribution of each variable to the model is
calculated. This gives a heuristic estimate of the relative contribution of the environmental
variable to the MaxEnt model (Phillips 2017). The jackknife test creates three plots to show how
each variable has contributed to model training, model testing and to the AUC. Which of the
variables mattered the most in determining an environmental or geographic distribution can be
identified by evaluating the overall results of each jackknife plot.
The post image processing of the MaxEnt modelled map used ArcGIS version 10.5.1. The
MaxEnt probability values above 0.45 gave the most similar geographic coverage to the field
observation records. Those areas were considered to define the global distribution of the kelp
biome. The accuracy of the classified map was cross-checked with the existing occurrence
records, available literature, and the satellite imagery on Google Earth (Google Earth 2018). The
original abiotic layers were on the WGS84 geographical coordinate system. Thus, the initial
MaxEnt modelled map used WGS84 geographical coordinate system which has larger grid cells
at lower latitudes. I converted the MaxEnt modelled map to cylindrical equal-area projection (all
grid cells have the same area) using the ArcGIS projection tool to calculate the true area of
distribution and the coastline length covered by the kelp biome.
Chapter Three
35
3.3 Results At the order level, the laminarian kelp biome data contained 44,265 occurrence records
distributed mainly in temperate and sub-Polar Regions. There were no occurrence records from
the tropics and Antarctica (Fig. 3.1). The modelled kelp biome map closely matched the
distribution of reported occurrence records (Fig. 3.1 and 3.2). The biome covered 1,469,900 km2
and 22 % of the world’s coastline. The model predicted locations suitable for kelp which lacked
georeferenced records in GBIF and OBIS, namely: the Atlantic coast of Argentina; Hokkaido
Island, Japan; Shandong Peninsula, China; and Svalbard Island in the Arctic Ocean. However, the
map did not predict laminarian kelp forests in the tropics and Antarctica.
The annual average and maximum sea surface temperatures (SST), distance from land,
and wave height, were the topmost variables contributing to the MaxEnt model (Table 3.2). The
results from the training gain, test gain, and AUC jackknife test plots showed that including only
slope, salinity or pH achieved almost no gain (Table 3.2, Appendix S.3.3). Thus, these three
variables were not meaningful for predicting the global distribution of kelp. In the jackknife plots,
average and maximum SST gave better prediction than other variables. The environmental
variable with the highest gain when used in isolation was the annual average SST. Thus, average
SST had the most useful information by itself. Distance from land was the third, wave height was
the fourth, and dissolved oxygen the fifth most important variable for predicting the distribution
of kelp (Table 3.2).
The probability of occurrence of kelp decreased with depth from 0 to 100 m, and no kelp
occurred deeper than 250 m (Fig. 3.3). Most kelp occurred within 1 km of land. Kelp largely
occurred with a maximum SST from 7 oC to 27 oC, and average from 5 oC to 25 oC. Kelp never
occurred above an annual maximum of 30 oC and an annual average of 27 oC. The probability of
kelp occurrence increased with wave height up to 7 m. Although no kelp was predicted above a
salinity of 37.5, there were peaks of occurrence at 5 and 35 PSS (Fig. 3.3). The low salinity peak
was due to the presence of Chorda filum in the Baltic Sea, parts of which have low salinity.
Of the 66 species used in this study for which geographic coordinates were available, 41
species had sufficient locations to be successfully modelled. Wave height was the topmost for 23,
and one of the top three most important environmental variable for 35 of these species in the
MaxEnt models (Table 3.3, Appendix S.3.6) distance from the land was the next most important
variable, being amongst the top three variables for 21 species, followed by minimum SST (14
Chapter Three
36
species). Wave height and land distance, followed by minimum and average SST, were also the
most important variables at the genus level (Table 3.4). Wave height, average SST and minimum
SST were the most important variables at the family level (Table 3.5).
Table 3.2. The environmental variables used in the Maxent models to predict the geographic
distribution of kelp species of the order Laminariales. Columns indicate the range of the each
variable in the data used, the range kelp occurred most frequently in, and statistics (see main text
for details) on the relative importance of each variable to predicted the distribution of kelp. SST =
sea surface temperature. PSS = practical salinity scale units. AUC = area under the curve.
Abiotic variable Unit Variable
range
Most
suitable
range
% contrib-
ution
AUC Test
gain
Traini
ng
gain
Average SST oC 0-35 5-25 47.7 0.755 0.595 0.575
Land Distance km 0-20 0-1 23.7 0.715 0.380 0.375
Maximum SST oC 0-35 7-27 15.9 0.750 0.575 0.555
Wave height m 0-8 1-8 9.5 0.740 0.450 0.445
Dissolved Oxygen ml l−1 1-10 5-7 1.2 0.730 0.425 0.425
Depth m 0-1000 0-100 0.7 0.680 0.270 0.260
Nitrate μmol -l 0-30 5-14 0.3 0.710 0.300 0.280
pH 6.6-8.6 7.9-8.3 0.3 0.670 0.175 0.150
Photosynthetically
Active Radiation
Einstein/m2
/day
0-55 25-40 0.3 0.680 0.275 0.250
Phosphate μmol -l 0-2.5 0.1-1.0 0.1 0.690 0.255 0.225
Salinity PSS 0-45 0-5, 30-37 0.1 0.660 0.175 0.150
Slope degree 0-14 0-3 0.1 0.640 0.150 0.150
Diffuse Attenuation
Coefficient
m−1 0-65 0-25 0 0.690 0.280 0.275
Chapter Three
37
Table 3.3. Estimates of relative contributions of the environmental variables to the MaxEnt model of the laminarian kelp species. SST = Sea Surface Temperature, SBT = Sea Bottom Temperature, DAC= Diffuse Attenuation Coefficient, PAR= Photosynthetically Active Radiation. Species 1st 2nd 3rd
Agarum clathratum Land distance Wave height Maximum SST
Agarum turneri Depth Phosphate Wave height
Costaria costata Wave height Land distance Salinity
Dictyoneuropsis reticulata Wave height Land distance Minimum SST
Alaria crispa Wave height Phosphate Land distance
Alaria esculenta Wave height Mean SBT Nitrate
Alaria marginata Wave height Land distance Minimum SST
Alaria praelonga Wave height Land distance Phosphate
Eualaria fistulosa Wave height Land distance Phosphate
Lessoniopsis littoralis Wave height Land distance Salinity
Pleurophycus gardneri Wave height Land distance Salinity
Pterygophora californica Wave height Minimum SST Land distance
Undaria pinnatifida Land distance Wave height Minimum SST
Chorda filum Mean SBT Wave height Land distance
Laminaria abyssalis Minimum SST Wave height Nitrate
Laminaria brasiliensis Minimum SST Dissolved Oxygen Wave height
Laminaria digitata Average SST Wave height Land distance
Laminaria ephemera Wave height Land distance pH
Laminaria hyperborea Wave height Average SST Minimum SST
Laminaria ochroleuca Average SST Nitrate Phosphate
Laminaria pallida PAR Wave height Maximum SST
Laminaria rodriguezii Average SST Minimum SST Nitrate
Laminaria setchellii Wave height Land distance Maximum SST
Laminaria sinclairii Wave height Maximum SST Land distance
Laminaria solidungula Depth pH Maximum SST
Laminaria yezoensis Wave height Phosphate Land distance
Macrocystis pyrifera Wave height Land distance Minimum SST
Nereocystis luetkeana Wave height Land distance Minimum SST
Pelagophycus porra Nitrate Wave height Slope
Chapter Three
38
Species 1st 2nd 3rd
Postelsia palmaeformis DAC Wave height Minimum SST
Saccharina dentigera Wave height Land distance Nitrate
Saccharina latissima Wave height Average SST Land distance
Saccharina sessilis Wave height Land distance DAC
Ecklonia cava Maximum SST Phosphate Wave height
Ecklonia kurome Maximum SST Depth PAR
Ecklonia maxima Wave height PAR Phosphate
Ecklonia radiate Salinity Wave height Land distance
Egregia menziesii Wave height Land distance Minimum SST
Lessonia corrugate Wave height Minimum SST Land distance
Lessonia flavicans Land distance Phosphate Dissolved Oxygen
Lessonia variegate Minimum SST Land distance Nitrate
Table 3.4. Estimates of relative contributions of the environmental variables to the MaxEnt
model of the laminarian kelp genera. SST = Sea Surface Temperature.
Genus 1st most contribution 2nd most contribution 3rd most contribution Agarum Wave height Land distance Salinity Alaria Average SST Wave height Land distance Chorda Average SST Wave height Land distance Costaria Wave height Land distance Salinity Dictyoneuropsis Wave height Land distance Minimum SST Ecklonia Minimum SST Land distance pH Egregia Wave height Land distance Diffuse Attenuation
Coefficient Laminaria Average SST Wave height Land distance Lessonia Land distance Minimum SST Wave height Macrocystis Wave height Land distance Minimum SST Nereocystis Wave height Land distance Nitrate Postelsia Diffuse Attenuation
Coefficient Wave height Minimum SST
Pterygophora Wave height Minimum SST Diffuse Attenuation Coefficient
Saccharina Wave height Average SST Land distance Thalassiophyllum Average SST Phosphate Minimum SST Undaria Land distance Wave height Average SST
Chapter Three
39
Table 3.5. Estimates of the relative contributions of the environmental variables to the MaxEnt
model of the laminarian kelp families. SST = Sea Surface Temperature
Family 1st most contribution 2nd most contribution 3rd most contribution
Agaraceae Wave height Land distance Average SST
Alariaceae Wave height Average SST Land distance
Chordaceae Average SST Land distance Wave height
Laminariaceae Average SST Wave height Land distance
Lessoniaceae Minimum SST Land distance Wave height
3.4 Discussion In this study, I provide the first global distribution map of laminarian kelp as a polygon layer that
can be used in geographical information systems (GIS). This polygon layer has a more complete
geographical distribution of the kelp biome than the published range maps of kelp species.
However, the map had a very similar distribution to the observed field records (Fig. 3.1), and as
reported in the literature (Steneck et al. 2002; Wernberg et al. 2019; Wernberg and Filbee-Dexter
2019). I found kelp was limited to latitudes 25o to 70o in the northern, and 25o to 55o in the
southern, hemispheres.
Kelp occupied 1,469,900 km2 and 22 % of the world’s coastline. Previous studies
estimated that 25% of the world’s coastline was covered by kelp forests (Filbee-Dexter and
Wernberg 2018; Blamey and Bolton 2018; Wernberg et al. 2019). Thus, the kelp biome is the
second most widely distributed marine biome, following seagrass with 1,646,788 km2
(Jayathilake and Costello 2018). The other marine biomes have ten times less area, namely
zooxanthellate coral with 151,390 km2 (UNEP-WCMC et al. 2018), and mangroves with 136,850
km2 (Giri et al. 2011).
Some of the locations predicted to contain kelp in our map, but without occurrence
records in GBIF and OBIS, were reported to have kelp forests in the literature. Macrocystis
pyrifera and Undaria pinnatifida have been recorded in the Gulf of Nuevo, along the coast of
Argentina from Puerto Deseado (Santa Cruz province) to Mar del Plata (Buenos Aires province)
Chapter Three
40
(Raffo et al. 2009; Pereyra et al. 2017; Paula et al. 2018). Laminaria japonica and Saccharina
japonica occur along the coast of Shandong Peninsula, China (Wu et al. 2016; Shao et al. 2019).
Laminaria japonica, L. religiosa and U. pinnatifida occur around Hokkaido Island, Japan
(Matsunaga et al. 1999). Alaria esculenta, Laminaria digitata, and Saccharina latissimi occur in
Hornsund, and L. digitata in Kongsfjorden, Svalbard (Włodarska-Kowalczuk et al. 2009; Bartsch
et al. 2016). The current map did not predict any suitable locations in Antarctica and no
laminarian kelp have been reported there (Moe and Silva 1977; Quartino and Boraso de Zaixso
2008; Wernberg et al. 2019). This suggests that the absence of laminarian kelp in these regions is
primarily due to environmental unsuitability. Thus, our map appears to be an accurate
representation of the kelp biome at a global scale.
As a photosynthetic plant, kelp is limited to the photic zone. In this study, the probability
of presence of kelp was high between 0 to 100 m depth, and it was limited to 1 km from the land.
However, it is likely that there may be offshore rocky reefs, such as the tops of seamounts, where
kelp may occur but were not detected due to the spatial resolution of our data (Parker and
Tunnicliffe 1994; Bo et al. 2011). Kelp forests always occur on hard substrata such as rocky
seabeds (Teagle et al. 2017, Wernberg et al. 2019). The present study could not include seabed
substrata because a global layer is not available. Nevertheless, the accuracy of the map suggests
that sufficient rocky substrata exist for all regions where temperature and light are suitable.
However, more detailed regional maps of kelp distribution would benefit from including seabed
substratum within the present biome map.
Kelp had an increased probability of presence with increasing wave height from 1 m to 7
m, with low probability of occurrence in areas without wave action. In general, kelp species
prefer turbulent water (Hurd 2000, Wernberg et al. 2019). For the individual species, genera and
families, wave height was generally the most important factor in influencing their distribution.
Species such as Laminaria hyperborea and Alaria esculenta are more common on wave exposed
coasts (Frid and Kitching 1988; Norton 1992; Kraan et al. 2000; Pedersen et al. 2012).
I confirmed that the annual average sea surface temperature is the most significant factor
limiting the distribution of the kelp biome, as suggested by others (e.g., Lüning 1990; Tegner et
al. 1996; Muller et al. 2009; Smale and Moore 2017). Kelp occurred in average sea surface
temperatures from 5 oC to 25 oC, and was rare above 27 oC (Table 2). Thus, if sea surface
temperature increases beyond these temperatures, such as due to global warming, it will alter the
kelp distribution (Tegner et al. 1996; Assis et al. 2016). Indeed, the range of Australian temperate
Chapter Three
41
kelp forests has contracted after ocean warming and extreme heat waves (Wernberg et al. 2013;
Wernberg et al. 2016). Macrocystis pyrifera forests in Australia have been predicted to become
extinct if the predicted high sea surface temperatures in 2100 eventuate (Wernberg et al. 2011;
Martínez et al. 2018). In contrast, Arctic kelp forests of Laminaria digitata have extended with
ocean warming into areas that were previously too-cold (Bartsch et al. 2016). Modelling of future
kelp biome distribution is necessary to predict its responses to climate change.
The kelp biome map indicates where kelp forests should occur. If kelp is absent, and such
absences are not predicted due to ocean warming, other causes could be examined. For example,
the absence of kelp may be due to the loss of natural ‘trophic cascades’ due to hunting and fishing
of animals that predate sea urchins, and consequent over-grazing of kelp by the sea urchins (e.g.,
Leleu et al. 2012). Future studies may model the potential distribution of kelp species at local and
regional scales, so as to provide finer spatial resolution for local scale conservation and fishery
management. The availability of additional data for the species with insufficient data may allow
their range to be mapped. The present map may also be a useful data layer for predicting the
occurrence of kelp-associated species and estimating ‘blue carbon’ budgets. Moreover, knowing
the global extent of the kelp biome is important for the conservation of not only kelp but
associated species, including species threatened with extinction or important to fisheries.
Chapter Three
43
Figure 3.2. The predicted environmental range for kelp species of the order Laminariales. The dark blue colour indicates the MaxEnt probability of distribution. (a) west coast of North America, (b) north-west Atlantic including Greenland and Iceland, (c) Europe, (d) north-west Pacific including parts of Japan, China, Russia, and Korea, (e) New Zealand and southern Australia, (f) southern Africa, (g) southern South America.
Chapter Three
44
Figure 3.3. Response of kelp to depth, distance from land, wave height, average sea surface temperature, maximum sea surface temperature, and salinity
Chapter 4
Global gap analysis: delineation of priority areas of strict marine reserves to conserve marine biomes
Chapter Four
45
4 Delineation of priority areas of strict marine reserves to conserve marine biomes
4.1 Introduction
Analogous to the conservation of terrestrial forests in order to preserve feeding and breeding
habitats of terrestrial animals, it is essential to conserve marine biomes to safeguard marine
faunal and floral communities. Marine biomes of mangroves, seagrasses, zooxanthellate corals,
and kelps cover almost all the shallow coastal areas of the world. Marine protected areas are one
of the tools used in marine biodiversity conservation (IUCN 2019). At present, there are ongoing
discussions about the extent to which biodiversity goals have been achieved by marine protected
areas.
As noted in Chapter 1, seagrass, kelp, mangrove, and zooxanthellate coral biomes play an
important role in environmental, economic and social services, and are being negatively
impacted by anthropogenic and climatic stresses. Marine fauna living in these biomes are
consequently threatened by loss of habitat (Powles et al. 2000; Lotze et al. 2006; McCauley et al.
2015). Since the 1980s, the seagrass biome has been lost at a rate of 110 km2 yr-1 (Waycott et al.
2009). Short et al. (2011) showed that 22 seagrass species have declining populations. Coastal
urbanisation, degraded water quality, and mechanical damage are contributing most to the
decline of seagrass populations (Short et al. 2011).
At least 35% of mangroves have declined globally over the last decades (Valiela et al.
2001; Duke et al. 2007; Polidora et al. 2010). Among the Southeast Asian countries where the
most mangrove distribution as well as the deforestation occur (Blasco et al. 2001; Primavera et
al. 2019), Myanmar has the highest rate of mangrove deforestation (Hamilton and Casey 2016).
From 2000 to 2012, 88% of the Myanmar mangrove forests were transformed into rice fields.
Over the last 75 years, 83% of the mangroves in the Ayeyarwaddy Delta (Irrawaddy River) were
lost (Htay 2016; Richards and Friess 2016). In Indonesia, Cambodia, and the Philippines, 30% of
mangrove forests have been replaced by ponds for aquaculture (Richards and Friess 2016).
Between 50% and 80% of coral reefs have been impacted locally by human activities
(Hoegh-Guldberg 1999; Bellwood et al. 2004; Bridge et al. 2013). Globally, more than 60% of
coral reefs are under pressure from destructive fishing, fertiliser runoff from agriculture, sewage
Chapter Four
46
discharge, solid waste disposal, and toxins from oil, gas, coastal developments and landfill sites
(Cesar et al. 2003; Wear and Thurber 2015; Burke et al. 2017). Nearly 95% of Southeast Asian
coral reefs are threatened by overfishing, coastal construction and pollutants (Burke et al. 2011;
Wear 2016).
The kelp biome has declined due to kelp harvesting, eutrophication, sedimentation, oil
spills, and climatic impacts (Steneck et al. 2002). Central Chile, the Aleutian Islands, the South
Australian Gulfs, and the North Sea have a > 95% probability of declining kelp abundance in
locations where water temperatures are warming, increased sea urchin abundance due to
overfishing of their predators, pollution and invasive species (Krumhansl et al. 2016).
The Convention on Biological Diversity (CBD) (UNEP/CBD/COP/DEC/IX/20) defined
scientific criteria for identifying ecologically or biologically significant marine areas, namely: (1)
have unique, rare or endemic species, populations or communities; (2) are essential for a
population to survive and grow (e.g., breeding grounds, spawning areas, nursery areas); (3)
contain habitat for the survival and recovery of declining, threatened, and endangered species or
contain an area with significant assemblages of such species; (4) cover a relatively high
percentage of sensitive, functionally fragile species (that is, highly susceptible to degradation or
decline by anthropogenic activities or by natural events) or species that recover slowly; (5)
contain species, populations or communities with comparatively higher natural biological
productivity; and (6) contain comparatively higher biodiversity. All four marine biomes meet all
of the above conditions required to be prioritised for conservation (Chapter 1).
The CBD’s Aichi Biodiversity Target 11 (UNEP/CBD/COP/10/9) calls for at least 10%
of coastal and marine areas, specifically areas of importance for biodiversity and ecosystem
services to be fully protected with an increased focus on comprehensive, ecologically
representative, effectively managed protected areas. It aims to protect both habitats and
populations of species. Aichi Target 11 further asserts that future protected areas should be
focused on the importance of complementarity and spatial configuration to maintain ecological
connectivity and the concept of an ecological network. Therefore Aichi Target 11 concerns both
quantitative and qualitative conservation outcomes through increasing new protected areas (Rees
et al. 2018).
Aichi Biodiversity Target 12 (UNEP/CBD/COP/10/9) calls for the decline of threatened
species to be stopped and their conservation status improved by 2020. The International Union
Chapter Four
47
for Conservation of Nature’s (IUCN) Red List of Threatened Species (commonly referred to as
IUCN Red List) is the most comprehensive inventory of the species conservation status at a
global scale. The IUCN Red List has nine conservation status categories: Not Evaluated, Data
Deficient, Least Concern, Near Threatened, Vulnerable, Endangered, Critically Endangered,
Extinct in the Wild, and Extinct. The Data Deficient (DD) category applies to taxa with a lack of
occurrence and abundance data to evaluate their risk of extinction and the Least Concern (LC)
category includes any taxa that are not categorised as threatened. The Near Threatened (NT) taxa
are likely to qualify for threatened status in the near future. The Vulnerable (VU), Endangered
(EN), and Critically Endangered (CR) taxa have high, very high, and extremely high risks of
extinction in the wild respectively. A taxon is Extinct in the Wild (EW) when it no longer
survives in the wild, and it is considered as Extinct (EX) when no living specimens exist either in
the wild and or in captivity (IUCN 2012). Considering 2020 is the deadline to review progress
against the Aichi Targets, it is timely to review the conservation assessment and status of the
species forming the marine biomes, and to review how well the biomes are protected within
reserves.
Marine Protected Areas (MPAs) play an important role in the conservation of marine
biodiversity. The total area of MPAs is 27,841,368 km2, and comprises 8% of the total ocean
area (UNEP-WCMC and IUCN 2019). Although MPAs account for about 8% of the entire
ocean, only about 0.7% of the ocean area is fully protected from deliberate human impacts in
marine reserves (UNEP-WCMC and IUCN 2019). Costello and Ballantine (2015) found that
94% of MPAs permit fishing and consequently do not aim to conserve biodiversity in a natural
state. Strict marine reserves are essential to conserve biodiversity, not MPAs (Costello and
Ballantine 2015). IUCN guidelines for defining strict marine reserves (category Ia) have their
primary objective of protecting biodiversity by strictly limiting human impacts.
In this chapter, I summarised the current conservation status of each marine biome
forming species in the IUCN Red List. Then I calculated the area of each biome and the areas
with overlapping biomes within each country’s Exclusive Economic Zone (EEZ), and in the
High Seas (areas outside EEZs), were calculated. Since biodiversity conservation projects are
currently proceeding in the IUCN operational region, the area of marine biome within the IUCN
regions was also calculated. The area of each biome protected within fully-protected areas
(IUCN category Ia), hereafter called marine reserves, was calculated. Because biodiversity per
Chapter Four
48
unit area will be higher when several biomes occur together, the analysis mapped geographic
cells where more than one biome occurred. The analysis thus determined the extent to which
marine biomes are (in theory) protected in the marine reserves and which countries can do most
to better protect them.
4.2 Methods 4.2.1 Data
This study used EEZs and marine protected area polygon layers as well as maps of the four
biomes of seagrass, kelp, mangroves and zooxanthellate corals (Table 4.1).
The seagrass distribution was modelled using MaxEnt software (Chapter 2, Jayathilake
and Costello 2018), using 43,037 occurrence records belonging to 60 species from the GBIF
database, the UNEP-WCMC seagrass point layer and 13 abiotic variables available on the Global
Marine Environment Datasets (GMED) (Chapter 2). The map predicted that the seagrass biome
may occupy 1,646,788 km2 which was approximately double the previous seagrass polygon layer
from UNEP-WCMC and Short (2016).
In this study 67 kelp species were used in the summary of the conservation status based
on IUCN Red List. The kelp biome distribution was modelled using MaxEnt (Chapter 3;
Jayathilake and Costello 2019). It was created with 44,265 occurrence records from GBIF and
OBIS and 13 abiotic variables from GMED. The modelled kelp biome map has a distribution
area of 1,469,907.81 km2 distribution in area and is present on 22% of the coastline.
Mangrove biome species were identified according to the World Atlas of Mangroves
(Spalding 2010). Here I used 64 mangrove species for summarizing the conservation status based
on the IUCN Red List. The mangrove polygon layer was downloaded from the UNEP-WCMC
Ocean Data Viewer website (Giri et al. 2011). It was developed using satellite images classified
by a supervised and an unsupervised image classification process (Giri et al. 2011). The map had
a 30 m resolution.
Chapter Four
49
Table 4.1. Summary of data sources used in this study. Data layer Data
format(s) Creation method Spatial
resolution Reference
Seagrass biome Polygon layer
Modelled with MaxEnt
30 arc seconds
Jayathilake and Costello (2018)
Kelp biome Polygon layer
Modelled with MaxEnt
30 arc seconds
Jayathilake and Costello (2019)
Zooxanthellate coral biome
Polygon layer
Multispectral Landsat 7 images acquired between 1999 and 2002
30 m UNEP-WCMC et al. (2018)
Mangrove biome Polygon layer
Multispectral Landsat images processing
30 m Giri et al. (2011)
Exclusive Economic Zones
Polygon layer
Flanders Marine Institute (2014)
Marine Protected Area (MPA)
Polygon layer
Designated under international agreements and conventions
Varied IUCN and UNEP-WCMC (2019)
The zooxanthellate coral species names were extracted from the available literature
(Cairns et al. 1999; Veron 2013; Veron et al. 2015) for the IUCN conservation status summary.
Here I used the IUCN conservation status for 633 zooxanthellate coral species. The
zooxanthellate coral biome vector was downloaded from the UNEP-WCMC Ocean Data Viewer
website (UNEP-WCMC et al. 2018). This dataset contains the global distribution of tropical and
subtropical warm-water coral reefs. It has a point and a polygon shapefile enabled to work in
GIS software. These vectors were compiled from multiple sources including the Millennium
Coral Reef Mapping Project, UNEP World Conservation Monitoring Centre (UNEP-WCMC),
the WorldFish Centre, World Resources Institute, The Nature Conservancy, and the World Atlas
of Coral Reefs. The significant contribution of data is from the Millennium Coral Reef Mapping
Chapter Four
50
Project (85%) which used multispectral Landsat 7 images acquired between 1999 and 2002 with
30 m resolution (UNEP-WCMC et al. 2018).
4.2.2 Current extinction risk of biome forming species
In this study, the global conservation status of 60 seagrass, 67 kelp, 633 zooxanthellate coral, and
64 mangrove species’ (including true mangroves, palm species (Nypa fruticans) and fern species
(Acrostichum sp. ) wide spread within mangrove biome) were summarised based on the
International Union for Conservation of Nature (IUCN) Red List of Threatened Species
(commonly known as IUCN Red List). The conservation statuses were recorded with the same
abbreviations as those used in the IUCN Red List and the abbreviation. The ‘NOT’ status was
given for accepted species yet to be evaluated and which have not been listed in the Red List
(Appendix S.4.1).
4.2.3 Mapping
All four biome polygon layers were converted to the cylindrical equal-area projection coordinate
system and overlaid on the same map using Arc Map 10.5.1. To get an understanding of how
each marine biome covers the EEZ and High Seas, the four biome layers were split into the EEZs
using the Arc Map tool. The biome areas belonging to each country’s EEZ and High Seas were
then calculated separately (Table 4. 3).
The regional conservation of each biome was calculated for each of the IUCN regions. I selected
IUCN operational regions because those regions have ongoing conservation projects in nearly
160 countries. However, the IUCN did not include all countries into their operational regions.
The countries that were not already not categorised in any IUCN operational regions were
therefore included in a region according to their continent. In the current study I included the
Mediterranean countries together same as per the IUCN operational region without divide them
into the three different continents to which they belong. Further I subdivided large continents
such as Asia and Africa to get attain clearer observations of conservation progress.
Chapter Four
51
4.2.4 The area of overlapping biomes
The biome vector layers were converted to raster layers through a tessellation grid of 1 km x 1
km to maintain a standard pixel size for all four biome layers throughout the analysis. The biome
area was classified as 1 when present and 0 when absent using the reclassify tool in the ArcMap
3 D analyst toolbox. Then the presence of multiple biomes was identified using the weighted
sum (spatial analyst) tool. The weighted sum (spatial analyst) tool overlays several raster layers
and sums them up together. In the current study, weights were set as 1 for each biome raster
layer. Thus, cells could be scored from 0 (on biome) to 4 (4 biomes). However, there were no
cells found with all four biomes. The area covered with the existing IUCN Category Ia marine
reserves was extracted using the IUCN and UNEP-WCMC (2018) vector layer to map reserves
to the biomes. The following areas were then calculated.
1) Area of seagrass, kelp, zooxanthellate coral, and mangrove biome distribution.
I. In each EEZ
II. In each IUCN operational region
2) Area of multiple biomes occuring within a 1 km x 1 km cell grid
I. In each EEZ
II. In each IUCN operational region
3) Area of multiple biomes within marine reserves
I. In each EEZ
II. In each IUCN operational region
4.3 Results
4.3.1 Species conservation status assessment
561 zooxanthellate coral species, 58 seagrass species, 1 kelp species, and 60 mangrove species
had already been assessed by the IUCN Red List meaning 72, 2, 66, and 4 species respectively
have not been assessed (Table 4.2, Fig. 4.1).
Of the assessed zooxanthellate coral species, 160 (25%) were categorised as threatened;
i.e. Critically Endangered, Endangered, or Vulnerable. Another 131 species (22%) were listed as
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not assessed (NOT) and data deficient (DD). Almost all of the species of kelp biome were not
evaluated (Table 4.2, Fig. 4.1). Among the conservation statuses of 78 laminarian kelp species
and 25 other kelp species, only one species (Eisenia galapagensis) was listed as vulnerable and
the rest were yet to be evaluated.
Of the 60 seagrass species, 7 (12%) were listed in one of the three Red List categories of threat:
Critically Endangered, Endangered, or Vulnerable (Fig. 4.1). Phyllospadix japonicas and Zostera
chilensis were listed as endangered species. The majority of the seagrass species belonged to the
Least Concern category. Halophila baillonis, Halophila engelmannii were not evaluated, and
two, Halodule beaudettei and Halodule emarginata were categorised as Data Deficient. Out of
the studied mangrove species, a 10% have been categorised as Threatened with the Risk of
Extinction in the IUCN Red List. The majority of mangroves have been listed under the Least
Concern category in the IUCN Red List (Fig 4.1).
4.3.2 Area of biome distribution 4.3.2.1 EEZ Australia had the largest area of seagrass of any country (Tables 4.3, 4.4, Fig. 4.4, 4.5, 4.6, 4.7),
and 16% of the total global seagrass distribution. The USA and Indonesian EEZs had the next
largest areas of seagrass with 6% and 5% of the global seagrass distribution respectively. The
largest area of kelp for any country was also found in Australia, with 21% of the global kelp
cover. The USA (9%), The UK (7%), and Japan (7%) had the next largest kelp cover. Australia,
Indonesia, the Philippines, and Papua New Guinea had 21%, 13%, 7% and 5% of the highest
global coral distribution respectively. These four countries covered nearly half of the global coral
biome. Indonesia had 1/5 of the global mangrove cover, followed by Brazil (8%), Australia
(7%), and Mexico (5%) (Table 4. 3, 4.4). Thus, Australia is therefore known to have more
seagrass, kelp and zooxanthellate coral reef biomes than any other country.
When countries were considered along with their overseas territories, the largest seagrass
and kelp distributions were in Australia and the USA (Table 4.3). Australia and its overseas
territories had the largest mangrove distribution followed by Indonesia and the Philippines.
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Figure 4.1. The number of marine biome species and their conservation status. NOT = Not yet
evaluated by the IUCN Red List, DD= Data Deficient, LC= Least Concern, NT= Near
Threatened, VU= Vulnerable, EN= Endangered, CR= Critically Endangered statuses as
identified by the IUCN Red List.
4.3.2.2 IUCN regions Seagrass was distributed in all 12 regions except Antarctica. The East and Southeast Asia,
Europe and Oceania regions had over half (54%) of the global seagrass distribution. The lowest
distribution of seagrass biome was in the IUCN regions of Eastern Europe, and Central Asia, and
West Asia.
Seagrass biome is distributed in all 12 regions except Antarctica. The East and Southeast
Asia, Europe and Oceania regions had got 54 % of the global seagrass distribution. The least
distribution of seagrass biome was found in the Eastern Europe and Central Asia region, and the
West Asia region.Over 66% of the global distribution of kelp had been distributed in Europe and
the Oceania region (Fig. 4.2), although it was also common in all regions except West Asia and
South Asia regions, and least in Antarctica, Mexico, Central America and the Caribbean region,
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54
and the West and Central Africa region. The mangrove biome had mostly distributed along the
tropical coastlines. Half of the global distribution of mangrove biome and two-thirds of the
zooxanthellate biome were found in the East and Southeast Asian region and Oceania regions.
4.3.3 Area of multiple biomes occur with 30 arcsec cell grid 4.3.3.1 EEZ The coastal area wih 1 km x 1 km cells covered by at least one biome was 86,146 x 102 km2. Of
this a 56,807 x 102 km2 area was covered by one biome, 25,190 x 102 km2 by two and 4,148 x
102 km2 by three biomes. There were no 30 arcsec cells (1 km x km) within all four studied
biomes. The largest area, covered by two biomes, was found in Australia, followed by Indonesia
and then the USA. The largest area, with three overlapping biomes, was in Indonesia and
comprised of seagrass, coral, and mangroves. The next largest were followed by the Philippines,
Australia, and Papua New Guinea (Table 4.3, 4.4, Fig 4.8, 4.9, 4.10).
4.3.3.2 IUCN regions Most of the areas covered by one biome were found in Oceania and the East and Southeast Asian
region and the region with the fewest was Antarctica (Fig. 4.3). The largest areas covered by two
biomes were found in East and Southeast Asia, Europe and Oceania regions. The largest area
with three overlapping biomes, was found in the East and Southeast Asian region, followed by
the Eastern and Southern Africa, Oceania and Mexico and the Central America and the
Caribbean regions.
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Figure 4.2. The regional distribution of marine biomes.
0 2000 4000 6000
Europe
Oceania
North America
East and Southeast Asia
South America
Mediterranean
Eastern and Southern Africa
Eastern Europe and CentralAsia
West and Central Africa
Mexico, Central America andthe Caribbean
South Asia
West Asia
Antarctica
Area 102 x km2
IUC
N o
pera
tiona
l reg
ion
Coral (UNEP_WCMC) Kelp Mangrove (UNEP_WCMC) Seagrass
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Figure 4.3. The overlap of biome areas in the IUCN regions.
4.3.4 Area of multiple biomes within marine reserves Globally only 1% of marine biomes were conserved in marine reserves (Table 4.5). Of these,
586.5 x102 km2 of reserves contained one biome, 192.3 x102 km2 had two, and 27 x102 km2 had
three biomes. As a percentage, reserves covered only 0.7% of areas with one biome, 0.2% of
0 2000 4000 6000 8000 10000 12000 14000
East and Southeast Asia
Oceania
South America
Europe
North America
Mexico, Central America and theCaribbean
Mediterranean
Eastern and Southern Africa
West and Central Africa
South Asia
West Asia
Eastern Europe and Central Asia
Antarctica
Area 102x km2
IUC
N o
pera
tiona
l reg
ion
3 biomes 2 biomes 1 biome
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areas with two, and 0.03% of areas with three biomes (Table 4.3, Fig 4.11, and Fig. 4.12). The
USA, Mexico, and Chile had the largest reserves (Table 4.5).
Regarding IUCN regions, East and South East Asia 0.7%, Eastern and Southern Africa
0.03%, Mexico, Central America and the Caribbean 2%, North America 0.5%, Oceania 0.25%,
and South America 0.4%, of their area covered with three biomes had only conserved within
marine reserves (Table 4.5). The largest three biome occupied area covered within reserves was
found in Indonesia followed by Mexico and Australia (Table 4.4).
The following EEZs had areas inhabited by three biomes but none were protected in reserves:
Anguilla, Aruba, Bahrain, Belize, Bonaire Sint Eustatius & Saba, Cambodia, Colombia,
Comoros, Dominican Republic, Ecuador, Egypt, Eritrea, Grenada, Guadeloupe, Haiti, India,
Japan, Kenya, Maldives, Malta, Mayotte, Micronesia, Mozambique, Myanmar, Palau, Panama,
Papua New Guinea, Philippines, Guinea, Qatar, Saint Martin, Saint Vincent and the Grenadines,
Samoa, Sint Maarten, Solomon Islands, Somalia, South Africa, Sri Lanka, St. Kitts & Nevis, St.
Lucia, Sudan, Tanzania, Thailand, The Bahamas, Tonga, Turks & Caicos Island, Vanuatu,
Venezuela, Vietnam, Virgin Islands (UK), Yemen (Fig 4.11, Fig. 4.12). Out of these EEZs,
India, Mozambique, Papua New Guinea, Tanzania, and the Solomon Islands had the highest area
covered by three biomes.
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Figure 4.11. The existing reserves (black) and top priority areas for the future declaration of reserves (three biome occupied areas) (red).
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Figure 4.12. Present biome protection within reserves.This map is available on the Arc GIS online service via link https://arcg.is/1HCfK
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4.4 Discussion
This chapter identified the current conservation status of biome species based on the IUCN Red
List and locations where marine reserves would be optimally designated to conserve marine biomes.
Nearly 80% out of 824 biome-forming species studied here had their conservation status assigned by
the IUCN Red List. The remaining 20% had not been assessed. Approximately 5% of species were
categorised into the DD conservation status based on the IUCN Red List due to the lack of appropriate
data on abundance and/or distribution. Listing of a species in the NOT evaluated and DD categories
acknowledges the potential for further research to show that Threatened classification is appropriate
(IUCN 2012). Assessment of the conservation statuses of the kelp biome species had been largely
neglected, despite the vital role they play in the coastal ecology in sub-tropical, temperate and sub-
polar Regions. In addition, of all the species studied, 20% had been assigned as an IUCN conservation
status of threatened. The major finding on the biome-forming species’ conservation concerns based on
IUCN Red List was that nearly one quarter of biome-forming species were yet to be assessed.
Current research is based on the equally weighted summation of presence of seagrass, kelp,
mangroves and zooxanthellate corals within 1 km x 1 km cell grid-calculated areas of each biome, and
overlapping biomes belonging to each country, as well as in each IUCN operational region. The biome
distribution area and the composition of multiple overlapping biomes vary in EEZs and in the IUCN
operational regions. Here I found that Australia had the world’s largest distribution of seagrass, kelp,
and zooxanthellate coral biomes, whereas Indonesia had the largest mangrove cover. These two
countries had the largest area of overlapping biomes as well. Australia occupied the largest area
covered with one biome, as well as two overlapping biomes within one 30 arcsec cell, while Indonesia
had the largest area covered with three overlapping biomes; mangrove, seagrass, and zooxanthellate
corals. As Australia contributed to such a large extent, the Oceania region had the largest distribution
of seagrass and zooxanthellate coral biomes. The Europe region had the largest laminarian kelp
distribution. I found not only the world’s largest mangrove cover but also the largest distribution of
one biome, two overlapping biomes, and three overlapping biome areas in the East and Southeast
Asian regions, followed by the Oceania region. Although the US declared larger reserves, totalling
15,109 x 102 km, only 0.9% of it protects biome-distributed areas. In contrast, Indonesia had an 88.3 x
102 km reserve area, and 85% of it had covered the coastal areas and thereby the biomes. However, out
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of 1,101 x 102 km of three biomes-occupied areas of Indonesia, only 12 x 102 km had been protected
within reserves.
This study shows the importance of the expansion of reserves to protect multiple biome areas.
Multiple biomes occurring within close proximity (e.g. a mangrove-seagrass-zooxanthellate coral
continuum) provides ecological connectivity and niche differentiation among the associated faunal
communities (Unsworth et al. 2009; Berkström et al. 2013). The declining of biomes due to climatic
and anthropogenic activities impacts diminish the linkages between adjacent biomes (Heck et al.
2008). During this study, I therefore aimed to identify the multiple biome areas which had not been
covered within reserves. The most obvious finding of this study was that the countries belonging to
East and South East Asian, Oceania, East and South Africa, South America and Mexico, Central
America, and the Caribbean regions had the largest distribution of multiple biome areas, but were left
out of the marine reserve network thereby conservation efforts. Countries such as India, Philippines,
Papua New Guinea, Mozambique, Tanzania and Solomon Islands had largely been covered with
multiple biomes. These countries can make a big impact in conservation by declaring marine reserves
to cover the multiple biome areas belonging to them. Instead of declaring new marine reserves,
countries such as Indonesia, Australia, Madagascar, Fiji, Brazil, and Cuba can expand their existing
reserves to protect their larger distribution of marine biomes.
A further study could assess the conservation status of the kelp biome species based on the
IUCN Red List. Considerably more work will need to be done to identify the regions with the highest
number of species belonging to the NOT and the DD categories. Similarly, it is important to identify
hotspots of threatened species in order to get prompt conservation measures, as suggested by the Aichi
Biodiversity Target 12 (UNEP/CBD/COP/10/9).
There is a predicted anthropogenic stress on the biomes due to the increasing population in
low-lying coastal areas in China, India, Bangladesh, Indonesia, Vietnam, Egypt, Nigeria, the United
States, Thailand, and Philippines in 2030 and 2060 (Neumann et al. 2015). Human-induced
disturbances, such as dredging, sedimentation, eutrophication, habitat fragmentation, boat anchoring,
and propeller scars accelerate these biome losses (Short and Wyllie-Echeverria 1996; Montefalcone et
al. 2010; Gilman et al. 2008; Wernberg et al. 2019). The current research shows the above-mentioned
countries with high coastal populations had been covered with multiple marine biomes. Marine reserve
networks should moreover be focused on extension in order to effectively control the negative impacts
of the increasing disturbances caused by human populations.
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Conservation initiatives now recall recommendations for urgent conservation of ecologically
representative and well-connected protected marine area networks (IUCN 2016). The World
Conservation Congress (2016) encouraged the implementation of at least 30% of each marine habitat
in a network of highly protected MPAs (IUCN 2016). These results will form a baseline to develop
future conservation strategies and policies. This assessment will assist the most essential countries
(e.g., East and Southeast Asia, Oceanic, South Asia, West Asia) and the largest conservation
organisations, such as IUCN, in expanding their conservation projects to where conservation actions
will deliver the most effective impact.
Table 4.2. The conservation status of the marine biome species based on the IUCN Red List.
Biome NOT DD LC NT VU EN CR Total
Seagrass 2 2 45 4 5 2 0 60
Zooxanthellate coral 72 67 224 110 142 16 2 633
Kelp 66 0 0 0 1 0 0 67
Mangrove 4 2 43 5 5 3 2 64
Total 144 71 312 119 153 21 4 824
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Table 4.3. The distribution of seagrass, kelp, mangroves, zooxanthellate coral biomes, the area of overlapping biomes for each EEZ, percentage of biomes covered with strict marine reserves. IUCN operational regions were abbreviated as Antarctica = (ANT), East and South East Asia = (ESEA), East and South Africa = (ESA), Eastern Europe and Central Asia = (EEUA), Europe = (EUP), Mediterranean, Mexico, Central America and the Caribbean = (MCC), North America = (NAM), Oceania = (OCN), South America = (SMA) , South Asia = (SAS), West and Central Africa = (WCA), West Asia = (WAS). The countries belonging to the Mediterranean region were marked with an *. All areas are x 102 km2.
Country
Region Biome distribution The area of overlapping biomes Total area of biomes within Ia
% cover in Ia
Present area of Ia Seagrass Kelp Coral Mangr
ove 1
biome 2
biomes 3
biomes Total
Albania* EUP 2.0 5.5
18.6 0.0 0.0 18.6
Algeria* WCA 28.8 0.0
68.1 35.6 0.0 103.7
American Samoa OCN 0.0 0.0 0.5
15.9 0.0 0.0 15.9 1.1 7 1.6 Angola ESA 112.6 0.0 0.0 3.0 281.4 23.0 0.0 304.4 Anguilla (UK) MCC 2.6 0.0 0.2
4.5 3.9 1.0 9.3
Antigua & Barbuda MCC 12.4 0.0 0.5 0.1 17.6 5.9 11.8 35.3 0.2 1 0.2 Argentina SAM 68.5 457.0 0.0
906.3 18.6 0.0 924.9
Aruba (Netherland) MCC 0.0 0.0 0.7
4.0 5.0 1.0 10.0 Australia OCN 2617.3 3476.1 316.4 94.6 5172.1 3068.4 433.8 8674.3 118.1 1 742.6 Bahrain WAS 8.8 0.0 2.7 0.0 27.4 20.6 3.5 51.5 Bangladesh SAS 148.4 0.0 0.0 45.7 316.5 116.2 0.0 432.7 Barbados MCC 0.0 0.0 0.3 0.0 9.0 2.0 0.0 11.0 Belgium EUP 6.6 11.1 0.0 0.0 3.2 15.7 0.0 19.0 Belize MCC 38.6 0.0 11.1 5.7 74.1 65.9 33.4 173.4 Benin WCA 16.5 0.0 0.0 0.4 26.5 6.8 0.0 33.3 Bermuda (UK) NAM 1.8 0.0 5.3 0.0 10.4 3.5 3.5 17.4 0.003 0 0.003 Bonaire Sint Eustatius & Saba (Netherland)
MCC 0.0 0.0 0.3 0.0 13.7 8.0 1.0 22.7
Bosnia & Herzegovina
EUP 0.0 0.0 0.0 0.0 0.6 0.0 0.0 0.6
Brazil SAM 808.8 66.9 7.0 105.2 1591.1 778.5 102.3 2471.9 32.1 1 64.4 British Indian Ocean Territory (UK)
WAS 0.0 0.0 18.1 0.0 210.6 0.0 0.0 210.6
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Country
Region Biome distribution The area of overlapping biomes Total area of biomes within Ia
% cover in Ia
Present area of Ia Seagrass Kelp Coral Mangr
ove 1
biome 2
biomes 3
biomes Total
Brunei ESEA 0.0 0.0 0.6 1.2 41.7 0.7 0.0 42.3 0.04 0.1 0.1 Bulgaria EUP 13.8 0.0 0.0 0.0 36.0 0.0 0.0 36.0 0.1 0.4 0.1 Cambodia ESEA 17.0 0.0 0.5 4.7 69.4 36.0 7.0 112.4 Cameroon WCA 19.2 0.0 0.0 21.5 62.6 31.9 0.0 94.5 Canada NAM 242.3 880.9 0.0 0.0 1297.2 800.1 0.0 2097.2 2.1 0.1 34.3 Cape Verde WCA 6.5 0.0 0.0 0.0 40.4 0.0 0.0 40.4 Cayman Island (UK) MCC 0.0 0.0 1.8 0.8 2.9 13.6 0.0 16.5 Chile SAM 26.6 1003.9 0.0 0.0 1961.2 85.8 0.0 2047.1 1.5 0.07 4502.0 China ESEA 412.7 51.5 4.7 1.8 1005.2 278.4 4.8 1288.4 1.1 0.08 4.4 Christmas Island (Australia)
OCN 0.0 0.0 0.1 0.0 5.0 2.0 0.0 7.1
Clipperton Island (France)
MCC 0.0 0.0 0.0 0.0 4.0 0.0 0.0 4.0
Cocos Island (Australia)
OCN 0.0 0.0 1.2 0.0 8.0 0.0 0.0 8.0
Colombia SAM 66.5 0.0 9.3 21.2 367.7 110.6 12.1 490.4 Comoros ESA 1.0 0.0 2.2 0.0 32.0 13.0 3.0 47.9 Conflict zone China/Japan/Taiwan
ESEA 0.0 0.0 0.1 0.0 6.5 0.0 0.0 6.5
Conflict zone Japan/Russia
ESEA 6.7 89.9 0.0 0.0 154.2 20.1 0.0 174.3
Congo WCA 6.0 0.0 0.0 0.0 23.7 0.0 0.0 23.7 Congo, DRC WCA 7.5 0.0 0.0 2.2 15.6 7.6 0.0 23.2 Cook Islands (New Zealand)
OCN 0.0 0.0 2.5 0.0 61.5 0.0 0.0 61.5
Costa Rica MCC 25.2 0.0 0.8 3.9 68.0 61.3 13.2 142.4 0.0004 0.0003 0.8 Cote d'Ivoire WCA 68.0 0.0 0.0 0.4 114.8 34.8 0.0 149.6 Croatia* EUP 109.3 0.0 0.0 0.0 210.9 0.3 0.0 211.2 Cuba MCC 216.4 0.0 26.9 42.6 427.1 511.8 96.7 1035.6 0.1 0.01 0.1 Curaçao (Netherland) MCC 0.0 0.0 0.5 0.0 9.0 5.0 1.0 15.1 Cyprus* EUP 4.3 0.0 0.0 0.0 18.4 0.0 0.0 18.4
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Country
Region Biome distribution The area of overlapping biomes Total area of biomes within Ia
% cover in Ia
Present area of Ia Seagrass Kelp Coral Mangr
ove 1
biome 2
biomes 3
biomes Total
Denmark EUP 232.3 312.9 0.0 0.0 74.6 423.6 0.0 498.2 Disputed Kenya/Somalia
ESA 0.3 0.0 0.0 0.0 0.7 0.5 0.0 1.3
Disputed Western Sahara/Mauritania
WCA 0.0 0.0 0.0 0.0 1.3 0.0 0.0 1.3
Djibouti ESA 0.0 0.0 2.5 0.1 31.2 7.4 0.0 38.6 Dominica MCC 0.0 0.0 0.2 0.0 13.8 0.0 0.0 13.8 Dominican Republic MCC 66.5 0.0 3.4 1.8 101.8 67.8 49.6 219.1 Ecuador SAM 86.5 0.2 1.3 13.8 246.3 112.0 3.1 361.4 Egypt* WCA 121.2 0.0 33.8 0.0 277.9 170.6 0.9 449.5 El Salvador MCC 0.2 0.0 0.0 3.2 36.7 2.8 0.0 39.5 Equatorial Guinea WCA 17.2 0.0 0.0 1.7 50.7 11.3 0.0 62.0 Eritrea ESA 3.7 0.0 15.8 0.5 138.7 71.3 9.0 219.0 Estonia EUP 119.4 31.0 0.0 0.0 170.4 49.6 0.0 220.0 0.1 0.04 0.1 Falkland Islands (UK) SAM 0.0 63.5 0.0 0.0 167.5 0.0 0.0 167.5 0.1 0.07 0.5 Faroe Islands (Denmark)
EUP 0.0 97.5 0.0 0.0 111.1 0.0 0.0 111.1
Fiji OCN 78.8 0.0 33.9 11.0 419.3 145.9 114.5 679.7 0.7 0.1 0.5 Finland EUP 161.5 128.9 0.0 0.0 113.6 201.4 0.0 315.0 France* EUP 0.8 338.5 0.0 0.0 280.9 371.9 0.0 652.8 French Guiana SAM 2.2 0.0 0.0 8.7 60.2 17.5 0.0 77.7 French Polynesia OCN 11.7 0.0 30.0 0.0 484.9 57.5 0.0 542.4 French Southern & Antarctic Lands
ANT 0.0 4.3 4.2 0.0 44.2 0.0 0.0 44.2
Gabon WCA 57.1 0.0 0.0 16.2 155.5 53.9 0.0 209.4 Gaza Strip* WCA 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Georgia EEUA 0.2 0.0 0.0 0.0 10.3 0.0 0.0 10.3 Germany EUP 101.3 136.5 0.0 0.0 51.2 211.8 0.0 263.0 Ghana WCA 63.6 0.0 0.0 1.1 111.5 35.6 0.0 147.2 Greece* EUP 141.8 6.8 0.0 0.0 455.5 17.8 0.0 473.3 0.01 0.002 1.6 Greenland NAM 0.0 285.2 0.0 0.0 753.8 0.0 0.0 753.8
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Country
Region Biome distribution The area of overlapping biomes Total area of biomes within Ia
% cover in Ia
Present area of Ia Seagrass Kelp Coral Mangr
ove 1
biome 2
biomes 3
biomes Total
Grenada MCC 3.4 0.0 0.6 0.0 8.8 4.0 7.7 20.5 Guadeloupe (France) MCC 20.9 0.0 1.9 0.3 26.6 11.8 12.8 51.2 Guatemala MCC 9.7 0.0 0.0 3.5 57.6 16.5 0.0 74.1 Guernsey EUP 1.4 12.8 0.0 0.0 15.0 6.1 0.0 21.1 Guinea WCA 57.4 0.0 0.0 24.6 117.5 67.8 0.0 185.3 Guinea-Bissau WCA 131.7 0.0 0.0 26.6 222.3 148.4 0.0 370.7 Guyana SAM 13.2 0.0 0.0 2.2 64.7 32.5 0.0 97.2 Haiti MCC 17.3 0.0 3.4 1.5 87.8 65.8 25.3 178.9 Heard Island and McDonald Island. (AUS)
ANT 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 709.5
Honduras MCC 24.0 0.0 8.3 7.0 179.6 59.5 3.0 242.1 Iceland EUP 27.0 679.0 0.0 0.0 843.1 84.6 0.0 927.7 India SAS 364.2 0.0 20.7 37.2 856.2 370.9 101.6 1328.7 Indonesia ESEA 889.0 0.0 200.0 269.3 4943.6 2692.5 1101.1 8737.3 75.1 0.85 88.3 Iran WAS 20.4 0.0 1.2 1.2 161.3 16.5 0.0 177.8 Ireland EUP 146.2 277.4 0.0 0.0 135.9 340.8 0.0 476.7 Israel* EUP 1.0 0.0 0.0 0.0 13.0 0.0 0.0 13.0 Italy* EUP 191.9 6.3 0.0 0.0 547.2 22.4 0.0 569.6 Jamaica MCC 0.1 0.0 4.4 1.0 55.3 48.6 5.9 109.8 Jan Mayen (Norway) EUP 0.0 16.3 0.0 0.0 34.8 0.0 0.0 34.8 27.2 78 882.3 Japan ESEA 300.8 1094.9 10.4 0.1 1678.4 665.5 17.6 2361.5 Jersey EUP 5.5 18.1 0.0 0.0 13.0 11.5 0.0 24.5 Jordan* WAS 0.0 0.0 0.0 0.0 1.5 0.0 0.0 1.5 Kazakhstan EEUA 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Kenya ESA 30.7 0.0 5.1 4.0 45.8 57.4 27.5 130.7 Kiribati OCN 1.0 0.0 19.6 0.0 35.5 5.1 0.0 40.6 Kuwait WAS 0.0 0.0 0.7 0.0 9.3 0.0 0.0 9.3 Latvia EUP 44.5 25.5 0.0 0.0 64.3 30.9 0.0 95.1 Lebanon* WAS 4.3 0.0 0.0 0.0 15.9 0.0 0.0 15.9 Liberia WCA 33.5 0.0 0.0 1.0 69.9 34.7 0.0 104.6
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Country
Region Biome distribution The area of overlapping biomes Total area of biomes within Ia
% cover in Ia
Present area of Ia Seagrass Kelp Coral Mangr
ove 1
biome 2
biomes 3
biomes Total
Libya* WCA 47.1 0.0 0.0 0.0 214.0 0.0 0.0 214.0 Lithuania EUP 11.3 0.1 0.0 0.0 17.9 0.9 0.0 18.8 Madagascar ESA 359.1 0.6 31.1 23.6 637.8 335.0 164.1 1136.9 0.2 0.01 0.2 Malaysia ESEA 78.8 0.0 23.8 55.0 673.3 204.5 75.5 953.4 1.3 0.13 1.3 Maldives SAS 4.9 0.0 27.0 0.0 369.7 25.5 4.1 399.3 Malta EUP 1.2 0.2 0.0 0.0 11.5 0.0 0.0 11.5 Marshall Islands OCN 4.4 0.0 19.9 0.0 340.5 26.4 0.0 366.8 Martinique (France) MCC 0.0 0.0 0.0 0.1 9.9 8.0 6.0 23.8 Mauritania WCA 4.6 0.0 0.0 0.0 152.9 0.5 0.0 153.4 Mauritius ESA 7.9 0.0 7.5 0.0 49.9 22.2 0.0 72.2 Mayotte (France) ESA 4.7 0.0 3.0 0.1 13.1 8.0 10.0 31.1 Mexico MCC 486.5 41.0 7.0 72.6 1436.1 632.0 36.5 2104.6 142.6 7 4544.6 Micronesia OCN 4.4 0.0 31.7 1.0 435.2 31.4 11.2 477.8 Montenegro* EEUA 2.1 0.0 0.0 0.0 8.9 0.0 0.0 8.9 Montserrat (UK) MCC 0.0 0.0 0.0 0.0 6.0 0.0 0.0 6.0 Morocco* WCA 19.4 41.0 0.0 0.1 225.1 75.6 0.0 300.7 Mozambique ESA 290.1 0.0 20.7 29.4 385.8 285.3 99.8 770.9 Myanmar SAS 57.2 0.0 6.1 50.4 523.8 256.4 14.7 794.9 Namibia ESA 21.2 255.0 0.0 0.0 347.4 83.9 0.0 431.3 Nauru OCN 0.0 0.0 0.1 0.0 347.4 83.9 0.0 431.3 Netherlands EUP 56.9 84.8 0.0 0.0 31.9 133.1 0.0 165.0 Netherlands Antilles MCC 0.0 0.0 1.7 0.0 5.5 0.0 0.0 5.5 New Caledonia (France)
OCN 145.6 0.1 45.7 2.5 426.6 183.7 79.3 689.6 1.7 0.24 1.7
New Zealand OCN 132.5 1081.7 0.0 2.7 1444.2 349.2 72.9 1866.2 55.8 3 175.5 Nicaragua MCC 4.0 0.0 4.6 7.1 202.1 25.7 0.0 227.8 67.5 30 88.4 Nigeria WCA 51.0 0.0 0.0 62.3 275.5 80.0 0.0 355.5 Niue OCN 0.0 0.0 0.2 0.0 8.5 0.0 0.0 8.5 Norfolk Island (Australia)
OCN 1.1 16.8 0.0 0.0 22.5 7.2 0.0 29.7
North Korea ESEA 41.7 167.4 0.0 0.0 202.8 92.9 0.0 295.7
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Country
Region Biome distribution The area of overlapping biomes Total area of biomes within Ia
% cover in Ia
Present area of Ia Seagrass Kelp Coral Mangr
ove 1
biome 2
biomes 3
biomes Total
Northern Marianna Islands-Guam (US)
NAM 0.0 0.0 2.2 0.0 42.6 7.0 0.0 49.5
Norway EUP 306.5 1089.5 0.0 0.0 820.5 834.7 0.0 1655.2 17.4 1 22.8 Oman WAS 106.3 0.0 2.8 0.0 253.1 51.0 0.9 305.0 Pakistan SAS 123.2 0.0 0.0 5.1 217.9 56.8 0.0 274.7 Palau OCN 2.0 0.0 5.1 0.6 51.3 16.2 3.9 71.4 Panama MCC 77.4 0.0 6.2 15.3 229.2 119.3 53.4 402.0 Papua New Guinea OCN 385.3 0.0 70.4 47.3 1468.8 625.7 238.8 2333.3 Parcel Islands (China) ESEA 0.0 0.0 1.4 0.0 46.3 0.0 0.0 46.3 Peru SAM 126.5 80.3 0.0 0.3 359.1 98.6 0.0 457.6 Philippines ESEA 337.6 0.6 112.1 25.7 1437.1 1103.5 560.8 3101.4 Pitcairn Islands (UK) OCN 0.0 0.0 0.4 0.0 9.4 0.0 0.0 9.4 Poland EUP 37.1 72.8 0.0 0.0 37.2 88.3 0.0 125.5 Portugal* EUP 22.7 122.2 0.0 0.0 170.4 96.1 0.0 266.5 0.001 0.0003 2.1 Protected zone Australia/Papua New Guinea
OCN 4.9 0.0 5.4 1.0 12.4 7.0 1.1 20.5
Puerto Rico MCC 12.1 0.0 1.9 0.8 32.0 43.8 24.2 100.1 0.6 0.6 0.3 Qatar WAS 28.4 0.0 1.3 0.0 69.3 20.4 6.7 96.4 Reunion (France) ESA 0.5 0.0 0.1 0.0 4.8 4.8 0.0 9.6 Romania EUP 6.2 0.0 0.0 0.0 22.2 0.0 0.0 22.2 0.6 3 0.7 Russia EEUA 150.2 221.5 0.0 0.0 529.1 142.3 0.0 671.4 54.4 8 1605.2 Saint Helena, Ascension and Tristan da Cunha (UK)
WCA 0.0 0.0 0.0 0.0 4.5 0.0 0.0 4.5
Saint Martin (France) MCC 1.5 0.0 0.2 0.0 45.6 4.3 1.9 51.8 Saint Vincent and the Grenadines
MCC 0.6 0.0 0.2 0.0 7.3 7.0 1.3 15.6
Samoa OCN 3.7 0.0 2.0 0.0 30.9 13.0 6.0 49.9 Sao Tome & Principe WCA 7.0 0.0 0.0 0.0 18.5 0.0 0.0 18.5 Saudi Arabia WAS 44.3 0.0 36.4 0.8 392.5 189.2 15.0 596.7 10.4 2 12.6
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Country
Region Biome distribution The area of overlapping biomes Total area of biomes within Ia
% cover in Ia
Present area of Ia Seagrass Kelp Coral Mangr
ove 1
biome 2
biomes 3
biomes Total
Senegal WCA 54.1 0.0 0.0 12.1 206.5 34.5 0.0 241.1 Seychelles ESA 12.2 0.0 15.1 0.1 133.1 20.4 1.0 154.5 3.5 2 3.5 Sierra Leone WCA 56.7 0.0 0.0 13.8 107.4 62.7 0.0 170.1 Singapore ESEA 0.0 0.0 0.0 0.1 5.7 2.6 0.0 8.3 Sint Maarten (Netherland)
MCC 0.2 0.0 0.0 0.0 0.8 1.5 0.1 2.4
Slovenia* EUP 1.9 1.0 0.0 0.0 0.1 3.6 0.0 3.7 Solomon Islands. OCN 75.6 0.0 28.0 4.6 437.6 276.5 80.7 794.8 Somalia ESA 115.3 0.0 4.1 0.2 313.8 60.2 14.3 388.3 South Africa ESA 138.5 405.5 0.0 0.2 471.1 293.1 6.1 770.2 South Georgia & the South Sandwich Is. (UK)
ANT 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
South Korea ESEA 83.4 326.8 0.0 0.0 444.8 187.1 0.0 631.9 18.1 3 20.1 South Sudan ESA 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Spain* EUP 176.3 176.3 0.0 0.0 461.1 254.0 0.0 715.1 Spratly Islands ESEA 0.0 0.0 27.3 0.0 309.3 0.0 0.0 309.3 Sri Lanka SAS 54.9 0.0 0.8 2.1 142.7 100.2 19.1 262.0 St. Kitts & Nevis MCC 0.0 0.0 0.4 0.0 10.2 2.8 1.0 14.0 St. Lucia MCC 0.0 0.0 0.3 0.0 8.0 4.0 2.0 14.0 St. Pierre & Miquelon NAM 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Sudan ESA 7.4 0.0 4.8 0.0 90.8 31.4 1.9 124.1 Suriname SAM 7.7 0.0 0.0 7.4 50.2 37.4 0.0 87.5 Svalbard (Norway) EUP 0.0 21.4 0.0 0.0 48.7 0.0 0.0 48.7 14.7 30 0.0 Sweden EUP 221.1 337.1 0.0 0.0 168.2 424.9 0.0 593.1 1.3 0.2 3.0 Syria* WAS 3.4 0.0 0.0 0.0 15.2 0.0 0.0 15.2 Taiwan ESEA 17.3 0.1 3.8 0.0 88.4 41.2 0.0 129.6 0.1 0.1 0.2 Tanzania ESA 123.3 0.0 20.9 9.7 108.8 124.2 124.3 357.3 Thailand ESEA 133.1 0.0 1.8 24.4 376.3 218.0 25.1 619.4 The Bahamas MCC 86.7 0.0 22.3 8.1 721.8 277.6 68.7 1068.1 WCA 16.4 0.0 0.0 6.8 49.6 29.7 0.0 79.3
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Country
Region Biome distribution The area of overlapping biomes Total area of biomes within Ia
% cover in Ia
Present area of Ia Seagrass Kelp Coral Mangr
ove 1
biome 2
biomes 3
biomes Total
Timor-Leste ESEA 0.0 0.0 0.3 0.1 42.9 17.0 0.0 59.9 Togo WCA 8.6 0.0 0.0 0.1 16.7 2.4 0.0 19.1 Tokelau (New Zealand)
OCN 0.0 0.0 1.0 0.0 11.1 0.0 0.0 11.1
Tonga OCN 1.0 0.1 9.9 0.1 128.6 8.7 6.8 144.0 Trinidad & Tobago MCC 4.6 0.0 0.3 0.6 51.9 10.1 0.0 62.0 Tunisia* WCA 66.3 0.0 0.0 0.0 184.4 0.0 0.0 184.4 Turkey* EUP 127.1 6.4 0.0 0.0 366.5 17.9 0.0 384.4 Turks & Caicos Island (UK)
MCC 1.0 0.0 1.9 1.7 40.1 17.2 4.8 62.1
Tuvalu OCN 0.0 0.0 11.8 0.0 96.0 1.9 0.0 97.9 Ukraine EEUA 140.2 0.0 0.0 0.0 312.0 0.0 0.0 312.0 United Arab Emirates WAS 86.6 0.0 1.4 1.1 150.0 70.6 9.3 229.9 0.1 0.02 0.0 United Kingdom EUP 532.9 1127.0 0.0 0.0 653.7 1166.9 0.0 1820.6 0.03 0.002 0.03 United States NAM 987.1 1550.8 40.9 23.5 3557.5 1292.7 31.5 4881.6 136.1 3 15109.3 United States Minor Outlying Islands
NAM 0.1 0.0 1.7 0.0 165.1 2.0 0.0 167.2 18.0 11 117.3
United States Virgin Islands
MCC 10.4 0.0 0.0 0.0 14.6 10.7 4.3 29.6 1.4 5 0.8
Uruguay SAM 68.6 3.4 0.0 0.0 137.3 9.3 0.0 146.6
Vanuatu OCN 32.0 0.0 7.1 0.1 212.0 89.4 7.9 309.3
Venezuela SAM 174.7 0.0 3.5 33.3 413.2 249.6 26.2 689.1
Vietnam ESEA 140.6 0.0 4.2 21.4 434.5 168.5 12.8 615.8
Virgin Islands, (UK) MCC 13.2 0.0 1.4 0.0 14.9 12.7 3.5 31.1
Wallis & Futuna (France)
OCN 0.0 0.0 1.1 0.0 52.9 3.0 0.0 55.9
Western Sahara WCA 60.8 10.0 0.0 0.0 147.6 32.8 0.0 180.4
Yemen WAS 23.0 0.0 3.9 0.1 213.3 24.5 1.0 238.8
Total 16215 14700 1514 1368 56807 25191 4149 86147 805 28742
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Table 4.4. The summary of the top four EEZ and IUCN region with most area of biome distribution. The area values are given in x 102 km2.
The EEZ and IUCN regions 1st 2nd 3rd 4th
Area of each biomes
EEZ
Seagrass Australia United States Indonesia Brazil Kelp Australia United States United Kingdom Japan Zooxanthellate coral
Australia Indonesia Philippines Papua New Guinea
Mangrove Indonesia Brazil Australia Mexico
IUCN region
Seagrass Oceania Europe East and South East Asia
South America
Kelp Europe Oceania North America East and South East Asia
Zooxanthellate coral
Oceania East and South East Asia
Eastern and Southern Africa
Mexico, Central America and the Caribbean
Mangrove East and South East Asia
South America West and Central Africa
Mexico, Central America and the Caribbean
Area of overlapping biomes
EEZ
one biome Australia Indonesia United States Chile two biomes Australia Indonesia United States United Kingdom three biomes Indonesia Philippines Australia Papua New Guinea Total area Indonesia Australia United States Philippines
IUCN region one biome East and South East Asia
Oceania South America Europe
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The EEZ and IUCN regions
1st 2nd 3rd 4th two biomes East and South East
Asia Oceania Europe Mexico, Central
America and the Caribbean
three biomes East and South East Asia
Oceania Mexico, Central America and the Caribbean
Eastern and Southern Africa
Total area East and South East Asia
Oceania Europe South America
Area of overlapping biomes within Ia
EEZ
one biome United States Mexico Australia Nicaragua two biomes Australia Mexico Indonesia Brazil three biomes Indonesia Mexico Australia Malaysia Total area Mexico United States Australia Indonesia Ia area United States Mexico Chile Russia
IUCN region
one biome Mexico, Central America and the Caribbean
North America Oceania Europe
two biomes Oceania Mexico, Central America and the Caribbean
East and South East Asia
South America
three biomes East and South East Asia
Mexico, Central America and the Caribbean
Oceania South America
Total area Mexico, Central America and the Caribbean
Oceania North America East and South East Asia
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Table 4.5. The regional distribution of biomes covered in marine reserves (IUCN category Ia).Area values are given in 102 x km2. The background colour gradient: higher (white), lower (blue) and in-between values (blue to white gradient) in each column. IUCN operational regions Area of
1 biome in Ia
Area of 2 biome in Ia
Area of 3 biomes in Ia
Total Ia area
Total area of all biomes
Total area of biomes in Ia
East and Southeast Asia 39 44 13 114 20289 96
Oceania 120 54 3 922 17797 177
Europe 51 10 0 913 10830 62
South America 19 14 1 4567 8019 34
North America 149 7 0 15261 7967 156
Mexico, Central America
and the Caribbean 150 52 10 4635
6645 212
Eastern and Southern
Africa 0 3 0 4
4988 4
Mediterranean 0 0 0 4 4620 0
West and Central Africa 0 0 0 0 3919 0
South Asia 0 0 0 0 2697 0
West Asia 8 2 0 13 1948 10
Eastern Europe and
Central Asia 51 4 0 1605
1003 54
Antarctica 0 0 0 710 44 0
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5 General Discussion
5.1 Introduction
The world's natural environment is being destroyed by anthropogenic impacts and
climatic impacts at an increasing rate (Short and Wyllie-Echeverria 1996; Short and Neckles
1999; Marba and Duarte 2010; Sandilyan and Kathiresan 2012; Wear 2016; Halpern et al 2008;
Neumann et al. 2015). The concept of biomes, defined as large areas with similar plant life forms,
plays a central role in conservation and macroecology in the terrestrial environment. For example,
biome maps have long been used in forest conservation (Ellis et al. 2010; Finch and Meadows
2019) to calculate net primary productivity (Churkina and Running 1998; Kicklighter et al. 1999),
study of the diversity of species (Murphy and Romanuk 2016), to understand the primary and
secondary plant successions (Prach and Walker 2019), and for indigenous land protection
(Garnett et al. 2018). In the present day, many organisations such as the World Bank, the US
Agency for International Development, and the World Wildlife Fund are using the map created
by Olson et al. (2001) to identify the distribution of terrestrial biomes. The map subdivided the
global terrestrial domain into 14 biomes, including tropical and subtropical coniferous forests,
savannahs and shrublands, and tundra (Arctic, humid).
In the marine environment the equivalent biomes are seagrass, kelp, mangrove, and
zooxanthellate coral biomes (Jayathilake and Costello 2019a; 2019b).They also have
characteristic features such as a three-dimensional vertical and horizontal distribution, stable
long-term spatial and temporal distribution, and providing feeding and breeding habitats for
associated fauna. However, until the present study, maps with complete global coverage only
existed for corals and mangroves.
The main limitation of the previous seagrass map was that it had an incomplete polygon layer
(UNEP-WCMC and Short 2016). Combining both point and polygon layers, the existing map
covers the entirety of the seagrass biome. However, when the polygon layer was taken separately,
it presented incomplete coverage. The current study advanced the previous existing polygon map
by filling gaps through MaxEnt modelling. As this model was assembled for all seagrass species,
the map may predict the locations for possible seagrass distribution that are rare, not currently
found, or previously undocumented.
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Previously, area-based calculations of the kelp biome were not possible at a global scale
because no spatially resolved map could be used in GIS. In this thesis, this gap was filled with a
world-first map of the kelp biome. It was found that laminarian kelp may occupy 22% of the
world’s coastlines, particularly in sub-tropical, temperate and sub-polar regions excepting
Antarctica. The current study excluded large fucoid seaweeds which are sometimes called kelp
(e.g. in Antarctica). Thus, in the future, a more complete global estimate of seaweed biomes could
include fucoid algae.
Together with mangrove and zooxanthellate corals, we have summarised the latitudinal
distribution, environmental limits, and area of each of the four main marine biomes (Table 5.1).
The distribution of these biomes is likely to influence the distribution of many associated species,
hence maintaining the health of these biomes is important for many other marine species, and
their loss due to seabed trawling, dredging, fishing-induced trophic cascades, pollution, and
climate change is likely to impact many species as well as overall biodiversity, including fisheries
(Leleu et al. 2012; Unsworth et al. 2014; McCloskey et al. 2015).
5.2 Applications
The marine biome maps can be used in marine conservation, climate change projections, carbon
cycle budgets, and for understanding the environmental niche of species. While full chapters on
these applications were beyond the scope of this thesis, examples of these applications are
provided here.
5.2.1 Delineating new strict marine reserve areas to conserve marine biomes.
In this thesis, I looked at which countries could do most to protect the biomes. As the CBD Aichi
Targets are being reviewed in 2020, this work is timely to show how poor the coverage is of strict
marine reserves containing these major ocean biomes and habitats, and which countries can do
most to protect them. Countries in the Indian Ocean and Indo-Pacific region have large areas with
multiple marine biome distribution within 1 km x 1 km cells, yet are some of the areas least
covered by strict marine reserves. In addition, I hope it will inform planning for the CBD 2030
targets of 30% of ocean habitats fully protected.
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Table 5.1. Summary of the marine biome distribution. Seagrass Kelp Zooxanthellate coral Mangrove Latitudinal distribution
70o N to 43o S
25o N to 75o
N and 25o S to 55o S
32o N to 35o S 32o N to 38o S
Total area km2 1,646,788 1,469,900 151,390 136,850
Mean sea surface temperature
0 oC to 30 oC 0 oC to 25 oC 18 oC to 30 oC
15 oC to 30 oC mean sea surface temperature
Depth (-1) to (-90) m coastal 1m to 90 m (Duarte 1991)
0 to (-90 m) Mostly shallow coastal. Some deep water kelp can grow as deep as 90 m (Žuljević et al 2016)
(-1) to (-125) m Shallow to upper mesophotic zone from 30 m to 125 m (Englebert et al. 2017)
(-10) to 10 m elevation. Shallow coastal sea- land interface at the mean sea level
5.2.2 Predicting the future of the world’s marine biomes in response to the
rising temperature.
Species distribution models could be used to predict changes in biome distributions under climate
change. For example, I here provide preliminary models of the future distribution of marine
biomes with projected mean sea surface temperature in 2100. Primary occurrence records were
downloaded from the Global Biodiversity Information Facility (GBIF 2016; 2017; 2018), UNEP-
WCMC and Short (2016), and the Ocean Biogeographic Information System (OBIS 2017; 2018).
The values of the present mean sea surface temperature, future minimum sea surface temperature,
mean sea surface temperature, and the maximum sea surface temperature the Global Marine
Environment Datasets (GMED; Basher et al. 2014a) were plotted verses the latitude value of the
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present occurrence records. The occurrence records were modelled and projected to 2100 using
MaxEnt software, Version 3.3, with present mean sea surface temperature, future mean surface
temperature, depth, and distance from land. Depth and distance from land variables were used to
proximate the prediction to more coastal.
The results of this study show the current mean temperature values of all four biomes’
occurrence records are equal to or lower than future mean sea surface temperatures (Fig. 5. 1).
With future sea warming, biome distribution can be predicted in two ways. One is the expansion
of the biome towards the poles. The most important and novel finding of this study is that
temperature changes in some places in the tropics and sub-tropics adversely affect biome survival
(Table 5.2, Appendix S 5.1. a, b, c, and d).
5.2.3 Using new area values to recalculate blue carbon budget
The recognition of marine biomes as a significant source of ‘blue’ carbon sequestration and
storage has attracted global attention (Duarte et al. 2005). Studies on blue carbon storage in the
seagrass biome had used available seagrass area values from 0.12 x 106 km2 (Green and Short
2003) and 0.6 x 106 km2 (Duarte and Chiscano 1999). The global blue carbon budget could be
updated by recalculating the blue carbon sequestration of seagrass with a new distribution area,
i.e., 1.6 x 106 km2.
Most of the studies have so far assessed the Carbon depositions of mangroves, seagrass
beds and saltmarshes, and largely neglected the amount of carbon sequestration by macroalgae
(Krause-Jensen et al. 2018). Currently, the amount of total global macroalgal carbon assimilation
and storage had been estimated (Chung et al. 2011; Barrón Duarte 2015; Krause-Jensen and
Duarte 2016) but the contribution from the laminarian kelp species was yet to be calculated. A
new estimate of global blue carbon sequestration by kelp species could be done using local and
experimental data on sequestration rates and the newly calculated global area of kelp biome; i.e.,
1.5 x 1012 m2 (Jayathilake and Costello 2019).
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Figure 5.1. The present primary occurrence records of each marine biome (grey dots) shown against the maximum, mean, and minimum projected sea surface temperature for 2100 in 5-degree latitudinal bands.
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Table 5.2. The present and the projected future distribution of marine biomes with the expanding and declining locations. Biome Present
distribution Future distribution
Expanding locations Declining locations
Seagrass 70o N to 43o
S 80o N to 55o S
High latitudes of Alaska, the USA, Canada, Iceland, Norway, Russia, North Korea, China, and Japan
Some tropical locations in Indonesia, Philippines, Papua New Guinea, Solomon Islands, Sri Lanka, Madagascar, Somalia, Kenya, Tanzania, Mozambique, Haiti, Dominican Republican, and the Bahamas
Kelp 25o N to 75o
N and 25o S to 55o S
30o N to 80o N and 31.5o S to 55o S
Russia, Norway, the United States, Canada, Sweden, and Finland
Peru, and Brazil and some areas of Namibia, South Africa, Australia, Chile, and Morocco
Zooxanthellate coral
32o N to 35o S
40o N to 40o S
Peru and Chile, Namibia, South West and South Australia and North Island of New Zealand and the western coastline of Africa
Around the Great Barrier Reef, Australia, many Pacific Islands, The Coral triangle and many Indian Ocean islands including the Maldives
Mangrove 32o N to 38o S
42o N to 44o S
The coasts of Morocco, the Mediterranean Sea, Japan, China, the southern coasts of Australia, middle of the North Island of New Zealand, South Africa, Chile, and Peru
Cuba, Haiti, Dominican Republic, Guinea Bissau
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5.2.4 Species’ environmental niche
I analysed the ranges, geographical distribution, and environmental variables of each seagrass
species, including the seagrass-associated freshwater monocot species (Appendix S5 2.) as the
first step of analysing the biome (seagrass, kelp, zooxanthellate coral and mangrove) species’
environmental niche. The occurrence records of each species were downloaded from the GBIF
(GBIF 2016) and UNEP-WCMC and Short (2016). The values of each environmental variable at
the place of each occurrence records were extracted from the Global Marine Environment
Datasets (GMED; Basher et al. 2014a) using the Arc GIS tool multi values to points. The resulting
point attribute table was exported to develop each environmental variable box plot using R Studio,
Version 1.0.44.
The findings of this study fill the knowledge gap on the environmental niche of the
seagrass species (Appendix S5. 2). Seagrasses were found to have been distributed in different
ranges of geographical (latitude, longitude), physical (depth, distance from the land, sea surface
temperature, wave height) chemical (pH), and nutrient (nitrate and phosphate concentrations)
variables.
Seagrass species were also found to occur in different geographical regions. There were
three major groups of seagrasses that could be identified according to their latitudinal
distribution. They were southern temperate, tropical-subtropical, and northern temperate groups.
The tropical-subtropical group had 23 species and had been distributed in a wider range of
latitudes than the other two temperate groups. Of the species studied, 2/3 of seagrass species (41
species) had occurred between 60o E and 160o E. Eight species were distributed along the 0
longitudes and eleven species were found exclusively in western oceans.
I found that the seagrass species had adapted to live within widely different physical
variables. Most of the species occur within the 0 to 20 m depth range. Species such as Halophila
decipiens, Halodule beaudettei, Halophila ovalis, Halophila spinulosa had been on average
distributed as deep as 35 to 40 m. The majority of species had been distributed within 0.1 km of
the land. Only a few Halophila sp had occurred from 0 to 0.5 km of the land, including H.
capricorni, H. decipiens, H.minor, H. ovalis, H.spinulosa, Thalassia hemprichii, Thalassia
testidinum and Zostera marina. Seagrass distribution had found from 10 oC to 34 oC. Zostera
marina had a broad range and can live in 10 oC to 33 oC of the maximum sea surface
temperature. Seagrasses living in the higher temperature of > 35 oC had narrow ranges. For
example, the tropical species Cymodocea rotundata, C. serrulata, Thalassia testudinum,
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Syringodium filiforme, Enhalus acoroides, and Halophila pinifolia, Halophila major, Halophila
engelmannii had adapted to live in high conditions, and their distribution was limited to a
narrow temperature range. The majority of species had occurred in 35 pps salinity. Cymodocea
nodosa, Halophila stipulacea and Posidonia oceanica had adapted to live in high salinity (>38
pss). Zostera marina and Zostera noltii had a wider (10 to 40 pss) salinity range. Seagrass
species had commonly been distributed at the moderate wave height, range from 3.5 m to 4 m.
This study showed that the majority of seagrass species had occurred in 8.2 pH
conditions, whereas only Halophila capricorni, Halophila decipiens, Halophila minor,
Halophila ovalis, Halophila spinulosa, Halophila tricostata, and Zostera capricorni had
adapted to live in more usual conditions, as 8.4 pH.
Almost all of the seagrass species had been distributed in similar nutrient conditions. The
majority of species had occurred in low nitrate and phosphate concentrations. All the members
of family Cymodoceaceae, family Hydrocharitaceae, and family Posidoniaceae had been
distributed in nitrate concentrations as slight as 0 to 1 μmol/l. In contrast, the members of the
family Zosteraceae had been distributed in a wide range of nitrate concentrations, varying from
0 to 33 μmol/l. Similarly, families Cymodoceaceae, Hydrocharitaceae, and Posidoniaceae had
been distributed in a narrow range of phosphate concentration. Phyllospadix scouleri and
Phyllospadix serrulatus had adapted to live in the highest phosphate concentration.
The seagrass-associated monocot (Ruppia cirrhosa and R. maritima) species’
environmental niche were mostly similar to the members of family Zosteraceae, where as
Lepilaena marina and Ruppia tuberosa species’ environmental niche was mostly similar to the
other three families.
5.3 Conclusion
Similar to terrestrial biome has been frequently used as an environmental conservation tool,
marine biome maps can also be used in marine conservation. Up to date, there is a huge
knowledge as well as a technical gap in marine conservation due to the lack of a base map that
can readily be used in conservation. This thesis presents four biome maps (seagrass, kelp,
mangrove, and zooxanthellate coral) with sufficient resolution and enables use in Geographical
Information System (GIS) and make high-quality products for planning, decision making on
marine conservation. Here I would like to recommend, countries and conservation initiatives
should delineate and expand marine reserves in tropical and subtropical regions especially in
Chapter Five
89
East and Southeast Asia. These countries have high individual biome distribution as well as
multiple biome distribution. Further research should be taken to update the conservation statuses
of biome forming species based on the IUCN Red List. Future studies can use the biome maps, I
present here for calculating the blue carbon budget, environmental niche analysis, and for future
distribution predictions
91
6 Appendices
Appendix S.2. 1. The comparison between the GBIF and OBIS seagrass occurrence records.
Species OBIS GBIF
Before data
cleaning
After data cleaning
Before data cleaning
After data cleaning
Amphibolis antarctica 64 24 988 360 Amphibolis griffithii 42 20 260 119 Cymodocea angustata 0 0 31 18 Cymodocea nodosa 47 10 906 170 Cymodocea rotundata 35 18 237 62 Cymodocea serrulata 56 40 267 84 Enhalus acoroides 15 8 301 94 Halodule beaudettei 0 61 16 Halodule bermundensis 0 0 6 0 Halodule emarginata 0 0 14 3 Halodule pinifolia 0 0 84 22 Halodule uninervis 87 48 508 188 Halodule wrightii 331 215 11420 3385 Halophila australis 0 0 246 145 Halophila baillonii 0 0 2 2 Halophila beccarii 1 1 36 3 Halophila capricorni 4 3 46 34 Halophila decipiens 578 557 751 471 Halophila engelmannii 24 24 219 82 Halophila hawaiiana 0 0 75 7 Halophila johnstonii 1 1 9 5 Halophila minor 2 2 116 45 Halophila ovalis 237 191 1315 557 Halophila ovata 1 1 15 4 Halophila spinulosa 268 244 712 492 Halophila tricostata 32 32 61 57 Phyllospadix iwatensis 25 12 79 12 Phyllospadix japonicus 245 15 Phyllospadix scouleri 76 75 896 347 Phyllospadix serrulatus 55 55 78 29 Phyllospadix torreyi 4 4 576 191 Posidonia angustifolia 0 0 198 94 Posidonia australis 5 4 603 267 Posidonia coriacea 0 0 89 51 Posidonia denhartogii 0 0 70 45
92
Posidonia kirkmanii 0 0 38 25 Posidonia oceanica 459 72 3138 228 Posidonia ostenfeldii 0 0 35 26 Posidonia robertsoniae 0 0 84 62 Posidonia sinuosa 18 8 386 192 Syringodium filiforme 0 0 6888 1646 Syringodium isoetifolium 88 48 306 90 Thalassia hemprichii 91 24 428 138 Thalassia testudinum 964 776 27279 5903 Thalassodendron ciliatum 86 19 317 48 Thalassodendron pachyrizum 7 4 25 15 Zostera asiatica 0 0 28 0 Zostera capensis 17 7 274 40 Zostera capricorni 0 0 391 25 Zostera caulescens 0 0 7 0 Zostera japonica 97 24 176 32 Zostera marina 2232 1168 18490 3879 Zostera mucronata 0 0 36 9 Zostera muelleri 3 3 317 168 Zostera noltii 8 0 3193 959 Zostera novazelandica 0 0 30 2 Zostera tasmanica 17 10 210 95 Ruppia cirrhosa 77 44 4083 1107 Ruppia maritima 80 64 9080 2931 Total 6235 3806 96525 25082
93
Appendix S.2. 2. The global distribution of seagrass based on existing points and polygon records.
25 082 GBIF points
17 955 UNEP-WCMC points
95
Appendix S.2. 3. The regional level comparison of the distribution of seagrass in the (a) UNEP-WCMC and Short (2016) polygon (red) layer, (b) UNEP-WCMC and Short (2016) point (blue) layer, and (c) GBIF occurrence records (black). Note layers and points can overlap
Western North Pacific Ocean
Gulf of California, Gulf of Mexico and Caribbean
98
Appendix S.2. 4. The MaxEnt model maps (in red) for individual (a) species, (b) genera and (c) families of seagrass.All taxa were mapped at a global scale. Where the model predicted an environmental range in a restricted region the image is enlarged there for display purposes. Reported occurrence records are shown as black dots.
(a)
Amphibolis antarctica
125
Appendix S.2. 5. The comparison between the sum of the MaxEnt model maps for individual species, genera and families.
Sum of the individual species
Sum of the individual genera
Sum of individual families
126
Appendix S.2. 6. MaxEnt model results: Jack-knife of regularized training gain the resulting MaxEnt model.
127
Appendix S.2. 7. Response curves of each abiotic variable used in the model. Each of the above curves represents a Maxent model created using only the corresponding variable. These plots reflect the dependence of predicted suitability both on the selected variable and on dependencies induced by correlations between the selected variable and other variables.
128
Appendix S.2. 8. Area calculation for UNEP-WCMC (2014, 2016) and the MaxEnt derived biome for latitudinal band.
Latitudinal band UNEP-WCMC (2016) Shape area (km2)
MaxEnt model Shape area (km2)
80-75 north 0 0 75-70 north 0 0 70-65 north 3 14092 65-60 north 11 33988 60-55 north 1489 103256 55-50 north 1513 85773 50-45 north 8702 46616 45-40 north 10085 74598 40-35 north 10027 75251 35-30 north 6351 64322 30-25 north 72828 82727 25-20 north 129666 139916 20-15 north 97177 51515 15-10 north 81076 89199 10_5 north 51561 87413 5_0 north 19913 52722 0_5 south 9272 79532 5_10 south 16156 92225 10_15 south 29369 82996 15-20 south 12295 97254 20-25 south 7681 90676 25-30 south 13954 41961 30-35 south 23397 100376 35-40 south 2649 55482 40-45 south 1877 4899 45-50 south 0 0 Total 607052 1646789
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Appendix S.2. 9. Citations of datasets used in this study as provided in the GBIF metadata.
Alexander, J., Gross, J. (2017). Consortium of California Herbaria. Version 66.7. Consortium of California Herbaria. Occurrence Dataset https://doi.org/10.15468/i5cqdk accessed via GBIF.org.
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Aragón Axomulco L., Ramos Rivera, P. (2017). Etapa final de la captura y catalogación del Herbario del Instituto de Ecología, AC, Centro Regional del Bajío. Version 1.3. Comisión nacional para el conocimiento y uso de la biodiversidad. Occurrence Dataset https://doi.org/10.15468/dk7ca2 accessed via GBIF.org.
Arizona State University, Global Institute for Sustainability. Arizona State University Vascular Plant Herbarium. Occurrence Dataset https://doi.org/10.15468/nwcpx3 accessed via GBIF.org.
Asase, A, data administrator N (2015). University of Ghana - Ghana Herbarium. Version 8.2. Ghana Biodiversity Information Facility (GhaBIF). Occurrence Dataset https://doi.org/10.15468/l7b2zt accessed via GBIF.org.
Åsen, P. (2017). Vascular Plants, Field notes, Agder naturmuseum (KMN). Version 1.80. Natural History Museum, University of Oslo. Occurrence Dataset https://doi.org/10.15468/gja4jo accessed via GBIF.org.
Australia's Virtual Herbarium (2017). Australia's Virtual Herbarium. Occurrence Dataset https://doi.org/10.15468/rhzrxw accessed via GBIF.org.
B. Torres, R. (2017). IAC - Herbário do Instituto Agronômico de Campinas. Version 1.32. Instituto Agronômico (IAC). Occurrence Dataset https://doi.org/10.15468/w48pii accessed via GBIF.org.
Babcock, R. (2016). CSIRO, SRFME, Algal Biomass, Perth region, Southwest Australia, 2003-2005. CSIRO Oceans and Atmosphere. Occurrence Dataset https://doi.org/10.15468/84pbh9 accessed via GBIF.org.
Bain, J. (2016). University of Lethbridge Herbarium (LEA). Version 6.2. University of Lethbridge. Occurrence Dataset https://doi.org/10.5886/wrt547hq accessed via GBIF.org.
Besson, L. (2016). Collection botanique Le Grand A. (BOUM). Version 13.4. Muséum d'Histoire Naturelle de Bourges. Occurrence Dataset https://doi.org/10.15468/ihclii accessed via GBIF.org.
Besson, L. (2017). Herbier E. P. Larchevêque (BOUM). Version 1.2. Muséum d'Histoire Naturelle de Bourges. Occurrence Dataset https://doi.org/10.15468/b2llge accessed via GBIF.org.
Bioversity International. EURISCO, The European Genetic Resources Search Catalogue. Occurrence Dataset https://doi.org/10.15468/a3lnmd accessed via GBIF.org.
Birk, S. (2017). BioFresh Pond Data. Version 2.2. BioFresh. Occurrence Dataset https://doi.org/10.13148/bf76 accessed via GBIF.org.
BIS for Powys & Brecon Beacons National Park (2017). Natural Resources Wales Regional Data: Mid-Wales. Occurrence Dataset https://doi.org/10.15468/whj6d7 accessed via GBIF.org.
Blindheim, T. (2017). BioFokus. Version 1.638. Natural History Museum, University of Oslo. Occurrence Dataset https://doi.org/10.15468/jxbhqx accessed via GBIF.org.
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Bolton, J., Ranwashe, F. (2016). UCT: South Africa Seaweeds (1905-2008). Version 1.2. South African National Biodiversity Institute. Occurrence Dataset https://doi.org/10.15468/zp9rxk accessed via GBIF.org.
Bonilla Barbosa J. R., Ramos Rivera P. (2017). Flora acuática vascular del área focal Felipe Carrillo Puerto, Corredor Biológico Sian Ka'an-Calakmul, Quintana Roo, México. Comisión nacional para el conocimiento y uso de la biodiversidad. Occurrence Dataset https://doi.org/10.15468/kryidi accessed via GBIF.org.
Bonilla Barbosa J R, Ramos Rivera P (2017). Flora acuática vascular del estado de Morelos, México. Version 1.3. Comisión nacional para el conocimiento y uso de la biodiversidad. Occurrence Dataset https://doi.org/10.15468/ronjyq accessed via GBIF.org.
130
Bonilla Barbosa J R, Ramos Rivera P (2017). Flora acuática vascular y de zonas inundables del área de protección de flora y fauna Laguna de Términos, Campeche, México. Comisión nacional para el conocimiento y uso de la biodiversidad. Occurrence Dataset https://doi.org/10.15468/zp7jgv accessed via GBIF.org.
Botanic Garden and Botanical Museum Berlin-Dahlem. Asociación Jardín Botánico La Laguna - Herbarium LAGU. Occurrence Dataset https://doi.org/10.15468/gfwydn accessed via GBIF.org.
Botanic Garden and Botanical Museum Berlin-Dahlem. Herbarium Berolinense. Occurrence Dataset https://doi.org/10.15468/dlwwhz accessed via GBIF.org.
Botanic Garden and Botanical Museum Berlin-Dahlem. Sammlung Dinter Herbarium Hamburg HBG. Occurrence Dataset https://doi.org/10.15468/aavwqt accessed via GBIF.org.
Botanic Garden and Botanical Museum Berlin-Dahlem. Sammmlung Ule Brasilien Herbarium Hamburgense HBG. Occurrence Dataset https://doi.org/10.15468/xbutk4 accessed via GBIF.org.
Botanical Garden of Córdoba. Jardín Botánico de Córdoba: Herbarium COA. Occurrence Dataset https://doi.org/10.15468/vjuvw1 accessed via GBIF.org.
Botanical Garden, University of Valencia (2015). Colección de plantas vasculares del herbario de la Universitat de València (VAL). Occurrence Dataset https://doi.org/10.15468/xmki52 accessed via GBIF.org.
Botanical Institute of Barcelona (IBB-CSIC-ICUB) (2015). Institut Botanic de Barcelona, BC. Occurrence Dataset https://doi.org/10.15468/pff0t6 accessed via GBIF.org.
Botanical Institute of Barcelona (IBB-CSIC-ICUB) (2015). Institut Botanic de Barcelona, BC-Histórico. Occurrence Dataset https://doi.org/10.15468/ubf7pu accessed via GBIF.org.
Botanical Society of Britain & Ireland (2017). Other BSBI Scottish data up to 2012. Occurrence Dataset https://doi.org/10.15468/2dohar accessed via GBIF.org.
Botanical Society of Britain & Ireland (2017). Scottish SNH-funded BSBI records. Occurrence Dataset https://doi.org/10.15468/llasrt accessed via GBIF.org.
Botanical Society of Britain & Ireland (2017). Welsh BSBI data (ex-VPDB dataset) at hectad resolution. Occurrence Dataset https://doi.org/10.15468/rsvnif accessed via GBIF.org.
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Bundesamt für Naturschutz / Netzwerk Phytodiversität Deutschland. Flora von Deutschland (Phanerogamen). Occurrence Dataset https://doi.org/10.15468/0fxsox accessed via GBIF.org.
Cabezudo Artero, B., García Sánchez, J. (2016). MGC Herbarium of University of Malaga (Spain): MGC-Cormof dataset. University of Malaga. Occurrence Dataset https://doi.org/10.15468/2gfyxk accessed via GBIF.org.
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131
Cameron, E., Moriarty A (2017). Auckland Museum Botany Collection. Version 1.18. Auckland War Memorial Museum. Occurrence Dataset https://doi.org/10.15468/mnjkvv accessed via GBIF.org.
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Capers, R. (2014). CONN. University of Connecticut. Occurrence Dataset https://doi.org/10.15468/w35jmd accessed via GBIF.org.
Carapeto, A., Porto, M. (2016). Flora-On: occurrence data of the flora of mainland Portugal. Version 4.1. Sociedade Portuguesa de Botânica. Occurrence Dataset https://doi.org/10.15468/gi6aum accessed via GBIF.org.
Carl, Faust. Foundation (2017). Fundación Carl Faust: Herbario del Jardí Botànic Marimurtra: HMIM. Occurrence Dataset https://doi.org/10.15468/blmvxk accessed via GBIF.org.
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Castro Souza, V. (2017). ESA - Herbário da Escola Superior de Agricultura Luiz de Queiroz. Version 1.33. Escola Superior de Agricultura Luiz de Queiroz. Occurrence Dataset https://doi.org/10.15468/6e9ry8 accessed via GBIF.org.
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Conservatoire et Jardin botaniques de la Ville de Genève - G. Geneva Herbarium – General Collection (G). Occurrence Dataset https://doi.org/10.15468/rvjdu1 accessed via GBIF.org.
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132
Creuwels, J. (2017). Naturalis Biodiversity Center (NL) - Botany. Naturalis Biodiversity Center. Occurrence Dataset https://doi.org/10.15468/ib5ypt accessed via GBIF.org.
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Dean, E. A., Starbuck, T. (2016). DAV UC Davis Center for Plant Diversity. University of California, Davis. Occurrence Dataset https://doi.org/10.15468/z77ps7 accessed via GBIF.org.
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Dept. of Vegetal Biology and Ecology, Faculty of Experimental Science, University of Almeria. Herbario de la Universidad de Almeria. Occurrence Dataset https://doi.org/10.15468/d5is9n accessed via GBIF.org.
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Dorset Environmental Records Centre (2017). Dorset SSSI Species Records 1952 - 2004 (Natural England). Occurrence Dataset https://doi.org/10.15468/vcjzts accessed via GBIF.org.
133
Droege, G., Ludovic, O. (2016). DNA and Tissue Bank of the Natural History Museum of Denmark. Version 1.16. Botanical Garden & Museum, Natural History Museum of Denmark. Occurrence Dataset https://doi.org/10.15468/pbbvmk accessed via GBIF.org.
Elizabeth Bandeira-Pedrosa, M. (2017). PEUFR - Herbário Professor Vasconcelos Sobrinho. Version 1.32. Universidade Federal Rural de Pernambuco. Occurrence Dataset https://doi.org/10.15468/o6lt9x accessed via GBIF.org.
Environmental Information Network of Andalusia (REDIAM), Regional Ministry for the Environment, Regional Government of Andalusia. Cartografía de vegetación a escala de detalle 1:10.000 de la masa forestal de Andalucía. Occurrence Dataset https://doi.org/10.15468/a7isx1 accessed via GBIF.org.
Ernst-Moritz-Arndt-Universitaet. Floristic Databases of Mecklenburg-Pomerania - Higher Plants. Occurrence Dataset https://doi.org/10.15468/jvupsl accessed via GBIF.org.
Espejel Carbajal, M. I., Ramos Rivera, P. (2017). Flora de las playas y dunas costeras de México. Version 1.3. Comisión nacional para el conocimiento y uso de la biodiversidad. Occurrence Dataset https://doi.org/10.15468/txdsw3 accessed via GBIF.org.
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Espejo Serna, M. A., Ramos Rivera, P. (2017). Las monocotiledóneas mexicanas, una sinopsis florística. Version 1.3. Comisión nacional para el conocimiento y uso de la biodiversidad. Occurrence Dataset https://doi.org/10.15468/telzcw accessed via GBIF.org.
Essex Wildlife Trust Biological Records Centre (2017). National Rivers Authority Essex Coastal Surveys. Occurrence Dataset https://doi.org/10.15468/mnwmzs accessed via GBIF.org.
European Molecular Biology Laboratory (EMBL) (2014). Geographically tagged INSDC sequences. Occurrence Dataset https://doi.org/10.15468/cndomv accessed via GBIF.org.
Evju, M., Vang, R. (2015). ARKO strandeng. Norwegian Institute for Nature Research. Occurrence Dataset https://doi.org/10.15468/bgloh8 accessed via GBIF.org.
Ezaki, Y. (2016). Herbarium Specimens of Museum of Nature and Human Activities, Hyogo Pref., Japan. National Institute of Genetics, ROIS. Occurrence Dataset https://doi.org/10.15468/acd0rn accessed via GBIF.org.
Fairchild Tropical Botanic Garden. Fairchild Tropical Botanic Garden Virtual Herbarium Darwin Core format. Occurrence Dataset https://doi.org/10.15468/hdpruf accessed via GBIF.org.
Fernández Nava, R., Ramos Rivera, P. (2017). Computarización del Herbario ENCB. Fase I (Base de datos de los ejemplares del Valle de México). Version 1.4. Comisión nacional para el conocimiento y uso de la biodiversidad. Occurrence Dataset https://doi.org/10.15468/uxmws5 accessed via GBIF.org.
Floraine (2014). Atlas des plantes vasculaires de Lorraine. Occurrence Dataset https://doi.org/10.15468/jntmiw accessed via GBIF.org.
Flores Guido, J. S., Ramos Rivera, P. (2017). Incremento de los bancos florístico y etnobotánico de la Península de Yucatán. Version 1.3. Comisión nacional para el conocimiento y uso de la biodiversidad. Occurrence Dataset https://doi.org/10.15468/u7txgt accessed via GBIF.org.
Flores Palacios, A., Ramos Rivera, P. (2017). Computarización de las colectas del estado de Morelos depositadas en el Herbario HUMO de la Universidad Autónoma del Estado de Morelos. Version 1.3. Comisión nacional para el conocimiento y uso de la biodiversidad. Occurrence Dataset https://doi.org/10.15468/b1oury accessed via GBIF.org.
Folklore and Natural History Museum (2017). Plant (JNHM-PL). Occurrence Dataset https://doi.org/10.15468/mqio1q accessed via GBIF.org.
Font Castell, X. (2016). FloraCAT: Banco de datos de los cormófitos de Cataluña. Banc de dades de biodiversitat de Catalunya. Occurrence Dataset https://doi.org/10.15470/fzwiiu accessed via GBIF.org.
Franck, A. R., Bornhorst, K. (2017). University of South Florida Herbarium (USF). Version 7.107. USF Water Institute. Occurrence Dataset https://doi.org/10.15468/mdnmzb accessed via GBIF.org.
Friedrich-Alexander University of Erlangen-Nürnberg. Herbarium Erlangense. Occurrence Dataset https://doi.org/10.15468/i7some accessed via GBIF.org.
134
Fryday, A. (2016). Michigan State University Herbarium Vascular Plants. Version 6.1. Michigan State University Herbarium. Occurrence Dataset https://doi.org/10.15468/iv6y8m accessed via GBIF.org.
Gall, L. (2017). Botany Division, Yale Peabody Museum. Yale University Peabody Museum. Occurrence Dataset https://doi.org/10.15468/hrztgn accessed via GBIF.org.
Gall, L. (2017). Paleobotany Division, Yale Peabody Museum. Yale University Peabody Museum. Occurrence Dataset https://doi.org/10.15468/hpasyo accessed via GBIF.org.
García, N. (2016). Herbario Pontificia Universidad Javeriana. Version 4.0. Pontificia Universidad Javeriana. Occurrence Dataset https://doi.org/10.15472/oyj27o accessed via GBIF.org.
García Rubio, O. R., Ramos Rivera, P. (2017). Inventario florístico de los cerros San Martí y El Patol en el semidesierto queretano. Version 1.3. Comisión nacional para el conocimiento y uso de la biodiversidad. Occurrence Dataset https://doi.org/10.15468/hbtpi4 accessed via GBIF.org.
García San León, D. (2017). SANT Herbarium vascular plants collection. Herbario SANT, Universidade de Santiago de Compostela. Occurrence Dataset https://doi.org/10.15468/dgbpla accessed via GBIF.org.
GBIF-Spain (2009). Sistema de Información de la vegetación Ibérica y Macaronésica. Occurrence Dataset https://doi.org/10.15468/qyzfdt accessed via GBIF.org.
GEO-Tag der Artenvielfalt. Artenvielfalt der Nordsee - Sylt. Occurrence Dataset https://doi.org/10.15468/nvhjkx accessed via GBIF.org.
GEO-Tag der Artenvielfalt. GEO-Hauptveranstaltung (Insel Vilm). Occurrence Dataset https://doi.org/10.15468/zgyujv accessed via GBIF.org.
GEO-Tag der Artenvielfalt. GEO-Hauptveranstaltung Bodden (Vilm). Occurrence Dataset https://doi.org/10.15468/ismecy accessed via GBIF.org.
GEO-Tag der Artenvielfalt. Gesamtartenliste Bremerhaven, Helgoland und Sylt. Occurrence Dataset https://doi.org/10.15468/85zmqv accessed via GBIF.org.
GEO-Tag der Artenvielfalt. Küste Wismar-Wendorf bis Hoben. Occurrence Dataset https://doi.org/10.15468/yptgzr accessed via GBIF.org.
GEO-Tag der Artenvielfalt. Wismar Bucht coast-watching. Occurrence Dataset https://doi.org/10.15468/h776is accessed via GBIF.org.
GEO-Tag der Artenvielfalt. Zukünftiges NSG Höftland/Bockholmwik. Occurrence Dataset https://doi.org/10.15468/licmym accessed via GBIF.org.
Gonzatti, F. (2017). HUCS - Herbário da Universidade de Caxias do Sul. Version 1.33. Universidade de Caxias do Sul. Occurrence Dataset https://doi.org/10.15468/nfw0hr accessed via GBIF.org.
Grant, S., Niezgoda, C. (2017). Field Museum of Natural History (Botany) Seed Plant Collection. Version 11.3. Field Museum. Occurrence Dataset https://doi.org/10.15468/nxnqzf accessed via GBIF.org.
Griffiths, H. (2017). The First Comprehensive Description of the Biodiversity and Biogeography of Antarctic and Sub-Antarctic Intertidal Communities. Version 2.1. Antarctic Biodiversity Information Facility (ANTABIF). Occurrence Dataset https://doi.org/10.15468/doyfzk accessed via GBIF.org.
Groom, Q. (2017). All observations extracted from the Flora of Northumberland and Durham 1831. Version 6.1. Belgian Biodiversity Platform. Occurrence Dataset https://doi.org/10.15468/flrn3w accessed via GBIF.org.
Gross, J. (2017). University of California Museum of Paleontology. Version 125.23. Berkeley Natural History Museums. Occurrence Dataset https://doi.org/10.15468/bxpyo3 accessed via GBIF.org.
Guadarrama Olivera, M. D. L. A., Ramos Rivera, P. (2017). Actualización de las bases de datos de las colecciones de plantas vasculares y macromicetos del herbario de la UJAT. Version 1.3. Comisión nacional para el conocimiento y uso de la biodiversidad. Occurrence Dataset https://doi.org/10.15468/owpskf accessed via GBIF.org.
Gutierrez, D., Rodríguez, D. (2017). Museo Argentino de Ciencias Naturales "Bernardino Rivadavia" (MACN). Vascular Plants National Collection (BAv). Version 1.9. Museo Argentino de Ciencias Naturales. Occurrence Dataset https://doi.org/10.15468/cbpzmf accessed via GBIF.org.
135
Gutierrez, D., Rodríguez, D. (2017). Museo Argentino de Ciencias Naturales "Bernardino Rivadavia" (MACN). Vascular Plants National Collection (BAv). Version 1.9. Museo Argentino de Ciencias Naturales. Occurrence Dataset https://doi.org/10.15468/cbpzmf accessed via GBIF.org.
Gutiérrez Garduño, M. V., Ramos Rivera, P. (2017). Sistematización del Herbario Nacional Forestal Biól Luciano Vela Gálvez. Version 1.5. Comisión nacional para el conocimiento y uso de la biodiversidad. Occurrence Dataset https://doi.org/10.15468/uw3owi accessed via GBIF.org.
Harvard University Herbaria (2016). Harvard University Herbaria. Occurrence Dataset https://doi.org/10.15468/o3pvnh accessed via GBIF.org.
Hennekens, S. (2016). Dutch Vegetation Database (LVD). Version 1.6. Alterra, Wageningen UR. Sampling_event Dataset https://doi.org/10.15468/ksqxep accessed via GBIF.org.
Herbaria of the University and ETH Zürich (Z+ZT). Herbaria of the University and ETH Zürich. Occurrence Dataset https://doi.org/10.15468/dg1xxz accessed via GBIF.org.
Herbarium of the University of Aarhus. The AAU Herbarium Database. Occurrence Dataset https://doi.org/10.15468/7uigwo accessed via GBIF.org.
Herbarium of Université de Montpellier 2, Institut de Botanique (2017). Herbarium specimens of Université de Montpellier 2, Institut de Botanique (MPU)). Version 71.39. Occurrence Dataset https://doi.org/10.15468/gyvkrn accessed via GBIF.org.
Herbier de l'université de Limoges (2017). Herbarium specimens of Limoges university (LIMO). Version 72.40. Occurrence Dataset https://doi.org/10.15468/urcyur accessed via GBIF.org.
Herbiers Universitaires de Clermont-Ferrand (CLF) (2017). Herbarium specimens of Herbiers Universitaires de Clermont-Ferrand (CLF). Version 1.40. Occurrence Dataset https://doi.org/10.15468/9axq0b accessed via GBIF.org.
Herrera Silveira, J. A., Ramos Rivera, P. (2017). Biodiversidad de productores primarios de las lagunas costeras del norte de Yucatán. Comisión nacional para el conocimiento y uso de la biodiversidad. Occurrence Dataset https://doi.org/10.15468/gj6bvt accessed via GBIF.org.
Highland Biological Recording Group (2017). HBRG Highland Seashore Project Dataset. Occurrence Dataset https://doi.org/10.15468/sau7qh accessed via GBIF.org.
Hoem, S. A. (2017). Norwegian Biodiversity Information Centre - Other datasets. Version 31.119. Natural History Museum, University of Oslo. Occurrence Dataset https://doi.org/10.15468/tm56sc accessed via GBIF.org.
Hoem, S. A. (2017). Norwegian Species Observation Service. Version 3.5. The Norwegian Biodiversity Information Centre (NBIC). Occurrence Dataset https://doi.org/10.15468/zjbzel accessed via GBIF.org.
Honey, L., Kutner, L. (2016). NatureServe Network Species Occurrence Data. NatureServe. Occurrence Dataset https://doi.org/10.15468/lysaex accessed via GBIF.org.
Hopkins, M., Campos de Oliveira, D. (2015). Herbarium - Instituto Nacional de Pesquisas da Amazônia (INPA). Instituto Nacional de Pesquisas da Amazônia - INPA. Occurrence Dataset https://doi.org/10.15468/5ictpz accessed via GBIF.org.
Horvitz, N. (2015). BioGIS - Vascular plants - SPNI. Israel Nature and Parks Authority. Occurrence Dataset https://doi.org/10.15468/hk5k5o accessed via GBIF.org.
Horvitz, N., Danin, A. (2015). BioGIS - Vascular plants - A. Danin's grid database. Israel Nature and Parks Authority. Occurrence Dataset https://doi.org/10.15468/vrj8ay accessed via GBIF.org.
Hsieh, C., Lai, K. (2017). The digitization of plant specimens of NTU. Version 5.1. TELDAP. Occurrence Dataset https://doi.org/10.15468/sdyzw5 accessed via GBIF.org.
Icelandic Institute of Natural History. Herbarium (AMNH). Occurrence Dataset https://doi.org/10.15468/hkydl2 accessed via GBIF.org.
Icelandic Institute of Natural History. Herbarium (ICEL). Occurrence Dataset https://doi.org/10.15468/6n0bhi accessed via GBIF.org.
Icelandic Institute of Natural History. Observational database of Icelandic plants. Occurrence Dataset https://doi.org/10.15468/u85y6t accessed via GBIF.org.
Ickert-Bond, S. (2017). UAM Herbarium (ALA), Algae Collection (Arctos). Version 8.8. University of Alaska Museum of the North. Occurrence Dataset https://doi.org/10.15468/gwjvwf accessed via GBIF.org.
136
Ickert-Bond, S. (2017). UAM Herbarium (ALA), Vascular Plant Collection (Arctos). Version 38.8. University of Alaska Museum of the North. Occurrence Dataset https://doi.org/10.15468/iawody accessed via GBIF.org.
inatura - Erlebnis Naturschau Dornbirn. inatura - Erlebnis Naturschau Dornbirn. Occurrence Dataset https://doi.org/10.15468/gitoa1 accessed via GBIF.org.
iNaturalist.org (2017). iNaturalist Research-grade Observations. Occurrence Dataset https://doi.org/10.15468/ab3s5x accessed via GBIF.org.
Infante Sánchez, M., Heras Pérez, P. (2016). VIT Herbarium - Vascular Plants (The Natural History Museum of Alava). Version 1.3. Natural History Museum of Alava (Museo de Ciencias Naturales de Álava). Occurrence Dataset https://doi.org/10.15468/tqcbr0 accessed via GBIF.org.
Institute of Nature Conservation, Polish Academy of Sciences. National System of Protected Areas in Poland - Plants. Occurrence Dataset https://doi.org/10.15468/raiu5i accessed via GBIF.org.
Instituto de Botánica Darwinion - CONICET. Instituto de Botánica Darwinion. Occurrence Dataset https://doi.org/10.15468/vtfbe3 accessed via GBIF.org.
Iracema Bezerra Loiola, M. (2017). EAC - Herbário Prisco Bezerra. Version 1.36. Universidade Federal do Ceará. Occurrence Dataset https://doi.org/10.15468/mgeah1 accessed via GBIF.org.
Islam M., Levy R. (2017). DBG Kathryn Kalmbach Herbarium. Version 6.4. Kathryn Kalmbach Herbarium (Denver Botanic Gardens). Occurrence Dataset https://doi.org/10.15468/euw5ge accessed via GBIF.org.
Isle of Wight Local Records Centre (2017). Isle of Wight Notable Species. Occurrence Dataset https://doi.org/10.15468/sm4ety accessed via GBIF.org.
Israel Nature and Parks Authority. Israel Nature and Parks Authority. Occurrence Dataset https://doi.org/10.15468/cmnjt1 accessed via GBIF.org.
Ito, Y. (2014). An updated checklist of aquatic plants of Myanmar and Thailand. Biodiversity Data Journal. Checklist Dataset https://doi.org/10.15468/jzjzee accessed via GBIF.org.
Jennings, L. (2017). University of British Columbia Herbarium (UBC) - Vascular Plant Collection. Version 16.2. University of British Columbia. Occurrence Dataset https://doi.org/10.5886/rtt57cc9 accessed via GBIF.org.
Joint Nature Conservation Committee (2017). Marine Nature Conservation Review (MNCR) and associated benthic marine data held and managed by JNCC. Occurrence Dataset https://doi.org/10.15468/kcx3ca accessed via GBIF.org.
Joint Nature Conservation Committee (2017). River Macrophytes Database. Occurrence Dataset https://doi.org/10.15468/mebiar accessed via GBIF.org.
Jordal, J. B. (2017). Jordal. Version 1.83. Natural History Museum, University of Oslo. Occurrence Dataset https://doi.org/10.15468/wqsad9 accessed via GBIF.org.
José Válka Alves, R., Ferreira Costa, A. (2017). R - Herbário do Museu Nacional. Version 1.33. Museu Nacional / UFRJ. Occurrence Dataset https://doi.org/10.15468/3qpd4g accessed via GBIF.org.
Kerbs, B., Schulenberg, J. (2016). H.A. Stephens Herbarium. Version 29.1. Emporia State University. Occurrence Dataset https://doi.org/10.15468/k3m1qc accessed via GBIF.org.
Kluse, J. (2017). LSU Shirley C. Tucker Herbarium at Louisiana State University - Vascular Plants. Louisiana State University Herbarium. Occurrence Dataset https://doi.org/10.15468/xxoo68 accessed via GBIF.org.
Knoben, R., van der Wal B (2015). Dutch Foundation for Applied Water Research (STOWA) - Limnodata Neerlandica. Dutch Foundation for Applied Water Research. Occurrence Dataset https://doi.org/10.15468/ennulm accessed via GBIF.org.
Korea Institute of Science and Technology Information (2017). Plant Living in Water (KIDR-PL). Occurrence Dataset https://doi.org/10.15468/rs80dh accessed via GBIF.org.
Korea Institute of Science and Technology Information. Korean Aquatic Vascular Plants. Occurrence Dataset https://doi.org/10.15468/pctzlx accessed via GBIF.org.
Korea National Arboretum (Korea Forest Service). Plant. Occurrence Dataset https://doi.org/10.15468/e2luor accessed via GBIF.org.
Korean Aquatic Plant Resources and Information Bank. Plant Systematics Laboratory, Ajou University, Korea. Occurrence Dataset https://doi.org/10.15468/fudzr5 accessed via GBIF.org.
137
Kuntsi, S., Koskela T (2013). Herbarium of Jyväskylä University Museum. Jyväskylä University Museum - The Section of Natural Sciences. Occurrence Dataset https://doi.org/10.15468/hziovr accessed via GBIF.org.
Labiak, P. (2017). UPCB - Herbário do Departamento de Botânica. Version 1.32. Universidade Federal do Paraná. Occurrence Dataset https://doi.org/10.15468/udpvi1 accessed via GBIF.org.
Lancashire Environment Record Network (2017). LERN Records. Occurrence Dataset https://doi.org/10.15468/esxc9a accessed via GBIF.org.
León de la Luz J L, Ramos Rivera, P. (2017). Inventario florístico en Baja California Sur: Región del Cabo e Islas adyacentes. Version 1.3. Comisión nacional para el conocimiento y uso de la biodiversidad. Occurrence Dataset https://doi.org/10.15468/l8ahkz accessed via GBIF.org.
León de la Luz J L, Ramos Rivera, P. (2017). Inventario florístico en la zona de Bahía Magdalena e islas adyacentes, Baja California Sur. Version 1.3. Comisión nacional para el conocimiento y uso de la biodiversidad. Occurrence Dataset https://doi.org/10.15468/eidraf accessed via GBIF.org.
León de la Luz J, L., Ramos Rivera, P. (2017). Inventarios florísticos en Baja California Sur (II): Vegetación costera. Version 1.3. Comisión nacional para el conocimiento y uso de la biodiversidad. Occurrence Dataset https://doi.org/10.15468/ltxyd4 accessed via GBIF.org.
Liu, Q., xu, Z. (2014). Plant Specimen from Herbarium (NAS) in China, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences. Chinese Academy of Sciences (CAS). Occurrence Dataset https://doi.org/10.15468/r2la8h accessed via GBIF.org.
Liu, Y., xu, Z. (2014). Plant Specimen from Herbarium (IBK) in China, Guangxi Institute of Botany, Chinese Academy of Sciences. Chinese Academy of Sciences (CAS). Occurrence Dataset https://doi.org/10.15468/dk5gko accessed via GBIF.org.
Lorea Hernández, F., Ramos Rivera, P. (2017). Actualización de las bases de datos del Herbario XAL. Fase III. Version 1.3. Comisión nacional para el conocimiento y uso de la biodiversidad. Occurrence Dataset https://doi.org/10.15468/fgt1nt accessed via GBIF.org.
Lorn Natural History Group (2017). LNHG Biological Records Dataset. Occurrence Dataset https://doi.org/10.15468/ejve6c accessed via GBIF.org.
Mackay, K. (2017). Marine biological observation data from coastal and offshore surveys around New Zealand. The National Institute of Water and Atmospheric Research (NIWA). Occurrence Dataset https://doi.org/10.15468/pzpgop accessed via GBIF.org.
Mackay, K. (2017). Records from the NIWA AllSeaBio marine biology database. The National Institute of Water and Atmospheric Research (NIWA). Occurrence Dataset https://doi.org/10.15468/7y1efw accessed via GBIF.org.
Magill, B., Solomon J, Stimmel H (2016). Tropicos Specimen Data. Missouri Botanical Garden. Occurrence Dataset https://doi.org/10.15468/hja69f accessed via GBIF.org.
Manx Biological Recording Partnership (2017). Isle of Man wildlife records from 01/01/2000 to 13/02/2017. Occurrence Dataset https://doi.org/10.15468/mopwow accessed via GBIF.org.
Marcondes-Ferreira, W. (2017). UEC - Herbário da Universidade Estadual de Campinas. Version 1.33. Universidade Estadual de Campinas - Instituto de Biologia. Occurrence Dataset https://doi.org/10.15468/4hnsz8 accessed via GBIF.org.
Maria Zanin, E. (2017). HPBR - Herbário Padre Balduino Rambo. Version 1.32. Universidade Regional Integrada do Alto Uruguai e das Missões. Occurrence Dataset https://doi.org/10.15468/6cvp75 accessed via GBIF.org.
Marine Biological Association (2017). DASSH Data Archive Centre Academic Surveys. Occurrence Dataset https://doi.org/10.15468/cwqszy accessed via GBIF.org.
Marine Biological Association (2017). DASSH Data Archive Centre volunteer sightings records. Occurrence Dataset https://doi.org/10.15468/xwiw3h accessed via GBIF.org.
Marine Biological Association (2017). DASSH Data Archive Centre volunteer survey data. Occurrence Dataset https://doi.org/10.15468/pjowth accessed via GBIF.org.
Martin, P., Heughebaert, A. (2017). Herbarium of Namur. Université de Namur Département de Biologie. Occurrence Dataset https://doi.org/10.15468/xy0eoi accessed via GBIF.org.
Martínez Hernández, E., Ramos Rivera, P. (2017). Propuesta para sistematizar la colección palinológica de polen reciente y fósil del IGLUNAM. Version 1.3. Comisión nacional para el conocimiento y uso de la biodiversidad. Occurrence Dataset https://doi.org/10.15468/qhexci accessed via GBIF.org.
138
Mayfield, T. (2017). UTEP Plants (Arctos). Version 5.8. University of Texas at El Paso Biodiversity Collections. Occurrence Dataset https://doi.org/10.15468/yhb6ky accessed via GBIF.org.
Medina Domingo, L., Aedo Pérez, C. (2017). CSIC-Real Jardín Botánico-Anthos. Sistema de Información de las Plantas de España. CSIC-Real Jardín Botánico. Occurrence Dataset https://doi.org/10.15468/4wnutv accessed via GBIF.org.
Merediz Alonso, G., Ramos Rivera, P. (2017). Caracterización y monitoreo de la condición arrecifal en cinco áreas naturales protegidas y un área de influencia de Quintana Roo, México: Primera etapa. Version 1.3. Comisión nacional para el conocimiento y uso de la biodiversidad. Occurrence Dataset https://doi.org/10.15468/yx7eck accessed via GBIF.org.
Merseyside BioBank (2017). Merseyside BioBank (verified). Occurrence Dataset https://doi.org/10.15468/ar0p6s accessed via GBIF.org.
MNHN - Museum national d'Histoire naturelle (2017). Herbarium specimens, Harmas J.H. Fabre (FABR - Sérignan-du-Comtat) of the Muséum national d'Histoire naturelle (MNHN - Paris). Version 71.40. Occurrence Dataset https://doi.org/10.15468/n46mqt accessed via GBIF.org.
MNHN - Museum national d'Histoire naturelle (2017). The cryptogamy collection (PC) at the Herbarium of the Muséum national d'Histoire Naturelle (MNHN - Paris). Version 70.40. Occurrence Dataset https://doi.org/10.15468/mywiem accessed via GBIF.org.
MNHN - Museum national d'Histoire naturelle (2017). The fossil collection (F) of the Muséum national d'Histoire naturelle (MNHN - Paris). Version 68.40. Occurrence Dataset https://doi.org/10.15468/fjjmkb accessed via GBIF.org.
MNHN - Museum national d'Histoire naturelle (2017). The vascular plants collection (P) at the Herbarium of the Muséum national d'Histoire Naturelle (MNHN - Paris). Version 69.41. Occurrence Dataset https://doi.org/10.15468/nc6rxy accessed via GBIF.org.
Moeslund, J. E., (2016). Vegetation data from protected areas in Denmark (§ 3 in the Danish Nature Protection Act). Version 8.1. Department of Bioscience, Aarhus University. Occurrence Dataset https://doi.org/10.15468/ar7pbr accessed via GBIF.org.
Mohamed Vall, A., Heughebaert, A. (2014). Herbier National de Mauritanie (HNM). Ecole Normale Supérieure de Nouakchott. Occurrence Dataset https://doi.org/10.15468/mz2hp2 accessed via GBIF.org.
Mora Olivo, A., Ramos Rivera, P. (2017). Flora vascular acuática de la cuenca del Río Tamesí. Comisión nacional para el conocimiento y uso de la biodiversidad. Occurrence Dataset https://doi.org/10.15468/rxgcq7 accessed via GBIF.org.
Morse, C. (2017). R. L. McGregor Herbarium Vascular Plants Collection. University of Kansas Biodiversity Institute. Occurrence Dataset https://doi.org/10.15468/htptzr accessed via GBIF.org.
Murakami, M. (2016). Herbarium Specimens of Bonin and Ryukyu Islands. National Institute of Genetics, ROIS. Occurrence Dataset https://doi.org/10.15468/yemvyg accessed via GBIF.org.
Museo Nacional de Costa Rica. herbario. Occurrence Dataset https://doi.org/10.15468/yhvbj8 accessed via GBIF.org.
Muséum d'Histoire Naturelle d'Autun, Herbarium (2017). Herbarium specimens of the Muséum d'Histoire Naturelle d'Autun (AUT). Version 73.41. Occurrence Dataset https://doi.org/10.15468/adpp0x accessed via GBIF.org.
Museum d'Histoire Naturelle of Aix-en-Provence, Herbarium (2017). Herbarium specimens of the Muséum d'Histoire Naturelle of Aix-en-Provence (AIX). Version 70.40. Occurrence Dataset https://doi.org/10.15468/fqykeb accessed via GBIF.org.
Museum für Naturkunde Berlin. MfN - Fossil plants (Cenophytic). Occurrence Dataset https://doi.org/10.15468/nu14br accessed via GBIF.org.
N/A N, Ramos Rivera, P. (2017). Base de datos de los pastos marinos mexicanos. Version 1.4. Comisión nacional para el conocimiento y uso de la biodiversidad. Occurrence Dataset https://doi.org/10.15468/cimce6 accessed via GBIF.org.
NA N (2012). Institut Menorquí d'Estudis. Herbarium Generale Minoricae: HGM. GBIF-Spain. Occurrence Dataset https://doi.org/10.15468/gww8x8 accessed via GBIF.org.
NA N (2012). Universidad de Navarra, Herbarium: PAMP-Vascular Plants. GBIF-Spain. Occurrence Dataset https://doi.org/10.15468/cerrll accessed via GBIF.org.
139
NA N (2013). Base de datos de plantas vasculares del País Vasco: ARAN-EH. Aranzadi Science Society. Occurrence Dataset https://doi.org/10.15468/m86bzk accessed via GBIF.org on 2017-12-08
NA N (2013). Herbario del Jardín Botánico-Histórico La Concepción: HBC. GBIF-Spain. Occurrence Dataset https://doi.org/10.15468/vfvnmu accessed via GBIF.org.
NA N (2013). Institut Menorquí d'Estudis. Colección Histórica de Rodríguez Femenías, Herbarium Generale Minoricae: HGM-Femenias. GBIF-Spain. Occurrence Dataset https://doi.org/10.15468/e3qpdo accessed via GBIF.org.
National Biodiversity Data Centre (2017). Coastal and marine species. Occurrence Dataset https://doi.org/10.15468/oynwkx accessed via GBIF.org.
National Biodiversity Data Centre (2017). Ireland's BioBlitz. Occurrence Dataset https://doi.org/10.15468/aiiz3z accessed via GBIF.org.
National Biodiversity Data Centre (2017). Marine sites, habitats and species data collected during the BioMar survey of Ireland.. Occurrence Dataset https://doi.org/10.15468/cr7gvs accessed via GBIF.org.
National Biodiversity Data Centre (2017). Online Atlas of vascular plants 2012-2020. Occurrence Dataset https://doi.org/10.15468/qaevz2 accessed via GBIF.org.
National Chemical Laboratory. IndOBIS, Indian Ocean Node of OBIS. Occurrence Dataset https://doi.org/10.15468/tbedgi accessed via GBIF.org.
National Herbarium of New South Wales. Plants of Papua New Guinea. Occurrence Dataset https://doi.org/10.15468/adw1tp accessed via GBIF.org.
National Museum of Nature and Science, Japan. FKSE-Herbarium specimens of Faculty of Symbiotic Systems Science, Fukushima University, Japan. Occurrence Dataset https://doi.org/10.15468/n1fv2k accessed via GBIF.org.
National Museum of Nature and Science, Japan. Herbarium of Kitakyushu Museum of Natural History and Human History. Occurrence Dataset https://doi.org/10.15468/upoyz1 accessed via GBIF.org.
National Museum of Nature and Science, Japan. Herbarium Specimens of Museum of Nature and Human Activities, Hyogo Prefecture, Japan. Occurrence Dataset https://doi.org/10.15468/sqctqh accessed via GBIF.org.
National Museum of Nature and Science, Japan. Herbarium Specimens of Tokushima Prefectural Museum, Japan. Occurrence Dataset https://doi.org/10.15468/f2r5wy accessed via GBIF.org.
National Museum of Nature and Science, Japan. Ibaraki Nature Museum, Algae collection. Occurrence Dataset https://doi.org/10.15468/tdqeow accessed via GBIF.org.
National Museum of Nature and Science, Japan. Ibaraki Nature Museum, Vascular Plants collection. Occurrence Dataset https://doi.org/10.15468/klkpr3 accessed via GBIF.org.
National Museum of Nature and Science, Japan. Kochi Prefectural Makino Botanical Garden. Occurrence Dataset https://doi.org/10.15468/myfnxe accessed via GBIF.org.
National Museum of Nature and Science, Japan. Plant Specimens collections of the Kyushu UNniversity Museum. Occurrence Dataset https://doi.org/10.15468/f31qvn accessed via GBIF.org.
National Museum of Nature and Science, Japan. Plant specimens depodited in Osaka Museum of Natural History, Japan.. Occurrence Dataset https://doi.org/10.15468/sythrh accessed via GBIF.org.
National Museum of Nature and Science, Japan. Plant Specimens of Kurashiki Museum of Natural History. Occurrence Dataset https://doi.org/10.15468/cgm3js accessed via GBIF.org.
National Museum of Nature and Science, Japan. Plant Specimens of The Shimane Nature Museum of Mt. Sanbe. Occurrence Dataset https://doi.org/10.15468/prftiy accessed via GBIF.org.
National Museum of Nature and Science, Japan. Tracheophyta collection of Biodiversity Center of Japan, Ministry of Environment. Occurrence Dataset https://doi.org/10.15468/iss3vf accessed via GBIF.org.
National Museum of Nature and Science, Japan. Vascular Plant Specimen Database of Kanagawa Prefectural Museum of Natural History. Occurrence Dataset https://doi.org/10.15468/c7c9qa accessed via GBIF.org.
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National Museum of Nature and Science, Japan. Vascular plant specimens of Akita Prefectural Museum. Occurrence Dataset https://doi.org/10.15468/gelr6b accessed via GBIF.org.
National Museum of Nature and Science, Japan. Vascular Plants Collection of Sagamihara City Museum. Occurrence Dataset https://doi.org/10.15468/0npzcg accessed via GBIF.org.
National Science Museum of Korea (2017). Plant (NSMK-PL). Occurrence Dataset https://doi.org/10.15468/yjyp4c accessed via GBIF.org.
National Trust (2017). National Trust Species Records. Occurrence Dataset https://doi.org/10.15468/opc6g1 accessed via GBIF.org.
National Trust for Scotland (2017). National Trust for Scotland Species Records. Occurrence Dataset https://doi.org/10.15468/a5y1cz accessed via GBIF.org.
Natural England (2017). Marine Nature Conservation Review (MNCR) and associated benthic marine data held and managed by English Nature. Occurrence Dataset https://doi.org/10.15468/2vttzr accessed via GBIF.org.
Natural England (2017). Natural England Marine Monitoring surveys. Occurrence Dataset https://doi.org/10.15468/ysikg5 accessed via GBIF.org.
Natural History Museum (2017). Natural History Museum (London) Collection Specimens. Occurrence Dataset https://doi.org/10.5519/0002965 accessed via GBIF.org.
Natural History Museum, University of Oslo (2017). Rådgivende Biologer. Version 33.78. Occurrence Dataset https://doi.org/10.15468/tqxvcg accessed via GBIF.org.
Natural History Museum, University of Oslo (2017). Red list project inventory, vascular plants. Version 1.101. Occurrence Dataset https://doi.org/10.15468/nema2n accessed via GBIF.org.
Natural History Museum, University of Oslo (2017). Vascular plant herbarium, Agder naturmuseum og botaniske hage. Version 1.401. Occurrence Dataset https://doi.org/10.15468/2g6i0v accessed via GBIF.org.
Natural History Museum, University of Oslo (2017). Vascular Plant Herbarium, Oslo (O). Version 1.392. Occurrence Dataset https://doi.org/10.15468/wtlymk accessed via GBIF.org.
Natural History Museum, University of Oslo (2017). Vascular Plants, Field notes, Oslo (O). Version 1.101. Occurrence Dataset https://doi.org/10.15468/w8gru5 accessed via GBIF.org.
Natural History Museum, University of Oslo (2017). Vascular Plants, Observations, Oslo (O). Version 1.102. Occurrence Dataset https://doi.org/10.15468/tvnjk7 accessed via GBIF.org.
Natural History Museum, Vienna - Herbarium W. Natural History Museum, Vienna - Herbarium W. Occurrence Dataset https://doi.org/10.15468/5sl7sh accessed via GBIF.org.
Natural Resources Wales (2017). Marine data from Natural Resources Wales (NRW) Technical Support (Research & Monitoring) Contracts, Wales. Occurrence Dataset https://doi.org/10.15468/az7nw3 accessed via GBIF.org.
Natural Resources Wales (2017). Marine Intertidal Phase 1 Species Dataset from the Countryside Council for Wales 1996-2005. Occurrence Dataset https://doi.org/10.15468/kflo7m accessed via GBIF.org.
Natural Resources Wales (2017). Marine Records from Pembrokeshire Marine Species Atlas. Occurrence Dataset https://doi.org/10.15468/42yudm accessed via GBIF.org.
Neil, K., Mackay, K. (2017). Rhodolith Beds in Northern New Zealand: Characterisation of Associated Biodiversity. Version 1.6. The National Institute of Water and Atmospheric Research (NIWA). Sampling_event Dataset https://doi.org/10.15468/3zyorf accessed via GBIF.org.
Newell, R., Pufahl, C., Richard, J. (2014). E. C. Smith Herbarium (ACAD). Acadia University. Occurrence Dataset https://doi.org/10.15468/zc4csq accessed via GBIF.org.
Norfolk Biodiversity Information Service (2017). NBIS Records to December 2016. Occurrence Dataset https://doi.org/10.15468/jca5lo accessed via GBIF.org.
Northern Territory Department of Land Resource Management (2017). Flora Atlas N.T.. Occurrence Dataset https://doi.org/10.15468/d5o7bf accessed via GBIF.org.
Norwegian University of Life Sciences (NMBU), Faculty of Environmental Sciences and Natural Resource Management (2017). Vascular Herbarium, NMBU. Version 1.100. Occurrence Dataset https://doi.org/10.15468/mbhmmt accessed via GBIF.org.
Novelo Retana A, Ramos Rivera P (2017). Computarización de la colección de plantas acuáticas mexicanas del Herbario Nacional (MEXU), 2da Etapa. Comisión nacional para el conocimiento y
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uso de la biodiversidad. Occurrence Dataset https://doi.org/10.15468/9uut5l accessed via GBIF.org.
Novelo Retana A, Ramos Rivera P (2017). Computarización de la Colección de plantas acuáticas mexicanas del Herbario Nacional (MEXU), 3a Etapa. Version 1.3. Comisión nacional para el conocimiento y uso de la biodiversidad. Occurrence Dataset https://doi.org/10.15468/ebnhtg accessed via GBIF.org on 2017-12-08
Novelo Retana A, Ramos Rivera P (2017). Computarización de la colección de plantas acuáticas mexicanas del Herbario Nacional (MEXU). Version 1.3. Comisión nacional para el conocimiento y uso de la biodiversidad. Occurrence Dataset https://doi.org/10.15468/9ock6w accessed via GBIF.org.
Novelo Retana A, Ramos Rivera P (2017). Inventario de la vegetación acuática vascular de cuatro regiones hidrológicas prioritarias del centro de México. Version 1.3. Comisión nacional para el conocimiento y uso de la biodiversidad. Occurrence Dataset https://doi.org/10.15468/8sb6ho accessed via GBIF.org.
NTNU University Museum (2017). Vascular plant field notes, NTNU University Museum. Version 1.92. Occurrence Dataset https://doi.org/10.15468/kkb2x0 accessed via GBIF.org.
NTNU University Museum (2017). Vascular plant herbarium, NTNU University Museum. Version 30.372. Occurrence Dataset https://doi.org/10.15468/zrlqok accessed via GBIF.org.
Nualart N (2017). Dataset of herbarium specimens of threatened vascular plants in Catalonia. Version 2.2. Herbarium specimens of threatened vascular plants in Catalonia. Occurrence Dataset https://doi.org/10.15470/sqanal accessed via GBIF.org.
Ocean Biogeographic Information System. A Biological Survey of the Waters of Woods Hole and Vacinity. Occurrence Dataset https://doi.org/10.15468/bxmxx0 accessed via GBIF.org.
Ocean Biogeographic Information System. BioMar (EurOBIS). Occurrence Dataset https://doi.org/10.15468/tx3yvy accessed via GBIF.org.
Ocean Biogeographic Information System. MarBEF Publication Series data (EurOBIS). Occurrence Dataset https://doi.org/10.15468/ag5prb accessed via GBIF.org.
Ocean Biogeographic Information System. Natural Geography In Shore Areas (NaGISA) Dataset. Occurrence Dataset https://doi.org/10.15468/5uprth accessed via GBIF.org.
Ocean Biogeographic Information System. South Western Pacific Regional OBIS Data All Sea Bio Subset (South Western P acific OBIS). Occurrence Dataset https://doi.org/10.15468/rqxetf accessed via GBIF.org.
Office of Environment & Heritage (2017). OEH Atlas of NSW Wildlife. Occurrence Dataset https://doi.org/10.15468/14jd9g accessed via GBIF.org.
Oklahoma Vascular Plants Database Provider. Oklahoma Vascular Plants Database Provider. Occurrence Dataset https://doi.org/10.15468/i9cerk accessed via GBIF.org.
Oregon State University. Vascular Plant Collection. Occurrence Dataset https://doi.org/10.15468/2bmt3a accessed via GBIF.org.
Orrell, T., Hollowell, T. (2017). NMNH Extant Specimen Records. Version 1.11. National Museum of Natural History, Smithsonian Institution. Occurrence Dataset https://doi.org/10.15468/hnhrg3 accessed via GBIF.org.
Paganucci Queiroz, L. (2017). HUEFS - Herbario da Universidade Estadual de Feira de Santana. Version 1.31. Universidade Estadual de Feira de Santana. Occurrence Dataset https://doi.org/10.15468/6ymx97 accessed via GBIF.org.
Panero, J. L., Ramos Rivera, P. (2017). Catálogo electrónico de especímenes depositados en el Herbario de la Universidad de Texas en Austin, Fase IV. Version 1.3. Comisión nacional para el conocimiento y uso de la biodiversidad. Occurrence Dataset https://doi.org/10.15468/rr9u8o accessed via GBIF.org.
Panero, J. L., Ramos Rivera, P. (2017). Catálogo electrónico de especímenes depositados en el Herbario de la Universidad de Texas en Austin, Fase IV. Version 1.3. Comisión nacional para el conocimiento y uso de la biodiversidad. Occurrence Dataset https://doi.org/10.15468/rr9u8o accessed via GBIF.org.
PANGAEA - Publishing Network for Geoscientific and Environmental Data. Abundance of macrobenthos organisms in the northern Wadden Sea in 2007. Occurrence Dataset https://doi.org/10.1594/pangaea.755036 accessed via GBIF.org.
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PANGAEA - Publishing Network for Geoscientific and Environmental Data. Abundance of macrobenthos organisms in the northern Wadden Sea in 2008. Occurrence Dataset https://doi.org/10.1594/pangaea.755037 accessed via GBIF.org.
PANGAEA - Publishing Network for Geoscientific and Environmental Data. Abundance of macrobenthos organisms in the northern Wadden Sea in 2009. Occurrence Dataset https://doi.org/10.1594/pangaea.755038 accessed via GBIF.org.
PANGAEA - Publishing Network for Geoscientific and Environmental Data. Abundance of macrobenthos organisms in the northern Wadden Sea in 2010. Occurrence Dataset https://doi.org/10.1594/pangaea.755039 accessed via GBIF.org.
Paulay, G., Brown, W. (2017). UF Invertebrate Zoology. Florida Museum of Natural History. Occurrence Dataset https://doi.org/10.15468/sm6qo6 accessed via GBIF.org.
Pavis, C., Nuissier, F. (2012). Guadeloupe_Herbier. INRA Antilles-Guyane. Occurrence Dataset https://doi.org/10.15468/0lfcom accessed via GBIF.org.
Peng, C. (2014). Database of Native Plants in Taiwan. TELDAP. Occurrence Dataset https://doi.org/10.15468/h1txwb accessed via GBIF.org.
Pereira e Lyra Lemos, R. (2017). MAC - Herbário do Instituto do Meio Ambiente do Estado de Alagoas. Version 1.34. Instituto do Meio Ambiente do Estado de Alagoas. Occurrence Dataset https://doi.org/10.15468/kpsugm accessed via GBIF.org.
Pérez Navarro, J. J, Ramos Rivera, P. (2017). El banco de datos del Herbario HCIB en línea (Fase I): Implementación del Sistema Biótica. Version 1.3. Comisión nacional para el conocimiento y uso de la biodiversidad. Occurrence Dataset https://doi.org/10.15468/doghxc accessed via GBIF.org.
Perkins, K. D. (2017). University of Florida Herbarium (FLAS). Version 11.168. Florida Museum of Natural History. Occurrence Dataset https://doi.org/10.15468/v5wjn7 accessed via GBIF.org.
Pino Pérez, R. (2015). Herbario de Plantas Vasculares de la Asociación BIGA para el estudio del patrimonio natural de Galicia: FBIGA. Colecciones naturales de la Asociación BIGA para el estudio del patrimonio natural de Galicia: FBIGA y ABIGA.. Occurrence Dataset https://doi.org/10.15468/3a8kec accessed via GBIF.org.
Pitcher, R. (2016). CSIRO, Benthic Plant Invertebrate and Fish Biodiversity, Great Barrier Reef, Northeast Australia, 2003-2006. CSIRO Oceans and Atmosphere. Occurrence Dataset https://doi.org/10.15468/25cbe3 accessed via GBIF.org.
PlutoF (2017). Estonian Museum of Natural History. Version 1.13. Occurrence Dataset https://doi.org/10.15156/bio/587442 accessed via GBIF.org.
PlutoF (2017). Estonian University of Life Sciences. Version 1.13. Occurrence Dataset https://doi.org/10.15156/bio/587441 accessed via GBIF.org.
PlutoF (2017). Natural History Museum, University of Tartu. Version 1.18. Occurrence Dataset https://doi.org/10.15156/bio/587444 accessed via GBIF.org.
PlutoF (2017). PlutoF platform reference-based occurrences. Version 1.11. Occurrence Dataset https://doi.org/10.15468/e15jve accessed via GBIF.org.
Porcupine Marine Natural History Society (2017). Marine flora and fauna records from the North-east Atlantic. Occurrence Dataset https://doi.org/10.15468/pcmg9q accessed via GBIF.org.
Pyle, R. (2016). Bernice P. Bishop Museum. Version 8.1. Bernice Pauahi Bishop Museum. Occurrence Dataset https://doi.org/10.15468/s6ctus accessed via GBIF.org.
Queensland Museum (2017). Queensland Museum provider for OZCAM. Occurrence Dataset https://doi.org/10.15468/lotsye accessed via GBIF.org.
Ragupathy, S. (2016). OAC-BIO Herbarium. Version 2.1. University of Guelph. Occurrence Dataset https://doi.org/10.5886/66f3rsta accessed via GBIF.org.
Ramirez, J., Tulig, M. (2015). The New York Botanical Garden Herbarium (NY) - Vascular Plant Collection. Version 2.1. The New York Botanical Garden. Occurrence Dataset https://doi.org/10.15468/6e8nje accessed via GBIF.org.
Ranz, J. (2017). Banco de Datos de la Biodiversidad de la Comunitat Valenciana. Biodiversity data bank of Generalitat Valenciana. Occurrence Dataset https://doi.org/10.15468/b4yqdy accessed via GBIF.org.
Record (2017). RECORD Vascular Plant Data. Occurrence Dataset https://doi.org/10.15468/nmdcir accessed via GBIF.org.
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Renata Scalon, V. (2017). OUPR - Herbário "Professor José Badini". Version 1.32. Universidade Federal de Ouro Preto. Occurrence Dataset https://doi.org/10.15468/gg0o1b accessed via GBIF.org.
Riemann González, H., Ramos Rivera, P. (2017). Riqueza y distribución de especies vegetales en la Península de Baja California. Comisión nacional para el conocimiento y uso de la biodiversidad. Occurrence Dataset https://doi.org/10.15468/swgqdk accessed via GBIF.org.
Robblee, M., Benson, A. (2016). USGS South Florida Fish and Invertebrate Assessment Network Braun Blanquet. United States Geological Survey. Occurrence Dataset https://doi.org/10.15468/o1z5ha accessed via GBIF.org.
Roque, N. (2017). ALCB - Herbário Alexandre Leal Costa. Version 1.41. Universidade Federal da Bahia. Occurrence Dataset https://doi.org/10.15468/wogetb accessed via GBIF.org.
Royal Botanic Garden Edinburgh (2017). Royal Botanic Garden Edinburgh Herbarium (E). Occurrence Dataset https://doi.org/10.15468/ypoair accessed via GBIF.org.
Royal Botanic Gardens, Kew (2016). Royal Botanic Gardens, Kew - Herbarium Specimens. Occurrence Dataset https://doi.org/10.15468/ly60bx accessed via GBIF.org.
Condack, S. J. P. (2017). FCAB - Herbário Friburguense. Version 1.34. Pontifícia Universidade Católica do Rio de Janeiro. Occurrence Dataset https://doi.org/10.15468/vd8xjc accessed via GBIF.org.
Saelao, T., Tuntiprapas, P. (2017). PSU-Seagrass Collection. Version 1.3. Princess Maha Chakri Sirindhorn Natural History Museum (PSU Museum, Prince of Songkla University, Thailand). Occurrence Dataset https://doi.org/10.15468/pkerjl accessed via GBIF.org.
Salete Marchioretto M (2017). PACA-AGP - Herbarium Anchieta. Version 1.32. Instituto Anchietano de Pesquisas/UNISINOS. Occurrence Dataset https://doi.org/10.15468/qchxtg accessed via GBIF.org.
School of Forestry Engineering. Technical University of Madrid (2015). Herbario EMMA. Herbario de la Escuela Técnica Superior de Ingenieros de Montes. UPM. Occurrence Dataset https://doi.org/10.15468/oasg9o accessed via GBIF.org.
Scientific Research Centre of the Slovenian Academy of Sciences and Arts, Institute of Biology. FloVegSI - Floristical and fitocenological database of ZRC SAZU. Occurrence Dataset https://doi.org/10.15468/v3vxya accessed via GBIF.org.
Scottish Natural Heritage (2017). Species data for Scottish waters held and managed by Scottish Natural Heritage, derived from benthic surveys 1993 to 2014. Occurrence Dataset https://doi.org/10.15468/faxvgd accessed via GBIF.org.
Scottish Natural Heritage (2017). Standing Waters Database - Scotland. Occurrence Dataset https://doi.org/10.15468/iwllx8 accessed via GBIF.org.
Scottish Wildlife Trust (2017). Commissioned surveys and staff surveys and reports for Scottish Wildlife Trust reserves - Verified data. Occurrence Dataset https://doi.org/10.15468/a6snhl accessed via GBIF.org.
Seasearch (2017). Seasearch Marine Surveys in England. Occurrence Dataset https://doi.org/10.15468/kywx6m accessed via GBIF.org.
Seasearch (2017). Seasearch Marine Surveys in Ireland. Occurrence Dataset https://doi.org/10.15468/pyugge accessed via GBIF.org.
Seasearch (2017). Seasearch Marine Surveys in Scotland. Occurrence Dataset https://doi.org/10.15468/0hyjxi accessed via GBIF.org.
Seasearch (2017). Seasearch Marine Surveys in the Channel Islands. Occurrence Dataset https://doi.org/10.15468/0ppp4p accessed via GBIF.org.
Seasearch (2017). Seasearch Marine Surveys in the Isle of Man. Occurrence Dataset https://doi.org/10.15468/mxkbcg accessed via GBIF.org.
Seasearch (2017). Seasearch Marine Surveys in Wales. Occurrence Dataset https://doi.org/10.15468/4us2hk accessed via GBIF.org.
Senckenberg. Herbarium Senckenbergianum (FR) - Fungi. Occurrence Dataset https://doi.org/10.15468/0oaq5v accessed via GBIF.org.
Shah, M., Coulson, S. (2017). Artportalen (Swedish Species Observation System). Version 92.89. ArtDatabanken. Occurrence Dataset https://doi.org/10.15468/kllkyl accessed via GBIF.org.
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Shah, M., Wikström, N. (2016). The Bergius Herbarium. Version 1.1. GBIF-Sweden. Occurrence Dataset https://doi.org/10.15468/mqwnmj accessed via GBIF.org.
Slieker, F. J., Beuk, P. (2014). Natural History Museum Maastricht (NL) - Herbarium. Natural History Museum Maastricht. Occurrence Dataset https://doi.org/10.15468/npk1o5 accessed via GBIF.org.
Sóller Botanical Garden Foundation. Hortus Botanicus Sollerensis Herbarium (FBonafè). Occurrence Dataset https://doi.org/10.15468/ghnxdi accessed via GBIF.org.
South African National Biodiversity Institute. PRECIS (KwaZulu-Natal Herbarium). Occurrence Dataset https://doi.org/10.15468/wbw5v0 accessed via GBIF.org.
South African National Biodiversity Institute. Precis Plant Data. Occurrence Dataset https://doi.org/10.15468/qfcykq accessed via GBIF.org.
South African National Biodiversity Institute. PRECIS. Occurrence Dataset https://doi.org/10.15468/rckmn2 accessed via GBIF.org.
South Australia, Department of Environment, Water and Natural Resources (2017). SA Flora (BDBSA). Occurrence Dataset https://doi.org/10.15468/af24d8 accessed via GBIF.org.
South East Wales Biodiversity Records Centre (2017). SEWBReC Vascular Plants (South East Wales). Occurrence Dataset https://doi.org/10.15468/7qjujd accessed via GBIF.org.
Sparrius L, van der Hoorn B (2016). FLORIVON. Version 11.5. Dutch Foundation for Botanical Research (FLORON). Occurrence Dataset https://doi.org/10.15468/ke2ody accessed via GBIF.org.
SPN - Service du Patrimoine naturel, Muséum national d'Histoire naturelle, Paris (2012). Inventaire National du Patrimoine Naturel : Espèces Végétales Menacées de France métropolitaine. Occurrence Dataset https://doi.org/10.15468/uhrhsz accessed via GBIF.org.
SPN - Service du Patrimoine naturel, Muséum national d'Histoire naturelle, Paris (2012). Inventaire National du Patrimoine Naturel : Flore d'Ille-et-Vilaine. Occurrence Dataset https://doi.org/10.15468/bphv73 accessed via GBIF.org.
SPN - Service du Patrimoine naturel, Muséum national d'Histoire naturelle, Paris (2012). Inventaire National du Patrimoine Naturel : Flore du Massif Armoricain. Occurrence Dataset https://doi.org/10.15468/xywlgm accessed via GBIF.org.
SPN - Service du Patrimoine naturel, Muséum national d'Histoire naturelle, Paris (2012). Inventaire National du Patrimoine Naturel : Flore Franco-Belge. Occurrence Dataset https://doi.org/10.15468/vhpkbn accessed via GBIF.org.
SPN - Service du Patrimoine naturel, Muséum national d'Histoire naturelle, Paris (2013). Inventaire National du Patrimoine Naturel : Programme CARTHAM: Inventaire biologique dans le cadre de Natura 2000 en Mer. Occurrence Dataset https://doi.org/10.15468/ehnrif accessed via GBIF.org.
Staatliche Naturwissenschaftliche Sammlungen Bayerns. Fungus Collections at Staatliches Museum für Naturkunde Karlsruhe (Herbarium KR). Occurrence Dataset https://doi.org/10.15468/0bhhip accessed via GBIF.org.
Staatliche Naturwissenschaftliche Sammlungen Bayerns. The Vascular Plant Collection at the Botanische Staatssammlung München. Occurrence Dataset https://doi.org/10.15468/vgr4kl accessed via GBIF.org.
Steeman, R., Vanreusel, W., Barendse, R., Verloove, F., Wysmantel, N., Van den Bussche, W., Gyselinck, T., Hendrickx, P., Zwaenepoel, A., Van Vooren, P., Desmet, P., Gielen, K., Herremans, M., Swinnen, K. (2017). Waarnemingen.be - Plant occurrences in Flanders and the Brussels Capital Region, Belgium. Version 1.4. Natuurpunt. Occurrence Dataset https://doi.org/10.15468/fyuklz accessed via GBIF.org.
Suffolk Biodiversity Information Service (2017). Suffolk Biodiversity Information Service (SBIS) Dataset. Occurrence Dataset https://doi.org/10.15468/ab4vwo accessed via GBIF.org.
SysTax. SysTax - Herbaria. Occurrence Dataset https://doi.org/10.15468/nkrrd6 accessed via GBIF.org.
Tadeu Weidlich Motta, J., dos Santos Ribas, O. (2017). MBM - Herbário do Museu Botânico Municipal. Version 1.33. Museu Botânico Municipal. Occurrence Dataset https://doi.org/10.15468/g6ppmt accessed via GBIF.org.
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Teixeira de Souza Chies, T., Fernando Prado, J. (2017). ICN - Herbário do Instituto de Ciências Naturais. Version 1.33. Universidade Federal do Rio Grande do Sul. Occurrence Dataset https://doi.org/10.15468/gwuezt accessed via GBIF.org.
Tela Botanica. Carnet en Ligne. Occurrence Dataset https://doi.org/10.15468/rydcn2 accessed via GBIF.org.
Tela Botanica. Phytochorologie des départements français. Occurrence Dataset https://doi.org/10.15468/x3te8g accessed via GBIF.org.
TELDAP. Plantae, TAIF (Taiwan e-Learning and Digital Archives Program, TELDAP). Occurrence Dataset https://doi.org/10.15468/1bq0x1 accessed via GBIF.org.
Telenius, A. (2016). Gothenburg Herbarium - General (GBIF:IH:GB:Herbarium). GBIF-Sweden. Occurrence Dataset https://doi.org/10.15468/afkfpi accessed via GBIF.org.
Telenius, A., Rühling, Å. (2017). Oskarshamn herbarium (OHN). GBIF-Sweden. Occurrence Dataset https://doi.org/10.15468/u5wjib accessed via GBIF.org.
Telenius, A., Shah M (2016). Botany (UPS). GBIF-Sweden. Occurrence Dataset https://doi.org/10.15468/ufmslw accessed via GBIF.org.
Telenius, A., Shah M (2016). Phanerogamic Botanical Collections (S). GBIF-Sweden. Occurrence Dataset https://doi.org/10.15468/yo3mmu accessed via GBIF.org.
Torre Cosío, J., Ramos Rivera, P. (2017). Inventario y monitoreo del Canal de Infiernillo para el comanejo de los recursos marinos en el territorio Seri, Golfo de California. Comisión nacional para el conocimiento y uso de la biodiversidad. Occurrence Dataset https://doi.org/10.15468/upfpik accessed via GBIF.org.
Trock, D., Fong, J. (2017). CAS Botany (BOT). Version 157.103. California Academy of Sciences. Occurrence Dataset https://doi.org/10.15468/7gudyo accessed via GBIF.org.
Tyrrell, C. (2017). MPM Milwaukee Public Museum Herbarium. Version 1.5. Milwaukee Public Museum. Occurrence Dataset https://doi.org/10.15468/sclgzd accessed via GBIF.org.
Uehbe de Oliveira, M. I. (2017). ASE - Herbário da Universidade Federal de Sergipe. Version 1.39. Universidade Federal de Sergipe. Occurrence Dataset https://doi.org/10.15468/urlzfj accessed via GBIF.org.
UiT The Arctic University of Norway (2017). Vascular plant herbarium, Tromsø Museum. Version 1.377. Occurrence Dataset https://doi.org/10.15468/14epds accessed via GBIF.org.
UNIBIO, IBUNAM. MEXU/Colección de Plantas Acuáticas. Occurrence Dataset https://doi.org/10.15468/hze2o4 accessed via GBIF.org.
UNIBIO, IBUNAM. MEXU/Flora de Oaxaca. Occurrence Dataset https://doi.org/10.15468/gkujpl accessed via GBIF.org.
Universität Salzburg. Universität Salzburg. Occurrence Dataset https://doi.org/10.15468/ufqq8d accessed via GBIF.org.
University of Alabama Biodiversity and Systematics. Herbarium (UNA). Occurrence Dataset https://doi.org/10.15468/qy6hkl accessed via GBIF.org.
University of Alberta Museums (2017). University of Alberta Vascular Plant Herbarium (ALTA-VP). Version 10.15. Occurrence Dataset https://doi.org/10.18165/qssyvr accessed via GBIF.org.
University of Bergen (2017). Vascular Plant Herbarium, UiB. Version 4.100. Occurrence Dataset https://doi.org/10.15468/ofn0lf accessed via GBIF.org.
University of Navarre Herbarium Service, Dept. of Natural Environment Sciences, University of Navarre (2017). Herbario de la Universidad Pública de Navarra, Pamplona: UPNA-H. Occurrence Dataset https://doi.org/10.15468/vuqjrw accessed via GBIF.org.
University of Tennessee, Knoxville. EKY_Darwincore. Occurrence Dataset https://doi.org/10.15468/ie14cg accessed via GBIF.org.
University of Tennessee, Knoxville. MISS_DC_01MAR2006. Occurrence Dataset https://doi.org/10.15468/deubpy accessed via GBIF.org.
University of Vienna, Institute for Botany - Herbarium WU. University of Vienna, Institute for Botany - Herbarium WU. Occurrence Dataset https://doi.org/10.15468/tnj8wm accessed via GBIF.org.
University of Warsaw, Botanic Garden. Botanical Garden Collection. Occurrence Dataset https://doi.org/10.15468/sly4je accessed via GBIF.org.
146
University of Washington Burke Museum. Vascular Plant Collection - University of Washington Herbarium (WTU). Occurrence Dataset https://doi.org/10.15468/plngb6 accessed via GBIF.org.
Utah State University. USU-UTC Specimen Database. Occurrence Dataset https://doi.org/10.15468/3ii4qz accessed via GBIF.org.
van der Es H. (2017). Natural History Museum Rotterdam (NL) - Plantae collection. Version 8.6. Natural History Museum Rotterdam. Occurrence Dataset https://doi.org/10.15468/n583ie accessed via GBIF.org.
Van Landuyt, W., Brosens, D. (2017). Florabank1 - A grid-based database on vascular plant distribution in the northern part of Belgium (Flanders and the Brussels Capital region). Version 45.7. Research Institute for Nature and Forest (INBO). Occurrence Dataset https://doi.org/10.3897/phytokeys.12.2849 accessed via GBIF.org.
Van Landuyt, W., Noe, N. (2015). Belgian IFBL Flora Checklists (1939-1971). Belgian Biodiversity Platform. Occurrence Dataset https://doi.org/10.15468/xnlbke accessed via GBIF.org.
Vargas, M. (2016). Plantae of Costa Rica (INBio). Version 1.14. Instituto Nacional de Biodiversidad (INBio), Costa Rica. Occurrence Dataset https://doi.org/10.15468/tgno8a accessed via GBIF.org.
Vega Aviña, R., Ramos Rivera, P. (2017). Catálogo y base de datos preliminar de la flora de Sinaloa. Comisión nacional para el conocimiento y uso de la biodiversidad. Occurrence Dataset https://doi.org/10.15468/rdm1oa accessed via GBIF.org.
Vega Aviña, R., Ramos Rivera, P. (2017). Flora del municipio de Culiacán, Sinaloa. Version 1.3. Comisión nacional para el conocimiento y uso de la biodiversidad. Occurrence Dataset https://doi.org/10.15468/5rt4fv accessed via GBIF.org.
Viana, P. (2016). Museu Paraense Emilio Goeldi Herbarium. Museu Paraense Emílio Goeldi. Occurrence Dataset https://doi.org/10.15468/igjr8k accessed via GBIF.org.
Waterway, M., Martins, K., Larocque, G. (2017). McGill University Herbarium Database. McGill University. Occurrence Dataset https://doi.org/10.5886/srzbj7 accessed via GBIF.org.
West Wales Biodiversity Information Centre (2017). NRW Regional Data: all taxa (excluding sensitive species), West Wales. Occurrence Dataset https://doi.org/10.15468/q3d1hl accessed via GBIF.org.
Williams, J. (2011). Colección de Herbario. Facultad de Ciencias Naturales y Museo - U.N.L.P.. Occurrence Dataset https://doi.org/10.15468/i9bj5r accessed via GBIF.org.
Wilton, A. (2017). Allan Herbarium (CHR). Landcare Research. Occurrence Dataset https://doi.org/10.15468/x5ucvh accessed via GBIF.org.
Wittzell, H., Shah M (2017). Lund Botanical Museum (LD). Lund Botanical Museum (LD). Occurrence Dataset https://doi.org/10.15468/c4w4co accessed via GBIF.org.
Yang, Z., Xu, Z. (2016). Some Plant Specimens from KUN, IBSC, NAS Herbarium in China from 1900 to 1950. Chinese Academy of Sciences (CAS). Occurrence Dataset https://doi.org/10.15468/irnwew accessed via GBIF.org.
Yorkshire Naturalists' Union (2012). Yorkshire Naturalists Union Marine and Coastal Section Records. Occurrence Dataset https://doi.org/10.15468/ajwexx accessed via GBIF.org.
Zamora Crescencio, P., Ramos Rivera, P. (2017). Formación del banco de datos del herbario (UCAM). Comisión nacional para el conocimiento y uso de la biodiversidad. Occurrence Dataset https://doi.org/10.15468/kmt5vo accessed via GBIF.org.
Zannin, (plantas vasculares) A., Alice Neves, (fungos) M., Bonomi Barufi, (algas) J. (2017). FLOR - Herbário do Departamento de Botânica da Universidade Federal de Santa Catarina. Version 1.36. Universidade Federal de Santa Catarina. Occurrence Dataset https://doi.org/10.15468/yaie53 accessed via GBIF.org.
Zhang, X. (2016). Some Plant Specimens from PE Herbarium in China from 1900 to 1950. Chinese Academy of Sciences (CAS). Occurrence Dataset https://doi.org/10.15468/liiipc accessed via GBIF.org.
147
Appendix S.3. 1. The distribution of kelp occurrence records from the (a) OBIS and (b) GBIF (lower) databases. (a)
(b)
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Appendix S.3.2. The receiver operating curve for both training (red) and test data (blue) to evaluate model’s predicting power. The red line indicates the “fit” of the model to the training data. The blue line shows the fit of the model to the testing data, and that is the real test of the model’s predictive power (Phillips 2017).
149
Appendix S.3. 3. The results of the jackknife tests of variable importance: (a) training gain; (b) AUC, (c) test gain. Jackknife results are calculated without the variable (green), with only variable (blue) and with all variables (red). (a)
(b)
(c)
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Appendix S.3. 4. The list of citations for the data downloaded from the GBIF database.
Abitia C.L.A., Ramos R.P. (2017). Evaluación estacional de la fauna ictiológica, malacológica y flora ficológica de la Reserva de la Biósfera El Vizcaino, BCS, Fase I: Laguna Ojo de Liebre. Version 1.3. Comisión nacional para el conocimiento y uso de la biodiversidad. Occurrence Dataset https://doi.org/10.15468/ytv8m1 accessed via GBIF.org on 2017-10-24. doi:10.15468/ytv8m1.
Aguilar R.L.E., Ramos R.P. (2017). Estado actual de las especies de macroalgas introducidas e invasoras en la costa Pacífico de México. Version 1.3. Comisión nacional para el conocimiento y uso de la biodiversidad. Occurrence Dataset https://doi.org/10.15468/r3v6b9 accessed via GBIF.org on 2017-10-24. doi:10.15468/r3v6b9.
Aguilar R.R, Ramos R.P. (2017). Macroalgas marinas de la costa noroccidental de Baja California, México. Version 1.3. Comisión nacional para el conocimiento y uso de la biodiversidad. Occurrence Dataset https://doi.org/10.15468/kuipmz accessed via GBIF.org on 2017-10-24. doi:10.15468/kuipmz.
Atlas of Life in the Coastal Wilderness (2017). Atlas of Life in the Coastal Wilderness - Sightings. Occurrence Dataset https://doi.org/10.15468/rtxjkt accessed via GBIF.org on 2017-10-24. doi:10.15468/rtxjkt.
Atlas of Living Australia (2017). Climatewatch. Occurrence Dataset https://doi.org/10.15468/xlx9o4 accessed via GBIF.org on 2017-10-24. doi:10.15468/xlx9o4.
Atlas of Living Australia (2017). New Zealand Virtual Herbarium. Occurrence Dataset https://doi.org/10.15468/bxxmis accessed via GBIF.org on 2017-10-24. doi:10.15468/bxxmis.
Atlas of Living Australia (2017). WildNet- Queensland Wildlife Data. Occurrence Dataset https://doi.org/10.15468/lxgoyb accessed via GBIF.org on 2017-10-24. doi:10.15468/lxgoyb.
Australia's Virtual Herbarium (2017). Australia's Virtual Herbarium. Occurrence Dataset https://doi.org/10.15468/rhzrxw accessed via GBIF.org on 2017-10-24. doi:10.15468/rhzrxw.
Biological Institute Helgoland (BAH) in the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research. AWI-Herbarium Marine Macroalgae. Occurrence Dataset https://doi.org/10.15468/uyo5za accessed via GBIF.org on 2017-10-24. doi:10.15468/uyo5za.
Blindheim T (2017). BioFokus. Version 1.592. Natural History Museum, University of Oslo. Occurrence Dataset https://doi.org/10.15468/jxbhqx accessed via GBIF.org on 2017-10-24. doi:10.15468/jxbhqx.
Bolton, J., Ranwashe, F. (2016). UCT: South Africa Seaweeds (1905-2008). Version 1.2. South African National Biodiversity Institute. Occurrence Dataset https://doi.org/10.15468/zp9rxk accessed via GBIF.org on 2017-10-24. doi:10.15468/zp9rxk.
Botanic Garden and Botanical Museum Berlin-Dahlem (2017). AlgaTerra. Occurrence Dataset https://doi.org/10.15468/nz7lld accessed via GBIF.org on 2017-10-24. doi:10.15468/nz7lld.
Botanic Garden and Botanical Museum Berlin-Dahlem (2017). Herbarium Berolinense. Occurrence Dataset https://doi.org/10.15468/dlwwhz accessed via GBIF.org on 2017-10-24. doi:10.15468/dlwwhz.
Cabezudo,A.B., García S.J. (2015). MGC Herbarium of University of Malaga (Spain): MGC-Algae dataset. University of Malaga. Occurrence Dataset https://doi.org/10.15468/q8hzlc accessed via GBIF.org on 2017-10-24. doi:10.15468/q8hzlc.
Calabuig, I. (2014). Botanical Museum, Copenhagen, the Phycology Herbarium. Botanical Garden & Museum, Natural History Museum of Denmark. Occurrence Dataset
151
https://doi.org/10.15468/8oxxmx accessed via GBIF.org on 2017-10-24. doi:10.15468/8oxxmx.
Cameron, E., Moriarty, A. (2017). Auckland Museum Botany Collection. Version 1.18. Auckland War Memorial Museum. Occurrence Dataset https://doi.org/10.15468/mnjkvv accessed via GBIF.org on 2017-10-24. doi:10.15468/mnjkvv.
Capers, R. (2014). CONN. University of Connecticut. Occurrence Dataset https://doi.org/10.15468/w35jmd accessed via GBIF.org on 2017-10-24., http://bgbaseserver.eeb.uconn.edu/ doi:10.15468/w35jmd.
Casas, V. M, Ramos, R. P., (2017). Sistematización de la Colección de Algas Marinas del Centro Interdisciplinario de Ciencias Marinas CICIMAR-IPN. Version 1.4. Comisión nacional para el conocimiento y uso de la biodiversidad. Occurrence Dataset https://doi.org/10.15468/9kmlfs accessed via GBIF.org on 2017-10-24. doi:10.15468/9kmlfs.
Cassano, V. (2017). SPF-Algae - Herbário da Universidade de São Paulo - Coleção de Algas. Version 1.30. Universidade de São Paulo. Occurrence Dataset https://doi.org/10.15468/xhpmge accessed via GBIF.org on 2017-10-24., http://splink.cria.org.br/manager/detail?resource=SPF-Algae doi:10.15468/xhpmge.
CeDoc of Plant Biodiversity (CeDocBIV), Univ. Barcelona (2017). CeDoc de Biodiversitat Vegetal: BCN-Phycophyta. Occurrence Dataset https://doi.org/10.15468/lgu4v6 accessed via GBIF.org on 2017-10-24. doi:10.15468/lgu4v6.
Citizen Science - ALA Website (2017). Individual Sightings. Occurrence Dataset https://doi.org/10.15468/jayxmn accessed via GBIF.org on 2017-10-24. doi:10.15468/jayxmn.
Cofnod North Wales Environmental Information Service (2017). Miscellaneous records held on the Cofnod database. Occurrence Dataset https://doi.org/10.15468/hcgqsi accessed via GBIF.org on 2017-10-24. doi:10.15468/hcgqsi.
Cofnod North Wales Environmental Information Service (2017). NRW Regional Data: North Wales. Occurrence Dataset https://doi.org/10.15468/krljpu accessed via GBIF.org on 2017-10-24. doi:10.15468/krljpu.
Creuwels, J. (2017). Naturalis Biodiversity Center (NL) - Botany. Naturalis Biodiversity Center. Occurrence Dataset https://doi.org/10.15468/ib5ypt accessed via GBIF.org on 2017-10-24. doi:10.15468/ib5ypt.
Cumbria Biodiversity Data Centre (2017). Cumbria Biodiversity Data Centre fungi and lower plant species observations for Cumbria for the period 1845 to 2014. Occurrence Dataset https://doi.org/10.15468/qup5rk accessed via GBIF.org on 2017-10-24. doi:10.15468/qup5rk.
Department of Botany, Faculty of Biological Sciences, University of Valencia (2017). Universitat de València, Colecciones de Criptógamas: VAL_Algae. Occurrence Dataset https://doi.org/10.15468/odw9qj accessed via GBIF.org on 2017-10-24. doi:10.15468/odw9qj.
Department of Organisms and Systems Biology. University of Oviedo (2017). Universidad de Oviedo. Departamento de Biología de Organismos y Sistemas: FCO-Algae. Occurrence Dataset https://doi.org/10.15468/qfwigq accessed via GBIF.org on 2017-10-24. doi:10.15468/qfwigq.
Department of Science, Information Technology and Innovation (2017). Queensland Herbarium Records. Occurrence Dataset https://doi.org/10.15468/jsffsa accessed via GBIF.org on 2017-10-24. doi:10.15468/jsffsa.
Dorset Environmental Records Centre (2017). Ross Coral Mapping Project - NBN South West Pilot Project Case Studies. Occurrence Dataset https://doi.org/10.15468/mnlzxc accessed via GBIF.org on 2017-10-24. doi:10.15468/mnlzxc.
152
European Molecular Biology Laboratory (EMBL) (2014). Geographically tagged INSDC sequences. Occurrence Dataset https://doi.org/10.15468/cndomv accessed via GBIF.org on 2017-10-24. doi:10.15468/cndomv.
European Molecular Biology Laboratory Australia (2017). European Molecular Biology Laboratory Australian Mirror. Occurrence Dataset https://doi.org/10.15468/ypsvix accessed via GBIF.org on 2017-10-24. doi:10.15468/ypsvix.
Fife Nature Records Centre (2017). St Andrews BioBlitz 2014. Occurrence Dataset https://doi.org/10.15468/erweal accessed via GBIF.org on 2017-10-24. doi:10.15468/erweal.
Fife Nature Records Centre (2017). St Andrews BioBlitz 2015. Occurrence Dataset https://doi.org/10.15468/xtrbvy accessed via GBIF.org on 2017-10-24. doi:10.15468/xtrbvy.
Fife Nature Records Centre (2017). St Andrews BioBlitz 2016. Occurrence Dataset https://doi.org/10.15468/146yiz accessed via GBIF.org on 2017-10-24. doi:10.15468/146yiz.
Forzza, R., Dalcin, E. (2017). RB - Rio de Janeiro Botanical Garden Herbarium Collection. Version 84.123. Instituto de Pesquisas Jardim Botanico do Rio de Janeiro. Occurrence Dataset https://doi.org/10.15468/7ep9i2 accessed via GBIF.org on 2017-10-24., http://www.jbrj.gov.br/jabot/formularios/comocitar_jabot.php doi:10.15468/7ep9i2.
GEO-Tag der Artenvielfalt (2017). Artenvielfalt der Nordsee - Helgoland. Occurrence Dataset https://doi.org/10.15468/omx28y accessed via GBIF.org on 2017-10-24. doi:10.15468/omx28y.
GEO-Tag der Artenvielfalt (2017) Gesamtartenliste Bremerhaven, Helgoland und Sylt. Occurrence Dataset https://doi.org/10.15468/85zmqv accessed via GBIF.org on 2017-10-24. doi:10.15468/85zmqv.
Griffiths, H. (2017). The First Comprehensive Description of the Biodiversity and Biogeography of Antarctic and Sub-Antarctic Intertidal Communities. Version 2.1. Antarctic Biodiversity Information Facility (ANTABIF). Occurrence Dataset https://doi.org/10.15468/doyfzk accessed via GBIF.org on 2017-10-24., Griffiths & Waller (In Press) doi:10.15468/doyfzk.
Highland Biological Recording Group (2017). HBRG Highland Seashore Project Dataset. Occurrence Dataset https://doi.org/10.15468/sau7qh accessed via GBIF.org on 2017-10-24. doi:10.15468/sau7qh.
Hoem, S.A. (2017). Norwegian Biodiversity Information Centre - Other datasets. Version 31.111. Natural History Museum, University of Oslo. Occurrence Dataset https://doi.org/10.15468/tm56sc accessed via GBIF.org on 2017-10-24. doi:10.15468/tm56sc.
Hoem, S.A. (2017). Norwegian Species Observation Service. Version 3.5. The Norwegian Biodiversity Information Centre (NBIC). Occurrence Dataset https://doi.org/10.15468/zjbzel accessed via GBIF.org on 2017-10-24. doi:10.15468/zjbzel.
Icelandic Institute of Natural History. Herbarium (AMNH).(2017) Occurrence Dataset https://doi.org/10.15468/hkydl2 accessed via GBIF.org on 2017-10-24. doi:10.15468/hkydl2.
Ickert-Bond, S. (2017). UAM Herbarium (ALA), Algae Collection (Arctos). Version 8.6. University of Alaska Museum of the North. Occurrence Dataset https://doi.org/10.15468/gwjvwf accessed via GBIF.org on 2017-10-24. doi:10.15468/gwjvwf.
iNaturalist.org (2017). iNaturalist Research-grade Observations. Occurrence Dataset https://doi.org/10.15468/ab3s5x accessed via GBIF.org on 2017-10-24. doi:10.15468/ab3s5x.
Institute of Biodiversity, Animal Health and Comparative Medicine, College of Medical, Veterinary and Life Sciences, University of Glasgow (2016). International Barcode of Life project (iBOL). Occurrence Dataset https://doi.org/10.15468/inygc6 accessed via GBIF.org on 2017-10-24. doi:10.15468/inygc6.
153
Isle of Wight Local Records Centre (2017). Isle of Wight Notable Species. Occurrence Dataset https://doi.org/10.15468/sm4ety accessed via GBIF.org on 2017-10-24. doi:10.15468/sm4ety.
Jennings, L. (2017). University of British Columbia Herbarium (UBC) - Algae Collection. Version 14.3. University of British Columbia. Occurrence Dataset https://doi.org/10.5886/ujwtvvs2 accessed via GBIF.org on 2017-10-24., doi:10.5886/ujwtvvs2 doi:10.5886/ujwtvvs2.
Joint Nature Conservation Committee (2017). Marine Offshore Seabed Survey data held by JNCC. Occurrence Dataset https://doi.org/10.15468/skvdld accessed via GBIF.org on 2017-10-24. doi:10.15468/skvdld.
Jordal, J.B. (2017). Jordal. Version 1.75. Natural History Museum, University of Oslo. Occurrence Dataset https://doi.org/10.15468/wqsad9 accessed via GBIF.org on 2017-10-24. doi:10.15468/wqsad9.
Kluse, J. (2017). LSU Shirley C. Tucker Herbarium at Louisiana State University - Algae. Version 1.8. Louisiana State University Herbarium. Occurrence Dataset https://doi.org/10.15468/3jp2zb accessed via GBIF.org on 2017-10-24. doi:10.15468/3jp2zb.
Lahti, T. (2017). Hatikka Observation Database. Version 1.1. Finnish Biodiversity Information Facility. Occurrence Dataset https://doi.org/10.15468/te1t6l accessed via GBIF.org on 2017-10-24. doi:10.15468/te1t6l
Lampinen, R., Lahti T (2017). Finnish Floristic Database (Finnish Museum of Natural History Collections). Version 1.1. Finnish Biodiversity Information Facility. Occurrence Dataset https://doi.org/10.15468/kasmwk accessed via GBIF.org on 2017-10-24. doi:10.15468/kasmwk.
Mackay, K. (2017). Marine biological observation data from coastal and offshore surveys around New Zealand. Version 1.5. The National Institute of Water and Atmospheric Research (NIWA). Occurrence Dataset https://doi.org/10.15468/pzpgop accessed via GBIF.org on 2017-10-24. doi:10.15468/pzpgop.
Mackay, K. (2017). Records from the NIWA AllSeaBio marine biology database. The National Institute of Water and Atmospheric Research (NIWA). Occurrence Dataset https://doi.org/10.15468/7y1efw accessed via GBIF.org on 2017-10-24. doi:10.15468/7y1efw.
MACOI - Portuguese Seaweeds.(2017) Portuguese Seaweeds. Occurrence Dataset https://doi.org/10.15468/evxsae accessed via GBIF.org on 2017-10-24. doi:10.15468/evxsae
Magill, B., Solomon, J., Stimmel, H. (2016). Tropicos Specimen Data. Missouri Botanical Garden. Occurrence Dataset https://doi.org/10.15468/hja69f accessed via GBIF.org on 2017-10-24. doi:10.15468/hja69f.
Manx Biological Recording Partnership (2017). Isle of Man wildlife records from 01/01/2000 to 13/02/2017. Occurrence Dataset https://doi.org/10.15468/mopwow accessed via GBIF.org on 2017-10-24. doi:10.15468/mopwow.
Marine Biological Association (2017). 2004-2012 Bishop et al. Occurrence of non-native sessile invertebrates on the English coast. Occurrence Dataset https://doi.org/10.15468/t9edux accessed via GBIF.org on 2017-10-24. doi:10.15468/t9edux.
Marine Biological Association (2017). 2005 - Ongoing United Kingdom MarLIN Shore Thing timed search results. Occurrence Dataset https://doi.org/10.15468/ikwlzr accessed via GBIF.org on 2017-10-24. doi:10.15468/ikwlzr.
Marine Biological Association (2017). DASSH Data Archive Centre Academic Surveys. Occurrence Dataset https://doi.org/10.15468/cwqszy accessed via GBIF.org on 2017-10-24. doi:10.15468/cwqszy.
154
Marine Biological Association (2017). DASSH Data Archive Centre expert sightings records. Occurrence Dataset https://doi.org/10.15468/tggq3w accessed via GBIF.org on 2017-10-24. doi:10.15468/tggq3w.
Marine Biological Association (2017). DASSH Data Archive Centre volunteer sightings records. Occurrence Dataset https://doi.org/10.15468/xwiw3h accessed via GBIF.org on 2017-10-24. doi:10.15468/xwiw3h.
Marine Biological Association (2017). DASSH Data Archive Centre volunteer survey data. Occurrence Dataset https://doi.org/10.15468/pjowth accessed via GBIF.org on 2017-10-24. doi:10.15468/pjowth
Marine Biological Association (2017). RISC and ALERT Marine Non-Native Species (Chinese Mitten Crab, Wakame and Carpet Sea Squirt) Records. Occurrence Dataset https://doi.org/10.15468/ls37zx accessed via GBIF.org on 2017-10-24. doi:10.15468/ls37zx
Marine Biological Association (2017). Verified Marine records from Indicia-based surveys. Occurrence Dataset https://doi.org/10.15468/yfyeyg accessed via GBIF.org on 2017-10-24. doi:10.15468/yfyeyg
Marine Science Institute, UCSB. Paleobiology Database. Occurrence Dataset https://doi.org/10.15468/2durgn accessed via GBIF.org on 2017-10-24. doi:10.15468/2durgn.
Merseyside BioBank (2017). Merseyside BioBank (unverified). Occurrence Dataset https://doi.org/10.15468/iou2ld accessed via GBIF.org on 2017-10-24. doi:10.15468/iou2ld.
MNHN - Museum national d'Histoire naturelle (2017). The cryptogamy collection (PC) at the Herbarium of the Muséum national d'Histoire Naturelle (MNHN - Paris). Version 70.33. Occurrence Dataset https://doi.org/10.15468/mywiem accessed via GBIF.org on 2017-10-24. doi:10.15468/mywiem.
Muséum national d'histoire naturelle Luxembourg. Palaeontological collections National Museum of Natural History Luxembourg. Occurrence Dataset https://doi.org/10.15468/vbuvyu accessed via GBIF.org on 2017-10-24. doi:10.15468/vbuvyu.
National Biodiversity Data Centre (2016). National Invasive Species Database. Occurrence Dataset https://doi.org/10.15468/pkjqbk accessed via GBIF.org on 2017-10-24. doi:10.15468/pkjqbk.
National Biodiversity Data Centre (2016). Rocky Shore Macroalgae. Occurrence Dataset https://doi.org/10.15468/evhuy3 accessed via GBIF.org on 2017-10-24. doi:10.15468/evhuy3.
National Biodiversity Data Centre (2017). Coastal and marine species. Occurrence Dataset https://doi.org/10.15468/oynwkx accessed via GBIF.org on 2017-10-24. doi:10.15468/oynwkx.
National Biodiversity Data Centre (2017). Ireland's BioBlitz. Occurrence Dataset https://doi.org/10.15468/aiiz3z accessed via GBIF.org on 2017-10-24. doi:10.15468/aiiz3z.
National Chemical Laboratory. IndOBIS, Indian Ocean Node of OBIS. Occurrence Dataset https://doi.org/10.15468/tbedgi accessed via GBIF.org on 2017-10-24. doi:10.15468/tbedgi.
National Museum of Nature and Science, Japan. (2017). Ibaraki Nature Museum, Algae collection. Occurrence Dataset https://doi.org/10.15468/tdqeow accessed via GBIF.org on 2017-10-24. doi:10.15468/tdqeow.
National Trust (2017). National Trust Species Records. Occurrence Dataset https://doi.org/10.15468/opc6g1 accessed via GBIF.org on 2017-10-24. doi:10.15468/opc6g1
Natural England (2017). Natural England Marine Monitoring surveys. Occurrence Dataset https://doi.org/10.15468/ysikg5 accessed via GBIF.org on 2017-10-24. doi:10.15468/ysikg5
155
Natural History Museum (2017). Natural History Museum (London) Collection Specimens. Occurrence Dataset https://doi.org/10.5519/0002965 accessed via GBIF.org on 2017-10-24., http://dx.doi.org/10.5519/0002965 doi: 10.5519/0002965.
Natural History Museum, University of Oslo (2017). Algae, Norwegian College of Fishery Science. Version 1.366. Occurrence Dataset https://doi.org/10.15468/a2ewca accessed via GBIF.org on 2017-10-24. doi:10.15468/a2ewca.
Natural History Museum, University of Oslo (2017). Algae, Specimens, Agder naturmuseum (KMN). Version 1.321. Occurrence Dataset https://doi.org/10.15468/jldjxh accessed via GBIF.org on 2017-10-24. doi:10.15468/jldjxh.
Natural History Museum, University of Oslo (2017). Rådgivende Biologer. Version 33.76. Occurrence Dataset https://doi.org/10.15468/tqxvcg accessed via GBIF.org on 2017-10-24. doi:10.15468/tqxvcg
Natural Resources Wales (2017). Marine data from Natural Resources Wales (NRW) Technical Support (Research & Monitoring) Contracts, Wales. Occurrence Dataset https://doi.org/10.15468/az7nw3 accessed via GBIF.org on 2017-10-24. doi:10.15468/az7nw3.
Natural Resources Wales (2017). Marine Intertidal Phase 1 species dataset from the Countryside Council for Wales 1996-2005. Occurrence Dataset https://doi.org/10.15468/kflo7m accessed via GBIF.org on 2017-10-24. doi:10.15468/kflo7m.
Natural Resources Wales (2017). Marine Non Native Species records from Natural Resources Wales (NRW) monitoring research and ad-hoc sightings. Occurrence Dataset https://doi.org/10.15468/jc9uj9 accessed via GBIF.org on 2017-10-24. doi:10.15468/jc9uj9.
Natural Resources Wales (2017). Marine species records from Skomer Marine Conservation Zone (MCZ) Marine Monitoring Programme. Occurrence Dataset https://doi.org/10.15468/207iog accessed via GBIF.org on 2017-10-24. doi:10.15468/207iog.
Nature Locator (2017). Sealife Tracker. Occurrence Dataset https://doi.org/10.15468/qgk3pg accessed via GBIF.org on 2017-10-24. doi:10.15468/qgk3pg.
naturgucker.de. naturgucker. Occurrence Dataset https://doi.org/10.15468/uc1apo accessed via GBIF.org on 2017-10-24. doi:10.15468/uc1apo.
Neil, K., Mackay, K. (2017). Rhodolith Beds in Northern New Zealand: Characterisation of Associated Biodiversity. Version 1.6. The National Institute of Water and Atmospheric Research (NIWA). Sampling_event Dataset https://doi.org/10.15468/3zyorf accessed via GBIF.org on 2017-10-24. doi:10.15468/3zyorf.
Newell, R., Pufahl, C., Richard, J. (2014). E. C. Smith Herbarium (ACAD). Acadia University. Occurrence Dataset https://doi.org/10.15468/zc4csq accessed via GBIF.org on 2017-10-24. doi:10.15468/zc4csq.
NTNU University Museum (2017). Algae herbarium, NTNU University Museum. Version 11.642. Occurrence Dataset https://doi.org/10.15468/elzhsu accessed via GBIF.org on 2017-10-24. doi:10.15468/elzhsu.
Ocean Biogeographic Information System. A Biological Survey of the Waters of Woods Hole and Vacinity. Occurrence Dataset https://doi.org/10.15468/bxmxx0 accessed via GBIF.org on 2017-10-24. doi:10.15468/bxmxx0.
Ocean Biogeographic Information System. Benthic biodiversity along the central coast in the Brazilian EEZ (OBIS South America, BRAZIL) (OBIS South America, BRAZIL). Occurrence Dataset https://doi.org/10.15468/uofqoh accessed via GBIF.org on 2017-10-24. doi:10.15468/uofqoh
156
Ocean Biogeographic Information System. BioMar (EurOBIS). Occurrence Dataset https://doi.org/10.15468/tx3yvy accessed via GBIF.org on 2017-10-24. doi:10.15468/tx3yvy.
Ocean Biogeographic Information System. Gwaii Haanas Marine Plants (OBIS Canada). Occurrence Dataset https://doi.org/10.15468/liabjc accessed via GBIF.org on 2017-10-24. doi:10.15468/liabjc.
Ocean Biogeographic Information System. Natural Geography In Shore Areas (NaGISA) Dataset. Occurrence Dataset https://doi.org/10.15468/5uprth accessed via GBIF.org on 2017-10-24. doi:10.15468/5uprth.
Ocean Biogeographic Information System. South Western Pacific Regional OBIS Data All Sea Bio Subset (South Western Pacific OBIS). Occurrence Dataset https://doi.org/10.15468/rqxetf accessed via GBIF.org on 2017-10-24. doi:10.15468/rqxetf.
Ocean Biogeographic Information System. Taxonomic Information Sytem for the Belgian coastal area (EurOBIS). Occurrence Dataset https://doi.org/10.15468/mstheo accessed via GBIF.org on 2017-10-24. doi:10.15468/mstheo.
Orrell, T., Hollowell, T. (2017). NMNH Extant Specimen Records. Version 1.8. National Museum of Natural History, Smithsonian Institution. Occurrence Dataset https://doi.org/10.15468/hnhrg3 accessed via GBIF.org on 2017-10-24. doi:10.15468/hnhrg3.
Outer Hebrides Biological Recording (2017). Non-vascular Plants, Outer Hebrides. Occurrence Dataset https://doi.org/10.15468/goidos accessed via GBIF.org on 2017-10-24. doi:10.15468/goidos.
Piriz, M. L., Marin, M. R. (2017). Seaweeds records from Argentina and Uruguay. Version 1.4. ArOBIS Centro Nacional Patagónico. Occurrence Dataset https://doi.org/10.15468/e0ick5 accessed via GBIF.org on 2017-10-24. doi:10.15468/e0ick5.
Pyle, R. (2016). Bernice P. Bishop Museum. Version 8.1. Bernice Pauahi Bishop Museum. Occurrence Dataset https://doi.org/10.15468/s6ctus accessed via GBIF.org on 2017-10-24. doi:10.15468/s6ctus.
Queensland Museum (2017). Queensland Museum provider for OZCAM. Occurrence Dataset https://doi.org/10.15468/lotsye accessed via GBIF.org on 2017-10-24. doi:10.15468/lotsye
Questagame (2017). Questagame weekly feed. Occurrence Dataset https://doi.org/10.15468/slqqt8 accessed via GBIF.org on 2017-10-24. doi:10.15468/slqqt8
Ranz, J. (2017). Banco de Datos de la Biodiversidad de la Comunitat Valenciana. Biodiversity data bank of Generalitat Valenciana. Occurrence Dataset https://doi.org/10.15468/b4yqdy accessed via GBIF.org on 2017-10-24. doi:10.15468/b4yqdy
Riosmena, R. R., Ramos R.P. (2017). Computarización del Herbario Ficológico de la Universidad Autónoma de Baja California Sur. Version 1.3. Comisión nacional para el conocimiento y uso de la biodiversidad. Occurrence Dataset https://doi.org/10.15468/rey7bx accessed via GBIF.org on 2017-10-24. doi:10.15468/rey7bx
SantAnna, C., Tucci, A. (2017). SP-Algae - SP-Algae - Herbário do Estado "Maria Eneyda P. Kaufmann Fidalgo - Coleção de Algas. Version 1.30. Instituto de Botânica, São Paulo. Occurrence Dataset https://doi.org/10.15468/md6zcx accessed via GBIF.org on 2017-10-24.,http://splink.cria.org.br/manager/detail?resource=SP-Algae doi:10.15468/md6zcx.
Scottish Natural Heritage (2017). Species data for Scottish waters held and managed by Scottish Natural Heritage, derived from benthic surveys 1993 to 2014. Occurrence Dataset https://doi.org/10.15468/faxvgd accessed via GBIF.org on 2017-10-24. doi:10.15468/faxvgd.
157
Scottish Wildlife Trust (2017). Survey and monitoring records for Scottish Wildlife Trust reserves from reserve convenors and Trust volunteers - Unassessed data. Occurrence Dataset https://doi.org/10.15468/jxrydj accessed via GBIF.org on 2017-10-24. doi:10.15468/jxrydj.
Seasearch (2017). Seasearch Marine Surveys in England. Occurrence Dataset https://doi.org/10.15468/kywx6m accessed via GBIF.org on 2017-10-24. doi:10.15468/kywx6m.
Seasearch (2017). Seasearch Marine Surveys in Ireland. Occurrence Dataset https://doi.org/10.15468/pyugge accessed via GBIF.org on 2017-10-24. doi:10.15468/pyugge.
Seasearch (2017). Seasearch Marine Surveys in Scotland. Occurrence Dataset https://doi.org/10.15468/0hyjxi accessed via GBIF.org on 2017-10-24. doi:10.15468/0hyjxi..
Seasearch (2017). Seasearch Marine Surveys in the Isle of Man. Occurrence Dataset https://doi.org/10.15468/mxkbcg accessed via GBIF.org on 2017-10-24. doi:10.15468/mxkbcg.
Seasearch (2017). Seasearch Marine Surveys in Wales. Occurrence Dataset https://doi.org/10.15468/4us2hk accessed via GBIF.org on 2017-10-24. doi:10.15468/4us2hk.
Shah M, Coulson S (2017). Artportalen (Swedish Species Observation System). Version 92.82. ArtDatabanken. Occurrence Dataset https://doi.org/10.15468/kllkyl accessed via GBIF.org on 2017-10-24. doi:10.15468/kllkyl
South East Wales Biodiversity Records Centre (2017). SEWBReC Algae and allied species (South East Wales). Occurrence Dataset https://doi.org/10.15468/55albd accessed via GBIF.org on 2017-10-24. doi:10.15468/55albd
SPN - Service du Patrimoine naturel, Muséum national d'Histoire naturelle, Paris (2013). Inventaire National du Patrimoine Naturel : Programme CARTHAM: Inventaire biologique dans le cadre de Natura 2000 en Mer. Occurrence Dataset https://doi.org/10.15468/ehnrif accessed via GBIF.org on 2017-10-24. doi:10.15468/ehnrif
Suffolk Biodiversity Information Service (2017). Suffolk Biodiversity Information Service (SBIS) Dataset. Occurrence Dataset https://doi.org/10.15468/ab4vwo accessed via GBIF.org on 2017-10-24. doi:10.15468/ab4vwo.
Tasmanian Department of Primary Industries, Parks, Water and Environment (2017). Tasmanian Natural Values Atlas. Occurrence Dataset https://doi.org/10.15468/rtnb4m accessed via GBIF.org on 2017-10-24. doi:10.15468/rtnb4m.
Telenius, A. (2016). Algae (S). GBIF-Sweden. Occurrence Dataset https://doi.org/10.15468/pqxsbz accessed via GBIF.org on 2017-10-24. doi:10.15468/pqxsbz.
Telenius, A., Ericson, N. (2016). Herbarium of Umeå University (UME). GBIF-Sweden. Occurrence Dataset https://doi.org/10.15468/gatdg4 accessed via GBIF.org on 2017-10-24. doi:10.15468/gatdg4.
Telenius, A., Rühling, Å. (2017). Oskarshamn herbarium (OHN). GBIF-Sweden. Occurrence Dataset https://doi.org/10.15468/u5wjib accessed via GBIF.org on 2017-10-24. doi:10.15468/u5wjib.
Telenius, A., Shah, M. (2016). Botany (UPS). GBIF-Sweden. Occurrence Dataset https://doi.org/10.15468/ufmslw accessed via GBIF.org on 2017-10-24. doi:10.15468/ufmslw.
The Wildlife Information Centre (2017). TWIC Biodiversity Field Trip Data (1995-2014). Occurrence Dataset https://doi.org/10.15468/ljc0ke accessed via GBIF.org on 2017-10-24. doi:10.15468/ljc0ke.
158
The Wildlife Trusts (2017). Marine data from The Wildlife Trusts (TWT) Dive Team; Somerset, Cornwall and Sussex; 2014-2015. Occurrence Dataset https://doi.org/10.15468/aqr7zv accessed via GBIF.org on 2017-10-24. doi:10.15468/aqr7zv.
Vanreusel, W., Barendse, R., Steeman, R., Gielen, K., Swinnen, K., Desmet, P., Herremans, M. (2017). Waarnemingen.be - Non-native plant occurrences in Flanders and the Brussels Capital Region, Belgium. Version 1.1. Natuurpunt. Occurrence Dataset https://doi.org/10.15468/smdvdo accessed via GBIF.org on 2017-10-24., https://doi.org/10.15468/smdvdo doi:10.15468/smdvdo.
Victorian Department of Environment, Land, Water and Planning (2017). Victorian Biodiversity Atlas. Occurrence Dataset https://doi.org/10.15468/khlfs3 accessed via GBIF.org on 2017-10-24. doi:10.15468/khlfs3.
Wilton, A. (2017). Allan Herbarium (CHR). Landcare Research. Occurrence Dataset https://doi.org/10.15468/x5ucvh accessed via GBIF.org on 2017-10-24. doi:10.15468/x5ucvh
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Yorkshire Wildlife Trust (2017). Yorkshire Wildlife Trust Shoresearch. Occurrence Dataset https://doi.org/10.15468/1nw3ch accessed via GBIF.org on 2017-10-24. doi:10.15468/1nw3ch.
159
Appendix S.3. 5. The list of citations for the datasets containing laminarian kelp in OBIS on 2017-10-24 as provided in the datasets metadata.
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English Nature. Marine Nature Conservation Review (MNCR) and associated benthic marine data held and managed by English Nature. English Nature, Peterborough, UK.
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SWPRON (2014). Marine biological observation data from coastal and offshore surveys around New Zealand. Southwestern Pacific OBIS, National Institute of Water and Atmospheric Research (NIWA), Wellington, New Zealand, 5707 records, Online http://nzobisipt.niwa.co.nz/resource.do?r=mbis_nz released on April 17, 2015. accessed via OBIS.org on 2017-10-24.
SWPRON (2017). Records from the NIWA AllSeaBio database. Southwestern Pacific OBIS, National Institute of Water and Atmospheric Research (NIWA), Wellington, New Zealand, 57376 records, Online http://nzobisipt.niwa.co.nz/resource.do?r=obisallseabio released on January 25, 2017. accessed via OBIS.org on 2017-10-24.
TANAKA, Y. (2014). Marine Algae Herbarium at Chijiri-hama, Tsugaru Strait, Citizen Monitoring Program 2012 (in Japanese). accessed via OBIS.org on 2017-10-24.
UK National Biodiversity Network, British Phycological Society - Seaweed data for Great Britain and Ireland accessed via OBIS.org on 2017-10-24.
UK National Biodiversity Network, Centre for Environmental Data and Recording - Marine Data from Northern Ireland, accessed via OBIS.org on 2017-10-24.
UK National Biodiversity Network, Countryside Council for Wales - Marine data from Countryside Council for Wales (CCW) Technical Support (Research & Monitoring) Contracts, Wales, accessed via OBIS.org on 2017-10-24.
UK National Biodiversity Network, Countryside Council for Wales - Marine Intertidal Phase 1 species dataset from the Countryside Council for Wales 1996-2005, accessed via OBIS.org on 2017-10-24.
UK National Biodiversity Network, Countryside Council for Wales - Survey of North Wales and Pembrokeshire Tide Influenced Communities, accessed via OBIS.org on 2017-10-24.
UK National Biodiversity Network, Dorset Environmental Records Centre - Ross Coral Mapping Project - NBN South West Pilot Project Case Studies, accessed via OBIS.org on 2017-10-24.
UK National Biodiversity Network, Marine Biological Association - RISC and ALERT Marine Non-Native Species (Chinese Mitten Crab, Wakame and Carpet Sea Squirt) Records, accessed via OBIS.org on 2017-10-24.
Van Guelpen, L., (2016). Atlantic Reference Centre Museum of Canadian Atlantic Organisms - Invertebrates and Fishes Data. Version 4 in OBIS Canada Digital Collections. Bedford Institute of Oceanography, Dartmouth, NS, Canada. Published by OBIS, Digital http://www.iobis.org/. Accessed on 2017-10-24
Watt, C.A., and Scrosati, R.A., (2016). Abundance of intertidal algae and invertebrates on the Atlantic coast of Nova Scotia. Version 1 in OBIS Canada Digital Collections. Bedford Institute of Oceanography, Dartmouth, NS, Canada. Published by OBIS, Digital http://www.iobis.org/. Accessed on 2017-10-24.
Węslawski J. M. (1997). Svalbard tidal zone data. Polish Academy of Sciences; Institute of Oceanology (IOPAS), Poland, accessed via OBIS.org on 2017-10-24.
Yorkshire Naturalists Union Marine and Coastal Section Records. Yorkshire Naturalists Union Marine and Coastal Section, York, Yorkshire, UK - UK National Biodiversity Network, accessed via OBIS.org on 2017-10-24.
164
Appendix S.3. 6. The species (a), genus (b) and family (c) level maps of the Oder Laminariales were created using primary occurrence records from the GBIF and OBIS online databases. The environmental variables were extracted from the GMED. Left hand side maps show the available occurrence records and the right hand side maps show the MaxEnt species distribution model map. The black colour areas show the highest probability of occurrence of the species. a)
Occurrence records Maxent model map Agaraceae
Agarum clathratum
Agarum turneri
165
Occurrence records Maxent model map
Costaria costata
Dictyoneuropsis reticulate Alariaceae
Alaria crispa
168
Occurrence records Maxent model map
Pleurophycus gardneri
Pterygophora californica
Undaria pinnatifida
174
Occurrence records Maxent model map
Laminaria sinclairii
Laminaria solidungula
Laminaria yezoensis
175
Occurrence records Maxent model map
Macrocystis pyrifera
Nereocystis luetkeana
Postelsia palmaeformis
176
Occurrence records Maxent model map
Saccharina dentigera
Saccharina latissima
Saccharina sessilis
Lessoniaceae
180
Occurrence records Maxent model map
Lessonia variegate
b)
Occurrence localities MaxEnt Model map Genus
Agarum
189
Appendix S.4. 1. List of species’ conservation status in the zooxanthellate coral biome based on the IUCN Red List.
No Scientific name Red list Category
1 Acanthastrea bowerbanki VU 2 Acanthastrea brevis VU 3 Acanthastrea echinata LC 4 Acanthastrea faviaformis VU 5 Acanthastrea hemprichi VU 6 Acanthastrea hillae NT 7 Acanthastrea ishigakiensis VU 8 Acanthastrea lordhowensis NT 9 Acanthastrea maxima VU
10 Acanthastrea minuta NOT 11 Acanthastrea pachysepta NOT 12 Acanthastrea regularis VU 13 Acanthastrea rotundoflora NT 14 Acanthastrea subechinata NT
15 Acanthophyllia deshayesiana NOT
16 Acrhelia horrescens NOT 17 Acropora abrolhosensis VU 18 Acropora abrotanoides LC 19 Acropora aculeus VU 20 Acropora acuminata VU 21 Acropora akajimensis DD 22 Acropora anthocercis VU 23 Acropora appressa NT 24 Acropora arabensis NT 25 Acropora arafura NOT 26 Acropora aspera VU 27 Acropora austera NT 28 Acropora awi VU 29 Acropora batunai VU 30 Acropora bifurcata DD 31 Acropora branchi DD 32 Acropora bushyensis LC 33 Acropora capillaris NOT 34 Acropora cardenae DD 35 Acropora carduus NT 36 Acropora caroliniana VU
No Scientific name Red list Category
37 Acropora cerealis LC 38 Acropora cervicornis CR 39 Acropora chesterfieldensis LC 40 Acropora clathrata LC 41 Acropora convexa DD 42 Acropora cophodactyla DD 43 Acropora copiosa DD 44 Acropora cytherea LC 45 Acropora dendrum LC 46 Acropora derawanensis VU 47 Acropora desalwii VU 48 Acropora digitifera NT 49 Acropora divaricata NT 50 Acropora donei VU 51 Acropora downingi LC 52 Acropora echinata VU 53 Acropora efflorescens DD 54 Acropora elegans VU 55 Acropora elseyi LC 56 Acropora eurystoma NOT 57 Acropora exquisita DD 58 Acropora florida NT 59 Acropora formosa NT 60 Acropora forskali DD 61 Acropora gemmifera LC 62 Acropora glauca NT 63 Acropora globiceps VU 64 Acropora gomezi DD 65 Acropora grandis LC 66 Acropora granulosa NT 67 Acropora haimei DD 68 Acropora halmaherae DD 69 Acropora hemprichii VU 70 Acropora hoeksemai VU 71 Acropora horrida VU 72 Acropora humilis NT 73 Acropora hyacinthus NT
190
No Scientific name Red list Category
74 Acropora indonesia VU 75 Acropora insignis DD 76 Acropora intermedia NOT 77 Acropora irregularis DD 78 Acropora jacquelineae VU 79 Acropora japonica DD 80 Acropora kimbeensis VU 81 Acropora kirstyae VU 82 Acropora kosurini VU 83 Acropora lamarcki DD 84 Acropora latistella LC 85 Acropora listeri VU 86 Acropora loisetteae VU 87 Acropora lokani VU 88 Acropora longicyathus LC 89 Acropora loripes NT 90 Acropora lovelli VU 91 Acropora lutkeni NT 92 Acropora macrostoma DD 93 Acropora maryae DD 94 Acropora massawensis DD 95 Acropora microclados VU 96 Acropora microphthalma LC 97 Acropora millepora NT 98 Acropora mirabilis DD 99 Acropora monticulosa NT
100 Acropora mossambica NOT 101 Acropora multiacuta VU 102 Acropora muricata NOT 103 Acropora muricata DD 104 Acropora nana NT 105 Acropora nasuta NT 106 Acropora natalensis DD 107 Acropora navini DD 108 Acropora nobilis LC 109 Acropora ocellata DD 110 Acropora ornata NOT 111 Acropora palmata CR 112 Acropora palmerae VU 113 Acropora paniculata VU 114 Acropora papillare VU
No Scientific name Red list Category
115 Acropora pectinata NOT 116 Acropora pectinatus DD 117 Acropora pharaonis VU 118 Acropora pichoni NT 119 Acropora pinguis DD 120 Acropora plantaginea DD 121 Acropora plumosa VU 122 Acropora polystoma VU 123 Acropora prolifera NOT 124 Acropora prostrata DD 125 Acropora proximalis DD 126 Acropora pruinosa DD 127 Acropora pulchra LC 128 Acropora rambleri DD 129 Acropora retusa VU 130 Acropora ridzwani DD 131 Acropora robusta LC 132 Acropora rongelapensis DD 133 Acropora rosaria DD 134 Acropora roseni EN 135 Acropora rudis EN 136 Acropora russelli VU 137 Acropora samoensis LC 138 Acropora sarmentosa LC 139 Acropora scherzeriana DD 140 Acropora schmitti DD 141 Acropora secale NT 142 Acropora sekiseiensis DD 143 Acropora selago NT 144 Acropora seriata DD 145 Acropora simplex VU 146 Acropora sirikitiae NOT 147 Acropora solitaryensis VU 148 Acropora sordiensis NOT 149 Acropora spathulata LC 150 Acropora speciosa VU 151 Acropora spicifera VU 152 Acropora squarrosa LC 153 Acropora stoddarti DD 154 Acropora striata VU 155 Acropora subglabra LC
191
No Scientific name Red list Category
156 Acropora subulata LC 157 Acropora suharsonoi EN 158 Acropora sukarnoi DD 159 Acropora tenella VU 160 Acropora tenuis NT 161 Acropora teres DD 162 Acropora tizardi DD 163 Acropora torihalimeda DD 164 Acropora torresiana DD 165 Acropora tortuosa LC 166 Acropora tumida DD 167 Acropora turaki VU 168 Acropora valenciennesi LC 169 Acropora valida LC 170 Acropora valida LC 171 Acropora variabilis DD 172 Acropora variolosa LC 173 Acropora vaughani VU 174 Acropora verweyi VU 175 Acropora walindii VU 176 Acropora willisae VU 177 Acropora yongei LC 178 Agaricia agaricites LC 179 Agaricia fragilis DD 180 Agaricia grahamae LC 181 Agaricia humilis LC 182 Agaricia lamarcki VU 183 Agaricia tenuifolia NT 184 Agaricia undata DD 185 Alveopora allingi VU 186 Alveopora catalai NT 187 Alveopora daedalea VU 188 Alveopora excelsa EN 189 Alveopora fenestrata VU 190 Alveopora gigas VU 191 Alveopora japonica VU 192 Alveopora marionensis VU 193 Alveopora minuta EN 194 Alveopora ocellata DD 195 Alveopora spongiosa NT 196 Alveopora superficialis NOT
No Scientific name Red list Category
197 Alveopora tizardi LC 198 Alveopora verrilliana VU 199 Alveopora viridis NT 200 Anomastraea irregularis NOT 201 Anomastraea tayamai NOT 202 Anomastrea irregularis NOT 203 Astreopora acroporina NOT 204 Astreopora cenderawasih NOT 205 Astreopora cucullata VU 206 Astreopora eliptica DD 207 Astreopora expansa NT 208 Astreopora explanata NOT 209 Astreopora gracilis LC 210 Astreopora incrustans VU 211 Astreopora lambertsi NOT 212 Astreopora listeri VU 213 Astreopora listeri LC 214 Astreopora macrostoma NT 215 Astreopora monteporina NOT 216 Astreopora moretonensis VU 217 Astreopora myriophthalma LC 218 Astreopora ocellata LC 219 Astreopora randalli LC 220 Astreopora suggesta LC 221 Astreopora tabulata NOT 222 Australomussa rowleyensis NT 223 Blastomussa loyae NOT 224 Blastomussa merleti LC 225 Blastomussa simplicitexta NOT 226 Blastomussa vivida NOT 227 Blastomussa wellsi NT 228 Boninastrea boninensis DD 229 Cantharellus doederleini LC 230 Cantharellus jebbi LC 231 Cantharellus noumeae EN 232 Cladocora arbuscula LC 233 Cladocora caespitosa EN 234 Cladocora debilis DD 235 Cladocora pacifica NOT 236 Coeloseris mayeri LC 237 Coscinaraea columna LC
192
No Scientific name Red list Category
238 Coscinaraea crassa NT 239 Coscinaraea exesa LC 240 Coscinaraea marshae LC 241 Coscinaraea mcneilli LC 242 Coscinaraea monile LC 243 Coscinaraea wellsi LC 244 Ctenactis albitentaculata NT 245 Ctenactis crassa LC 246 Ctenactis echinata LC 247 Ctenella chagius EN 248 Cynarina lacrymalis NT 249 Cynarina macassarensis NOT 250 Dendrogyra cylindrus VU 251 Dichocoenia stellaris DD 252 Dichocoenia stokesii VU 253 Duncanopsammia axifuga NT 254 Echinophyllia aspera LC 255 Echinophyllia costata VU 256 Echinophyllia echinata LC
257 Echinophyllia echinoporoides LC
258 Echinophyllia nishihirai NT 259 Echinophyllia orpheensis LC 260 Echinophyllia patula LC 261 Echinophyllia tarae NOT 262 Euphyllia ancora VU 263 Euphyllia baliensis NOT 264 Euphyllia cristata VU 265 Euphyllia divisa NT 266 Euphyllia glabrescens NT 267 Euphyllia paraancora VU 268 Euphyllia paraglabrescens VU 269 Fungia concinna LC 270 Fungia costulata LC 271 Fungia curvata VU 272 Fungia cyclolites LC 273 Fungia distorta LC 274 Fungia fragilis LC 275 Fungia fralinae LC 276 Fungia fungites NT 277 Fungia granulosa LC
No Scientific name Red list Category
278 Fungia hexagonalis LC 279 Fungia horrida LC 280 Fungia moluccensis LC 281 Fungia paumotensis LC 282 Fungia repanda LC 283 Fungia scabra LC 284 Fungia scruposa LC 285 Fungia scutaria LC 286 Fungia seychellensis VU 287 Fungia sinensis LC 288 Fungia somervillei LC 289 Fungia spinifer LC 290 Fungia taiwanensis VU 291 Fungia tenuis NOT 292 Fungia vaughani LC 293 Galaxea acrhelia VU 294 Galaxea astreata VU 295 Galaxea fascicularis NT 296 Galaxea horrescens LC 297 Galaxea longisepta NT 298 Galaxea paucisepta NT 299 Goniopora albiconus VU 300 Goniopora burgosi VU 301 Goniopora ciliatus LC 302 Goniopora columna NT 303 Goniopora djiboutiensis LC 304 Goniopora eclipsensis LC 305 Goniopora fruticosa LC 306 Goniopora lobata NT 307 Goniopora minor NT 308 Goniopora norfolkensis LC 309 Goniopora paliformis NOT 310 Goniopora palmensis LC 311 Goniopora pandoraensis LC 312 Goniopora pedunculata NOT 313 Goniopora pendulus LC 314 Goniopora planulata LC 315 Goniopora polyformis VU 316 Goniopora savignyi LC 317 Goniopora somaliensis LC 318 Goniopora stokesi NT
193
No Scientific name Red list Category
319 Goniopora stutchburyi LC 320 Goniopora tenella NT 321 Goniopora tenuidens LC 322 Halomitra clavator VU 323 Halomitra pileus LC 324 Heliofungia actiniformis VU 325 Heliofungia fralinae NOT 326 Helioseris cucullata LC 327 Herpolitha limax LC 328 Herpolitha weberi LC 329 Horastrea indica VU 330 Hydnophora bonsai EN 331 Hydnophora exesa NT 332 Hydnophora grandis LC 333 Hydnophora pilosa LC 334 Hydnophora rigida LC 335 Isophyllia rigida NOT 336 Isophyllia sinuosa LC 337 Isopora brueggemanni VU 338 Isopora crateriformis VU 339 Isopora cuneata VU 340 Isopora togianensis EN 341 Leptoseris explanata LC 342 Leptoseris foliosa LC 343 Leptoseris fragilis NT 344 Leptoseris gardineri LC 345 Leptoseris glabra NOT 346 Leptoseris hawaiiensis LC 347 Leptoseris incrustans VU 348 Leptoseris mycetoseroides LC 349 Leptoseris papyracea LC 350 Leptoseris scabra LC 351 Leptoseris solida LC 352 Leptoseris striata NT 353 Leptoseris tubulifera LC 354 Leptoseris yabei VU 355 Lithophyllon concinna NOT 356 Lithophyllon mokai LC 357 Lithophyllon repanda NOT 358 Lithophyllon scabra NOT 359 Lithophyllon spinifer NOT
No Scientific name Red list Category
360 Lithophyllon undulatum NT 361 Lobophyllia agaricia NOT 362 Lobophyllia corymbosa LC 363 Lobophyllia costata NOT 364 Lobophyllia dentata NOT 365 Lobophyllia dentatus VU 366 Lobophyllia diminuta VU 367 Lobophyllia erythraea NOT 368 Lobophyllia flabelliformis VU 369 Lobophyllia hataii LC 370 Lobophyllia hemprichii LC 371 Lobophyllia ishigakiensis NOT 372 Lobophyllia pachysepta NT 373 Lobophyllia radians NOT 374 Lobophyllia recta NOT 375 Lobophyllia robusta LC 376 Lobophyllia rowleyensis NOT 377 Lobophyllia serrata NOT 378 Lobophyllia valenciennesii NOT 379 Lobophyllia vitiensis NOT 380 Meandrina brasiliensis NOT 381 Meandrina danae LC 382 Meandrina meandrites LC 383 Merulina ampliata LC 384 Merulina scabricula LC 385 Merulina triangularis NOT 386 Montastraea annularis EN 387 Montastraea annuligera EN 388 Montastraea cavernosa LC 389 Montastraea curta NOT 390 Montastraea faveolata EN 391 Montastraea franksi VU 392 Montastrea annuligera NT 393 Montastrea colemani NT 394 Montastrea curta LC 395 Montastrea magnistellata NT 396 Montastrea valenciennesi NT 397 Montipora aequituberculata LC 398 Montipora angulata VU 399 Montipora australiensis VU 400 Montipora calcarea VU
194
No Scientific name Red list Category
401 Montipora caliculata VU 402 Montipora capitata NT 403 Montipora capricornis VU 404 Montipora cebuensis VU 405 Montipora circumvallata LC 406 Montipora cocosensis VU 407 Montipora corbettensis NOT
408 Montipora crassituberculata VU
409 Montipora cryptus NT 410 Montipora danae LC 411 Montipora delicatula VU 412 Montipora digitata LC 413 Montipora efflorescens NT 414 Montipora effusa NT 415 Montipora flabellata VU 416 Montipora florida VU 417 Montipora floweri LC 418 Montipora foliosa NT 419 Montipora foveolata NT 420 Montipora friabilis VU 421 Montipora gaimardi VU 422 Montipora grisea LC 423 Montipora hirsuta NT 424 Montipora hispida LC 425 Montipora hoffmeisteri LC 426 Montipora incrassata NT 427 Montipora informis LC 428 Montipora lobulata VU 429 Montipora mactanensis VU 430 Montipora meandrina VU 431 Montipora millepora LC 432 Montipora mollis LC 433 Montipora monasteriata LC 434 Montipora nodosa NT 435 Montipora patula VU 436 Montipora peltiformis NT 437 Montipora porites NT 438 Montipora samarensis VU 439 Montipora saudii NT 440 Montipora spongiosa LC
No Scientific name Red list Category
441 Montipora spongodes LC 442 Montipora spumosa LC 443 Montipora stellata LC 444 Montipora stilosa VU 445 Montipora tuberculosa LC 446 Montipora turgescens LC 447 Montipora turtlensis VU 448 Montipora undata NT 449 Montipora venosa NT 450 Montipora verrilli DD 451 Montipora verrucosa LC 452 Montipora vietnamensis VU 453 Moseleya latistellata VU 454 Mussa angulosa LC 455 Mussismilia braziliensis DD 456 Mussismilia harttii DD 457 Mussismilia hispida DD 458 Mycedium elephantotus LC 459 Mycedium mancaoi LC 460 Mycedium robokaki LC 461 Mycedium steeni VU 462 Mycedium umbra LC 463 Mycetophyllia aliciae LC 464 Mycetophyllia danaana LC 465 Mycetophyllia ferox VU 466 Mycetophyllia lamarckiana LC 467 Mycetophyllia reesi DD 468 Oulastrea crispata LC 469 Oxypora crassispinosa LC 470 Oxypora glabra LC 471 Oxypora lacera NOT 472 Pachyseris foliosa LC 473 Pachyseris gemmae NT 474 Pachyseris rugosa VU 475 Pachyseris speciosa LC 476 Palauastrea ramosa NT 477 Paraclavarina triangularis NT 478 Pavona bipartita VU 479 Pavona cactus VU 480 Pavona chiriquiensis LC 481 Pavona clavus LC
195
No Scientific name Red list Category
482 Pavona danai VU 483 Pavona decussata VU 484 Pavona diffluens VU 485 Pavona divaricata NOT 486 Pavona duerdeni LC 487 Pavona explanulata LC 488 Pavona frondifera LC 489 Pavona gigantea LC 490 Pavona maldivensis LC 491 Pavona minuta NT 492 Pavona varians LC 493 Pavona venosa VU 494 Pectinia africanus VU 495 Pectinia alcicornis VU 496 Pectinia lactuca VU 497 Pectinia paeonia NT 498 Pectinia teres NOT 499 Physogyra lichtensteini VU 500 Physophyllia ayleni NOT 501 Platygyra acuta NT 502 Platygyra carnosa NOT 503 Platygyra contorta LC 504 Platygyra crosslandi NT 505 Platygyra daedalea LC 506 Platygyra lamellina NT 507 Platygyra pini LC 508 Platygyra ryukyuensis NT 509 Platygyra sinensis LC 510 Platygyra verweyi NT 511 Plesiastrea versipora LC 512 Pocillopora acuta NOT 513 Pocillopora aliciae NOT 514 Pocillopora ankeli VU 515 Pocillopora brevicornis NOT 516 Pocillopora capitata LC 517 Pocillopora damicornis LC 518 Pocillopora danae VU 519 Pocillopora effusa NOT 520 Pocillopora elegans VU 521 Pocillopora eydouxi NT 522 Pocillopora grandis EN
No Scientific name Red list Category
523 Pocillopora indiania VU 524 Pocillopora inflata VU 525 Pocillopora ligulata LC 526 Pocillopora meandrina LC 527 Pocillopora molokensis DD 528 Pocillopora verrucosa LC 529 Pocillopora woodjonesi LC 530 Pocillopora zelli LC 531 Podabacia crustacea LC 532 Podabacia motuporensis NT 533 Polyphyllia novaehiberniae NT 534 Polyphyllia talpina LC 535 Porites annae NT 536 Porites aranetai VU 537 Porites astreoides LC 538 Porites attenuata VU 539 Porites australiensis LC 540 Porites baueri DD 541 Porites bernardi LC 542 Porites branneri NT 543 Porites brighami LC 544 Porites colonensis DD 545 Porites columnaris LC 546 Porites compressa LC 547 Porites cumulatus VU 548 Porites cylindrica NT 549 Porites deformis NT 550 Porites densa NT 551 Porites divaricata LC 552 Porites duerdeni LC 553 Porites echinulata NT 554 Porites eridani EN 555 Porites evermanni DD 556 Porites flavus DD 557 Porites furcata LC 558 Porites harrisoni NT 559 Porites hawaiiensis NOT 560 Porites heronensis NOT 561 Porites horizontalata VU 562 Porites latistellata LC 563 Porites lichen LC
196
No Scientific name Red list Category
564 Porites lobata NT 565 Porites lutea LC 566 Porites mayeri LC 567 Porites monticulosa LC 568 Porites murrayensis NT 569 Porites negrosensis NT 570 Porites nigrescens VU 571 Porites nodifera LC 572 Porites panamensis LC 573 Porites porites LC 574 Porites profundus LC 575 Porites pukoensis LC 576 Porites rus LC 577 Porites solida LC 578 Porites somaliensis NT 579 Porites stephensoni NT 580 Porites superfusa LC 581 Porites sverdrupi VU 582 Porites vaughani LC 583 Psammocora albopicta DD 584 Psammocora contigua NT 585 Psammocora digitata NT 586 Psammocora haimeana LC 587 Psammocora haimiana LC 588 Psammocora nierstraszi LC 589 Psammocora obtusangula NT 590 Psammocora profundacella LC 591 Psammocora stellata VU 592 Psammocora superficialis LC 593 Psammocora vaughani NT 594 Pseudosiderastrea tayamai NOT 595 Pseudosiderastrea tayami NT 596 Sandalolitha dentata LC 597 Sandalolitha robusta LC 598 Scapophyllia cylindrica LC 599 Scolymia australis LC 600 Scolymia cubensis LC 601 Scolymia lacera LC 602 Scolymia vitiensis NT 603 Scolymia wellsii NOT 604 Seriatopora aculeata VU
No Scientific name Red list Category
605 Seriatopora angulata VU 606 Seriatopora caliendrum NT 607 Seriatopora dentritica NOT 608 Seriatopora guttatus NOT 609 Seriatopora hystrix LC 610 Seriatopora stellata NT 611 Siderastrea radians LC 612 Siderastrea savignyana LC 613 Siderastrea siderea LC 614 Siderastrea stellata DD 615 Solenastrea bournoni LC 616 Solenastrea hyades LC 617 Stylaraea punctata DD 618 Stylocoeniella armata LC 619 Stylocoeniella guentheri LC 620 Stylophora danae LC
621 Stylophora madagascarensis EN
622 Stylophora mamillata LC 623 Stylophora pistillata NT 624 Stylophora prostrata NT 625 Stylophora subseriata LC 626 Stylophora wellsi NT 627 Symphyllia agaricia LC 628 Symphyllia radians LC 629 Symphyllia recta LC 630 Symphyllia valenciennesii LC 631 Symphyllia wilsoni LC 632 Trachyphyllia geoffroyi NT 633 Zoopilus echinatus LC
197
Appendix S.4. 2. List of species’ conservation status in the kelp biome based on the IUCN Red List. No Scientific name Red list
Category 1 Agarum clathratum NOT 2 Agarum turneri NOT 3 Alaria angusta NOT 4 Alaria crassifolia NOT 5 Alaria crispa NOT 6 Alaria esculenta NOT 7 Alaria marginata NOT 8 Alaria praelonga NOT 9 Alaria pylaii NOT
10 Chorda filum NOT 11 Costaria costata NOT 12 Dictyoneuropsis reticulata NOT 13 Ecklonia biruncinata NOT 14 Ecklonia brevipes NOT 15 Ecklonia cava NOT 16 Ecklonia fastigiata NOT 17 Ecklonia kurome NOT 18 Ecklonia maxima NOT 19 Ecklonia muratii NOT 20 Ecklonia radiata NOT 21 Ecklonia richardiana NOT 22 Ecklonia stolonifera NOT 23 Egregia menziesii NOT 24 Eisenia cokeri NOT 25 Eualaria fistulosa NOT 26 Laminaria abyssalis NOT 27 Laminaria brasiliensis NOT 28 Laminaria digitata NOT 29 Laminaria ephemera NOT 30 Laminaria farlowii NOT 31 Laminaria hyperborea NOT 32 Laminaria ochroleuca NOT 33 Laminaria pallida NOT 34 Laminaria rodriguezii NOT
No Scientific name Red list Category
35 Laminaria setchellii NOT 36 Laminaria sinclairii NOT 37 Laminaria solidungula NOT 38 Laminaria yezoensis NOT 39 Lessonia adamsiae NOT 40 Lessonia brevifolia NOT 41 Lessonia corrugata NOT 42 Lessonia flavicans NOT 43 Lessonia nigrescens NOT 44 Lessonia tholiformis NOT 45 Lessonia trabeculata NOT 46 Lessonia variegata NOT 47 Lessoniopsis littoralis NOT 48 Macrocystis pyrifera NOT 49 Nereocystis luetkeana NOT 50 Pelagophycus porra NOT 51 Pleurophycus gardneri NOT 52 Postelsia palmaeformis NOT 53 Pterygophora californica NOT 54 Saccharina angustata NOT 55 Saccharina bongardiana NOT 56 Saccharina cichorioides NOT 57 Saccharina complanata NOT 58 Saccharina dentigera NOT 59 Saccharina japonica NOT 60 Saccharina latissima NOT 61 Saccharina longicruris NOT 62 Saccharina sculpera NOT 63 Saccharina sessilis NOT
64 Streptophyllopsis kuroshioense NOT
65 Thalassiophyllum clathrum NOT 66 Undaria pinnatifida NOT 67 Eisenia galapagensis VU
198
Appendix S.4. 3. List of species’ conservation status in the mangrove biome based on the IUCN Red List. No Scientific name Red list
Category 1 Acanthus ebracteatus LC 2 Acanthus ilicifolius LC 3 Acrostichum aureum LC 4 Acrostichum danaeifolium LC 5 Acrostichum speciosum LC 6 Aegialitis annulata LC 7 Aegialitis rotundifolia NT 8 Aegiceras corniculatum LC 9 Aegiceras floridum NT
10 Aglaia cucullata DD 11 Avicennia alba LC 12 Avicennia bicolor VU 13 Avicennia germinans LC 14 Avicennia integra VU 15 Avicennia marina LC 16 Avicennia officinalis LC 17 Avicennia schaueriana LC 18 Bruguiera cylindrica LC 19 Bruguiera exaristata LC 20 Bruguiera gymnorhiza LC 21 Bruguiera hainesii CR 22 Bruguiera parviflora LC 23 Bruguiera rhynchopetala NOT 24 Bruguiera sexangula LC
25 Camptostemon philippinensis EN
26 Camptostemon schultzii LC 27 Ceriops australis LC 28 Ceriops decandra NT 29 Ceriops tagal LC 30 Cynometra iripa LC 31 Dolichandrone spathacea LC 32 Excoecaria agallocha LC
No Scientific name Red list Category
33 Excoecaria indica DD 34 Heritiera fomes EN 35 Heritiera globosa EN 36 Heritiera littoralis LC 37 Kandelia candel LC 38 Kandelia obovata LC 39 Laguncularia racemosa LC 40 Lumnitzera littorea LC 41 Lumnitzera racemosa LC 42 Mora oleifera VU 43 Nypa fruticans LC 44 Osbornia octodonta LC 45 Pelliciera rhizophorae VU 46 Pemphis acidula Forst. LC 47 Rhizophora harrisonii NOT 48 Rhizophora lamarckii NOT 49 Rhizophora mangle LC 50 Rhizophora mucronata LC 51 Rhizophora racemosa LC 52 Rhizophora samoensis NT 53 Rhizophora stylosa LC 54 Scyphiphora hydrophylacea LC 55 Sonneratia alba LC 56 Sonneratia apetala LC 57 Sonneratia caseolaris LC 58 Sonneratia griffithii CR 59 Sonneratia gulngai NOT 60 Sonneratia lanceolata LC 61 Sonneratia ovata NT 62 Tabebuia palustris VU 63 Xylocarpus granatum LC 64 Xylocarpus moluccensis LC
199
Appendix S.4. 4. List of species’ conservation status in the mangrove biome based on the IUCN Red List.
No Scientific name Red list Category
1 Amphibolis antarctica LC 2 Amphibolis griffithii LC 3 Cymodocea angustata LC 4 Cymodocea nodosa LC 5 Cymodocea rotundata LC 6 Cymodocea serrulata LC 7 Enhalus acoroides LC 8 Halodule beaudettei DD 9 Halodule emarginata DD
10 Halodule pinifolia LC 11 Halodule uninervis LC 12 Halodule wrightii LC 13 Halophila australis LC 14 Halophila baillonis NOT 15 Halophila beccarii VU 16 Halophila capricorni LC 17 Halophila decipiens LC 18 Halophila engelmannii NOT 19 Halophila hawaiiana VU 20 Halophila johnsonii LC 21 Halophila minor LC 22 Halophila nipponica NT 23 Halophila ovalis LC 24 Halophila ovata LC 25 Halophila spinulosa LC 26 Halophila stipulacea LC 27 Halophila tricostata LC 28 Phyllospadix iwatensis VU 29 Phyllospadix japonicus EN 30 Phyllospadix scouleri LC 31 Phyllospadix serrulatus LC 32 Phyllospadix torreyi LC 33 Posidonia angustifolia LC 34 Posidonia australis NT 35 Posidonia coriacea LC 36 Posidonia denhartogii LC 37 Posidonia kirkmanii LC
No Scientific name Red list Category
38 Posidonia oceanica LC 39 Posidonia ostenfeldii LC 40 Posidonia robertsoniae LC 41 Posidonia sinuosa LC 42 Syringodium filiforme LC 43 Syringodium isoetifolium LC 44 Thalassia hemprichii LC 45 Thalassia testudinum LC 46 Thalassodendron ciliatum LC
47 Thalassodendron pachyrhizum LC
48 Zostera asiatica NT 49 Zostera caespitosa VU 50 Zostera capensis VU 51 Zostera capricorni LC 52 Zostera caulescens NT 53 Zostera chilensis EN 54 Zostera japonica LC 55 Zostera marina LC 56 Zostera muelleri LC 57 Zostera nigricaulis LC 58 Zostera noltii LC 59 Zostera polychlamys LC 60 Zostera tasmanica LC
200
Appendix S.5. 1. Projected change of the global distribution of (a) seagrass, (b) kelp, (c) zooxanthellate coral, and (d) mangrove biomes by 2100. Red areas are where the biome is predicted to increase its area covered, black where no change is projected, and blue where the biome is projected to decline.
(a)
Appendices
204
Appendix S.5. 2. Seagrass species environmental niche. The distribution ranges of seagrass species belonging to three families and seagrass-associated monocots on (a i) latitude, (a ii) latitudinal gradient, (b) longitude, (c) depth, (d) distance from the land, (e i) sea surface temperature, (e ii) sea surface temperature gradient, (f) salinity, (g) wave height, (h) pH, (i) nitrate concentration, (j) phosphate concentration. The dotted line represents the range of outliers. The box plot levels indicate the minimum, 25th percentile, mean (red bar), 75th percentile, and maximum value.
(a i)
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