1. Pengenalan hutan hujan tropis - University of...

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Pengenalan hutan hujan tropis Andrew J. Marshall Kuliah Lapanagan Taman Nasional Gunung Palung 24 Juni – 5 Juli 2019

Transcript of 1. Pengenalan hutan hujan tropis - University of...

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Pengenalan hutan hujan tropis

Andrew J. Marshall

Kuliah Lapanagan Taman Nasional Gunung Palung

24 Juni – 5 Juli 2019

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Tujuan kegiatan

1. Meningkatkan pemahaman tentang hutan tropis dan satwa liar di dalamnya (Vertebrata),

2. Meningkatkan kesadaran pentingnya keanekaragaman hayati hutan hujan tropis dan upaya konservasinya,

3. Mengajarkan keterampilan dasar kepada para peserta yang akan membantu kalian untuk melakukan survey secara efektif dan mengelola hutan tropis.

4. Membangun keahlian dalam merancang penelitian, implementasinya, analisa data dan presentasi.

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http://sites.lsa.umich.edu/ajmarsha/kuliah-lapangan-2019/

Semua materi yang ditunjukkan salama kuliah lapangan ini akan tersedia di:

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Pengenalan hutan hujan tropis

1. Fakta-fakta dasar

2. Tipe hutan di TNGP

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Pengenalan hutan hujan tropis

>1. Fakta-fakta dasar

2. Tipe hutan di TNGP

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ukiran dari Flora Brasiliensis von Martius 1840

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halaman depan dari A. R. Wallace’s The Malay Archipelago

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cauliflory

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cauliflory

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geocarpic figs

Ficus sect. Sycocarpus

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Nepenthes spp.

Narrow-lidded pitcher plant (Nepenthes ampullaria)

Slender pitcher plant (Nepenthes gracilis)

Nepenthes gracilis

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Labah-labah kepiting, Misumenops nepenthicola, dalam Nepenthes rafflesiana

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Kepiting, Geosesarma perracae, dalam kantong semar

Tan & Ng 2008

Geosesarma perracae

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Bulbophyllum cimicinum

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panjangnya ~ 50 cm

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Fakta-fakta dasar

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1. Komunitas tumbuhan sangat tergantung hujan dan suhu

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jumlah hujan (mm)

1000

2000

3000

4000

suhu rata (ºC)

25 15 5 -5 -15

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Pola penyebaran hutan tropisPola penyebaran hutan tropis

23.5�

N s/d 23.5�

S; Suhu: 20-25�

C; Curah hujan: �2,000 mm.

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Hutan di CambodiaHutan di Cambodia

(kurang hujan)

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Hutan di InggerisHutan di Inggeris

berapa jenis pohon?

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2. Keanekaragaman hayati sangat tinggi di hutan tropis

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Pola penyebaran keanekaragaman hayati

tumbuhan

Pola penyebaran keanekaragaman hayati tumbuhan

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Hoffmann et al. 2010 Science

35

Fig S4. Global patterns of vertebrate diversity, for land (terrestrial and freshwater, in brown) and marine (in blue) vertebrates. (A) Total number of species. (B) Residuals of the relationship between total number of species and total number of Threatened species per cell, where positive values (red) represent cells with higher threat than expected for their richness alone, and negative values (gray) represent cells with equal or lower threat than expected for richness alone. (C) Data Deficient species.

Vertebrate species richness

152

306498

7651655

Terrestrial

Marine

44

75116179321

Pola penyebaran keanekaragaman hayati vertebrat

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Jenis ‘baru’

Thottea palungensis

Jenis ‘baru’

Thottea palungensis

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Jamur2

Tidak pernah diteliti!

Jamur-jamur

Tidak pernah diteliti!

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3. Tanah di hutan tropics sangat kurang subur

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Temperate deciduous forest Coniferous forest Grassland

DesertTopical rain forest

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hutan hujan Amazon

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4. Sisa hutan tropis di dunia semakin sedikit

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kehilangan hutan tropis

> 0.5% kehilangan per tahun > 0.5% tambahan per tahun perubahan < 0.5% per tahun

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35

Fig S4. Global patterns of vertebrate diversity, for land (terrestrial and freshwater, in brown) and marine (in blue) vertebrates. (A) Total number of species. (B) Residuals of the relationship between total number of species and total number of Threatened species per cell, where positive values (red) represent cells with higher threat than expected for their richness alone, and negative values (gray) represent cells with equal or lower threat than expected for richness alone. (C) Data Deficient species.

Number of threatened vertebrate species (controlling for species richness)

-21-416

3496

Terrestrial

Marine

-20

-52822

Hoffmann et al. 2010 Science

Jumlah species vertebrat yang terancam punah

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birds, mammals, and amphibians; Hoffmann et al. 2010 Science

36

Fig S5. Global patterns of change in overall extinction risk across birds, mammals and amphibians (for the periods plotted in Fig 3) mapped as average number of genuine Red List category changes per cell per year. (A) Deteriorations (i.e., increasing extinction risk). (B) Improvements (i.e. decreasing extinction risk). In B, the uniform pattern of improvement at sea is driven by improvements of migratory marine mammals with cosmopolitan distributions (e.g., Humpback Whale). Deteriorations (e.g., Nightingale Reed-warbler Acrocephalus luscinius in the Northern Mariana Islands) and improvements (e.g., Rarotonga Monarch Pomarea dimidiata in the Cook Islands) on islands are hard to discern.

Average number of IUCN Red List changes/year/cell (1980–2010)

0.0

-0.37

-0.90

-2.63

-4.55

-6.15

Perubahan tingkat ancaman vertebrat

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5. Ada beberapa bentuk tumbuhan di hutan tropis

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Bentuk tumbuhan di hutan tropis

Pohon

Epifit

Hemi-epifit

Liana (akar)

Tumbuhan terrestrial (dekat tanah)

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Pohon

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Epifit

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Epifit

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Hemi-epifit

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Strangler figs

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Strangler figs

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Liana (akar)

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Tumbuhan terrestrial (dekat tanah)

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Pengenalan hutan hujan tropis

1. Fakta-fakta dasar

>2. Tipe hutan di TNGP

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Tipe hutan di TNGP

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Hutan bakau

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Hutan rawa gambut

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Hutan rawa air tawar

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Dataran rendahDataran rendah

Dipterocarpaceae!

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Dataran sedang (bukit)Bukit

Myrtaceae, Lauraceae

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PergununganHutan pergunungan

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Hutan rawa gambut

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Riau Province, Sumatra

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Nepenthes spp.

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tanah tidak subur

pohon tumbuh pelan-pelan

produktivitas rendah

daun-daun beracun

makanan tak bergizimakanan sedikit

habitat dengan kwalitas rendah untuk hewan

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0

2

4

6

8

10

12

14

PeatSwamp

FreshwaterSwamp

AlluvialBench

LowlandSandstone

LowlandGranite

UplandGranite

Montane

Den

isty

(ind

iv/k

m2)

+/-

SE

Gibbons

Leaf monkeys

Kelempiau

Kelasi

PegununganRawagambut

Rawaair tawar

Pinggirsungai

Batu kapur

Granit rendah

Granit sedang

Ke

pada

tan

(indi

vidu

/km

2 )Kepadatan kelempiau dan kelasi di Cabang Panti

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Selamat datang!Selamat datang!

...ke hutan yang terindah di seluruh dunia!

Cabang Panti: hutan terindah di seluruh dunia

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http://sites.lsa.umich.edu/ajmarsha/kuliah-lapangan-2019/

Semua materi yang ditunjukkan salama kuliah lapangan ini akan tersedia di:

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Ucapan terima kasih

• Lande, Surya, Dika, Zakaria

• Tim Laman (untuk foto2 yg hebat)

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Ucapan terima kasih

Dukungan dan kemitraan

Perdanahan