Global J. Environ. Res., 1 (3): 117-123, 2007
119
R2 (WATER)= 0.2795
R2 (FISH)= 0.5889
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
Asejire Ogunpa Ona (a) Ona (b) Ona (c) Eleyele
Rivers
Lea
d le
vel Lead in water (mg/l)
Lead in Fish muscle (mg/kg)Linear (Lead in water (mg/l))
Linear (Lead in Fish muscle (mg/kg))
Fig. 1: Lead level in water and fish muscle from the different rivers sampled
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Liberty Stadium
Polytechnic
Okebola
Nigerian Breweries
Dai ry Farm
Gas
M.A.N.R
BCOSAgodi Garden
Adam asingba St ad ium
Muse um
Cultural Ctr .
Premier Hotel
Trans Amusement Park
Railway Stn.
High Court
New Garage
I.A.R.T
Trade Fair
Bola-Ige intmkt
Coca-Cola
New Bodija
Old Bodija
D' Rovans
Exide Bat.
Bower 'sTower
Oke Are
Water Reservoir
Tower Clock/Cenotaph
Ol ubadan Palace
Mapo Hall
Oke AremoAleshinloye Mkt.
Ekotedo
SaboMokola
N.T.A
NIGERIAN INSTITUTE OF SOCI AL AND ECONOMIC RESE ARCH
OLOPOMEWAELEYELE CATCHMENT AREA
NIHORT FARMS
APATA GANGA
OLUYOLE ESTATE
OLD BODIJA
BABANLA
OLURINDE
OLOMI
AIRPORT
ADEGBAYI
OLODE
WAKAJAYEMONATAN
KAJOLA
AKOBO HOUSING ESTATE
ISALE I JEBU
MOTALA
OLORUNSOGO
IL E TITUN
NEW ADE OYO STATE HOSP ITAL
OLUYOLE ESTATE
JERICHO GRA
JE RICHO
APETE
UNIVERSITY OF IBADAN
ODO-ONA
ORITA IKEREKU
ODO-OBA
JAGUN
ODOGBO ARMY BA RRACKSOROGUN
AGBOWO
STATE SECRETARIAT
UCH
OLOBA
JAGUN
OKE-ADO
AJIBODE
OJOO
INTERNATIONAL INSTITUTE OF TROPICAL AGRICULTURE
Moor Plantation
595000
595000
602000
602000
609000
609000
812000 812000
819000 819000
826000 826000
N
Medium_residentialLow den_resdHigh des_resdUrban_1964Urban_95InstitutionalRailwayRiversLakesRoadsCommercial _Luse
%U SettlementsÑ Major_Landmarks
Entry/Exit points
2 0 2 4 Kilometers
Legend
Fig. 2: Map of Ibadan, the study area
Global J. Environ. Res., 1 (3): 117-123, 2007
120
Fig. 3: Map of Ibadan region showing sample points to be yellow after values has been imputed
Global J. Environ. Res., 1 (3): 117-123, 2007
121
#
#
#
#
#
#
585000
585000
594000
594000
603000
603000
612000
612000
621000
621000
8100
00
810000
8190
00
819000
8280
00
828000
N
4 0 4 8 12 16 Kilometers
Landuse TypesLight ForestSavannah WoodlandOpen GrasslandLow ShrubForest ReserveBuiltup AreaAirport Runway
LakesIbadan RiversLGA Boundaries
Sample PointsLead in Fish Tissue
MAP OF IBADAN
Fig. 4: Map showing a gis model bar graph indicating the level of lead contamination of sampled surface water
#
#
#
#
#
#
585000
585000
594000
594000
603000
603000
612000
612000
621000
621000
8100
00
810000
8190
00
819000
8280
00
828000
N
4 0 4 8 12 16 Kilometers
Landuse TypesLight ForestSavannah WoodlandOpen GrasslandLow ShrubForest ReserveBuiltup AreaAirport Runway
LakesIbadan RiversLGA Boundaries
Sample PointsLead in Fish Tissue
MAP OF IBADAN
Fig. 5: Map showing a gis model bar graph indicating levelof lead bioacumulation in fish tissue
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