Global J. Environ. Res., 1 (3): 117-123, 2007

119

R2 (WATER)= 0.2795

R2 (FISH)= 0.5889

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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

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UNIVERSITY OF IBADAN

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INTERNATIONAL INSTITUTE OF TROPICAL AGRICULTURE

Moor Plantation

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609000

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812000 812000

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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

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N

4 0 4 8 12 16 Kilometers

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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

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612000

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621000

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00

810000

8190

00

819000

8280

00

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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