Table 5.
Metals |
Fish samples (μg/g) |
Sediment samples (μg/g) |
WHO/EPA standard |
||||||
---|---|---|---|---|---|---|---|---|---|
M. cephalus (Mean ± SD) | O. mossambicus (Mean ± SD) | A. caelatus (Mean ± SD) | C. chanos (Mean ± SD) | L. fulviflamma (Mean ± SD) | T. jarbua (Mean ± SD) | Sst1 (Mean ± SD) | Sst 2 (Mean ± SD) | ||
Cd |
16.5 ± 0.4 |
26.25 ± 0.06 |
6.95 ± 0.21 |
14.4 ± 0.197 |
3.31 ± 0.5 |
0.9 ± 0.4 |
1.12 ± 0.01 |
1.83 ± 0.06 |
0.0-0.2 |
Co |
0.07 ± 0.002 |
0.05 ± 0.004 |
0.01 ± 0.001 |
0.02 ± 0.003 |
0.04 ± 0.02 |
0.03 ± 0.02 |
0.02 ± 0.001 |
0.03 ± 0.01 |
- |
Cr |
0.06 ± 0.005 |
0.09 ± 0.006 |
0.16 ± 0.04 |
0.8 ± 0.014 |
0.31 ± 0.1 |
0.22 ± 0.05 |
0.17 ± 0.008 |
0.19 ± 0.07 |
0.1-0.15 |
Fe |
1.5 ± 0.053 |
3.9 ± 0.034 |
3.2 ± 0.05 |
3.5 ± 0.01 |
5.7 ± 0.9 |
6.2 ± 2.1 |
26.6 ± 2.6 |
12.9 ± 1.2 |
4-48.0 |
Mn |
0.18 ± 0.003 |
0.67 ± 0.11 |
0.8 ± 0.03 |
0.6 ± 0.01 |
0.4 ± 0.3 |
0.2 ± 0.1 |
0.5 ± 0.16 |
0.42 ± 0.03 |
0.0025-0.005 |
Ni |
0.02 ± 0.002 |
0.04 ± 0.004 |
0.03 ± 0.003 |
0.03 ± 0.002 |
0.06 ± 0.09 |
0.05 ± 0.03 |
0.06 ± 0.01 |
0.13 ± 0.01 |
0.0-0.140 |
Pb |
0.05 ± 0.003 |
0.08 ± 0.005 |
0.09 ± 0.003 |
0.06 ± 0.003 |
0.4 ± 0.09 |
0.07 ± 0.01 |
0.8 ± 0.16 |
0.5 ± 0.36 |
0-1.5 |
Zn | 1.33 ± 0.04 | 4.15 ± 0.073 | 2.4 ± 0.121 | 2.04 ± 0.10 | 2.7 ± 0.31 | 1.7 ± 0.6 | 3.0 ± 0.20 | 2.15 ± 0.43 | 58-150 |
Sst1 Sediment site 1; Sst2 Sediment site 2.