Table 2 Heavy metal concentrations and MPI in gills during winter and summer seasons, 2019
Seasons | Sites | Fe (mg/kg dry weight) | Cu (mg/kg dry weight) | Zn (mg/kg dry weight) | Cd (mg/kg dry weight) | Pb (mg/kg dry weight) | Ni (mg/kg dry weight) | MPI |
|---|---|---|---|---|---|---|---|---|
Winter | Western sector | 136.80±5.60 | 5.04±1.65 | 62.59±4.35 | 0.04±0.03 | 0.40±0.39 | 3.05±0.09 | 3.58 |
Northern sector | 153.79±4.09 | 4.77±1.76 | 52.85±3.00 | 0.06±0.02 | 0.54±0.36 | 3.18±0.25 | 3.98 | |
Southern sector | 291.71±7.29 | 10.41±2.51 | 112.23±2.42 | 0.26±0.03 | 1.35±0.30 | 5.37±0.17 | 9.29 | |
Eastern sector | 346.33±16.02 | 10.91±1.99 | 124.99±5.61 | 0.35±0.02 | 1.49±0.18 | 4.84±0.07 | 10.30 | |
Mean | 232.16±93.50 | 7.78±3.46 | 88.16±32.53 | 0.18±0.14 | 0.95±0.57 | 4.11 ± 1.07 | 6.79 | |
B | A | B | A | A | A | |||
Summer | Western sector | 244.92±4.92 | 2.07±0.32 | 98.31±4.15 | 0.04±0.005 | 0.30±0.03 | 3.28±0.02 | 3.54 |
Northern sector | 277.13±4.43 | 2.98±0.22 | 108.82±4.38 | 0.12±0.004 | 0.73±0.07 | 3.88±0.02 | 5.59 | |
Southern sector | 345.39±4.79 | 14.47±0.13 | 134.12±7.76 | 0.43±0.04 | 2.12±0.08 | 6.13±0.04 | 12.46 | |
Eastern sector | 424.42±3.58 | 10.93±0.41 | 141.41±5.42 | 0.46±0.04 | 2.46±0.28 | 6.50±0.47 | 13.00 | |
Mean | 322.97±72.06 | 7.62±5.49 | 120.67±19.08 | 0.27±0.19 | 1.40±0.96 | 4.95±1.46 | 8.65 | |
A | A | A | A | A | A | |||
All over mean | Western sector | 190.86±59.41 | 3.56±1.94 | 80.45±19.93 | 0.04±0.02 | 0.35±0.26 | 3.17±0.14 |  |
c | b | b | b | b | b | |||
Northern sector | 215.46±69.66 | 3.88±1.49 | 80.83±30.84 | 0.09±0.03 | 0.64±0.25 | 3.53±0.41 | ||
c | b | b | b | b | b | |||
Southern sector | 318.55±29.92 | 12.44±2.73 | 123.18±13.04 | 0.35±0.10 | 1.73±0.46 | 5.75±0.43 | ||
b | a | a | a | a | a | |||
Eastern sector | 385.38±44.01 | 10.92±1.28 | 133.20±10.26 | 0.40±0.07 | 1.98±0.57 | 5.67±0.96 | ||
a | a | a | a | a | a |