Table 1 Toxic trace metals (Hg, Cd, Pb and As) concentration and total amount of particular trace metals present in S. variolaris at Mount-lavinia reef (n = 6) with standard deviation (± SD)
Test diameter (cm) | Total gonad weight (g) | Hg | Cd | Pb | As | ||||
|---|---|---|---|---|---|---|---|---|---|
Average (Hg) (µg/kg) | Total Hg (µg) | Average (Cd) (µg/kg) | Total Cd (µg) | Average (Pb) (µg/kg) | Total Pb (µg) | Average (As) (µg/kg) | Total As (µg) | ||
3.70 | 1.77 | 0.00 (± 0.00) | 0.00 | 47.81 (± 19.58) | 0.08 | 0.00 (± 0.00) | 0.00 | 0.00 (± 0.00) | 0.00 |
4.50 | 1.92 | 0.00 (± 0.00) | 0.00 | 48.38 (± 9.42) | 0.09 | 0.00 (± 0.00) | 0.00 | 1637.16 (± 396.96) | 3.14 |
5.10 | 3.10 | 9.68 (± 0.82) | 0.03 | 156.69 (± 2.63) | 0.49 | 0.00 (± 0.00) | 0.00 | 50.27 (± 156.08) | 0.16 |
6.20 | 10.07 | 0.00 (± 0.00) | 0.00 | 158.03 (± 2.73) | 1.59 | 0.00 (± 0.00) | 0.00 | 305.31 (± 64.61) | 3.07 |
7.10 | 8.63 | 4.74 (± 0.91) | 0.04 | 217.00 (± 0.78) | 1.87 | 0.00 (± 0.00) | 0.00 | 434.28 (± 324.83) | 3.75 |
8.90 | 18.69 | 14.40 (± 5.33) | 0.27 | 336.10 (± 21.46) | 6.28 | 0.00 (± 0.00) | 0.00 | 1805.87 (± 104.54) | 33.75 |