Table 2.
Chemical profile based on concentrations of metals and hydrocarbons measured in whole-body tissues of A. flexuosa exposed to sediments from Mucuripe Bay. Values expressed in dry weight. Reference site located at Icapuí.
| Sample | Time | As (μg g−1) | Cd (μg g−1) | Cr (μg g−1) | Cu (μg g−1) | Ni (μg g−1) | Pb (μg g−1) | Zn (μg g−1) | ΣAHs (μg g−1) | ΣPAHs (ng g−1) | ΣLABs (ng g−1) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Survey 1 | |||||||||||
| Control | Day 0 | 4.1 | 0.5 | 0.7 | 10.1 | 1.2 | <0.2 | 29.1 | 8.6 | 195.0 | 271.7 |
| Reference | Day 7 | 6.7 | 0.7 | 0.4 | 9.3 | 0.6 | <0.2 | 37.7 | 15.9 | 87.1 | 290.9 |
| Reference | Day 14 | 9.0 | 0.8 | 0.9 | 9.5 | 1.4 | <0.2 | 57.5 | 13.9 | 84.7 | 504.1 |
| Reference | Day 21 | 6.1 | 0.5 | 0.6 | 16.4 | 0.9 | <0.2 | 44.4 | 15.7 | 135.0 | 511.2 |
| Reference | Day 28 | 5.2 | 0.7 | 1.3 | 8.1 | 0.7 | <0.2 | 57.9 | 17.4 | 198.6 | 327.5 |
| MD1 | Day 7 | 5.4 | 0.6 | 0.5 | 22.5 | 0.6 | <0.2 | 38.5 | 24.1 | 271.1 | 664.2 |
| MD1 | Day 14 | 5.6 | 0.7 | 0.5 | 23.9 | 0.6 | <0.2 | 39.2 | 17.1 | 389.3 | 762.7 |
| MD1 | Day 21 | 6.1 | 0.6 | 0.7 | 11.0 | 1.1 | <0.2 | 48.7 | 26.0 | 446.0 | 882.4 |
| MD1 | Day 28 | 6.1 | 0.6 | 1.2 | 12.2 | 1.5 | 0.5 | 50.7 | 28.9 | 468.2 | 801.8 |
| MD2 | Day 7 | 5.8 | 0.5 | 0.6 | 12.3 | 1.2 | <0.2 | 40.9 | 15.9 | 369.2 | 518.1 |
| MD2 | Day 14 | 5.7 | 0.8 | 0.4 | 9.1 | 0.9 | <0.2 | 40.1 | 15.3 | 269.5 | 751.2 |
| MD2 | Day 21 | 5.9 | 1.1 | 3.2 | 9.9 | 1.0 | <0.2 | 44.7 | 17.5 | 263.2 | 424.5 |
| MD2 | Day 28 | 5.6 | 0.8 | 0.7 | 12.3 | 1.2 | 0.5 | 46.3 | 18.2 | 376.6 | 517.9 |
| MD3 | Day 7 | 4.8 | 0.6 | 0.7 | 13.2 | 0.9 | <0.2 | 36.1 | 10.8 | 241.0 | 722.4 |
| MD3 | Day 14 | 5.6 | 0.8 | 0.5 | 10.2 | 0.8 | <0.2 | 42.2 | 16.6 | 252.4 | 598.2 |
| MD3 | Day 21 | 7.3 | 0.9 | 1.0 | 10.4 | 0.7 | <0.2 | 45.6 | 14.9 | 246.2 | 448.0 |
| MD3 |
Day 28 |
6.3 |
2.6 |
0.5 |
13.1 |
1.2 |
<0.2 |
45.2 |
21.9 |
221.9 |
551.3 |
| Survey 2 | |||||||||||
| Control | Day 0 | 5.4 | 1.0 | 0.4 | 8.9 | 1.0 | <0.2 | 39.4 | 9.4 | 132.9 | 267.7 |
| Reference | Day 7 | 4.9 | 0.9 | 0.5 | 9.2 | 0.7 | <0.2 | 42.6 | 14.6 | 196.9 | 553.6 |
| Reference | Day 14 | 7.0 | 0.7 | 0.6 | 13.3 | 0.8 | <0.2 | 43.1 | 10.4 | 152.3 | 415.6 |
| Reference | Day 21 | 7.9 | 1.4 | 0.8 | 9.6 | 0.7 | <0.2 | 42.4 | 15.4 | 177.5 | 470.2 |
| Reference | Day 28 | 6.7 | 0.7 | 0.5 | 9.7 | 0.7 | 0.3 | 41.0 | 12.2 | 154.1 | 380.5 |
| MD1 | Day 7 | 5.2 | 0.8 | 0.4 | 8.6 | 0.7 | 0.3 | 35.6 | 15.4 | 450.8 | 668.3 |
| MD1 | Day 14 | 6.3 | 0.7 | 0.4 | 11.0 | 0.6 | <0.2 | 42.8 | 17.3 | 290.8 | 767.2 |
| MD1 | Day 21 | 4.9 | 1.0 | 0.4 | 6.7 | 0.5 | <0.2 | 35.7 | 10.1 | 293.8 | 855.4 |
| MD1 | Day 28 | 7.4 | 1.2 | 0.5 | 8.5 | 0.8 | <0.2 | 41.9 | 22.3 | 291.1 | 1204.9 |
| MD2 | Day 7 | 5.9 | 1.9 | 0.3 | 13.4 | 0.6 | <0.2 | 39.5 | 14.3 | 160.7 | 496.6 |
| MD2 | Day 14 | 5.8 | 0.8 | 0.4 | 8.6 | 0.5 | <0.2 | 42.5 | 24.4 | 404.7 | 679.6 |
| MD2 | Day 21 | 5.8 | 0.9 | 0.5 | 11.9 | 0.6 | 0.6 | 45.3 | 16.5 | 329.4 | 735.2 |
| MD2 | Day 28 | 5.6 | 0.9 | 0.6 | 9.2 | 0.8 | <0.2 | 42.4 | 23.6 | 401.3 | 1049.6 |
| MD3 | Day 7 | 6.9 | 1.0 | 0.5 | 8.2 | 0.6 | <0.2 | 40.4 | 16.3 | 208.7 | 465.5 |
| MD3 | Day 14 | 5.7 | 0.6 | 0.5 | 30.2 | 0.9 | <0.2 | 47.0 | 9.5 | 308.6 | 596.3 |
| MD3 | Day 21 | 4.6 | 0.9 | 0.5 | 10.9 | <0.4 | <0.2 | 39.5 | 11.6 | 137.0 | 769.6 |
| MD3 | Day 28 | 6.7 | 1.7 | 0.5 | 14.9 | 0.7 | 1.3 | 45.4 | 14.4 | 144.5 | 779.4 |