Table 5.
Seasonal profile of bioconcentration factors (C [P.laevis] / C [barbel tissue]) for P. laevis calculated with respect to different host tissues
| Element/Season | Tissue | Spring | Summer | Autumn |
|---|---|---|---|---|
| As | Muscle | 3.8 | 4.8 | 10.3 |
| Intestine | 2.1 | 2.9 | 4.2 | |
| Liver | 1.6 | 1.9 | 3.4 | |
| Cd | Muscle | 103.3 | 132.7 | 116.7 |
| Intestine | 10.1 | 11.7 | 18.3 | |
| Liver | 15.3 | 16.0 | 16.8 | |
| Co | Muscle | 4.4 | 5.7 | 8.3 |
| Intestine | 0.5 | 0.6 | 0.7 | |
| Liver | 1.9 | 2.3 | 2.8 | |
| Cu | Muscle | 50.7 | 33.9 | 77.2 |
| Intestine | 10.0 | 11.1 | 12.4 | |
| Liver | 4.4 | 4.0 | 6.6 | |
| Fe | Muscle | 5.8 | 4.0 | 3.8 |
| Intestine | 0.9 | 0.6 | 0.3 | |
| Liver | 1.1 | 0.5 | 0.6 | |
| Mn | Muscle | 12.8 | 21.9 | 20.0 |
| Intestine | 1.1 | 1.0 | 0.6 | |
| Liver | 3.7 | 5.1 | 6.2 | |
| Mo | Muscle | 7.0 | 5.9 | 5.0 |
| Intestine | 0.8 | 1.6 | 1.2 | |
| Liver | 0.2 | 0.4 | 0.3 | |
| Ni | Muscle | 2.2 | 0.8 | 1.9 |
| Intestine | 1.7 | 0.2 | 0.4 | |
| Liver | 8.3 | 2.6 | 2.1 | |
| Pb | Muscle | 1,194.4 | 1,250.0 | 794.4 |
| Intestine | 78.1 | 42.2 | 20.2 | |
| Liver | 211.3 | 151.1 | 158.1 | |
| V | Muscle | 2.0 | 2.8 | 5.2 |
| Intestine | 0.5 | 0.3 | 0.3 | |
| Liver | 0.6 | 0.6 | 1.1 | |
| Zn | Muscle | 13.6 | 7.3 | 24.9 |
| Intestine | 5.6 | 3.3 | 9.0 | |
| Liver | 3.4 | 1.8 | 5.1 |