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| one publication added to basket [280941] |
Bioaccumulation of PCBs in the sea urchin Paracentrotus lividus: seawater and food exposures to a 14C-radiolabelled congener (PCB#153)
Danis, B.; Cotret, O.; Teyssié, J.L.; Bustamante, P.; Fowler, S.W.; Warnau, M. (2005). Bioaccumulation of PCBs in the sea urchin Paracentrotus lividus: seawater and food exposures to a 14C-radiolabelled congener (PCB#153). Environ. Pollut. 135(1): 11-16. https://dx.doi.org/10.1016/j.envpol.2004.10.011
In: Environmental Pollution. Elsevier: Barking. ISSN 0269-7491; e-ISSN 1873-6424, meer
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| Trefwoorden |
Echinodermata [WoRMS]; Paracentrotus lividus (Lamarck, 1816) [WoRMS]
Marien/Kust |
| Author keywords |
PCB; bioaccumulation; echinoderm; paracentrotus lividus |
| Auteurs | | Top |
- Danis, B., meer
- Cotret, O.
- Teyssié, J.L.
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- Bustamante, P.
- Fowler, S.W.
- Warnau, M.
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| Abstract |
Adult Paracentrotus lividus were exposed to a 14C-labelled PCB congener (PCB#153) using two different exposure modes: (1) the surrounding sea water and (2) the food (viz. the phanerogam Posidonia oceanica and the brown alga Taonia atomaria). Uptake kinetics from water and loss kinetics after single feeding were followed in four body compartments of the sea urchins (body wall, spines, gut and gonads). Results indicate that PCB bioaccumulation in P. lividus varies from one body compartment to another, with the exposure mode and the nature of the food. The echinoids accumulate PCB#153 more efficiently when exposed via water than via the food (the transfer efficiency is higher by one order of magnitude). Target body compartments of PCB#153 were found to be body wall and spines when individuals were exposed via water, and gut when they were exposed via food. It is concluded that P. lividus is an efficient bioaccumulator of PCB and that it could be considered as an interesting indicator for monitoring PCB contamination in the marine environment. |
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