Differential biomagnification of PCB, PBDE, Hg and Radiocesium in the food web of the European hake from the NW Mediterranean - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Marine Pollution Bulletin Année : 2012

Differential biomagnification of PCB, PBDE, Hg and Radiocesium in the food web of the European hake from the NW Mediterranean

Résumé

Consumption of marine organisms represents one of the main exposure sources of contaminants for human populations. To obtain a global view of the contamination in commercial fish in the NW Mediterranean Sea, we analysed four types of priority contaminants (PCBs, PBDEs, Hg and 137Cs) in the European hake, Merluccius merluccius, from the Gulf of Lions in relation with organism's trophic level (δ 15N). All contaminants presented a significant increase in concentration in hake muscle with trophic level. However, obvious differences between contaminants were evidenced. Biomagnification factors (BMF and FWMF) along the hake food web were higher for Hg and CB-153 than for BDE-47 and 137Cs, and increase in contaminant concentration with trophic level occurred at different rates depending on contaminants. Such differences of biomagnification patterns can be related to physico-chemical properties of the different contaminants. © 2012 Elsevier Ltd.

Dates et versions

hal-02909530 , version 1 (30-07-2020)

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Mireille L. Harmelin-Vivien, X. Bodiguel, S. Charmasson, V. Loizeau, C. Mellon-Duval, et al.. Differential biomagnification of PCB, PBDE, Hg and Radiocesium in the food web of the European hake from the NW Mediterranean. Marine Pollution Bulletin, 2012, 64 (5), pp.974-983. ⟨10.1016/j.marpolbul.2012.02.014⟩. ⟨hal-02909530⟩
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