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|Early contamination of European flounder (Platichthys flesus) by PCDD/Fs and dioxin-like PCBs in European waters|Nunes, M.; Martinho, F.; Vernisseau, A.; Marchand, P.; Le Bizec, B.; van der Veer, H.W.; Cabral, H.N.; Ramos, F.; Pardal, M.A. (2014). Early contamination of European flounder (Platichthys flesus) by PCDD/Fs and dioxin-like PCBs in European waters. Mar. Pollut. Bull. 85(1): 292–296. dx.doi.org/10.1016/j.marpolbul.2014.05.042
In: Marine Pollution Bulletin. Macmillan: London. ISSN 0025-326X; e-ISSN 1879-3363, meer
Pisces [WoRMS]; Pleuronectes platessa Linnaeus, 1758 [WoRMS]
PCDD/Fs; PCBs; Fish; Flounder; Juvenile; Atlantic
|Auteurs|| || Top |
- Nunes, M.
- Martinho, F.
- Vernisseau, A.
- Marchand, P.
- Le Bizec, B.
- van der Veer, H.W., meer
- Cabral, H.N.
- Ramos, F.
- Pardal, M.A.
Contamination levels and profiles of 7 polychlorinated-p-dioxins, 10 polychlorinated furans (PCDD/Fs) and 12 dioxin-like polychlorinated biphenyls (dl-PCBs) were investigated in juvenile European flounder (Platichthys flesus) captured in different nursery areas in the northeastern Atlantic coast across its geographical distribution range. The toxic equivalent concentrations (WHO-TEQfish) were also determined in order to evaluate which P. flesus population was more exposed to dioxin-like toxicity. Juveniles caught in the Sørfjord (Norway) showed the lowest WHO-TEQfish concentration (0.052 pg WHO-TEQfish g-1 wet weight) whereas the highest value was observed in fish from the Wadden Sea (The Netherlands; 0.291 pg WHO-TEQfish g-1 ww), mainly due to the greater contribution of 2,3,7,8-tetrachlorodibenzo-p-dioxin, the most toxic congener. Nonetheless, when comparing the results with existent tissue residue-based toxicity benchmarks, no adverse effects resulting from PCDD/Fs and dl-PCBs are expected to occur in flounder from the studied systems.