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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, more
Peer reviewed article  

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Keywords
    Pisces [WoRMS]; Pleuronectes platessa Linnaeus, 1758 [WoRMS]
Author keywords
    PCDD/Fs; PCBs; Fish; Flounder; Juvenile; Atlantic

Authors  Top 
  • Nunes, M.
  • Martinho, F.
  • Vernisseau, A.
  • Marchand, P.
  • Le Bizec, B.
  • van der Veer, H.W., more
  • Cabral, H.N.
  • Ramos, F.
  • Pardal, M.A.

Abstract
    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.

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