Congener-specific accumulation and trophic transfer of polychlorinated biphenyls in spider crab food webs revealed by stable isotope analysis.

作者: N. Bodin , F. Le Loc'h , X. Caisey , A.-M. Le Guellec , A. Abarnou

DOI: 10.1016/J.ENVPOL.2007.01.051

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摘要: Abstract Polychlorobiphenyls (PCB) and stable isotopes ( δ 15 N 13 C) were analyzed in the spider crab Maja brachydactyla ) food web from Iroise Sea (Western Brittany) Seine Bay (Eastern English Channel). PCB concentrations all significantly higher organisms than those Sea. patterns strongly related to feeding mode of species, increased influence chlorinated congeners was highlighted with trophic position organisms. (lipid normalized) isotopically derived level (TL) webs. The highest magnification factors (TMFs) calculated for 2,4,5-substitution, lower compared confrontation TL data also revealed biotransformation capacity decapod crustaceans specific based on structure–activity relations.

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