| Congener-specific accumulation and trophic transfer of polychlorinated biphenyls in spider crab food webs revealed by stable isotope analysis. | |
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MedLine Citation:
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PMID: 17544187 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Polychlorobiphenyls (PCB) and stable isotopes (delta15N and delta13C) were analyzed in the spider crab (Maja brachydactyla) food web from the Iroise Sea (Western Brittany) and the Seine Bay (Eastern English Channel). PCB concentrations were all significantly higher in organisms from the Seine Bay than those from the Iroise Sea. PCB patterns were strongly related to the feeding mode of the species, and increased influence of higher chlorinated congeners was highlighted with trophic position of the organisms. PCB concentrations (lipid normalized) were significantly related to the isotopically derived trophic level (TL) in spider crab food webs. The highest trophic magnification factors (TMFs) were calculated for the congeners with 2,4,5-substitution, and were lower in the Seine Bay compared to the Iroise Sea. The confrontation of PCB and TL data also revealed biotransformation capacity of decapod crustaceans for specific congeners based on structure-activity relations. |
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Authors:
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N Bodin; F Le Loc'h; X Caisey; A-M Le Guellec; A Abarnou; V Loizeau; D Latrouite |
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Publication Detail:
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Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't Date: 2007-06-01 |
Journal Detail:
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Title: Environmental pollution (Barking, Essex : 1987) Volume: 151 ISSN: 0269-7491 ISO Abbreviation: Environ. Pollut. Publication Date: 2008 Jan |
Date Detail:
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Created Date: 2007-12-07 Completed Date: 2008-05-19 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8804476 Medline TA: Environ Pollut Country: England |
Other Details:
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Languages: eng Pagination: 252-61 Citation Subset: IM |
Affiliation:
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IFREMER, DCN-BE, Technopôle Brest-Iroise, Pointe du Diable, 29280 Plouzané, France. bodin.nathalie@caramail.com |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Algae Animals Bivalvia Carbon Isotopes Decapoda (Crustacea) / metabolism* Echinodermata Environmental Monitoring / methods* Food Chain* France Gastropoda Geography Nitrogen Isotopes Polychlorinated Biphenyls / analysis*, chemistry Structure-Activity Relationship Water Pollutants, Chemical / analysis*, chemistry Zooplankton |
| Chemical | |
Reg. No./Substance:
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0/Carbon Isotopes; 0/Nitrogen Isotopes; 0/Polychlorinated Biphenyls; 0/Water Pollutants, Chemical |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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