Article (Scientific journals)
Levels and effects of PCDD/Fs and co-PCBs in sediments, mussels, and sea stars of the intertidal zone in the southern North Sea and the English Channel.
Danis, Bruno; Debacker, Virginie; Trujilo Miranda, Carmen et al.
2006In Ecotoxicology and Environmental Safety, 65 (2), p. 188-200
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Keywords :
PCDDs; PCDFs; PCBs; Asterias rubens; Mytilus edulis; sediments; North sea; biological effects
Abstract :
[en] There is considerable concern regarding dioxin-like compounds (DLCs) in the marine environment. These ubiquitous contaminants are highly resistant to degradation, highly accumulated by marine organisms, and extremely toxic. Concentrations of DLCs, including 7 polychlorodibenzo-p-dioxins, 10 polychlorodibenzofurans, and 4 coplanar polychlorinated biphenyls, were determined in sediments, mussels (Mytilus edulis), and sea stars (Asterias rubens) from five intertidal stations distributed along the Belgian coast and the English Channel. The induction of a biomarker, cytochrome P450 immunopositive protein (CYP1A IPP), was also measured in sea star pyloric caeca. Although no significant differences were found between the considered stations, DLC levels were found to be relatively high in biota, especially when the toxicity of these compounds is considered. Particular concern arises from TEQ values determined in mussels from all locations. Sea stars were found to be more discriminant between the stations. CYP1A IPP induction was found to be significantly related to DLC levels measured in sea stars and allowed significant discrimination between the considered stations. (c) 2005 Elsevier Inc. All rights reserved.
Disciplines :
Aquatic sciences & oceanology
Environmental sciences & ecology
Author, co-author :
Danis, Bruno
Debacker, Virginie ;  Université de Liège - ULiège > Département des sciences et gestion de l'environnement > Ecologie animale et écotoxicologie
Trujilo Miranda, Carmen
Dubois, Philippe ;  Université de Liège - ULiège > Centre d'études et de rech. sur les macromolécules (CERM)
Language :
English
Title :
Levels and effects of PCDD/Fs and co-PCBs in sediments, mussels, and sea stars of the intertidal zone in the southern North Sea and the English Channel.
Publication date :
October 2006
Journal title :
Ecotoxicology and Environmental Safety
ISSN :
0147-6513
eISSN :
1090-2414
Publisher :
Academic Press Inc Elsevier Science, San Diego, United States - California
Volume :
65
Issue :
2
Pages :
188-200
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
Belgian Federal Science Policy (MN/12/95 and EV/ENZ/13)
Available on ORBi :
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