BURGEOT, Thierry; AKCHA, Farida; MENARD, Dominique; ROBINSON, Craig; LOIZEAU, Véronique; BRACH-PAPA, Christophe; MARTÍNEZ-GÒMEZ, Concepción; LE GOFF, Jérémie; BUDZINSKI, Hélène; LE MENACH, Karyn; CACHOT, Jérôme; MINIER, Christophe; BROEG, Katja; HYLLAND, Ketil

doi:10.1016/j.marenvres.2016.10.009

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BURGEOT, Thierry
Institut Français de Recherche pour l'Exploitation de la Mer [IFREMER]

AKCHA, Farida
Institut Français de Recherche pour l'Exploitation de la Mer [IFREMER]

MENARD, Dominique
Institut Français de Recherche pour l'Exploitation de la Mer [IFREMER]

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Ce document a été publié dans

Marine Environmental Research. 2017-03, vol. 124, p. 92-105

Résumé en anglais

The International workshop on Integrated Assessment of CONtaminants impacts on the North sea (ICON) provided a framework to validate the application of chemical and biological assessment thresholds (BACs and EACs) in the Seine Bay in France. Bioassays (oyster larval anomalies, Corophium arenarium toxicity assay and DR Calux) for sediment and biomarkers: ethoxyresorufin-O-deethylase (EROD) activity, acetylcholinesterase (AChE) activity, lysosomal membrane stability (LMS), DNA strand breaks using the Comet assay, DNA adducts, micronucleus (MN), PAH metabolites, imposex, intersex and fish external pathologies were analysed in four marine sentinel species (Platichthys flesus, Limanda limanda, Mytilus sp. and Nucella lapilus). Polycyclic aromatic hydrocarbons (PAHs), polychlorinated biphenyls (PCBs) and heavy metals were analysed in biota and sediment. Results for sediment and four species in 2008–2009 made it possible to quantify the impact of contaminants using thresholds (Environmental Assessment Criteria/EAC2008: 70% and EAC2009: 60%) and effects (EAC2008: 50% and EAC2009: 40%) in the Seine estuary. The Seine estuary is ranked among Europe's most highly polluted sites.< Réduire

Mots clés en anglais

Large geographical scale

Local study

Integrated monitoring in chemistry and biology

Chemical contamination

Bioassays

Biomarkers