Journal
MARINE ENVIRONMENTAL RESEARCH
Volume 124, Issue -, Pages 92-105Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.marenvres.2016.10.009
Keywords
Biomarkers; Bioassays; Chemical contamination; Integrated monitoring in chemistry and biology; Local study; Large geographical scale
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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/EAC(2008): 70% and EAC(2009): 60%) and effects (EAC(2008): 50% and EAC(2009): 40%) in the Seine estuary. The Seine estuary is ranked among Europe's most highly polluted sites. (C) 2016 Elsevier Ltd. All rights reserved.
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