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Title: Assessment of biomarkers in Mytilus edulis to determine good environmental status for implementation of MSFD in Ireland
Authors: Giltrap, M.
Ronan, J.
Hardenberg, S.
Parkes, G.
McHugh, B.
McGovern, E.
Wilson, J.G.
Keywords: OSPAR
MSFD compliance
Mytilus edulis
Issue Date: 2013
Publisher: Elsevier
Citation: Giltrap, M., Ronan, J., Hardenberg, S., Parkes, G., McHugh, B., McGovern, E. and Wilson, J.G. (2013). Assessment of biomarkers in Mytilus edulis to determine good environmental status for implementation of MSFD in Ireland. Marine pollution bulletin, 71(1–2), pp. 240–249
Series/Report no.: Marine pollution bulletin;71(1–2)
Abstract: Candidate OSPAR/ICES recommended biomarkers at the level of the individual in Mytilus edulis for determination of good environmental status for MSFD were evaluated against contaminant levels at sites around Ireland. The sites chosen ranged from moderate to low pollution levels, but the actual ranking of the sites varied according to the contaminant levels present. At the most contaminated site, Cork, 4 out of 16 contaminants exceeded the EAC, while at Shannon, no EACs were exceeded. The SOS assay suggested that Cork was the healthiest site with a LT50 of 17.6 days, while SOS for Shannon was 15.6 days. Likewise, condition factors varied among sites and did not always correspond to contaminant-based status. There may be uncertainty in assigning status around the not good:good boundary. This raises potential difficulties not only in the biomarker/contaminant load relationship but also in the reliability of the biomarkers themselves and hence barriers meeting compliance levels.
Description: Peer-reviewed.
ISSN: 0025-326X
Appears in Collections:Marine Chemistry

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