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Título : Evaluation of the use of bioaccumulation and biological effects tools in caged mussels, within the European Water Framework Directive
Autor : Zorita, Izaskun; Larreta, Joana; Montero, Natalia; Rodriguez, Jose German; Franco, Javier; Borja, Angel
Citación : CHEMISTRY AND ECOLOGY, 2015, 31, 432-445
Resumen : Bioaccumulation and biological effects of pollution were assessed in mussels (Mytilus galloprovincialis) caged for one month at three sites in the Oiartzun estuary (south-eastern Bay of Biscay, Spain) with the aim of evaluating their usefulness within the investigative monitoring defined in the European Union Water Framework Directive (WFD). The highest concentrations of organic contaminants determined in mussels' tissue were detected towards the inner part of the estuary but no gradient pattern was found for metal bioaccumulation. Population fitness responses measured as condition index, stress on stress and gonad index were similar in all caged mussels and did not follow the organic pollution gradient. However, biomarkers determined at tissue, cell and protein level (histopathology, micronuclei frequency, malondialdehyde levels and vitellogenin-like protein levels) revealed a higher stress syndrome at the inner part of the estuary showing signs of genotoxicity, oxidative stress and endocrine disruption. Overall, the integrated chemical-biological approach in connection with mussel caging technique proved to be a useful tool to assess environmental pollution, allowing a better understanding of the cause-effect relationship within the investigative monitoring defined in the WFD.
Palabras clave : biological effects; pollutants; caged mussels; Oiartzun estuary; investigative monitoring; Water Framework Directive; MYTILUS-GALLOPROVINCIALIS; BIOMARKER RESPONSES; ANTHROPOGENIC PRESSURES; METHODOLOGICAL APPROACH; TRANSITIONAL WATERS; BENTHIC COMMUNITIES; LIPID-PEROXIDATION; ECOLOGICAL STATUS; DIGESTIVE GLAND; STRESS-RESPONSE
Fecha de publicación : 2015
Editorial : TAYLOR \& FRANCIS LTD
Tipo de documento: Article
Idioma: Inglés
DOI: 10.1080/02757540.2015.1050003
URI : http://dspace.azti.es/handle/24689/233
ISSN : 0275-7540
E-ISSN: 1029-0370
Patrocinador: Industry, Commerce and Tourism Department of the Basque Government through IKERKOSTA project \[S-PC08UN03]
Spanish Ministry of Economy and Competitiveness through DIAGNOSEAS project \[CTM-2012-40203-C02-02]
Programme Torres Quevedo (Ministry of Education and Science and European Social Fund)
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