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Title: Source characterisation and mid-term spatial and temporal distribution of polycyclic aromatic hydrocarbons in molluscs along the Basque coast (northern Spain)
Authors: Solaun, O.; Rodriguez, J. G.; Borja, Angel; Larreta, J.; Valencia, V.; Legorburu, I.
Citation: CHEMISTRY AND ECOLOGY, 2015, 31, 416-431
Abstract: The variability of polycyclic aromatic hydrocarbons (PAH) measured in the soft tissues of Mediterranean mussels (Mytilus galloprovincialis) and Pacific oysters (Crassostrea gigas) are investigated. Samples were collected from estuarine waters within the Basque Country (Bay of Biscay), between 2003 and 2011. PAH bioaccumulation showed some seasonality and significant differences were observed between cold (autumn-winter) and warm (spring-summer) seasons. Sites located within the ports of Bilbao and Pasaia showed the highest PAH concentrations in molluscs, and the highest percentages of samples above the established Environmental Quality Standards and Environmental Assessment Criteria. Probably due to human activities carried out in the area, no clear trends were observed, between 2003 and 2011, for the autumn data. Since the Basque coast is an area with high population density and industrial activity, the congener profiles (which reveal the predominance of tetra-aromatics) and the diagnostic ratios identified urban/industrial combustion processes as the main PAH sources. However, natural and petrogenic sources cannot be disregarded.
Keywords: mussel; oyster; polycyclic aromatic hydrocarbons (PAH); pollution sources; Basque Country; MUSSELS MYTILUS-EDULIS; PRESTIGE OIL-SPILL; FRASER-RIVER BASIN; SYDNEY TAR PONDS; HEAVY-METALS; BLUE MUSSELS; PEROXISOME PROLIFERATION; METHODOLOGICAL APPROACH; ANTIOXIDANT ENZYMES; MEDITERRANEAN SEA
Issue Date: 2015
Publisher: TAYLOR \& FRANCIS LTD
Type: Article
Language: English
DOI: 10.1080/02757540.2015.1051041
URI: http://dspace.azti.es/handle/24689/232
ISSN: 0275-7540
E-ISSN: 1029-0370
Appears in Publication types:Artículos científicos



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