Background metal levels determination in bivalves - quality assessment of the European Water Framework Directive

被引：14
|
作者：
Solaun, O. [1 ]
Rodriguez, J. G. [1 ]
Borja, A. [1 ]
Franco, J. [1 ]
Larreta, J. [1 ]
Valencia, V. [1 ]
机构：
[1] AZTI Tecnalia Fdn, Div Marine Res, Pasaia, Spain
来源：
CHEMISTRY AND ECOLOGY | 2013年 / 29卷 / 01期
关键词：
background levels; mussel; oyster; metals; Water Framework Directive; SE Bay of Biscay; HEAVY-METALS; MYTILUS-EDULIS; NORTHERN SPAIN; TRACE-METALS; METHODOLOGICAL APPROACH; ESTUARINE SEDIMENTS; SEASONAL-VARIATION; BILBAO ESTUARY; BASQUE COAST; MUSSELS;
D O I：
10.1080/02757540.2012.704912
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
Background levels of metals (Ag, Cd, Cu, Cr, Hg, Ni, Pb and Zn) in biomonitors (Mytilus galloprovincialis mussels and Crassostrea gigas oysters), in estuarine waters within the Basque Country (south-east Bay of Biscay) are estimated using non-parametric statistical tools and data are presented graphically, with the aim of being used in assessing the ecological status, within the European Water Framework Directive (WFD). The basis for this study was the statistical analysis of data compiled from monitoring programmes undertaken along the Basque coast, between 1990 and 2008. For this analysis, a heuristic method was adapted and used. Results showed different metal background ranges throughout the year for both mussels and oysters. Values corresponding to the upper limit of the background range (i.e. value of the upper whisker of the box-plot) are proposed as the high/good status boundary, according to the WFD.
引用
收藏
页码：11 / 27
页数：17
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