Temporal variation of PCB concentrations in mussel tissue in two areas of Santander Bay (Spain)

被引:9
|
作者
Gonzalez-Quijano, A. [1 ]
Garcia, A. [1 ]
Fumega, J. [1 ]
Gonzalez, J. J. [1 ]
机构
[1] Inst Espanol Oceanog, Ctr Oceanog Vigo, Vigo 36280, Spain
关键词
PCBs; wild mussel; Mytilus galloprovincialis; temporal variation; Santander Bay (Spain);
D O I
10.7773/cm.v32i22.1080
中图分类号
Q17 [水生生物学];
学科分类号
071004 ;
摘要
An analysis was made of the temporal variation of polychlorinated biphenyls (PCBs) in wild mussel, Mytilus galloprovincialis, from two areas of Santander Bay (northern Spain) during 1991-2003, as well as of the posible influence of different external contributions on their concentrations. The concentrations of the sum of seven PCBs (IUPAC numbers 28, 52, 101, 118, 138, 153 and 180) from the Pantalan area ranged from 21 to 38 mu g kg(-1) wet weight, whereas those from the Pedrena area, subject to less anthropogenic influence, ranged from 8 to 15 mu g kg(-1) wet weight. To determine the temporal evolution, the Kendall Tau-b correlation coefficient was used and a decreasing trend in PCB levels was verified for both areas.
引用
收藏
页码:465 / 469
页数:5
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