Organochlorine compounds in blue mussels, Mytilus edulis, and Pacific oysters, Crassostrea gigas, from seven sites in the Lower Saxonian Wadden Sea, Southern North Sea.
Blue mussels (Mytilus edulis) and Pacific oysters (Crassostrea gigas) collected at seven locations in the Lower Saxonian Wadden Sea in January and February 2007 were analysed for organochlorine compounds. Contaminants were present in all samples, albeit with variable amounts and composition. The highest values were found in the Jade Bay. Congener PCB 153 was the contaminant which had the highest content of all organochlorines tested (475.75-937.39 ng/g lipid). DDT was detected in one sample only while DDD and DDE were found in all samples, the latter with contents up to 351.34 ng/g lipid. No clear differentiation could be made in terms of accumulation of organochlorines for M. edulis and C. gigas. Comparison with data from 2001 to 2006 showed an increase in 2007, which may be due to the different season the samples were taken.
Dörr
Barbara
B
Biology, University of Bremen, Bremen, Germany. barbaradoerr@hotmail.de
Liebezeit
Gerd
G
D000818:Animals; D049896:Crassostrea / Q000378:metabolism*; D003633:Dichlorodiphenyl Dichloroethylene / Q000378:metabolism; D003632:Dichlorodiphenyldichloroethane / Q000378:metabolism; D004784:Environmental Monitoring; D006843:Hydrocarbons, Chlorinated / Q000378:metabolism*; D049880:Mytilus edulis / Q000378:metabolism*; D009659:North Sea; D010575:Pesticides / Q000378:metabolism*; D011078:Polychlorinated Biphenyls / Q000378:metabolism; D012621:Seasons; D014874:Water Pollutants, Chemical / Q000378:metabolism*; D014877:Water Pollution, Chemical / Q000706:statistics & numerical data
D006843:Hydrocarbons, Chlorinated; D010575:Pesticides; D014874:Water Pollutants, Chemical; D003633:Dichlorodiphenyl Dichloroethylene; D011078:Polychlorinated Biphenyls; D003632:Dichlorodiphenyldichloroethane; C014024:2,4,5,2',4',5'-hexachlorobiphenyl