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In the European North Sea, harbour porpoises are top predators with relatively long life spans and a limited capacity for metabolic biotransformation of contaminants compared to some other marine mammal species. As such, they are exposed to a mixture of persistent pollutants, such as polychlorinated biphenyls (PCBs), polybrominated diphenyl ethers (PBDEs), DDT and metabolites (DDXs), hexachlorobenzene...
The aim of this work was to examine the level of POPs (DDT and its metabolites, isomers of HCH, HCB and PCBs) in pelagic herring (Clupea harengus) caught in the southern Baltic Sea once a year during the period 1998-2003. Historical time trends of POPs from the 1970s to the year 1998 were calculated on the basis of the HELCOM Database. The measurements executed within Integrated Monitoring Programme...
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