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  • Title: Bioaccumulation of organochlorine pollutants in the fish community in Lake Arungen, Norway.
    Author: Sharma CM, Rosseland BO, Almvik M, Eklo OM.
    Journal: Environ Pollut; 2009; 157(8-9):2452-8. PubMed ID: 19329237.
    Abstract:
    Organochlorine pollutants in the major fish species (pike Esox lucius, perch Perca fluviatilis, and roach Rutilus rutilus) of Lake Arungen, Norway, were investigated after an extensive removal of large pike in 2004. The organochlorine pollutants detected in fish liver samples in 2005 were dichlorodiphenyltrichloroethane (DDTs), polychlorinated biphenyls (PCBs), hexachlorobenzene (HCB), and heptachlor epoxide (HCE). DDTs were the dominant among all analyzed OCs. Sigma PCB and HCB, detected in fish from two clearly distinct trophic levels (prey and predators), give an indication of biomagnification. All OC concentrations in female pike were significantly lower compared to males, which might be due to the removal of high concentrations of pollutants in roe during spawning.
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