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  • Title: Toxaphene in minke whales (Balaenoptera acutorostrata) from the North Atlantic.
    Author: Gouteux B, Muir DC, Backus S, Born EW, Dietz R, Haug T, Metcalfe T, Metcalfe C, Øien N.
    Journal: Environ Pollut; 2008 May; 153(1):71-83. PubMed ID: 17913318.
    Abstract:
    Toxaphene contamination of minke whales (Balaenoptera acutorostrata) from North Atlantic waters was examined for the first time. Total toxaphene and SigmaCHB (sum of 11 chlorobornanes) concentrations in blubber samples ranged from 170+/-110 and 41+/-39 ng/g lipid weight (l.w.) for female minke whales from southeastern Greenland to 5800+/-4100 and 1100+/-780 ng/g l.w. for males from the North Sea, respectively. Very large variations in toxaphene concentrations among sampling areas were observed suggesting a spatial segregation of minke whales. However, much of the apparent geographical discrimination was explained by the seasonal fluctuation of animal fat mass. Patterns of CHBs in males revealed that recalcitrant CHBs were in higher proportions in animals from the more easterly areas than in animals from the more westerly areas. This trend may be influenced by the predominance of the US, over the European, input of toxaphene to North Atlantic waters.
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