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タイトル: Accumulation of organochlorines in the fin whale Balaenoptera physalus and the finless porpoise Neophocaena phocaenoides from the Ibaraki coast, Japan
著者: Oka, Mayuko
Arai, Takaomi
Shibata, Yasuyuki
Miyazaki, Nobuyuki
キーワード: fin whale
finless porpoise
organochlorine
bioaccumulation
発行日: 2005年1月31日
出版者: International Coastal Research Center, Ocean Research Institute, the University of Tokyo
掲載誌情報: Coastal marine science. Vol.29No.2, 2005.1, pp. 173-176
抄録: Concentrations of persistent organic pollutants (POPs) and HCHs were examined in the muscle of the fin whale, Balaenoptera physalus stranded at Kita Wharf of Ibaraki Prefecture, Japan. The compounds were also examined in the muscle, liver, and blubber of the finless porpoise Neophocaena phocaenoides bycaught off Ibaraki Prefecture, Japan. The concentrations of POPs in muscle samples in finless porpoise were 2 to 10 times higher than those in fin whale. This might be the result of differences in prey resources. Percentage composition of chlordanes (CHLs), hexachlorocyclohexanes (HCHs), and DDTs were determined in muscle samples. These compounds appeared further degraded in fin whale than in finless porpoise. This result indicates that fin whale might have a higher degradation ability than finless porpoise.
URI: http://hdl.handle.net/2261/5599
ISSN: 13493000
出現カテゴリ:Coastal Marine Science
Coastal Marine Science

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