トキサフェン及びマイレックスによる日本近海鯨類の汚染とその蓄積特性

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タイトル別名
  • Toxaphene and Mirex Residues in Cetaceans from Japanese Waters
  • トキサフェン オヨビ マイレックス ニ ヨル ニホン キンカイ ゲイルイ ノ オセン ト ソノ チクセキ トクセイ

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抄録

Toxaphene and mirex were detected in all the blubber samples of cetaceans collected from Japanese waters during 1998-2001 with concentrations ranging from 140 to 6, 700 ng/g lipid wt and 2 to 170 ng/g lipid wt, respectively. To our knowledge, this is the first comprehensive study to detect these pesticides in the biological specimens from Asian waters including Japan where these chemicals have never been registered. Concentrations of toxaphene and mirex in species migrating to the offshore areas of North Pacific, Sea of Okhotsk and the Japan Sea were much higher than those in Japanese coastal species, indicating that considerable amount of these pesticides have been transported to the environment around Japan via atmosphere, a phenomenon common for persistent organic pollutants (POPs) . Additionally, this result may confirm that these pesticides were not used in Japan in the past.

収録刊行物

  • 環境化学

    環境化学 15 (2), 429-443, 2005

    一般社団法人 日本環境化学会

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