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Ecotoxicology and environmental safety v.147, 2018년, pp.367 - 372   SCI SCIE
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Persistent organic pollutants in red-crowned cranes (Grus japonensis) from Hokkaido, Japan

Kakimoto, Kensaku (Osaka Institute of Public Health, 1-3-69, Nakamichi, Higashinari-ku, Osaka 537-0025, Japan ) ; Akutsu, Kazuhiko (Osaka Institute of Public Health, 1-3-69, Nakamichi, Higashinari-ku, Osaka 537-0025, Japan ) ; Nagayoshi, Haruna (Osaka Institute of Public Health, 1-3-69, Nakamichi, Higashinari-ku, Osaka 537-0025, Japan ) ; Konishi, Yoshimasa (Osaka Institute of Public Health, 1-3-69, Nakamichi, Higashinari-ku, Osaka 537-0025, Japan ) ; Kajimura, Keiji (Osaka Institute of Public Health, 1-3-69, Nakamichi, Higashinari-ku, Osaka 537-0025, Japan ) ; Tsukue, Naomi (Institute of Nature and Environmental Technology, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan ) ; Yoshino, Tomoo (Kushiro Zoo, Shimoninishibetsu-11 Akan-cho, Kushiro, Hokkaido 085-0201, Japan ) ; Matsumoto, Fumio (Kushiro Zoo, Shimoninishibetsu-11 Akan-cho, Kushiro, Hokkaido 085-0201, Japan ) ; Nakano, Takeshi (Research Center for Environmental Preservation, Osaka University, 2-4, Yamadaoka, Suita, Osaka, 565-0871, Japan ) ; Tang, Ning (Institute of Nature and Environmental Technology, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan ) ; Hayakawa, Kazuichi (Institute of Natu ) ; Toriba, Akira ;
  • 초록  

    Abstract The red-crowned crane ( Grus japonensis ) from eastern Hokkaido is classified as a Special Natural Monument in Japan. In this study, we determined the concentrations of persistent organic pollutants (POPs) in red-crowned crane muscle tissues (n = 47). Polychlorinated biphenyls (PCBs) had the highest median concentration (240ng/g lipid weight), followed by dichlorodiphenyltrichloroethane and its metabolites (DDTs) (150ng/g lipid weight), chlordane-related compounds (CHLs) (36ng/g lipid weight), hexachlorobenzene (HCB) (16ng/g lipid weight), hexachlorocyclohexanes (HCHs) (4.4ng/g lipid weight), polybrominated diphenyl ethers (PBDEs) (1.8ng/g lipid weight), and finally, Mirex (1.5ng/g lipid weight). Additionally, a positive correlation was found among POP concentrations. No sex differences beyond body parameters were observed. Additionally, red-crowned cranes exhibited a high enantiomeric excess of (+)- alpha -HCH, with enantiomer fractions varying from 0.51 to 0.87 (average: 0.69). Highlights Persistent organohalogen compounds accumulated in red-crowned cranes of Hokkaido. Polychlorinated biphenyls were the most abundant contaminants. The concentrations of organohalogen compounds were positively correlated. Crane specimens exhibited a high enantiomeric excess of (+)-alpha-HCH.


  • 주제어

    Persistent organic pollutants .   Red-crowned crane .   Muscle tissue .   Grus japonensis .   Endangered birds.  

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