HEAVY METAL ACCUMULATION IN ANTARCTIC KRILL EUPHAUSIA SUPERBA (Ninth Symposium on Polar Biology)
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概要
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Seventy-six samples of the Antarctic krill were collected from the stomach contents of the southern minke whales hauled up on the Japanese factory ship during her cruises in 1984/85 and 1985/86, and were analyzed for Cu, Zn, Fe, Mn, Ni, Cd, Pb, Co, and Hg. The mean concentrations of metals in the Antarctic krill were Cu-12.7, Zn-9.6, Fe-3.6, Mn-0.71, Ni-0.45, Cd-0.43, Pb-0.04, Co-0.02, and Hg-0.008 μg/wet g. Although no significant difference in concentrations of the metals with size and location was found, metal concentrations varied seasonally: High concentrations of Fe, Mn, Zn, Pb, and Hg were observed during January-February, 1985/86, and during January, 1984/85. The concentrations of Cu, Cd, Ni, and Co were higher in January to mid-February, 1986, and during January, 1985, and thereafter their concentration levels except for Cu decreased.
- 国立極地研究所の論文
著者
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Tatsukawa R
Ehime Univ. Matsuyama
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Tatsukawa Ryo
Department Of Environment Conservation Ehime University
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Yamamoto Yoshiyuki
Department Of Environment Conservation Faculty Of Agriculture Ehime University:(present Address)the
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Honda Katsuhisa
Department Of Environment Conservation Faculty Of Agriculture Ehime University:(present Address)miur
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Yamamoto Yoshiyuki
Department Of Biological Science Faculty Of Science Kumamoto University
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