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Biological characteristics of euphausiids preyed upon by Adelie penguin, Pygoscelis adeliae, breeding at Hukuro Cove, Lutzow-Holm bay in 1995/1996
https://doi.org/10.15094/00006147
https://doi.org/10.15094/00006147693287c9-b36d-4ab2-9745-0d2b4cc057eb
名前 / ファイル | ライセンス | アクション |
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KJ00000045391 (882.7 kB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 2000-02-01 | |||||
タイトル | ||||||
タイトル | Biological characteristics of euphausiids preyed upon by Adelie penguin, Pygoscelis adeliae, breeding at Hukuro Cove, Lutzow-Holm bay in 1995/1996 | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Euphausia superba | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Euphausia crystallorophias | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Adelie penguin | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | biological sampler | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Lutzow-Holm Bay | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
ID登録 | ||||||
ID登録 | 10.15094/00006147 | |||||
ID登録タイプ | JaLC | |||||
ページ属性 | ||||||
内容記述タイプ | Other | |||||
内容記述 | P(論文) | |||||
著者名(英) |
Endo,Yoshinari
× Endo,Yoshinari× Asari,Hiroshi× Watanuki,Yutaka |
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著者所属(英) | ||||||
en | ||||||
Graduate School of Agricultural Science, Tohoku University/Graduate School of Agricultural Science, Tohoku University/Faculty of Agriculture, Hokkaido University | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Adelie penguins were used as a biological sampler from late December 1995 to late January 1996 to study biological characteristics of euphausiids in Lutzow-Holm Bay, which is generally covered with fast sea-ice even in summer. Stomach contents and diving behavior of the penguins were examined. Euphausiids accounted for 73% of total wet weight of stomach contents, and fish 27%. Among euphausiids, Euphausia superba occupied 83%, and E. crystallorophias 17%. Females occupied 96% of the total number of E. superba, males only 4%. E. crystallorophias consisted of 73% females, 10% males and 17% juveniles. Adelie penguins might eat nutritionally superior female euphausiids selectively, and/or they could not catch male euphausiids which can swim faster. It was suggested that those individuals which dived deeper ate more euphausiids than fish, and larger E. superba. | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11327019 | |||||
書誌情報 |
Polar bioscience 巻 13, p. 66-73, 発行日 2000-02 |
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出版者 | ||||||
出版者 | National Institute of Polar Research |