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WINTER GUT CONTENTS OF ANTARCTIC KRILL (EUPHAUSIA SUPERBA DANA) COLLECTED IN THE SOUTH GEORGIA AREA (15th Symposium on Polar Biology)
https://doi.org/10.15094/00005219
https://doi.org/10.15094/00005219ea983cce-6a9d-4232-b49c-6593554029a5
名前 / ファイル | ライセンス | アクション |
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KJ00000767562 (1.0 MB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 1994-01-01 | |||||
タイトル | ||||||
タイトル | WINTER GUT CONTENTS OF ANTARCTIC KRILL (EUPHAUSIA SUPERBA DANA) COLLECTED IN THE SOUTH GEORGIA AREA (15th Symposium on Polar Biology) | |||||
言語 | ||||||
言語 | eng | |||||
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 | 10.15094/00005219 | |||||
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) | |||||
記事種別(英) | ||||||
en | ||||||
Proceeding | ||||||
論文名よみ | ||||||
その他のタイトル | WINTER GUT CONTENTS OF ANTARCTIC KRILL (EUPHAUSIA SUPERBA DANA) COLLECTED IN THE SOUTH GEORGIA AREA (15th Symposium on Polar Biology) | |||||
著者名よみ |
ニシノ, ヤスト
× ニシノ, ヤスト× カワムラ, アキト |
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著者名(英) |
NISHINO, Yasuto
× NISHINO, Yasuto× KAWAMURA, Akito |
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著者所属(英) | ||||||
en | ||||||
Faculty of Bioresources, Mie University | ||||||
著者所属(英) | ||||||
en | ||||||
Faculty of Bioresources, Mie University | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Foregut contents of Antarctic krill Euphausia superba DANA which were collected in the South Georgia area in austral winter, July 12-August 4, 1992 were observed. A total of 130 individuals (adults: 78, subadults: 49, juveniles: 3) which were caught by krill trawling from various depths were examined in this study. The foregut contents of the krill consisted of various fragments of crustacean zooplankton in 77 individuals out of 130 examined. Among the fragments a portion of the pereiopods of krill was found from all specimens examined. Although the obtained materials were geographically confined to South Georgian waters, which were free from fast ice throughout the year, the results might imply that E. superba seemed to seasonally switch their food source: E. superba demonstrated herbivorous food habits during rich phytoplankton bloom, but might change to carnivorous habits in the fall and winter. Strong cannibalistic food habits during the austral winter as found in this study are considered to be important for the population dynamics of krill. | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10819561 | |||||
書誌情報 |
Proceedings of the NIPR Symposium on Polar Biology 巻 7, p. 82-90, 発行日 1994-01 |
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出版者 | ||||||
出版者 | National Institute of Polar Research |