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TWO SERIES OF MACROZOOPLANKTON CATCHES WITH THE N70V NET IN THE INDIAN SECTOR OF THE ANTARCTIC OCEAN (Ninth Symposium on Polar Biology)
https://doi.org/10.15094/00005018
https://doi.org/10.15094/00005018dd956bdc-ba0a-46f7-8001-26f327eb87d2
名前 / ファイル | ライセンス | アクション |
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KJ00000767394 (722.2 kB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 1987-12-01 | |||||
タイトル | ||||||
タイトル | TWO SERIES OF MACROZOOPLANKTON CATCHES WITH THE N70V NET IN THE INDIAN SECTOR OF THE ANTARCTIC OCEAN (Ninth 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 | 10.15094/00005018 | |||||
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 | TWO SERIES OF MACROZOOPLANKTON CATCHES WITH THE N70V NET IN THE INDIAN SECTOR OF THE ANTARCTIC OCEAN (Ninth Symposium on Polar Biology) | |||||
著者名よみ |
カワムラ, アキト
× カワムラ, アキト |
|||||
著者名(英) |
KAWAMURA, Akito
× KAWAMURA, Akito |
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著者所属(英) | ||||||
en | ||||||
Faculty of Fisheries, Hokkaido University | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Two series of macrozooplankton catches using the Discovery pattern N70V net were studied as a supplement to the previous report by the present author. These samples revealed that both standing crops and individual numbers of three copepod species, Calanus propinquus, Calanoides acutus and Rhincalanus gigas, were extremely poor in comparison with any other comparable data. The results again make us confirm a possible change of major herbivorous copepod populations in the sizes and/or community structures. These changes are perhaps a phenomenon related to gradual changes in quantitative relationships of relative biomass size between Euphausia superba and their predators, especially through the intense exploitation of rorqual whales during the past several decades, which resulted in a 'surplus' in krill population. A possible intensified competition for food between herbivorous copepods and E. superba is discussed as the subject of feeding strategies. | |||||
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 1, p. 84-89, 発行日 1987-12 |
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出版者 | ||||||
出版者 | National Institute of Polar Research |