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COMPARISON OF ZOOPLANKTON ABUNDANCE UNDER SEA ICE BETWEEN NIPR NET AND NORPAC NET SAMPLINGS, IN LAGOON SAROMA KO, HOKKAIDO (Ninth Symposium on Polar Biology)
https://doi.org/10.15094/00005022
https://doi.org/10.15094/00005022c0cd5b2e-c56b-4887-a91b-7617b38e227b
名前 / ファイル | ライセンス | アクション |
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KJ00000767398 (1.7 MB)
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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 | COMPARISON OF ZOOPLANKTON ABUNDANCE UNDER SEA ICE BETWEEN NIPR NET AND NORPAC NET SAMPLINGS, IN LAGOON SAROMA KO, HOKKAIDO (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 | 10.15094/00005022 | |||||
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 | COMPARISON OF ZOOPLANKTON ABUNDANCE UNDER SEA ICE BETWEEN NIPR NET AND NORPAC NET SAMPLINGS, IN LAGOON SAROMA KO, HOKKAIDO (Ninth Symposium on Polar Biology) | |||||
著者名よみ |
ニシヤマ, ツネオ
× ニシヤマ, ツネオ× タニムラ, アツシ× ワタナベ, ケンタロウ× フクチ, ミツオ× アオタ, マサアキ |
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著者名(英) |
NISHIYAMA, Tsuneo
× NISHIYAMA, Tsuneo× TANIMURA, Atsushi× WATANABE, Kentaro× FUKUCHI, Mitsuo× AOTA, Masaaki |
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著者所属(英) | ||||||
en | ||||||
Institute of Marine Science, University of Alaska:(Present address)Institute of Oceanic Research and Development, Tokai University | ||||||
著者所属(英) | ||||||
en | ||||||
National Institute of Polar Research | ||||||
著者所属(英) | ||||||
en | ||||||
National Institute of Polar Research | ||||||
著者所属(英) | ||||||
en | ||||||
National Institute of Polar Research | ||||||
著者所属(英) | ||||||
en | ||||||
Institute of Low Temperature Science, Hokkaido University | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Zooplankton under sea ice were collected vertically and horizontally at two stations (7-11 m depth) in lagoon Saroma Ko, Hokkaido, on February 21-24,1986, and their abundance was compared by haul, mesh size, depth, sampling duration, and sampling station. Vertical hauls from the bottom to the surface were made with a standard Norpac net and its modified net, and horizontal samplings with a NIPR net (under-ice plankton sampler) from 0.3,2 and 5 m, and bottom layers. Three mesh sizes, 100, 330 and 505 μ, were used for each net. Copepods (mostly Pseudocalanus sp.) and chaetognath (Sagitta elegans) predominated the biomass in weight and number with a few amphipods. In vertical hauls with 100 μ-mesh Norpac net, the copepod abundance was similar between the two stations, while the chaetognath abundance was significantly greater at Stn. 11 than at Stn. 3. In horizontal samplings with the 100 μ-niesh NIPR net, copepods were very abundant in the 0.3 and 2 m layers, but were fewer in the 5 m and bottom layers. Chaetognath revealed a distinct vertical stratification with a highest abundance in the 2 m layer and scarcity in the 0.3 m and bottom layers. Compared with a 5-min filtration, the 10- and 15-min filtration in the 330 μ- and 505 μ-mesh NIPR nets showed a decrease of the zooplankton catches per unit time. The modified Norpac net collected significantly abundant chaetognath than the standard Norpac net, but not for copepods. | |||||
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. 123-137, 発行日 1987-12 |
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出版者 | ||||||
出版者 | National Institute of Polar Research |