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SEASONAL VARIATION OF DOWNWARD FLUX OF PARTICULATE ORGANIC MATTER UNDER THE ANTARCTIC FAST ICE (Ninth Symposium on Polar Biology)
https://doi.org/10.15094/00005012
https://doi.org/10.15094/0000501238a5f182-c7cc-4517-84f6-37f6c9e5979c
名前 / ファイル | ライセンス | アクション |
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KJ00000767388 (1.6 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 | SEASONAL VARIATION OF DOWNWARD FLUX OF PARTICULATE ORGANIC MATTER UNDER THE ANTARCTIC FAST ICE (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 | 10.15094/00005012 | |||||
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 | SEASONAL VARIATION OF DOWNWARD FLUX OF PARTICULATE ORGANIC MATTER UNDER THE ANTARCTIC FAST ICE (Ninth Symposium on Polar Biology) | |||||
著者名よみ |
マツダ, オサム
× マツダ, オサム× イシカワ, シンゴ× カワグチ, コウイチ |
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著者名(英) |
MATSUDA, Osamu
× MATSUDA, Osamu× ISHIKAWA, Shingo× KAWAGUCHI, Kouichi |
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著者所属(英) | ||||||
en | ||||||
Faculty of Applied Biological Science, Hiroshima University | ||||||
著者所属(英) | ||||||
en | ||||||
Department of Biology, Faculty of Science, Kochi University | ||||||
著者所属(英) | ||||||
en | ||||||
Ocean Research Institute, University of Tokyo | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | During the BIOMASS study of the SIBEX (1984/85), seasonal variation of downward flux of particulate organic matter under the Antarctic fast ice was studied throughout the year in the Kita-no-ura Cove (69°00'S, 39°35'E) off East Ongul Island in Lutzow-Holm Bay. Marked seasonal variation of particulate organic carbon (POC) flux was observed; larger fluxes in summer (max: 136 mgC/m^2 day) but smaller fluxes in winter (min: 1.5 mgC/m^2 day). Although both particulate organic nitrogen (PON) and particulate phosphorus (PP) flux showed similar trends to POC variation, C: N: P ratio also varied seasonally. Chlorophyll a flux varied more drastically than POC did (max: 4500 in summer, min: 3 μg/m^2 day in winter), suggesting the direct input of ice algae and/or phytoplankton to the benthic community in summer. Judging from the variation of POC/chl. a ratio, fresh algae dominated from November through February among trapped sediments. While, a small amount of sinking particles mainly composed of deteriorated material was observed in winter. Relative abundance of chl. a and pheopigments differed between sampling depths, which indicated the decomposition of particles during sinking. The seasonal variation of total mass flux generally well reflected those of chlorophyll and POC concentration, hence the seasonal variation of primary production under the fast ice. | |||||
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. 23-34, 発行日 1987-12 |
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出版者 | ||||||
出版者 | National Institute of Polar Research |