WEKO3
アイテム
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Experimental decomposition of particulate organic matter collected under the fast ice in Lutzow-Holm Bay, Antarctica with special reference to fate of carbon, nitrogen and phosphorus
https://nipr.repo.nii.ac.jp/records/2032
https://nipr.repo.nii.ac.jp/records/203278e48846-eab8-4e70-af68-5684065ba950
名前 / ファイル | ライセンス | アクション |
---|---|---|
KJ00000012585 (2.0 MB)
|
Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
---|---|---|---|---|---|---|
公開日 | 1986-12-01 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Experimental decomposition of particulate organic matter collected under the fast ice in Lutzow-Holm Bay, Antarctica with special reference to fate of carbon, nitrogen and phosphorus | |||||
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 | |||||
ページ属性 | ||||||
内容記述タイプ | Other | |||||
内容記述 | P(論文) | |||||
著者名(英) |
Matsuda, Osamu
× Matsuda, Osamu× Ishikawa, Shingo× Kawaguchi, Kouichi |
|||||
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 | Available information on the decomposition of particulate organic materials under the fast ice is scarce. To estimate the in situ degradation, decomposition experiments of various kinds of particulate matter collected under the fast ice near Syowa Station (69°00′S, 39°35′E) were conducted at -1.5℃ in the dark for 7 months from February to October 1984. The variations of Chl. a, carbon, nitrogen, phosphorus and oxygen consumption were particularly noted. Among the samples, particulate materials obtained by sediment traps set under the fast ice showed the most active decomposition compared with net plankton and surface sediment. In the decomposition of trapped sediment, two steps of first order reaction were observed. Corresponding rate constants for decomposition estimated from the variation of Chl. a, POC, PON were 0.021-0.081 day^<-1> for k_1 (first step) and 0.016-0.0023 for k_2 (second step), respectively. These results indicate a fairly fast in situ decomposition of particulate organic matter 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 | AA00733561 | |||||
書誌情報 |
Memoirs of National Institute of Polar Research. Special issue 巻 44, p. 55-66, 発行日 1986-12 |