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THE BIOLOGICAL CO_2 PUMP IN SEASONALLY ICE-COVERED WATERS (17th Symposium on Polar Biology)
https://doi.org/10.15094/00005304
https://doi.org/10.15094/00005304238bf71d-6483-4253-afbb-8d70d95d0c1c
名前 / ファイル | ライセンス | アクション |
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KJ00000767647 (1.5 MB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 1996-02-01 | |||||
タイトル | ||||||
タイトル | THE BIOLOGICAL CO_2 PUMP IN SEASONALLY ICE-COVERED WATERS (17th 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 | 10.15094/00005304 | |||||
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 | THE BIOLOGICAL CO_2 PUMP IN SEASONALLY ICE-COVERED WATERS (17th Symposium on Polar Biology) | |||||
著者名(英) |
LEGENDRE, Louis
× LEGENDRE, Louis |
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著者所属(英) | ||||||
en | ||||||
Departement de biologic, Universite Laval | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Pools of biogenic carbon in oceans have been defined by reference to the time elapsed between the photosynthetic uptake of carbon and its return as carbon dioxide to surface waters or the atmosphere (i.e. turnover time). The three pools are: short-lived organic carbon (<10^2 years), long-lived organic carbon (10^2 to 10^2 years) and sequestered biogenic carbon (>10^2 years). In seasonally ice-covered waters, as in other aquatic environments, primary production occurs over a large range of sizes, which can be partitioned into three classes, i.e. large cells (>5 μm), small cells (<5 μm), and dissolved organic carbon. In these waters, there is a wide array of pathways that channel the three size classes of primary production into long-lived and sequestered biogenic carbon. Biogenic carbon is often actively transferred from (large) ice algae to large metazoans (long-lived organic carbon). Small biogenic particles can escape the short-lived carbon pool through grazing by microphagous zooplankton such as pteropods, doliolids, appendicularians and Antarctic krill, or through incorporation into organic aggregates (e.g. marine snow). In addition, there are direct and indirect sedimentation pathways for ice-related algae. Finally, the alternation between biological pumping of CO_2, during the ice-free season, and algal carbon uptake, during the ice-covered period, creates unique conditions for the potential sequestration of atmospheric CO_2. | |||||
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 9, p. 61-74, 発行日 1996-02 |
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出版者 | ||||||
出版者 | National Institute of Polar Research |