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Subsurface chlorophyll a maximum in the coastal front around St. Paul Island
https://doi.org/10.15094/00006255
https://doi.org/10.15094/00006255deb6b526-e734-4c07-af7d-d2470c3f399b
名前 / ファイル | ライセンス | アクション |
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KJ00004531423 (712.9 kB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 2006-12-01 | |||||
タイトル | ||||||
タイトル | Subsurface chlorophyll a maximum in the coastal front around St. Paul Island | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | the Bering Sea shelf, St. Paul Island, subsurface chlorophyll a maximum, large phytoplankton, nutrients | |||||
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 | 10.15094/00006255 | |||||
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) | |||||
論文名よみ | ||||||
その他のタイトル | Subsurface chlorophyll a maximum in the coastal front around St. Paul Island | |||||
著者名(英) |
Shiomoto, Akihiro
× Shiomoto, Akihiro |
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著者所属(英) | ||||||
en | ||||||
National Research Institute of Fisheries Science, Fisheries Research Agency | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Size-fractionated primary productivity and chlorophyll a (Chl a) concentration were measured in the middle domain of the southeastern Bering Sea shelf in summer 2004. A subsurface Chl a maximum of 7.9 μg l^(-1) was observed at 20 m depth, around the pycnocline in the coastal front around St. Paul Island. Large phytoplankton exceeding 10 μm in size accounted for about 80% of the primary productivity and Chl a concentration at the subsurface Chl a maximum. The growth rate of the large phytoplankton was estimated to be 0.09 d^(-1), which is low compared to previously reported growth rates as well as other rates obtained in this study (0.06-0.56 d^(-1)). More abundant nutrient supply from deeper to upper layers due to the topography of the area is considered the leading factor producing the subsurface Chl a maximum. Moreover, ineffective grazing of the large phytoplankton in the middle shelf domain and their accumulation around the pycnocline are thought to be advantageous factors maintaining the subsurface Chl a maximum. | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11327019 | |||||
書誌情報 |
Polar bioscience 巻 20, p. 21-29, 発行日 2006-12 |
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出版者 | ||||||
出版者 | National Institute of Polar Research |