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Chlorophyll specific growth rate and grazing mortality rate of phytoplankton in the shelf water of the Bering Sea in summer
https://doi.org/10.15094/00006172
https://doi.org/10.15094/000061729ec95595-c20f-4858-bd13-429f45314da9
名前 / ファイル | ライセンス | アクション |
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KJ00000045416 (768.1 kB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 2001-02-01 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Chlorophyll specific growth rate and grazing mortality rate of phytoplankton in the shelf water of the Bering Sea in summer | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Bering Sea shelf | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | phytoplankton growth | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | grazing mortality | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | dilution methods | |||||
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 | 10.15094/00006172 | |||||
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) | |||||
著者名(英) |
Odate, Tsuneo
× Odate, Tsuneo× Saitoh, Sei-Ichi |
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著者所属(英) | ||||||
en | ||||||
Faculty of Fisheries, Hokkaido University/Faculty of Fisheries, Hokkaido University | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Chlorophyll specific growth rate and grazing mortality rate due to microzooplankton were estimated based on the dilution methods, using surface waters collected at four stations in the continental shelf area of the Bering Sea in summer. Growth rates and grazing mortality rates of phytoplankton communities were ranged between 0.06d^<-1> and 0.56d^<-1> and between 0.04d^<-1> to 0.33d^<-1>, respectively. The high growth rate seems to have resulted from continuous supply of nutrients caused by gentle stratification, which is a favorable condition of the water column for phytoplankton growth. Growth and grazing mortality rates were almost the same at one station, where the most typical summer concentration of chlorophyll a was observed (less than 1μgl^<-1>), suggesting that the major grazer seems to be microzooplankton in the Bering Sea shelf in summer. On the other hand, the lowest growth rate was obtained in near St. Laurence Island, where higher chlorophyll concentrations more than several μgl^<-1> occurred. In this water passive sinking of cells seems to become one of controlling factor of phytoplankton abundance. | |||||
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 14, p. 122-128, 発行日 2001-02 |
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出版者 | ||||||
出版者 | National Institute of Polar Research |