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Photosynthetic characteristics of phytoplankton off Adelie Land, Antarctica, during the austral summer
https://doi.org/10.15094/00006144
https://doi.org/10.15094/00006144cf45ad5e-fdcd-40ea-9068-85ff0a24717f
名前 / ファイル | ライセンス | アクション |
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KJ00000045388 (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 | 2000-02-01 | |||||
タイトル | ||||||
タイトル | Photosynthetic characteristics of phytoplankton off Adelie Land, Antarctica, during the austral summer | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | photosynthesis-irradiance curve | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | quantum yield | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | phytoplankton | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Adelie Land | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Antarctica | |||||
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 | 10.15094/00006144 | |||||
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) |
Hirawake, Toru
× Hirawake, Toru× Satoh, Hiroo× Ishimaru, Takashi× Yamaguchi, Yukuya |
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著者所属(英) | ||||||
en | ||||||
Department of Ocean Science, Tokyo University of Fisheries/Department of Ocean Science, Tokyo University of Fisheries/Department of Ocean Science, Tokyo University of Fisheries/Department of Ocean Science, Tokyo University of Fisheries | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | The photosynthesis-irradiance characteristics (P-E curves) and quantum yields of natural phytoplankton were investigated in the Southern Ocean off Adelie Land, Antarctica, during the austral summer. Data were acquired at eight stations during a cruise of T/V Umitaka-Maru III. The photosynthetic P-E curves showed low light adaptation of phytoplankton. Mean value (±standard deviation) of the P-E curve parameters, α^*, and I_k, were 0.014 (±0.013) mgC (mg chl. α)^<-1> h^1 (μmol photons m^<-2> s^<-1>)^<-1> and 76 (±55) μmol photons m^<-2> s^<-1>, respectively. Although phytoplankton were adapted to low irradiance, the phytoplankton in the SCM were not fully adapted to the low irradiance prevailing at those depths. P^*_<max> in the studied region was low (mean of 0.66 (±0.37) mgC (mg chl. α)^<-1> h^<-1>) and generally lower than the previously reported values in waters near the Antarctic Peninsula. The maximum quantum yield varied widely, ranging from 0.001 to 0.038mol C (mol photons absorbed)^<-1> at the surface and from 0.007 to 0.092mol C (mol photons absorbed)^<-1> near the bottom of the euphotic zone. These values were within the range of published data. Comparison of photosynthetic parameters with historical data indicated that primary productivity from remotely sensed data for the whole of the Southern Ocean, based on these field estimates of photosynthetic parameters, has been overestimated. | |||||
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 13, p. 28-42, 発行日 2000-02 |
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出版者 | ||||||
出版者 | National Institute of Polar Research |