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ABUNDANCE AND BIOMASS DISTRIBUTION OF MICROBIAL ASSEMBLAGES AT THE SURFACE IN THE OCEANIC PROVINCE OF ANTARCTIC OCEAN (14th Symposium on Polar Biology)
https://doi.org/10.15094/00005180
https://doi.org/10.15094/00005180cb350376-5425-479d-92a7-1ea3ce55e594
名前 / ファイル | ライセンス | アクション |
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KJ00001983671 (1.7 MB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 1993-01-01 | |||||
タイトル | ||||||
タイトル | ABUNDANCE AND BIOMASS DISTRIBUTION OF MICROBIAL ASSEMBLAGES AT THE SURFACE IN THE OCEANIC PROVINCE OF ANTARCTIC OCEAN (14th 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 | 10.15094/00005180 | |||||
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 | ABUNDANCE AND BIOMASS DISTRIBUTION OF MICROBIAL ASSEMBLAGES AT THE SURFACE IN THE OCEANIC PROVINCE OF ANTARCTIC OCEAN (14th Symposium on Polar Biology) | |||||
著者名よみ |
イシヤマ, ミチエ
× イシヤマ, ミチエ× ヒロミ, ジュウロウ× タニムラ, アツシ× カドタ, サダミ |
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著者名(英) |
ISHIYAMA, Michie
× ISHIYAMA, Michie× HIROMI, Juro× TANIMURA, Atsushi× KADOTA, Sadami |
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著者所属(英) | ||||||
en | ||||||
Laboratory of Fisheries Oceanography, College of Agriculture and Veterinary Medicine, Nihon University | ||||||
著者所属(英) | ||||||
en | ||||||
Laboratory of Fisheries Oceanography, College of Agriculture and Veterinary Medicine, Nihon University | ||||||
著者所属(英) | ||||||
en | ||||||
National Institute of Polar Research | ||||||
著者所属(英) | ||||||
en | ||||||
Laboratory of Fisheries Oceanography, College of Agriculture and Veterinary Medicine, Nihon University | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | During the JARE-32 (the 32nd Japanese Antarctic Research Expedition) cruise, bacterioplankton, autotrophic and heterotrophic nanoplankton (2-20 μm in length), and microzooplankton (15-250 μm in length) were collected from the surface of the Indian and Australian sectors of Antarctic Ocean. The average abundance of bacterioplankton was 4.56×10^4 cells/ml, and the biomass was 0.25 mg C/m^3. The values of the autotrophic nanoplankton were 0.5×10^3 cells/ml and 2.27 mg C/m^3, respectively. There were 1.02×10^2 cells/ml of heterotrophic nanoplankton in abundance, and its biomass was 0.71 mg C/m^3. About 30% of the biomass of this assemblage was choanoflagellates. Average abundance and biomass of the microzooplankton were 1.62×10^3 inds./l and 3.78 mg C/m^3, respectively. A large portion of the abundance and biomass of microzooplankton was oligotrichs. Protozoans within micro-sized (15-250 μm) category which ingest preys similar to or larger than themselves were found where biomass ratio of nanoplankton to microzooplankton was low (<0.3). This may indicate adaptability of the protozoan to a severe food environment. The biomass (log-scale) decreased linearly with increasing individual body weight (log-scale) with a slope of -0.21. This result suggests that smaller protozoans such as heterotrophic nanoplankton and oligotrichs have an important role in the Antarctic Ocean's energy flow. | |||||
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 6, p. 6-20, 発行日 1993-01 |
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出版者 | ||||||
出版者 | National Institute of Polar Research |