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  1. 139 大気海洋研究所
  2. 80 国際沿岸海洋研究センター
  3. Coastal Marine Science
  4. 33
  5. 1
  1. 0 資料タイプ別
  2. 30 紀要・部局刊行物
  3. Coastal Marine Science
  4. 33
  5. 1

Temporal changes in chlorophyll a concentrations and bacterial, viral, and heterotrophic nanoflagellate abundances in the coastal zone of Sagami Bay, Japan: implications of top-down and bottom-up effects

https://doi.org/10.15083/00040701
https://doi.org/10.15083/00040701
44a17049-29b4-440b-91e1-f0029526bfe2
名前 / ファイル ライセンス アクション
CMS330104.pdf CMS330104.pdf (875.1 kB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2010-05-28
タイトル
タイトル Temporal changes in chlorophyll a concentrations and bacterial, viral, and heterotrophic nanoflagellate abundances in the coastal zone of Sagami Bay, Japan: implications of top-down and bottom-up effects
言語
言語 eng
キーワード
主題Scheme Other
主題 Bacteria
キーワード
主題Scheme Other
主題 bottom-up
キーワード
主題Scheme Other
主題 chlorophyll a
キーワード
主題Scheme Other
主題 HNF
キーワード
主題Scheme Other
主題 top-down
キーワード
主題Scheme Other
主題 virus
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ departmental bulletin paper
ID登録
ID登録 10.15083/00040701
ID登録タイプ JaLC
著者 BAKI, Mohammad Abdul

× BAKI, Mohammad Abdul

WEKO 139258

BAKI, Mohammad Abdul

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MOTEGI, Chiaki

× MOTEGI, Chiaki

WEKO 139259

MOTEGI, Chiaki

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SHIBATA, Akira

× SHIBATA, Akira

WEKO 139260

SHIBATA, Akira

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FUKUDA, Hideki

× FUKUDA, Hideki

WEKO 139261

FUKUDA, Hideki

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SHIMODE, Shinji

× SHIMODE, Shinji

WEKO 139262

SHIMODE, Shinji

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KIKUCHI1, Tomohiko

× KIKUCHI1, Tomohiko

WEKO 139263

KIKUCHI1, Tomohiko

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著者所属
著者所属 Graduate School of Environment and Information Science, Yokohama National University, Japan
著者所属
著者所属 Ecological Research Center, Kyoto University, Japan
著者所属
著者所属 Ocean Research Institute, University of Tokyo, Japan
著者所属
著者所属 International Coastal Research Center, Ocean Research Institute, University of Tokyo, Japan
抄録
内容記述タイプ Abstract
内容記述 Spatio-temporal distribution patterns of bacterial abundance (BA) and production (BP), heterotrophic nanoflagellate abundance (HNFA), viral abundance (VA), and chlorophyll a concentrations (Chl a) were examined by annual monthly sampling of water from the surface to 100 m depth in a coastal area of Sagami Bay, Japan to investigate the changes of top-down and bottom-up effects on bacterial abundance. During the colder period (November to March), BA and BP were not significantly correlated through the water column, indicating that top-down effects controlled bacterial abundance. In contrast, BA was significantly positively correlated with BP during the warmer period (April to October). The ratio of the estimated potential grazing rate of nanoflagellates to BP during the colder period tended to be greater than that during the warmer period. The change of BA/HNFA suggested that HNF populations did not immediately reduce BA as much as might have been expected during the warmer period. The low values of BA/HNFA during the warmer period also suggested that predation effects were more important in regulating the population dynamics of HNF relative to bottom-up control by the bacterial food supply.
書誌情報 Coastal marine science

巻 33, 号 1, p. 29-38, 発行日 2009-08-20
ISSN
収録物識別子タイプ ISSN
収録物識別子 13493000
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AA11957899
フォーマット
内容記述タイプ Other
内容記述 application/pdf
日本十進分類法
主題Scheme NDC
主題 452
出版者
出版者 International Coastal Research Center, Ocean Research Institute, the University of Tokyo
出版者別名
東京大学海洋研究所国際沿岸海洋研究センター
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