Relationships between benthic foraminiferal metabolism and chemical environments in the sediments estimated by incubation experiments

2009 Fiscal Year Final Research Report

• Project/Area Number: 20740302
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Stratigraphy/Paleontology
• Research Institution: Japan Agency for Marine-Earth Science and Technology
• Principal Investigator: NOMAKI Hidetaka Japan Agency for Marine-Earth Science and Technology, 海洋・極限環境生物圏領域, 研究員 (90435834)
• Project Period (FY): 2008 – 2009
• Keywords: 古生態 / 底生有孔虫 / 堆積物-水境界 / 化学環境

Research Abstract

底生有孔虫の堆積物中での分布および呼吸活性が、堆積物中の化学組成、特に溶存酸素量および硝酸塩、亜硝酸塩などの栄養塩類とどのように関連しているのかを、実験的な手法を用いて明らかにした。還元系発色試薬の有用性が示されるとともに、底生有孔虫の代謝が、間隙水の化学組成により支配される鉛直分布と密接に関連していることが明らかになった。

Research Products

• [Journal Article] The role of meiofauna in deep-sea benthic food webs revealed by carbon and nitrogen stable isotope analyses. (2010)
  • Author(s): Nomaki H, Ogawa NO, Ohkouchi N, Toyofuku T, Kitazato H
  • Journal Title: In Earth, Life, and Isotopes (Eds: Ohkouchi N, Tayasu I, and Koba K)(Kyoto University Press) (in press)
  • Peer Reviewed
• [Journal Article] Degradation of algal lipids by deep-sea benthic foraminifera: an in situ tracer experiment (2009)
  • Author(s): Nomaki H, Ohkouchi N, Heinz P, Suga H, Chikaraishi Y, Ogawa NO, Matsumoto K, Kitazato H.
  • Journal Title: Deep-Sea Research Part I 56 Pages: 1488-1503
  • Peer Reviewed
• [Journal Article] Nitrogen cycling in a deep ocean margin sediment (2009)
  • Author(s): Glud RN, Thamdrup B, Stahl H, Wenzhoefer F, Glud AN, Nomaki H, Oguri K, Revsbech NP, Kitazato H.
  • Journal Title: Limnology and Oceanography 54 Pages: 723-734
  • Peer Reviewed
• [Journal Article] Intracellular pH-distribution in foraminifera determined by the fluorescent probe HPTS. (2008)
  • Author(s): De Nooijer LJ, Toyofuku T, Oguri K, Nomaki H, Kitazato H.
  • Journal Title: Limnology and Oceanography Method 6 Pages: 610-618
  • Peer Reviewed
• [Journal Article] Benthic foraminifera as trophic links between phytodetritus and benthic metazoans: carbon and nitrogen isotopic evidence. (2008)
  • Author(s): Nomaki H, Ogawa N O, Ohkouchi N, Suga H, Toyofuku T, Shimanaga M, Nakatsuka T, Kitazato H.
  • Journal Title: Marine Ecology Progress Series 357 Pages: 153-164
  • Peer Reviewed
• [Journal Article] Spatial changes in the distributions of deep-sea "Cerviniidae" (Harpacticoida, Copepoda) and their associations with environmental factors in the bathyal zone around Sagami Bay (2008)
  • Author(s): Shimanaga M, Nomaki H, Iijima K
  • Journal Title: Japan. Marine Biology 153 Pages: 493-506
  • Peer Reviewed
• [Presentation] 深海底での有機物生産と有孔虫との関係 (2010)
  • Author(s): 野牧秀隆、豊福高志、Christophe Fontanier、北里洋
  • Organizer: 2009年度MRC研究発表会
  • Place of Presentation: 松江・島根大学
  • Year and Date: 2010-03-18
• [Presentation] 日本海隠岐堆における深海生物群集と物質循環への貢献 (2010)
  • Author(s): 野牧秀隆、豊福高志、小山純弘、坂井三郎、井上健太郎
  • Organizer: Blue Earth 2010
  • Place of Presentation: 品川・東京海洋大学
  • Year and Date: 2010-03-03
• [Presentation] 有孔虫による有機/無機炭素の利用-相模湾での観測結果から- (2010)
  • Author(s): 野牧秀隆、豊福高志、Christophe Fontanier、北里洋
  • Organizer: 2009年度古海洋シンポジウム
  • Place of Presentation: 中野区・東大海洋研
  • Year and Date: 2010-01-07
• [Presentation] Benthic foraminiferal lipid compositions and their isotopic compositions: are they clues to foraminiferal feeding habits? (2009)
  • Author(s): Nomaki H, Ohkouchi N, Chikaraishi Y, Suga H, Kitazato H.
  • Organizer: The Micropalaeontological Society's Foraminifera and Nannofossil Groups Joint Spring Meeting
  • Place of Presentation: チューリッヒ・スイス
  • Year and Date: 2009-06-17
• [Presentation] アラビア海酸素極小層の底生生物群集による有機物消費過程 (2009)
  • Author(s): 野牧秀隆、菅寿美、井上健太郎、小栗一将、北里洋
  • Organizer: 日本地球惑星科学連合2009年大会
  • Place of Presentation: 幕張
  • Year and Date: 2009-05-19
• [Presentation] YK08-11乗船研究者一同. アラビア海酸素極小層の底生有孔虫類による有機物消費過程 (2009)
  • Author(s): 野牧秀隆、菅寿美、井上健太郎、小栗一将、北里洋、岡田聡
  • Organizer: ブルーアースシンポジウム2009
  • Place of Presentation: 池袋・立教大学
  • Year and Date: 2009-03-13
• [Presentation] 育実験のこれまでとこれから. MRC研究野牧秀隆 (2009)
  • Author(s): 野牧秀隆、山岡明雄、大鋸朋生、北里洋
  • Organizer: 深海生底生有孔虫類の現場実験・室内飼発表会2009
  • Place of Presentation: 新宿国立科学博物館分館
  • Year and Date: 2009-03-03
• [Presentation] Benthic Activities and Organic Carbon Consumption at the Sediment-Water Interface Revealed by in situ 13C-Tracer Experiments (2008)
  • Author(s): Nomaki H, Ohkouchi N, Ogawa NO, Suga H, Oguri K, Kitazato H.
  • Organizer: 7th International Symposium for Subsurface Microbiology
  • Place of Presentation: 静岡・日本
  • Year and Date: 2008-11-18
• [Presentation] 堆積物間隙水の化学組成に応じた底生有孔虫の深度分布と代謝活性の関連 (2008)
  • Author(s): 野牧秀隆・豊福高志・Lennart de Nooijer・菅寿美・小栗一将・北里洋
  • Organizer: 日本古生物学会2008年年会
  • Place of Presentation: 東北大学
  • Year and Date: 2008-07-06
• [Presentation] Particulate versus dissolved organic matter uptake by deep-sea benthic foraminifera revealed by in situ 13C-labeling experiments. (2008)
  • Author(s): Nomaki H, Ogawa NO, Suga H, Ohkouchi N, Kitazato H.
  • Organizer: The Micropalaeontological Society's Foraminifera and Nannofossil Groups Joint Spring Meeting
  • Place of Presentation: チュービンゲン・ドイツ
  • Year and Date: 2008-05-15
• [Remarks]
  • URL: http://www.jamstec.go.jp/seika/pub-j/res/ress/nomakih/index.html