Variable energy utilization of benthic foraminifera in relation to redox conditions

2011 Fiscal Year Final Research Report

• Project/Area Number: 22740340
• 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 独立行政法人海洋研究開発機構, 海洋・極限環境生物圏領域, 研究員 (90435834)
• Project Period (FY): 2010 – 2011
• Keywords: 底生有孔虫 / 呼吸 / 堆積物-水境界 / 酸化還元環境 / 同位体標識実験 / アミノ酸

Research Abstract

We developed a method to identify foraminiferal metabolic activities in situ. Also, we found a novel tool to estimate the degree of denitrification in foraminiferal cells by comparing nitrogen isotopic compositions of amino acids in foraminiferal cell and in organic matter of foraminiferal test. This will be useful proxy to estimate foraminiferal respiration from shallow water to deep-sea.

Research Products

• [Journal Article] Novel use of burrow casting as a research tool in deep-sea ecology (2012)
  • Author(s): Seike K, Jenkins RG, Watanabe H, Nomaki H, Sato K
  • Journal Title: Bilology Letters
  • DOI: DOI:10.1098/rsbl.2011.1111
  • Peer Reviewed
• [Journal Article] Differing utilization of glucose and algal particulate organic matter by deep-sea benthic organisms of Sagami Bay, Japan (2011)
  • Author(s): Nomaki H, Ogawa NO, Takano Y, Suga H, Ohkouchi N, and Kitazato H.
  • Journal Title: Marine Ecology Progress Series Volume: 431 Pages: 11-24
  • URL: http://www.sciencedirect.com/science/article/pii/S0967063709000909
  • Peer Reviewed
• [Journal Article] Response of the benthic foraminiferal community to a simulated short-term phytodetritus pulse in the abyssal North Pacific (2011)
  • Author(s): Enge AJ, Nomaki H, Ogawa NO, Witte U, Moeseneder MM, Lavik G, Ohkouchi N, Kitazato H, Ku. era M, Heinz P
  • Journal Title: Marine Ecology Progress Series Volume: 438 Pages: 129-142
  • URL: http://www.int-res.com/abstracts/meps/v438/p129-142/
  • Peer Reviewed
• [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: Earth, Life, and Isotopes Pages: 119-138
  • URL: http://www.kyoto-up.or.jp/book.php?id=1687
  • Peer Reviewed
• [Journal Article] Sedimentary membrane lipids recycled by deep-sea benthic archaea (2010)
  • Author(s): Takano Y, Chikaraishi Y, Ogawa NO, Nomaki H, Morono Y, Inagaki F, Kitazato H, Hinrichs K, Ohkouchi N
  • Journal Title: Nature Geoscience Volume: 3 Pages: 858-861
  • URL: http://www.nature.com/ngeo/journal/v3/n12/abs/ngeo983.html
  • Peer Reviewed
• [Journal Article] Low bacterial diversity and high labile organic matter concentrations in the sediments of the Medee deep-sea hypersaline anoxic basin
  • Author(s): Akoumianaki I, Nomaki H, Pachiadaki M, Kormas KA, Kitazato H, Tokuyama H
  • Journal Title: Microbes and Environments Volume: (in press)
  • URL: https://www.jstage.jst.go.jp/article/jsme2/advpub/0/advpub_ME12045/_article
  • Peer Reviewed
• [Presentation] 深海底での炭素固定量の現場測定実験 (2012)
  • Author(s): 野牧秀隆,井上健太郎,菅寿美・豊福高志・土屋正史・北里洋
  • Organizer: Blue Earth 2012
  • Place of Presentation: 品川・東京海洋大学
  • Year and Date: 2012-02-22
• [Presentation] 底生有孔虫の細胞質に由来する有機物の微好気/嫌気的環境下での長期保存 (2011)
  • Author(s): 野牧秀隆、小川奈々子、大河内直彦、北里洋
  • Organizer: 日本地球惑星科学連合2011年大会
  • Place of Presentation: 幕張メッセ、幕張
  • Year and Date: 2011-05-26
• [Presentation] Algal carbon processing by benthic foraminifera and microbes across the Arabian Sea Oxygen Minimum Zone (2011)
  • Author(s): Nomaki H, Inoue K, Suga H, and Kitazato H
  • Organizer: EGU2011
  • Place of Presentation: ウィーン・オーストリア
  • Year and Date: 2011-04-07
• [Presentation] Linear inverse modelと現場実験、観測値を統合した相模湾深海底の炭素循環モデル (2011)
  • Author(s): 野牧秀隆、豊福高志、北里洋、Dick van Oevelen
  • Organizer: 2010年度古海洋シンポジウム
  • Place of Presentation: 東京大学大気海洋研究所、柏
  • Year and Date: 2011-01-06
• [Presentation] Deep-sea benthic food-web structure at the bathyal Sagami Bay revealed by in situ experiments and linear inverse model (2010)
  • Author(s): Nomaki H, van Oevelen D, Toyofuku T, Kitazato H
  • Organizer: Trench Connection : International Symposium on the Deepest Environment on Earth
  • Place of Presentation: 柏・日本
  • Year and Date: 2010-11-10
• [Presentation] Onboard and in situ incubation experiments for understanding deep-sea benthic foraminiferal ecologies (2010)
  • Author(s): Nomaki H, Toyofuku T, de Nooijer LJ, Suga H, and Kitazato H
  • Organizer: FORAMS2010
  • Place of Presentation: ボン・ドイツ
  • Year and Date: 2010-09-06
• [Presentation] Utilization of dissolved organic matter by the deep-sea benthic community at the Sagami Bay, Japan (2010)
  • Author(s): Nomaki H, Ogawa NO, Takano Y, Suga H, Ohkouchi N, Toyofuku T, and Kitazato H
  • Organizer: 12th Deep-Sea Biology Symposium
  • Place of Presentation: レイキャビク・アイスランド
  • Year and Date: 2010-06-10
• [Remarks]
  • URL: http://www.jamstec.go.jp/seika/pub-j/res/ress/nomakih/index.html