IKENOUE TAKAHITO

Research Institute for Global Change Earth Surface System Research Center Marine Ecosystem Research Group-

  • Senior Researcher

Degree

  • Ph.D. (Science), Kyushu University (26 March, 2013), Mar. 2013
  • Master of Science, Kyushu University (25 March, 2010), Mar. 2010
  • Bachelor of Science, Kyushu University (25 March, 2008), Mar. 2008

Research Interests

  • microplastics
  • marine plastic debris
  • Southern Ocean
  • Antarctic Ocean
  • Environmental radioactivity
  • Arctic Sea
  • Aleutian Islands
  • Okhotsk Sea
  • Bering Sea
  • Biogeochemistry
  • paleoceanography
  • Carbon Cycle
  • Marine Geology
  • Micro fossil
  • mesoscale eddy
  • global warming
  • plankton
  • ocean
  • Arctic Oscillation
  • material cycle
  • environmental change
  • North Pacific Ocean
  • Quaternary
  • reconstruction of paleoenvironment
  • climatic change

Research Areas

  • Environmental science/Agricultural science, Environmental dynamics
  • Natural sciences, Biogeoscience
  • Natural sciences, Solid earth science

Research History

  • Apr. 2026 - Present
    Japan Agency for Marine-Earth Science and Technology, Marine Ecosystem Research Group, Earth Surface System Research Center, Research Institute for Global Change (RIGC), Senior Researcher with Tenure
  • Oct. 2025 - Mar. 2026
    Japan Agency for Marine-Earth Science and Technology, Marine Plastic Research Group Research Institute for Global Change (RIGC), Senior Researcher with Tenure
  • Apr. 2025 - Sep. 2025
    Japan Agency for Marine-Earth Science and Technology, Marine Plastic Research Group Research Institute for Global Change (RIGC), Researcher with Tenure
  • Dec. 2021 - Mar. 2025
    Japan Agency for Marine-Earth Science and Technology, Marine Plastic Research Group Research Institute for Global Change (RIGC), Researcher (Tenure-Track)
  • Apr. 2021 - Nov. 2021
    Marine Ecology Research Institute, Head Office, Scientist
  • Apr. 2014 - Mar. 2021
    MARINE ECOLOGY RESEARCH INSTITUTE, Central Laboratory Marine Environment Group, Scientist
  • Apr. 2013 - Mar. 2014
    Japan Agency for Marine-Earth Science and Technology, RIGC, Visiting Researcher
  • Apr. 2013 - Mar. 2014
    Kyushu University, JSPS Post-doctoral Research Fellow
  • May 2013 - Nov. 2013
    University of Oslo, Natural History Museum, Department of Geology, Guest Researcher
  • Apr. 2012 - Mar. 2013
    Kyushu University, JSPS Research Fellow (DC2)

Education

  • Apr. 2010 - Mar. 2013, Kyushu University, Graduate School of Science, Department of Earth and Planetary Sciences (Doctor)
  • Apr. 2008 - Mar. 2010, Kyushu University, Graduate School of Science, Department of Earth and Planetary Sciences (Master)
  • Apr. 2004 - Mar. 2008, Kyushu University, Graduate School of Science, Department of Earth and Planetary Sciences (Bachelor)
  • Apr. 1999 - Mar. 2002, Fukuoka Prefectural Shuyukan High School

Committee Memberships

  • Nov. 2025 - Present
    AMAP Litter and Microplastic Expert group (LMEG), Member, Arctic Monitoring and Assessment Programme (AMAP) working group of the Arctic Council
  • Apr. 2025 - Present
    Plankton and Benthos Research, Editor, The Plankton Society of Japan
  • Jun. 2022 - Present
    Editorial board member of PALEO, Paleosciences Society
  • Apr. 2022 - Present
    Councilor, Paleosciences Society
  • Jan. 2022 - Present
    Advisory Panel on Science Communications (AP-SciCom), The North Pacific Marine Science Organization (PICES)
  • Apr. 2025 - Mar. 2026
    実行委員, 微古生物学リファレンスセンター研究集会 (MRC2026) 実行委員会
  • Oct. 2021 - Mar. 2023
    九州大学 理学府 地球惑星科学専攻 修士課程 副指導教員
  • Nov. 2013 - Mar. 2014
    Executive Committee, Micropaleontological Referencett Center Workshop 2014 Executive Commiee

Papers

Misc.

Books and Other Publications

Presentations

Professional Memberships

  • Jun. 2021 - Present
    The Society of Iodine Science               
  • Aug. 2015 - Present
    日本海洋学会海洋環境問題研究会               
  • Jun. 2014 - Present
    Ocean Literacy and Education Panel               
  • Apr. 2013 - Present
    Japan Consortium of Arctic Environmental Research               
  • Sep. 2012 - Present
    Paleosciences Society               
  • Sep. 2011 - Present
    Japan Society for Science Visualization               
  • Sep. 2011 - Present
    THE PLANKTON SOCIETY OF JAPAN               
  • Feb. 2010 - Present
    Japan Geoscience Union               
  • Oct. 2009 - Present
    American Geophysical Union               
  • Jul. 2008 - Present
    The Oceanographic Society of Japan               
  • Apr. 2021 - Mar. 2023
    Association for the Sciences of Limnology and Oceanography               

Works

Media Coverage