JpGU-AGU Joint Meeting 2020

Keisuke Koba

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Convener, Chairperson

One-off sessions

  • [J] Oral
  • | M (Multidisciplinary and Interdisciplinary)
  • | M-IS Intersection

[M-IS25] Biogeochemistry

convener:Keisuke Koba(Center for Ecological Research, Kyoto University), Hideaki Shibata(Field Science Center fot Northern Biosphere, Hokkaido University), Naohiko Ohkouchi(Japan Agency for Marine-Earth Science and Technology), Youhei Yamashita(Faculty of Environmental Earth Science, Hokkaido University)

One-off sessions

  • [J] Oral
  • | M (Multidisciplinary and Interdisciplinary)
  • | M-IS Intersection

[M-IS25] Biogeochemistry

convener:Keisuke Koba(Center for Ecological Research, Kyoto University), Hideaki Shibata(Field Science Center fot Northern Biosphere, Hokkaido University), Naohiko Ohkouchi(Japan Agency for Marine-Earth Science and Technology), Youhei Yamashita(Faculty of Environmental Earth Science, Hokkaido University)

One-off sessions

  • [J] Oral
  • | M (Multidisciplinary and Interdisciplinary)
  • | M-IS Intersection

[M-IS25] Biogeochemistry

convener:Keisuke Koba(Center for Ecological Research, Kyoto University), Hideaki Shibata(Field Science Center fot Northern Biosphere, Hokkaido University), Naohiko Ohkouchi(Japan Agency for Marine-Earth Science and Technology), Youhei Yamashita(Faculty of Environmental Earth Science, Hokkaido University)

One-off sessions

  • [J] Poster
  • | M (Multidisciplinary and Interdisciplinary)
  • | M-IS Intersection

[M-IS25] Biogeochemistry

convener:Keisuke Koba(Center for Ecological Research, Kyoto University), Hideaki Shibata(Field Science Center fot Northern Biosphere, Hokkaido University), Naohiko Ohkouchi(Japan Agency for Marine-Earth Science and Technology), Youhei Yamashita(Faculty of Environmental Earth Science, Hokkaido University)

Speaker, Author, Co-Author

One-off sessions

  • [J] Oral
  • | H (Human Geosciences )
  • | H-TT Technology & Techniques

[H-TT16] Development and application of environmental traceability methods

[HTT16-10] Stable isotope analysis provides new insight into feeding habit of freshwater fish in a reservoir

*Ayano Medo1, Nobuhito Ohte1, Keisuke Koba2, Nobuaki Arai3, Yasushi Mitsunaga4, Thavee Viputhanumas5, Kiattipong Kamdee6, Manabu Kume3, Hiromichi Mitamura1 (1.Graduate School of Informatics, Kyoto University, 2.Center for Ecological Research, Kyoto University, 3.Field Science Education and Research Center, Kyoto University, 4.Faculty of Agriculture, Kindai University, 5.Inland Aquaculture Research and Development Division, Department of Fisheries, 6.Thailand Institute of Nuclear Technology)

One-off sessions

  • [J] Oral
  • | M (Multidisciplinary and Interdisciplinary)
  • | M-IS Intersection

[M-IS25] Biogeochemistry

One-off sessions

  • [J] Oral
  • | M (Multidisciplinary and Interdisciplinary)
  • | M-IS Intersection

[M-IS25] Biogeochemistry

One-off sessions

  • [J] Poster
  • | M (Multidisciplinary and Interdisciplinary)
  • | M-IS Intersection

[M-IS25] Biogeochemistry

[MIS25-P04] Nitrate contamination of mountainous headwater streams from adjacent agricultural and pasture lands beyond the watershed boundary in eastern Hokkaido, Japan

*Keitaro Fukushima1, Kenta Iwasaki2, Yoshiya Oda3, Masaru Sakai4, Yuji Onishi1, Keisuke Koba1, Genki Katata5, Takashi Yamaguchi2, Tomohiro Kubota5, Hirohiko Nagano6, Makoto Watanabe7, Jun Koarashi6 (1.Kyoto University, 2.Hokkaido Research Organization, 3.Tokyo Metropolitan University, 4.Chuo University, 5.Ibaraki University, 6.Japan Atomic Energy Agency, 7.Tokyo University of Agriculture and Technology)