Zen Tamura², Masahiro Nakaoka³, *Masahiko Fujii¹ (1.Faculty of Environmental Earth Science, 2.Graduate School of Environmental Science, 3.Akkeshi Marine Station, Field Science Center for Northern Biosphere, Hokkaido University)

*Yoshiyuki TANAKA¹, Takashi Nakamura², Masaya Yoshikai², Toshihiro Miyajima³, kazuo nadaoka², Atsushi Watanabe², Fernando Siringan⁴, Masahiro Nakaoka⁵, Rempei Suwa⁶, Miguel Fortes⁴ (1. Center for Liberal Arts and Science, Hachinohe Institute of Technology,, 2.Department of Transdisciplinary Science and Engineering, School of Environment and Society, Tokyo Institute of Technology,, 3.Marine Biogeochemistry Group, Atmosphere and Ocean Research Institute, The University of Tokyo,, 4.Marine Science Institute, University of the Philippines, 5.Hokkaido University, 6.Forestry and Forest Products Research Institute )

*Yoshiyuki TANAKA¹, Takashi Nakamura², Masaya Yoshikai², Toshihiro Miyajima³, kazuo nadaoka², Atsushi Watanabe², Fernando Siringan⁴, Masahiro Nakaoka⁵, Rempei Suwa⁶, Miguel Fortes⁴ (1. Center for Liberal Arts and Science, Hachinohe Institute of Technology,, 2.Department of Transdisciplinary Science and Engineering, School of Environment and Society, Tokyo Institute of Technology,, 3.Marine Biogeochemistry Group, Atmosphere and Ocean Research Institute, The University of Tokyo,, 4.Marine Science Institute, University of the Philippines, 5.Hokkaido University, 6.Forestry and Forest Products Research Institute )

*Takehisa Yamakita^1,6, Hiroyuki Yokooka², Fumiaki Sodeyama¹, Yoshihiro Fujiwara¹, Masaru Kawato ¹, Shinji Tsuchida¹, Shojiro Ishibashi¹, Tadayuki Kurokawa², Dhugal Lindsay¹, Masahiro Nakaoka³, Kentaro Watanabe⁴, Napakhwan Wanpetch⁵, Yumiko Yara¹, Misako Matsuba¹, Katsunori FUJIKURA¹ (1.Japan Agency for Marine-Earth Science and Technology, 2.IDEA Consultants Inc., 3.Hokkaido University, 4.Waterfront Vitalization and Environment Research Foundation, 5.Kasetsart University, 6.Hiroshima University)