*Haruna Sugahara1,2, Yoshinori Takano1, Yuzuru Karouji3, Kazuya Kumagai4, Toru Yada3, Naohiko Ohkouchi1, Masanao Abe3, Hayabusa2 project team (1.Japan Agency for Marine-Earth Science and Technology (JAMSTEC), 2. Institut de Chimie de Nice, Universite Cote dAzur, 3.Japan Aerospace Exploration Agency (JAXA), 4.Marine Works Japan Ltd.)
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), Chairperson:Keisuke Koba(Kyoto University), Yoshiyuki Inagaki, Kazumichi Fujii