*Michinari Sunamura1 (1.University of Tokyo Dept. of Earth & Planetary Science)
convener:Michinari Sunamura(University of Tokyo Dept. of Earth & Planetary Science), Natsuko Hamamura(Kyushu University), Keisuke Koba(京都大学生態学研究センター, 共同), Yuki Morono(Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology)