10:15 AM - 10:30 AM
*Toru Hirawake1, Hisatomo Waga2, Takuro Kaneko2, Koji Suzuki3, Youhei Yamashita3, Jun Nishioka4 (1.Faculty of Fisheries Sciences, Hokkaido University, 2.Graduate school of Fisheries Sciences, Hokkaido Univeristy, 3.Faculty of Environmental Earth Science, Hokkaido University, 4.Institute of Low Temperature Science, Hokkaido University)