4:45 PM - 5:00 PM
*Toru HIRAWAKE1, Ryosuke FUTSUKI1, Katuhito SHINMYO1, Shintaro TAKAO2, Amane FUJIWARA3, Sei-ichi SAITOH1 (1.Faculty/Graduate School of Fisheries Sciences, Hokkaido University, 2.Faculty of Environmental Earth Science, Hokkaido University, 3.National Institute of Polar Research)