9:15 AM - 9:30 AM
*Makoto Yamada1, Masahiko Fujii2, Tsuneo Ono3, Shigeki Wada4, Manabu Oue4 (1.Faculty of Economics, Ryukoku University, 2.Faculty of Environmental Earth Science, Hokkaido University, 3.Japan Fisheries Research and Education Agency, 4.Shimoda Marine Research Center, University of Tsukuba)