2:15 PM - 2:30 PM
*Takafumi Kataoka1, Tsuyoshi Watanabe3, Yukiko Taniuchi4, Haruyo Yamaguchi2, Shigeho Kakehi3, Tomoko Sakami3, Masanobu Kawachi2, Akira Kuwata3 (1.Fukui Prefectural University, 2.National Institute of Environmental Science, 3.Tohoku National Fisheries Research Institute, 4.Hokkaido National Fisheries Research Institute)