*Kotaro Hirose1, Hanna Nilsson3,2, Karin Rengefors3, Olof Berglund3, Filipsson F. Helena2 (1.Faculty of Science & Engineering, Waseda University, 2.Dept. of Geology, Lund University, Lund, Sweden, 3.Dept. of Biology, Lund University, Lund, Sweden)
convener:Takashi Toyofuku(Japan Agency for Marine-Earth Science and Technology (JAMSTEC)), Jelle Bijma(Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung), Hiroshi Kitazato(Tokyo University of Marine Science and Technology (TUMSAT)), Kotaro Hirose(Faculty of Science and Engineering, Waseda University)