*Nana Samori¹, Daiki Nomura^1,2,3, Manami Tozawa¹, Shin-ichiro Nakaoka⁴, Kaihe Yamazaki^5,6, Daisuke Hirano⁷, Shigeru Aoki⁸, Hiroto Murase⁹ (1.Faculty of Fisheries sciencies,Hokkaido University, 2.Field Science Center for Northern Biosphere, Hokkaido University, 3.Arctic Research Center, Hokkaido University, 4.National Institute for Environmental Studies, 5.Institute for Marine and Antarctic Studies, University of Tasmania, 6.The Australian Centre for Excellence in Antarctic Science, 7.National Institute of Polar Research, 8.Institute of Low Temperature Science, 9.Tokyo University of Marine Science and Technology)

*Daisuke Hirano¹, Mizobata Kohei², Kazuya Kusahara³, Kazuya Ono⁴, Masakazu Fujii¹, Ryosuke Makabe¹, Kay I. Ohshima⁴, Takeshi Tamura¹, Shigeru Aoki⁴ (1.National Institute of Polar Research, 2.Tokyo University of Marine Science and Technology, 3.Japan Agency for Marine-Earth Science and Technology, 4. Institute of Low Temperature Science, Hokkaido University)

*Masakazu Fujii^1,2, Daisuke Hirano^1,2, Kohei Mizobata³, Takeshi Tamura^1,2, Shigeru Aoki⁴, Mifuka Ishikawa⁵ (1.National Institute of Polar Research, 2.SOKENDAI (The Graduate University for Advanced Studies), 3.Tokyo University of Marine Science and Technology, 4.Hokkaido University, 5.Japan Coast Guard)