*Hiroshi Sato¹, Shiki Machida², Kana Ashida², Ryoko Senda³, Osamu Ishizuka⁴, Christine MEYZEN⁵, Michael BIZIMIS⁶, Taichi Sato⁴, Masakazu Fujii^7,8, Yoshifumi Nogi^7,8 (1.School of Business Administration, Senshu University, 2.Ocean Resources Research Center for Next Generation, Chiba Institute of Technology, 3.Faculty of Social and Cultural Studies, Kyushu University, 4.Geological Survey of Japan, AIST, 5.Università degli Studi di Padova, 6.University of South Carolina, 7.National Institute of Polar Research, 8.School of Multidisciplinary Sciences, The Graduate University for Advanced Studies, SOKENDAI)