*Yurika Ujiie¹, Yoshiyuki Ishitani², Yukiko Nagai², Yoshihiro Takaki², Takashi Toyofuku², Shunichi Ishii² (1.Marine Core Research Institute, Kochi University, 2.Japan Agency for Marine-Earth Science and Technology)

*Yurika Ujiie¹, Toshihiro Yoshimura², Yoshiyuki Ishitani³, Koki Miura¹, Dana Ulanova⁴, Hirotoshi Endo⁵ (1.Marine Core Research Institute, Kochi University, 2.Biogeochemistry Research Center, Japan Agency for Marine-Earth Science and Technology (JAMSTEC), 3.Institute for Extra-cutting-edge Science and Technology Avant-garde Research, Japan Agency for Marine-Earth Science and Technology (JAMSTEC), 4.Faculty of Agriculture and Marine Science, Kochi University, 5.National Institute of Technology, Tsuruoka College)

*Yoshiyuki Ishitani¹, Caterina Ciacci², Yurika Ujiie³, Hidetaka Nomaki¹, Fabrizio Frontalini² (1.Japan Agency for Marine-Earth Science and Technology, 2.University of Urbino, 3.Kochi University)

*Hidetaka Nomaki¹, Chong Chen¹, Yoshiyuki Ishitani¹, Julien Richirt¹, Masashi Tsuchiya¹, Okada Satoshi¹, Momo S Yamashita³, Koji Seike², Andrew J Gooday⁴ (1.JAMSTEC, 2.AIST, 3.NMNS, 4.National Oceanography Centre)