[M-IS27] Interactions of Geosphere-Hydrosphere-Biosphere and Deep-sea Methane Environments

[MIS27-P05] Assessing near-seafloor methane dynamics in shallow methane hydrate areas based on microbial activity and distribution

*Yusuke Miyajima^1,6, Tomo Aoyagi^2,6, Hideyoshi Yoshioka¹, Tomoyuki Hori², Hiroshi A Takahashi³, Minako Tanaka⁴, Ayumi Tsukasaki², Shusaku Goto¹, Masahiro Suzumura^2,5 (1. Research Institute for Geo-Resources and Environment, Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology (AIST), 2. Environmental Management Research Institute, Department of Energy and Environment, National Institute of Advanced Industrial Science and Technology (AIST), 3. Research Institute of Earthquake and Volcano Geology, Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology (AIST), 4. KANSO TECHNOS CO., LTD., 5. AIST Solutions Co., 6. These authors contributed equally to this work.)

Keywords:Gas Hydrate, Marine sediment, Methane oxidation, Lipid, 16S rRNA, Stable isotope probing