Japan Geoscience Union Meeting 2021

Session information

[J] Oral

M (Multidisciplinary and Interdisciplinary) » M-IS Intersection

[M-IS21] Chemosynthetic community and mud volcano: biology, geochemistry, and geophysics of fluid discharge

Thu. Jun 3, 2021 10:45 AM - 12:15 PM Ch.25 (Zoom Room 25)

convener:Yusuke Miyajima(Geomicrobiology Research Group, Research Institute for Geo-Resources and Environment, Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology), Kayama Hiromi WATANABE(Japan Agency for Marine-Earth Science and Technology), Akira Ijiri(Japan Agency for Marine-Earth Science and Technology), Tomohiro Toki(Faculty of Science, University of the Ryukyus), Chairperson:Yusuke Miyajima(Geomicrobiology Research Group, Research Institute for Geo-Resources and Environment, Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology), Hiromi Kayama WATANABE(Japan Agency for Marine-Earth Science and Technology)

Fluid discharge at mud volcanoes, cold seeps, and hydrothermal vents brings subsurface materials to the Earth's surface. Unique chemosynthesis-based ecosystems are fueled by the substances provided by discharged fluids, and have played a role in the evolution and diversification of life. Knowing fluid geochemistry, driving forces, and geological background of fluid discharge provides key to understand the distribution and evolution of chemosynthetic ecosystems. Multidisciplinary studies from viewpoints of geology, biology, geochemistry, and geophysics are essential to reveal the relationship between fluid discharge and material cycling, environmental changes, and natural hazards, in addition to elucidate spatio-temporal variation of chemosynthesis-based ecosystems. This session welcomes talks and posters focusing on organisms and geological phenomena related to mud volcanoes, cold seeps, hydrothermal vents, and other similar environments. We aim to understand interactions between geosphere, biosphere, and human both on land and in ocean through Earth history.

11:15 AM - 11:30 AM

*Yusuke Miyajima1, Hideyoshi Yoshioka1, Tomo Aoyagi2, Tomoyuki Hori2, Hiroshi A Takahashi3, Masahiro Suzumura2 (1.Geomicrobiology Research Group, Research Institute for Geo-Resources and Environment, Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology, 2.Environmental Management Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Japan, 3.Research Institute of Earthquake and Volcano Geology, Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology (AIST), Japan)

11:45 AM - 12:00 PM

*Yi YANG1,2, Jin SUN1,3, Chong CHEN4, Yadong ZHOU5, Cindy Lee Van Dover6, Chunsheng WANG5,7, Jian-Wen QIU2,8, Pei-Yuan QIAN1,2 (1.Department of Ocean Science and Hong Kong Branch of the Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), The Hong Kong University of Science and Technology, Hong Kong, China, 2.Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, China, 3.Institute of Evolution & Marine Biodiversity, Ocean University of China, Qingdao 266003, China, 4.X-STAR, Japan Agency for Marine-Earth Science and Technology (JAMSTEC), 2-15 Natsushima-cho, Yokosuka, Kanagawa 237-0061, Japan, 5.Laboratory of Marine Ecosystem and Biogeochemistry, Second Institute of Oceanography, State Oceanic Administration, Hangzhou, China, 6.Division of Marine Science and Conservation, Nicholas School of the Environment, Duke University, Beaufort, NC, United States, 7.State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, State Oceanic Administration, Hangzhou, China, 8.Department of Biology, Hong Kong Baptist University, Hong Kong, China)

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