Japan Geoscience Union Meeting 2023

Session information

[E] Oral

B (Biogeosciences ) » B-BC Biogeochemistry

[B-BC02] Methane in terrestrial and aquatic ecosystems: from microbes to the atmosphere

Fri. May 26, 2023 3:30 PM - 4:45 PM 103 (International Conference Hall, Makuhari Messe)

convener:Daniel EPRON(Kyoto University), Susumu Asakawa(Nagoya University), Prabir Patra(Research Institute for Global Change, JAMSTEC), Ayaka Sakabe(Kyoto University), Chairperson:Daniel EPRON(Kyoto University)

Methane is an important anthropogenic greenhouse gas. The rise of atmospheric CH4 concentration has accelerated these last 10 years, challenging our ability to meet the goal of the Paris agreement to limit climate warming to less than 2 degrees, and leading to the launch of the Global Methane Pledge during the COP26 in 2021. There is still a large gap between bottom-up and top-down estimates of the global CH4 budget, with natural emissions being recognized as the greatest source of uncertainty: clarifying the role of terrestrial ecosystems in its balance is essential for understanding and predicting global warming.
The purpose of the session is to bring together scientists working on methanogenic and methanotrophic microorganisms and communities, measuring methane fluxes from soil, vegetation and at the ecosystem scale, and modelling the methane transport and methane budget at different spatial scales to enhance our understanding of methane sources and sinks, and their responses to changing environmental conditions, in terrestrial and aquatic ecosystems, including but not limited to forests, grasslands, wetlands, freshwater bodies, mangroves and other coastal areas and agricultural lands.

3:45 PM - 4:00 PM

*Salla A. M. Tenhovirta1,2, Lukas Kohl1,2,3, Markku Koskinen1,2, Tatu Polvinen1,2, Mari Pihlatie1,2,4 (1.Environmental Soil Science, Department of Agricultural Sciences, University of Helsinki, Finland, 2.Institute for Atmospheric and Earth System Research / Forest Sciences, University of Helsinki, Finland, 3.Department of Environmental and Biological Sciences, University of Eastern Finland, Kuopio, Finland, 4.Viikki Plant Science Centre (ViPS), University of Helsinki, Finland)

4:15 PM - 4:30 PM

*Masayuki Itoh1, Yuki Kobayashi2, Milette U Mendoza3, Takeshi Tokida4, Ayaka Sakabe5, Megumu Fujibayashi6, Manabu Fukui7, Noboru Okuda8, Fuh-Kwo Shiah9 (1.University of Hyogo, 2.Yamaguchi University, 3.Ateneo de Manila University, 4.NARO, 5.Kyoto University, 6.Kyusyu University, 7.Hokkaido University, 8.Kobe UniveKobe , 9.Academia Sinica)

4:30 PM - 4:45 PM

*Caroline Plain1, Nicolas bras2,1, Charlotte Boumans1, Alan Pierre1, Thomas Z Lerch3, Daniel Epron1,4 (1.Universite de Lorraine, AgroParisTech, INRAE, UMR Silva, F-54000 Nancy, 2.Universite de Lorraine, INRAE, LAE, F-54000 Nancy, 3.IEES Paris, CNRS, INRAE, IRD, Sorbonne Université, Université Paris Cité, UPEC, F94010 Créteil, 4.Laboratory of Forest Hydrology (S482) Graduate School of Agriculture Kyoto University Kyoto, 606-8502, Japan)

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