JpGU-AGU Joint Meeting 2026

Session information

[J] Poster

A (Atmospheric and Hydrospheric Sciences ) » A-OS Ocean Sciences & Ocean Environment

[A-OS26] Coastal Ecosystems: Land-to-Ocean Biogeochemical Cycles and their Ecosystem Functions

Tue. May 26, 2026 5:15 PM - 7:00 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

Coastal marine ecosystems are complex open systems interacting with surrounding watersheds, outer ocean, and the atmosphere, providing a wealth of various ecosystem services to human life. Simultaneously, they are also influenced strongly and often negatively by human activities. Despite occupying relatively small areas, these ecosystems exhibit remarkably high biological productivity and biodiversity, and they provide a wide range of ecosystem services. Building on the fundamental processes of biogeochemical cycles linking land and ocean through rivers, groundwater, and coastal hydrodynamics, this session addresses the structure and functioning of diverse ecosystems such as lakes, rivers, wetlands, estuaries, tidal flats, seagrass and macroalgal beds, mangroves, and coral reefs. Particularly, ecosystem connectivity, linkages among biological communities, resilience and recovery processes, responses to environmental change, and ecosystem services will be discussed. By bringing together researchers from ecology, geochemistry, environmental engineering, and related fields, the session aims to promote interdisciplinary discussions that advance our understanding of aquatic productivity systems from terrestrial to coastal zones, and to develop an integrated perspective on how climate change and human activities influence aquatic ecosystems. This session further seeks to promote knowledge exchange that will contribute to the development and social implementation of sustainable management, conservation, and restoration strategies. We welcome contributions based on theoretical studies, laboratory experiments, field observations, remote sensing, and numerical modeling, covering a broad spectrum of topics including biogeochemical cycling and ecosystem functions, community connectivity, spatiotemporal dynamics of water and material flows, biodiversity conservation, and fisheries resource sustainability.

5:15 PM - 7:00 PM

*Tomohiro Komorita1, Ryo Sugimoto2, Saho Kitatsuji3, Ryoko Yano3, Kazuo Abe3, Tatsuya Ozaki1, Rikuto Honda1, Yuuka Toya1, Risa Hayashi1, Tomoki Tanaka1, Futaba Nakamura1, Mutsuo Ichinomiya1, Katsumasa Yamada5, Kenji Yoshino4, Koichi Sugimatsu3 (1. Faculty of Environmental and Symbiotic Sciences, Prefectural University of Kumamoto, 2. Fukui Prefectural University, 3. Japan Fisheries Research and Education Agency, 4Kumamoto University, 4. National Institute for Minamata Disease, 5. Kumamoto University)

5:15 PM - 7:00 PM

*Toshimi Nakajima1, Eiji Masunaga2, Anne Takahashi1, Takashi Murakami1, Shigeyoshi Otosaka1, Naoki Furuichi3, Ryo Sugimoto4, Yu Umezawa5, Sachihiko Itoh1 (1. Atmosphere and Ocean Research Institute, The University of Tokyo, 2. Ibaraki University, 3. Fisheries Technology Institute, Japan Fisheries Research and Education Agency, 4. Fukui Prefectural University, 5. Tokyo University of Agriculture and Technology)

5:15 PM - 7:00 PM

*Tomihiko Higuchi1, Tomohiro Komorita2, Ryo Sugimoto3, Kenji Tsuchiya4, Takashi Nakamura5, Kenta Watanabe6 (1. Graduate School of Agriculture, Ehime University, 2. Faculty of Environmental and Symviotic Sciences, Prefectual University of Kumamoto, 3. Faculty of Marine Biosciences, Fukui Prefectual University, 4. National Institute for Environmental Studies, 5. School of Environmental and Society, Institute of Science Tokyo, 6. Port and Airport Research Institute)

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