[A-CG54] 陸域生態系の物質循環

2026年5月26日(火) 09:00 〜 10:30 102 (幕張メッセ国際会議場)

座長:寺本宗正(鳥取大学国際乾燥地研究教育機構乾燥地研究センター)

Terrestrial ecosystem influences global climate through cycles of water, carbon, and nitrogen between the land surface and the atmosphere. For a better understanding of those behaviors, a great effort has been made to develop a variety of approaches and techniques such as biometric surveys, eddy and chamber methods, near and satellite remote sensing, biosphere modeling, and so on. In particular, JapanFlux, founded in 2006 as a research network of CO2, H2O, and other trace gas flux measurements, has promoted multidisciplinary studies not only for the flux measurement community but also for remote sensing and biosphere modeling communities. This session unites those multidisciplinary activities and promotes oral and poster presentations on the role of the terrestrial ecosystem in material circulations of water, carbon, nitrogen, energy, and other substances by any approaches and techniques. This session takes over the former session from last year.

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09:00 〜 09:15

[ACG54-01] Long-term Trends in ground-based Vegetation Indices and their relationship to climate and GPP in a Japanese Larch Forest

*Da-Jun Chu¹, Tomomichi Kato², Tomoko Kawaguchi Akitsu³, Kenlo Nishida Nasahara⁴, Tomoki Morozumi⁵, Yoshiyuki Takahashi⁵ (1. Graduate School of Global Food Resources, Hokkaido University, 2. Research Faculty of Agriculture, Hokkaido University, 3. Earth Observation Research Center, Japan Aerospace Exploration Agency, 4. Institute of Life and Environmental Sciences, University of Tsukuba, 5. Earth System Division, National Institute for Environmental Studies)

09:15 〜 09:30

[ACG54-02] 富士北麓の落葉・針葉樹林群落上における大気水銀濃度変動要因

*武内章記¹、高橋善幸¹ (1. 国立研究開発法人国立環境研究所)

09:30 〜 09:45

[ACG54-03] A Large Assessment of Wavelet-Based Conditional Sampling for Partitioning Ecosystem Respiration and Photosynthesis: Advancing Empirical Flux Partitioning Across Diverse Ecosystems

*Pedro Henrique Herig Coimbra¹, Benjamin Loubet¹, Dario Papale², Giacomo Nicolini² (1. Institut National de Recherche pour l Agriculture, l Alimentation et l Environnement, 2. University of Tuscia)

09:45 〜 10:00

[ACG54-04] Seasonal Trade-offs and Diurnal Patterns of GHG Emissions under Rice Straw Management using a Multichannel Automated Chamber System in Subtropical Paddy Soils

*Chuan Fu Kao¹, Shan Li Wang¹ (1. National Taiwan University )

10:00 〜 10:15

[ACG54-05] Seasonal below- and aboveground microbial C and N cycling and GHG fluxes in Congo Basin peatland forests and savannas

*Mikk Espenberg¹, Si Chen¹, Laura Kuusemets¹, Jaan Pärn¹, Kaido Soosaar¹, Ulrich Gaël Bouka Dipelet², Sydney Thony Ndolo Ebika², Joël J. Loumeto², Ülo Mander¹ (1. University of Tartu, 2. Marien Ngouabi University)

10:15 〜 10:30

[ACG54-06] Soil carbon and greenhouse gas dynamics under changing soil water environments

*永野博彦¹、Wang Ruixin¹、鈴木優里¹、Zahra Noreen¹ (1. 新潟大学)

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