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EAFES Symposium ES10 -- 21 March 9:00-12:00 Room D

Exchanges of various gas components between the atmosphere and terrestrial ecosystems

Organizer: Yoshiyuki TAKAHASHI (NIES, Japan)

Soil and plant in terrestrial biosphere exchange various gaseous components, including greenhouse gases, nitrogen compounds, and reactive substances, with atmosphere. Those components have direct and indirect influence on climate system and on biological activities. The exchange fluxes of those components are likely affected by variation of environmental factors and by anthropogenic disturbances. Accumulation of observational data is important to predict the future change in the exchange fluxes. Recently, technical development in analytical devices is leading to rapid progress in field measurements of various gas components. In this symposium, we will discuss recent progress and current issues of the observational studies in East Asia, and also discuss regional networking of the studies.

[ES10-1] Biogeochemical process network in a rice paddy Juyeol YUN, '*'Joon KIM (SNU, Korea)

[ES10-2] A consideration about H2, CH4, and CO uptake by soil and N2O and NO production in soil Seiichiro YONEMURA (NIEAES, Japan)

[ES10-3] Factors affecting isoprene and monoterpene fluxes measured above Japanese forests Akira TANI (Univ. of Shizuoka, Japan)

[ES10-4] Laser spectroscopy in field studies: Recent technological advances and application examples '*'Kenshi TAKAHASHI, Yoshiko KOSUGI (Kyoto Univ., Japan)

[ES10-5] Early Nitrogen Deposition Effects on CO2 Efflux from a Cold-temperate Coniferous Forest Soil Hua-Jun FANG (IGSNRR-CAS, China)

[ES10-6] Characteristic of soil respiration in various ecosystems in Korean cool-temperate region Jaeseok LEE (Konkuk Univ., Korea)

[ES10-7] Evaluation of the Effect of Five Years soil Warming on Soil CO2 efflux in Red Pine Forest Ecosystems Seiichiro GOTO (NIES, Japan)