Research field (4)：
Ecology and environmental science
, Environmental policy and society
, Environmental impact assessment
, Environmental dynamics
Research keywords (4)：
物質循環
, 生物地球化学
, Material Cycling
, Biogeochemistry
Research theme for competitive and other funds (24)：
2017 - 2020 Study on the mechanism controlling dissolved organic matters and nitrate concentrations in forested watersheds
2014 - 2017 Studies of regional development strategies based on agricultural- and fishery- production systems through ecological connectivity from forests to oceans
2013 - 2016 Evaluation of the effect of grazing by Sika deer on forest vegetation and forest management
2012 - 2015 Nitrogen absorption in forested ecosystem is not always recovered by exclusion of feeding pressure of Japanese sika deer.
2009 - 2012 Dynamics of dissolved organic matter in the forest soil-stream system
2004 - 2007 Interdisciplinary Study on Harmonious Society for Global Environmental Issues -A Theoretical Approach to Environmental Consciousness Research
2003 - 2005 Development of a evaluation method of environmental effect on a forested ecosystem using a biogeochemical model based on stream-water hydrochemical processes
2001 - 2003 The effect of forest, wet land and pasture land on the solute dynamics in terrestrial to lake ecosystem.
2002 - 2002 陸域生態系の地球環境変化に対する応答の成果とりまとめ
2000 - 2002 Response of Mongol-Selenge River-L.Baikal watershed to the global environmental changes.
1999 - 2001 陸水系における物質循環からみた陸域生態系の応答
2001 - 流域環境の質と環境意識の関係解明
2001 - Interaction between environmental quality of the watershed and environmental consciousness
1999 - 2000 Study on the relationship between light intensities in water and photo-degradation of dissolved organic matter.
1998 - 1999 Characterization of dissolved organic matter using chemical, isotopic and optical properties
1997 - 1999 Response of land ecosystem to global environmental changes
1996 - 1997 Highly sensitive analysis of geochemical cycles of nitrous oxide and methane through isotope tracers
1994 - 1996 Assembling a system for measuring biological activity of micro-level particle in heterogenous system
1994 - 1994 バイカル湖・集水域生態系における生物・化学過程と物理輸送
1993 - 1994 ROLE OF MICROBIAL LOOP IN AQUATIC CARBON AND NITROGEN CYCLES
1992 - 1993 Rapid and Sensitive Microanalyzes of ^<13>C and ^<15>N tracers.
Studies on Carbon and Nitrogen Cycles in Terrestrial Ecosystem
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Papers (136)：
Kenta MATSUSHIMA, Yousuke TAJIMA, Takahito YOSHIOKA. STUDY ON THE POSSIBILITY OF INTRODUCING WOODY BIOMASS FUEL UTILIZATION SYSTEM IN DISCRETE VILLAGE. Journal of Japan Society of Civil Engineers, Ser. G (Environmental Research). 2022. 78. 2. 81-86
MATSUYAMA, Shuhei, FUKUSHIMA, Keitaro, SHIRASAWA, Hiroaki, MUKAI, Masahiro, HIRAI, Takeshi, SAKAI, Shinjiro, ISHIHARA IWAMOTO, Masae, IWAI, Yuka, YAGI, Yayoi, GU, Xin, et al. <Appendix for vol.79>Table 1: DBH of Cryptomeria japonica (CJ) and Chamaecyparis obtuse (CO) in cedar plantation Miyanomori in November 2011, April 2013, November 2013, and November 2014. (Direct and indirect effects of thinning and deer exclosure on stem growth in Cryptomeria japonica -a case in Japanese cedar plantation with delayed thinning in Ahiu-). Forest research, Kyoto. 2018. 80. 95-129
