2018 - 2021 The effects of promoting utilization of logging residue biomass on the nutrients cycling in forest ecosystems.
2019 - 2020 世界自然遺産候補地奄美群島の森林生態系に関する基礎的研究
2019 - 2020 Predicting effects of climate change on ecosystem services
2016 - 2020 Development of estimation method for evaluating N transfer from ectomycorrhizal fungi to host trees based on the fractionation of N stable isotope
2018 - 2019 世界自然遺産候補地奄美群島の森林生態系に関する基礎的研究
2016 - 2019 Innovative tree breeding focusing on plasticity of photosynthetic traits
2017 - 2018 世界自然遺産候補地奄美群島の森林生態系に関する基礎的研究
2016 - 2017 世界自然遺産候補地奄美群島の森林生態系に関する基礎的研究
2014 - 2017 The effect of clear-cutting using forestry machinery on dynamics of soil nitrogen and microbial community
2015 - 2016 世界自然遺産屋久島と候補地奄美群島の森林生態系に関する基礎的研究
2013 - 2016 Srudy on hot monent inducing the abrupt change of ecosystem nitrogen cycle under climate change
2013 - 2016 Estimation of main fungal decay of softwoods in Japan by near infrared spectroscopy
2013 - 2016 Clarification of adaptive mechanism of tropical tree species t soil environment
2010 - 2011 Development of a new method for estimating fine root biomass from the quantity of DNA of target plant
2004 - 2004 酸性雨, 侵入病害等による森林衰退現象と共生菌群集の多様性との関係の解明
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Papers (61)：
Kozai N, Higuchi H, Ogata T, Kondo T, Ugawa S, Yonemoto Y. Effects of paclobutrazol application and soil mulching on flower induction and physiological conditions in durian trees (Durio zibethinus Murr.). Japan Agricultural Research Quarterly. 2024. (in press)
Ugawa Shin, Fujisawa Yoshitake, Otsuka Jiro, Kondo Teiji, Ubukata Masatoshi. Size of Chinese Fir (Cunninghamia lanceolate) Seedling with Mainstems Fed by Japanese Hare (Lepus brachyurus). Journal of the Japanese Forest Society. 2023. 105. 7. 239-244
Kawanishi Ayumi, Ishizuka Shigehiro, Sakai Yoshimi, Aizawa Syuhei, Hirai Keizo, Inatomi Motoko, Osone Yoko, Nanko Kazuki, Ugawa Shin, Inventory WG member. Carbon stocks of dead wood differ between natural and planted forests. The Japanese Forest Society Congress. 2023. 134. 482
Hironori Toyama, Shuichiro Tagane, Shin ichiro Aiba, Shin Ugawa, Eizi Suzuki, Kaito Yamazaki, Kengo Fuse, Atsushi Takashima, Taku Kadoya, Yayoi Takeuchi. High plant diversity and characteristic plant community structure in broad-leaved evergreen forests on Amami-Oshima and Tokunoshima Islands, Japan's newest natural World Heritage Site. Ecological Research. 2023. 38. 3. 403-419
V. R. Kubota, R. Linares-Palomino, T. Gregory, H. Silva, L. Lombardo, R. Caballero, A. Mendoza, S. Ugawa. ASSESSMENT OF STAND CHARACTERISTICS AND SOIL OF UPPER PARANA ATLANTIC FORESTS (PARAGUAY) REVEALS HIGH HABITAT HETEROGENEITY. Journal of Tropical Forest Science. 2023. 35. 3. 283-298
