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鵜川　信（ウガワ　シン）[准教授]

就任年月2012年8月1日
学位博士（環境学）
所属学会日本森林学会、日本生態学会、日本土壌肥料学会、日本熱帯生態学会、森林立地学会
専門分野育林学、森林生態学
研究テーマコウヨウザンの造林技術の開発
スギ苗の初期成長促進技術の開発
窒素安定同位体を用いた樹木の養分吸収プロセスの解明
熱帯雨林における多種共存メカニズムの解明
亜熱帯島嶼域における森林成立機構の解明
日本の森林における土壌炭素蓄積量の推定
亜高山帯針葉樹林における細根動態の関係解明
マツ材線虫病被害にともなう群落動態の理解
キーワード早生樹、低コスト造林、同位体分別、窒素動態、種多様性、土壌炭素蓄積量、細根動態

最近の論文

  • Ugawa S, Inagaki Y, Fukuzawa K, Tateno R (2020) Effects of soil compaction by a forestry machine and slash dispersal on soil N mineralization in Cryptomeria japonica plantations under high precipitation. New Forests 51: 887-907.
  • Tateno R, Nakayama M, Yano M, Fukuzawa K, Inagaki Y, Koba K, Ugawa S (2020) Nitrogen source utilization in co‑existing canopy tree and dwarf bamboo in a northern hardwood forest in Japan. Trees 34: 1047-1057.
  • Enoki T, Takagi M, Ugawa S, Nabeshima E, Ishii H (2020) Regional and topographic growth variation among 45-year-old clonal plantations of Cryptomeria japonica: effects of genotype and phenotypic plasticity. Journal of Forest Research 25: 329-338.
  • Aiba SI, Kira Y, Araki K, Imamura F, Ishinuki T, Nagata T, Shimonishi S, Ugawa S, Wakiyama S, Yamada T, Yoneda T, Suzuki E (2020) Latitudinal and altitudinal variations across temperate to subtropical forests from southern Kyushu to the northern Ryukyu Archipelago, Japan. Journal of Forest Research 26: 171-180.
  • Fukuzawa K, Tateno R, Ugawa S, Watanabe T, Hosokawa N, Imada S, Shibata H (2021) Timing of forest ine root production advances with reduced snow cover in northern Japan: implications for climate-induced change in understory and overstory competition. Oecologia 196: 263-273.
  • Ugawa S, Hashimoto S, Hashida K, Tobita H, Kitao M (2021) Composition of organic carbon-based compounds in the stem wood of Quercus mongolica seedlings grown under elevated CO2 and/or O3 concentrations. Frontiers in Forests and Global Change 4: 768953.
  • Yamashita N, Ishizuka S, Hashimoto S, Ugawa S, Nanko K, Osone Y, Iwahashi J, Sakai Y, Inatomi M, Kawanishi A, Morisada K, Tanaka N, Aizawa S, Imaya A, Takahashi M, Kaneko S, Miura S, Hirai K (2022) National-scale 3D mapping of soil organic carbon in Japanese forest considering microtopography and tephra deposition. Geoderma 406: 115534.
  • Orrego M, Ugawa S, Inoue A, Laplace S, Kume T, Koga S, Hishi T and Enoki T (2022) Climate, soil, and plant controls on early-stage litter decomposition in Moso Bamboo stands at a regional scale. Frontiers in Forests and Global Change 5: 921028.
  • Ugawa S, Kuninaka W, Hayata K, Maruta N, Ohashi S, Kubota VR, Ahmad R, Wan Rasidah Kadir (2022) Relationship between root tip morphology and growth conditions across Macaranga and Shorea species in a tropical lowland forest of Peninsula Malaysia. Plant and Soil.

安田　悠子（ヤスダ　ユウコ）[助教]

就任年月2023年4月1日
学位博士（農学）
所属学会日本木材学会
専門分野木材科学、木材解剖学、植物生理生態学、材質育種
研究テーマ被陰環境での樹形変化と年輪形成との関係についての組織生理学的研究
ブナの樹幹の通水構造・通水機能の地理的変異に関する研究
二次林内で生育する広葉樹種の不連続輪の発生機構の解明
スギの木材密度の改良に向けた材質育種に関する研究および画像解析ソフトを用いた木材密度関連形質の評価技術の開発
キーワード生育環境、地理的変異、樹形、年輪、材質、水利用様式、道管配列

最近の論文

  • Yuko Yasuda, Taiichi Iki, Yuya Takashima, Makoto Takahashi, Yuichiro Hiraoka, Kentaro Mishima (2024) Inheritance of growth ring components and the possibility of early selection for higher wood density in Japanese cedar (Cryptomeria japonica D. Don). Annals of Forest Science 81(1) 
  • Yan Xiang, Akira Kagawa, Satoshi Nagai, Yuko Yasuda, Yasuhiro Utsumi (2023) The difference of functional water flow network between the stem and current-year root cross-sectional surfaces in Salix gracilistyla stem xylem. Tree Physiology
  • Eiko M. Uchida, Ayumi Katayama, Yuko Yasuda, Tsutomu Enoki, Kyoichi Otsuki, Shinya Koga, Yasuhiro Utsumi (2022) Age-Related Changes in Culm Respiration of Phyllostachys pubescens Culms With Their Anatomical and Morphological Traits. Frontiers in Forests and Global Change 5
  • Naoki Takata, Taku Tsuyama, Soichiro Nagano, Kei’ichi Baba, Yuko Yasuda, Shingo Sakamoto, Nobutaka Mitsuda, Toru Taniguchi (2021) Prior secondary cell wall formation is required for gelatinous layer deposition and posture control in gravi‐stimulated aspen. The Plant Journal
  • Yuko Yasuda, Taiichi Iki, Yuya Takashima, Makoto Takahashi, Yuichiro Hiraoka, Kentaro Mishima (2021) Genetic gains in wood property can be achieved by indirect selection and nondestructive measurements in full-sib families of Japanese cedar (Cryptomeria japonica. D. Don) plus tree clones.  Annals of Forest Science 78(50) 
  • Masaaki Chiwa, Yasuhiro Utsumi, Naoaki Tashiro, Yuko Yasuda, Ken’ichi Shinozuka, Yang Ru, Nao Nagano, Shusuke Murata, Takuma Nakamura, Kohei Yamauchi, Yuji Kabemura, Tatsuro Ando, Hiroshi Sawamura (2021) Nutrients exported from upland stream water enlarge perennial biomass crops. Scientific reports 11(1)
  • Yasuda, Y, Utsumi, Y, Enoki, T, Koga, S (2018) High frequency of discontinuous rings in evergreen and deciduous hardwood species in a temperate forest. Forest Ecology and Management 430: 526-532