Yasuhiro Koyama

Affiliation and department：
Homepage URL (1)： http://www.pref.nagano.lg.jp/ringyosogo/index.html

Research field (2)： Local studies , Forest science

Research keywords (3)：森林管理 , 林木育種 , 造林

Research theme for competitive and other funds (7)：

2019 - 2024 景観スケールにおける亜高山帯針葉樹林の更新に及ぼす風倒撹乱と獣害の相互作用的影響
2015 - 2018 How had grasslands turned out to woodlands in Satoyama landscapes? ;pursuing its process for getting better management methods for working landscapes.
2013 - 2016 Effects of habitat fragmentation on genetic diversity and reproduction in Fagus crenata populations
2010 - 2012 森林被害跡地の健全化に向けた誘導技術の解明
2009 - 2012 Study on understanding of disturbance regime and mechanisms of tree species coexistence for sub-boreal and sub-alpine evergreen coniferous forests.

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Papers (174)：

Hiraoka Yuichiro, Nishimura Naoyuki, Koyama Yasuhiro, Okada Mitsuhiro, Yanagisawa Kenichi, Suzuki Satoshi N., Borjigin Shinchilelt. Effects of Sika Deer on Sub-alpine Coniferous Forest Dynamics in Northern Yatsugatake Based on a 20-Year Investigation. Journal of the Japanese Forest Society. 2023. 105. 6. 216-224
Oya Shinjiro, Nihonmatsu Yuta, Koyama Yasuhiro. Effect of initial planting size of Japanese larch on the number of weeding. The Japanese Forest Society Congress. 2023. 134. 341
Chamaecyparis pisifera pollard may have been created by Ariake Kosha. 2022. 19. 3-10
小山泰弘, 柳澤賢一, 鈴木智之, SHINCHILET Borjigin, 西村尚之. Relationship between behavior of Japanese deer and tree damage in the subalpine coniferous forest of Kita-Yatsugatake, Japan. 長野県植物研究会誌. 2022. 55
小山泰弘, 市原満. Productivity of tree planting machine for containerized seedling. 中部森林研究. 2022. 70

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MISC (103)：

柳澤賢一, 小山泰弘. Top end dieback of middle-aged Cryptomeria japonica forest in Nagano Prefecture. 森林防疫. 2023. 72. 2. 21-29
小山泰弘. センサーカメラで亜高山帯のニホンジカを追う. 長野県林業総合センター技術情報. 2023. 169
小山泰弘. 長野県における獣害防除のとりくみ. 林業と薬剤. 2023. 244
小山泰弘. 近年のカラマツ林業等研究会の活動からみた森林・林業の動向. 長野県林業総合センター技術情報. 2023. 170
小山泰弘. 森林科学の専門教育と専門的人材の育成をめぐる現状と課題地域の森林を支える「長野県林業士」の育成. 森林技術. 2023. 979

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Books (13)：

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Lectures and oral presentations (111)：

Realize safe forestry, do not neglect the basic knowledge
(The Japanese Forest Society Congress 2021)
Characteristics and productivities of site preparation machines
(中部森林研究 2020)
Training successors of forestry in Nagano Pref.
(The Japanese Forest Society Congress 2020)
Teaching effectivevess of chain saw sharpening
(2019)
Productivity of pre-yarding with grapple loader
(2019)

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Education (1)：

Professional career (1)：

Committee career (5)：

Association Membership(s) (4)：

THE JAPANESE SOCIETY OF ENVIRONMENTAL EDUCATION , 植生学会 , 日本生態学会 , 日本森林学会

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