Research theme for competitive and other funds (5)：
2018 - 2023 A large-scale experiment for retention forestry to develop ecologically sustainable forest management
2013 - 2018 Evaluating ecosystem services from retention forestry in planted forests from a large-scale experiment
2009 - 2011 Biodiversity-ecosystem function relationships in gall-forming insects
2007 - 2009 カラマツ林の食葉性昆虫の多様性とパフォーマンスを決定する生態学的プロセス
2007 - 2009 Community level invasional meltdown in exotic tree plantation
Papers (80)：
Kenichi Ozaki, Nobuhiro Akashi, Kazuhiro Kawamura, Keisuke Obase, Akira Ueda, Akira Unno, Satoshi Yamanaka, Yuichi Yamaura. Retention forestry in plantations: Synthesizing key findings of early studies from a long-term experiment in northern Japan. Forest Ecology and Management. 2024. 562. 121929-121929
Satoshi Yamanaka, Yuichi Yamaura, Kenichi Ozaki. Examining the bias of pitfall traps with enclosure experiments and removal sampling. Insect Conservation and Diversity. 2023
Toshiyuki Tsushima, Ichiro Watanabe, Nobuhiro Akashi, Kenichi Ozaki. Productivity and Cost of Retention Harvesting Operation in Conifer Plantations. Forests. 2023. 14. 2
Keisuke Obase, Satoshi Yamanaka, Takashi Yamanaka, Kenichi Ozaki. Short-term effects of retention forestry on the diversity of root-associated ectomycorrhizal fungi in Sakhalin fir plantations, Hokkaido, Japan. Forest Ecology and Management. 2022. 523. 120501-120501
Satoshi Yamanaka, Yuichi Yamaura, Katsuhiko Sayama, Shigeho Sato, Kenichi Ozaki. Effects of dispersed broadleaved and aggregated conifer tree retention on ground beetles in conifer plantations. Forest Ecology and Management. 2021. 489. 119073-119073
小長谷啓介, 山中聡, 山中高史, 尾崎研一. Effects of retention forestry on the diversity of ectomycorrhizal fungi-evaluation after four-years of forest management. 日本菌学会大会講演要旨集. 2021. 65th
尾崎研一, 上田明良, 徳田佐和子, 和田尚之, 北島博. First report of Platypus quercivorus in Hokkaido and its possible influence, management and issue. 森林防疫. 2021. 70. 5
The preferences of saproxylic beetles for retained trees in the experiment of retention forestry
(The Japanese Forest Society Congress 2022)
Estimation of capture efficiency of pitfall traps and the abundance of ground beetles
(The Japanese Forest Society Congress 2021)
Does retention forestry maintain diversity of ectomycorrhizal fungi ?
(The Japanese Forest Society Congress 2020)
Species composition of flower-flies of Todo fir plantation and secondary birch forest in Hokkaido
(The Japanese Forest Society Congress 2019)
Soil propagules of ectomycorrhizal fungi on artificial stands of <i>Abies sachalinensis</i> after logging of mature trees
(The Japanese Forest Society Congress 2019)
