Koike Takayoshi | Researcher Information

Fiedl Science center for Northern Biosphere volunteer in FACE

2019 - 2022 Ozone pollution in megacity environment:monitorng, analysis of effect, solution
2016 - 2018 Analysis of BVOV emission of white birch and grazing traits by insect herbivore under elevated ozone
2015 - 2018 Establishment of ozone risk assessment model for leaf CO2 assimilation of woody plant
2014 - 2017 Effect of high nitrogen loading on growth of cool temperate trees raised under free-air O3 exposure
2014 - 2017 Mixed effects of climate change and genetic diversity within a tree species on ecological process in northern forests

2014 - 2016 Combination Effect of elevated O3 and CO2 on growth of larch species and species diversity of ectomycorrhizae

2011 - 2016 Basic study on international risk assessment of tree wilt vectored by ambrosia beetles

2009 - 2016 Comprehensive studies of plant responses to high CO2 world by an innovative consortium of ecologists and molecular biologists

2014 - 2016 開放系オゾン付加施設で生育する冷温帯樹種の成長に及ぼす窒素沈着の影響解明と応用

2012 - 2015 Effects of changes in atmospheric environment on the mitigation capacity for global warming of hybrid larch F1

2011 - 2015 The influence of forest fire disturbunce for the water,heat, carbon and mineral flux in north east China

2011 - 2014 Combination effects of elevated O3 and CO2 on growth and hydraulic function of representative trees

2009 - 2014 Parameterization of photosynthesis and xylem formation of woody plants grown under FACE

2012 - 2013 開放系施設を用いたO3とCO2付加が主要樹種の成長と気孔通道性に及す影響解明

2012 - 2013 開放系大気CO2増加環境での樹木等の光合成と木部生産機能のパラメータ化

2010 - 2012 Comprehensive search of adaptive genes relating to phenology in the Japanese oak

2008 - 2011 Complete understanding of the nitrogen missing link in boreal forest ecosystems and evaluation of nitrogen provision and loss

2008 - 2010 Carbon allocation of deciduous trees infected with microbes in soils and the soil respiration under a free air CO2 enrichment and soil fertility

2007 - 2009 Search for adaptive changes in genes affecting phenology of the Japanese oak

2006 - 2007 開放系二酸化炭素増加処理をした落葉広葉樹の被食防衛物質の局在性の解明

2005 - 2007 Prediction of the change and sustainable use of mixed conifer-broadleaf forests under changing environment based on FACE(Free Air CO_2 Enrichment)

2005 - 2007 Stuies on the carbon- and mineral- cycling under changing enviromment Larix forests of Far East Asia

2004 - 2006 Study on ecosystem dynamics of boreal forest by the Field experiments

2004 - 2005 FACE(開放系CO2増加実験)で生育した落葉樹の蒸散速度の解明

2002 - 2004 Tending methods for useful tree species invaded into unmanaged plantations and improving CO2 fixation capacity

2001 - 2004 Micrometeomlogical and biological analysis on carbon, water and heat fluxes over various types of ecosystems

2001 - 2003 Scaling up of the physiology^based response of cool-temperate forest ecosystems to disturbance and environmental change.

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

2001 - 2002 Development of monitoring of soil respiration rate with 6 sample changers for non commercial electric power supply.

2000 - 2002 Ecological Studies on Evergreenness and Deciduousness and their Geographical Distribution

2000 - 2002 Effects of artificial disturbance of river on the biodiversity of the river forest

2001 - 2001 温暖化でのトウヒ属樹木の栄養環境と共生微生物の相互作用に関する環境生理学的研究

1999 - 2001 森林樹木・林冠におけるガス交換

1999 - 2001 Radial growth and cell wall structure of trees grown under elevated carbon dioxide concentrations

1999 - 2001 Evaluation of CO2 fixation and storage capacity of Siberian larch species under global warming

1999 - 2000 Photosynthetic characteristics and their defense chemicals of deciduous broadleaf trees raised under enriched CO_2 and temperature

1999 - 2000 Molecular analysis of genetic diversity in natural populations of beech species

1999 - 2000 Development of 6 channel portable CO_2 sampling system and its practical use

1998 - 2000 Joint Study on Northern Environmental Change and Forecast

1998 - 1999 Observation and Modeling on Water, Energy and CO2 fluxes above Forests

1997 - 1999 都市のヒートアイランド化に対する樹木の抑止効果

1997 - 1998 Silvicultural and ecophysiological research on the responses of regenerated tree seedlings to high CO_2 and sun fleck under forest floor condition

1996 - 1998 チベット高原におけるエネルギー・水循環過程の研究

1996 - 1998 STUDY ON THE MOVEMENTS OF DISSOLED ELEMENTS ACCOMPANIED RAIN AND THE FORMATION OF STREAM WATER QUALITY IN A FOREST ECOSYSTEM

1996 - 1998 Development of diagnostic probes allowing the identification of male-sterile and male-fertile cytoplasms in beets

1995 - 1997 Studies on the ecophysiology of the effects of temperature on nutrients circulation in evergreen broad-leaved stands.

1995 - 1996 Ecophysiological responses of naturally regonerntod seedlings to natural and man-made disturbance and their application for silviculture

「温暖化」、対流圏オゾンの増加、窒素沈着の増加環境での樹木の光合成特性に関する生理生態学的研究(葉の構造と機能から木部構造の関係解明)並びに樹木の被食防衛機能に関連した森林保護学的研究

Biodiversity of the interation between plants and herbiuory

Ecophysiology of photosynthetic characteristics in woody plants

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Satoshi Kitaoka, Cong Shi, Toshihiro Watanabe, Takayoshi Koike. Ecophysiological difference in co-existing beech and oak saplings grown in different soil types under a free-air ozone exposure system. Journal of Forest Research. 2024. 29. 1. 30-37
Noboru Masui, Yoko Watanabe, Hiroyuki Tobita, Takayoshi Koike. Feeding of leaf beetle to two species of alder grown under two different soils in a Free Air CO2 Enrichment. Journal of Forest Research. 2024. 29. 1. 11-18
Cong Shi, Noburu Masui, Takayoshi Koike, Chisato Terada, Masahiro Nakamura, Toshihiro Watanabe. Leaf defense traits of birch, beech, and oak saplings grown under two types of soil in a free-air ozone exposure system. Journal of Forest Research. 2024. 29. 1. 19-29
Kitaoka S, Qu LY, Kanetoshi M, Watanabe Y, Fujita S, Koike T. Photosynthetic nitrogen utilization of Robinia pseudoacacia, an invasive species, grown in contrasting light conditions: a leaf scale approach. Annals of Applied Biology. 2024. 184. 1. 61-71
Haolei Xiong, Naili Zhang, Koike Takayoshi, Siqi Tao, Laiye Qu. Tree mycorrhizal types and the interaction between tree and shrub species richness shape soil fungal communities in a subtropical forest in China. Plant and Soil. 2023. online first

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小池孝良. 森林域における樹木葬の発展と樹木医学. 樹守(Kimori). 2024. 2023年度. 4-7
小池孝良, 増井昇, 渡邊陽子, 渡部敏裕. 高オゾン環境で育成したヤマナラシ属二種の虫害への反応と成長. 北方森林研究. 2024. 72. 15-16
Koike, T., Miyamoto, T., Fujino, K. Activities of the Hokkaido Arborist Society - Through its contribution to Training course of the Beijing Tree-doctor Society. Northern Forestry. 2024. 75. 1. 26-29
Watanabe, M, Hoshika, Y, Koike, T. Physiological ecology of woody species under changing environments. Journal of Forest Research. 2024. 29. 1. 1-2
Koike Takayoshi. Book review "Wildlife Management". Northern Forestry. 2023. 74. 4. 154

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Symbiosis in Nature (ed. Everlon Cid Rigobelo)
IntechOpen 2023
Woody plant defense under changing environment
Kyoritu Shupan Publisher 2023 ISBN:4320058402
The story of "sannkaku-yama" - Present and future of history and stone pit of Mt. Sankaku
Fumio Kozeki (Group of nature protection of Mt. Sankaku 2022
Vegetation Dynamics, Changing Ecosystems and Human Responsibility
IntechOpen(DOI:10.5772/intechopen.106957) 2022
"Conifers - Recent Advances" ed. by Ana Cristina Gonçalves
IntechOpen; http://mts.intechopen.com/articles/show/title/larch-a-promising-deciduous-conifer-as-an-eco-environmental-resource 2022

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Responses of deciduous trees to elevated CO2 with FACE system
(Forum of Science of The Chidu Forestry academy, No3, 2022)
History of sustainable forest utilization from medieval period of Japan from view point of Forest Aesthetics: proposed by von Salisch
(XXIII INTERNATIONAL CONGRESS OF HISTORICAL SCIENCES - POZNAŃ 2022)
対流圏オゾンの樹木と虫害に関する環境攪乱物質としての作用:ハムシ類を例に
(大気環境学会北海道・東北支部大会 2021)
Ozone as an "environmental disruptor" in plant-Insect communication: a case study of "leaf beetle"
(International conference on Ozone and Plants Cypurus2021 2021)
Biotic and abiotic stresses on vigor and health of forest ecosystem in Far East Asia A case study on larch: a deciduous conifer
(IUFRO World day 2021 2021)

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Doctor of Agriculture Science

2019/04 - 現在 Hokkaido University, Graduate School of Agriculture,
2019/04 - 現在 Hokkaido University, Research Faculty of Agriculture,
2016/09 - 現在 Shimane University, School of Life and Environmental Sciences
2023/08 - 2023/09 中国科学院・生態-環境研究中心・都市生態研究分野/南開大学・生命科学院・資源植物学分野客員研究員
2022/04 - 2022/05 東北林業大学、浙江農業大学 (Physioloical Plant Ecology) 森林植物生態学国家重点研究中心、環境科学部非常勤講師

2019/09 - 2022/03 Hokkaido University Field Science Center for Northern Biosphere Forest Station

2017/10 - 2022/02 Peking University, Shenzhen Graduate School of Environment & Energy,

2019/02 - 2021/01 Chinese Academy of Science, Research Center for Eco-Environmental Sciences, Group of Urban Ecology

2019/10 - 2020/03 Kyushu University, Graduate school of Agriculture science,

2017/04 - 2019/03 Hokkaido University, Research Faculty of Agriculture,

2011/07 - 2018/08 Tokyo University of Agriculture and Technology ; Environment and Resources Science

2015/04 - 2017/03 Hokkido University, Research Faculty of Agricuture, Bsic Science Division, Forest Science group

2006/04 - 2017/03 Hokkaido University Research Faculty of Agriculture, Silviculture and Forest Ecology Professor

2006/04 - 2017/03 Hokkaido University, Research Faculty of Agriculture, Div of Environmental Resources

2001 - 2017 Northeast Forestry University, Ministry of Education Key Lab of Forest Plant Ecology, Visiting Professor

2014/04 - 2015/08 Nankai University College of Life Science、Resources Botany Lab. Guest professor in "Plant Physiological Ecology"

1998/09 - 2010/09 Tokyo University of Agriculture and Technology Faculty of Agriculture, Department of Environmental and Natural Resource Sciences

2007/10 - 2007/10 Technical University of Munich (TUM) Department of Environment

2005/04 - 2006/03 Hokkaido University Graduate School of Environmental Science,

2005/04 - 2006/03 Graduate School of Environmental Science, Hokkaido University Forest research office professor

2001/04 - 2006/03 Field Science center for Northern Biosphere, Hokkaido University Forest research Stataion Section head for forest management for southern region

1999/04 - 2004/03 The National Institute of Environmental Studies, Center for global environmental research

1998/04 - 2001/03 Hokkaido University Forests Div. of Forest Dynamics

1994/09 - 2001/03 University of Tsukuba, Graduate School of Life and Environmental Science,

1996/04 - 1998/03 Tokyo University of Agriculture and Technology, United Graduate School of Agriculture, Resources and Environment Division,

1996 - 1998 Tokyo University of Agriculture and Technology, Faculty of Agriculture

1981/04 - 1994/10 Forestry and Forest Products Research Institute, Hokkaido Research Center

1991/01 - 1991/02 The University of Joensuu, Finlnd Department of Biology,

1990/09 - 1990/10 University of Wyoming Departent of Biology Nationa Scineces Fundation

1988/05 - 1989/05 Swiss Federal Institute for Forestry Research, ETH Forest and Environmet, Ecophysiology Research Group,

1981/04 - 1989/03 林野庁林業試験場北海道支場・育林部・造林第一研究室農林水産技官

1981/04 - 1981/04 林野庁研究普及課 (林業試験場・造林部) 農林水産技官

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1998/04 - 現在 Tree Health Society of Japan・ Hokkaido;Regional Communication represent
2013/04 - 2022/10 Japan Society for Atmospheric Environment ・Hokkaido and Tohoku Branchi; regonal director
2018/11 - 2020/10 Boreal Forest Society, Japan administrator
2018/02 - 2020/05 The Forest Society of Japan ; Auditor
2015/04 - 2019/03 Center for atmospheric pollution reserch; Reseach council

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2018/10 - Japanese Scociety for Root Research Special prize for applied root research "Ecophysiology of woody plant root under changing environment"
2017/10 - IUFRO Unit7.01.00 Outstanding Contribution Award for IUFRO Tokyo 2017
2017/10 - International Union of Forest Researech Organization "Recognition of his outstanding merits as a scientist and as a mentor of young scientists"
2006/03 - Japan Forest Technology Association "Outstanding Award in Japan Forest Technology Association"
2006/03 - Japan Forest Society "Scentific Award of Japan Forest Society"

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Agricultural Meteorology Society of Hokkaido , Forest History Society , Japanese society of Agriculture Meteorology , Japan Forest Technology Association , 樹木医学会 , Japan Society for Atmospheric Environment , Japanese Society of Soil Science and Plant Nutrition , Boreal Forest Society , Association of Northern Forestry , Ecological Society of Japan , Botanical Society of Japan , Japan Forest Society , THE JAPANESE SOCIETY of FOREST ENVIRONMENT , Environmental Control in Biology of Japan.