KOYAMA Kohei 小山耕平

Researcher Number	70709170
Other IDs	https://orcid.org/0000-0001-6707-3130
Affiliation (Current)	2025: 北海道教育大学, 教育学部, 准教授
Affiliation (based on the past Project Information) *help	2023: 北海道教育大学, 教育学部, 准教授 2018 – 2022: 帯広畜産大学, 畜産学部, 助教 2013 – 2014: 帯広畜産大学, 畜産学部, 助教
Review Section/Research Field	Principal Investigator Basic Section 45040:Ecology and environment-related / Ecology/Environment Except Principal Investigator Basic Section 40010:Forest science-related
Keywords	Principal Investigator 植物生態学 / 樹木 / フラクタル / forest / leaf area / leaf / plant ecophysiology / plant ecolgy / 対数正規分布 / 森林 … More / 光合成 / 植物生態 / 植物形態学 / 植物生理学 / 植物生理生態学 / スケーリング / アロメトリー / ハルニレ … More Except Principal Investigator 根/地上部呼吸比 / 樹木個体呼吸 / 物理化学的制御 / 個体生理学 / 根系分配 / 個体光合成速度 / 森林生態系 / 個体呼吸速度 / 水利用効率 / 個体レベル / 根系配分 / 根系呼吸 / 地上部呼吸 / 個体蒸散速度 / 個体光合成 / 根系/地上部 / 樹木根系 / 根への配分 / 森林 / 二酸化炭素収支 / スケーリング / 個体呼吸 Less

葉の理論と茎の理論の接点：モンゴメリ係数とKoyama-Smith係数の関係Principal Investigator
- Principal Investigator
  
  小山耕平
- Project Period (FY)
  2023 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 45040:Ecology and environment-related
- Research Institution
  Hokkaido University of Education
Scaling of whole root/shoot respiration from seedlings to giant trees
- Principal Investigator
  
  Shigeta Mori
- Project Period (FY)
  2019 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 40010:Forest science-related
- Research Institution
  Yamagata University
Empirical assessment of a self-similar model of photosynthesis of treesPrincipal Investigator
- Principal Investigator
  
  KOYAMA Kohei
- Project Period (FY)
  2018 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 45040:Ecology and environment-related
- Research Institution
  Obihiro University of Agriculture and Veterinary Medicine
Lognormal distribution and power law behavior on self-similar tree branching structurePrincipal Investigator
- Principal Investigator
  
  KOYAMA Kohei
- Project Period (FY)
  2013 – 2014
- Research Category
  
  Grant-in-Aid for Research Activity Start-up
- Research Field
  
  Ecology/Environment
- Research Institution
  Obihiro University of Agriculture and Veterinary Medicine

All 2024 2023 2022 2021 2020 2019 2018 2015 2014

All Journal Article Presentation

[Journal Article] Ontogenetic changes in root and shoot respiration, fresh mass and surface area of Fagus crenata2023
- Author(s)
  Yoko Kurosawa, Shigeta Mori, Mofei Wang, Juan Pedro Ferrio, Tomohiro Nishizono, Keiko Yamaji, Kohei Koyama, Toshikatsu Haruma, Kohei Doyama
- Journal Title
  
  Annals of Botany
  
  Volume: 131 Issue: 2 Pages: 313-322
- DOI
  10.1093/aob/mcac143
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02987, KAKENHI-PROJECT-19H01161
[Journal Article] A new fractal index to classify forest fragmentation and disorder.2023
- Author(s)
  Daniel Peptenatu, Ion Andronache, Helmut Ahammer, Marko Radulovic, Jennifer K. Costanza, Herbert F. Jelinek, Antonio Di Ieva, Kohei Koyama et al.
- Journal Title
  
  Landscape Ecology
  
  Volume: 11 Issue: 6 Pages: 10-20
- DOI
  10.1007/s10980-023-01640-y
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02987
[Journal Article] Leaf Area Estimation by Photographing Leaves Sandwiched between Transparent Clear File Folder Sheets2023
- Author(s)
  Koyama Kohei
- Journal Title
  
  Horticulturae
  
  Volume: 9 Issue: 6 Pages: 709-709
- DOI
  10.3390/horticulturae9060709
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-23K05931
[Journal Article] Diurnal Change of the Photosynthetic Light-Response Curve of Buckbean (Menyanthes trifoliata), an Emergent Aquatic Plant2022
- Author(s)
  Okamoto Azumi、Koyama Kohei、Bhusal Narayan
- Journal Title
  
  Plants
  
  Volume: 11 Issue: 2 Pages: 174-174
- DOI
  10.3390/plants11020174
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K06406, KAKENHI-PROJECT-19H02987
[Journal Article] Scaling the leaf length-times-width equation to predict total leaf area of shoots2022
- Author(s)
  Koyama Kohei、Smith Duncan D
- Journal Title
  
  Annals of Botany
  
  Volume: mcac043 Issue: 2 Pages: 215-230
- DOI
  10.1093/aob/mcac043
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K06406, KAKENHI-PROJECT-19H02987
[Journal Article] Seed Mucilage Promotes Dispersal of Plantago asiatica Seeds by Facilitating Attachment to Shoes2022
- Author(s)
  Abe Nanako、Koyama Kohei、Okamoto Azumi、Katayama Kowa、Kato Yura、Mimura Natsuki、Okoshi Shoji、Tanaka Yuki
- Journal Title
  
  Sustainability
  
  Volume: 14 Issue: 11 Pages: 6909-6909
- DOI
  10.3390/su14116909
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K06406, KAKENHI-PROJECT-19H02987
[Journal Article] No effect of selective maturation on fruit traits for a bird-dispersed species, Sambucus racemosa2021
- Author(s)
  Koyama, K; Tashiro, M
- Journal Title
  
  Plants
  
  Volume: 10 Issue: 2 Pages: 376-376
- DOI
  10.3390/plants10020376
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18K06406
[Journal Article] Shade Avoidance and Light Foraging of a Clonal Woody Species, Pachysandra terminalis2021
- Author(s)
  Iwabe Risa、Koyama Kohei、Komamura Riko
- Journal Title
  
  Plants
  
  Volume: 10 Issue: 4 Pages: 809-809
- DOI
  10.3390/plants10040809
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18K06406
[Journal Article] Consistent scaling of whole-shoot respiration between Moso bamboo (Phyllostachys pubescens) and trees2021
- Author(s)
  Wang Mofei、Mori Shigeta、Kurosawa Yoko、Ferrio Juan Pedro、Yamaji Keiko、Koyama Kohei
- Journal Title
  
  Journal of Plant Research
  
  Volume: 134 Issue: 5 Pages: 989-997
- DOI
  10.1007/s10265-021-01320-5
- NAID
  40022665024
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K06406, KAKENHI-PROJECT-19H02987, KAKENHI-PROJECT-19H01161
[Journal Article] Pollination Contribution Differs among Insects Visiting Cardiocrinum cordatum Flowers2021
- Author(s)
  Komamura Riko、Koyama Kohei、Yamauchi Takeo、Konno Yasuo、Gu Lingshuang
- Journal Title
  
  Forests
  
  Volume: 12 Issue: 4 Pages: 452-452
- DOI
  10.3390/f12040452
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K06406
[Journal Article] Redeployment of shoots into better-lit positions within the crowns of saplings of five species with different growth patterns2020
- Author(s)
  Koyama, K; Shirakawa, H; Kikuzawa, K.
- Journal Title
  
  Forests
  
  Volume: 11 Issue: 12 Pages: 1301-1301
- DOI
  10.3390/f11121301
- NAID
  120006953489
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K06406
[Journal Article] Initial burst of root development with decreasing respiratory carbon cost in Fagus crenata Blume seedlings2020
- Author(s)
  Kurosawa, Y.; Mori, S.; Wang, M.; Ferrio, J.P.; Yamaji, K.; Koyama, K.; Haruma, T.; Doyama, K.
- Journal Title
  
  Plant Species Biology
  
  Volume: Online Early View Issue: 2 Pages: 0-0
- DOI
  10.1111/1442-1984.12305
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K06406, KAKENHI-PROJECT-19H01161, KAKENHI-PROJECT-19H02987, KAKENHI-PROJECT-19H01158
[Journal Article] Photosynthetic and morphological acclimation to high and low light environments in Petasites japonicus subsp. giganteus.2020
- Author(s)
  Deguchi R.; Koyama, K.
- Journal Title
  
  Forests
  
  Volume: 11 Issue: 12 Pages: 1365-1365
- DOI
  10.3390/f11121365
- NAID
  120006953490
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18K06406
[Journal Article] A field experiment on green walls taking into consideration wind flow in the hot-humid climate of Indonesia2019
- Author(s)
  H Kitagawa, A Tanimoto, T Kubota, K Koyama, MNF Alfata
- Journal Title
  
  IOP Conference Series: Earth and Environmental Science
  
  Volume: 294 Issue: 1 Pages: 012088-012088
- DOI
  10.1088/1755-1315/294/1/012088
- NAID
  120006733915
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K06406
[Journal Article] The arrangement of lateral veins along the midvein of leaves is not related to leaf phyllotaxis2018
- Author(s)
  Koyama Kohei、Masuda Teruhisa
- Journal Title
  
  Scientific Reports
  
  Volume: 8 Issue: 1 Pages: 16417-16417
- DOI
  10.1038/s41598-018-34772-2
- NAID
  120006540764
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18K06406
[Presentation] 地上部・地下部呼吸の成長に伴うシフト～樹木にみられる統一性～2024
- Author(s)
  黒澤陽子（山形大学）, 森茂太（山形大学）, 西園朋広（森林総合研究所）, 山路恵子（筑波大学）, 小山耕平（北海道教育大学）, 八木光晴（長崎大学）, 春間俊克（北海道大学）, 土山紘平
- Organizer
  第71回日本生態学会大会
- Data Source
  KAKENHI-PROJECT-23K05931
[Presentation] 葉１枚の面積は長さと幅に比例する」を枝レベルへ拡張する。2022
- Author(s)
  小山耕平, Duncan D Smith
- Organizer
  日本生態学会　ESJ69, 福岡（Online）
- Data Source
  KAKENHI-PROJECT-18K06406
[Presentation] 陸上植物の根系/地上部呼吸スケーリングー草と木の類似点と相違点ー2022
- Author(s)
  黒澤陽子, 森茂太, 西園朋広, 山路恵子, 小山耕平, 八木光晴, 春間俊克, 土山紘平
- Organizer
  第70回日本生態学会
- Data Source
  KAKENHI-PROJECT-19H02987
[Presentation] 「葉１枚の面積は長さと幅に比例する」を枝レベルへ拡張する2021
- Author(s)
  小山耕平、Duncan D. SMITH
- Organizer
  第69回日本生態学会大会
- Data Source
  KAKENHI-PROJECT-19H02987
[Presentation] Intra-plant variation of leaf phenology in elm trees2020
- Author(s)
  Koyama Kohei
- Organizer
  English session of Ecological Society of Japan 67th annual meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K06406
[Presentation] アキタブキの開花フェノロジーと花の形態2020
- Author(s)
  伊藤航介, 出口怜, 小山耕平
- Organizer
  日本生態学会第67回全国大会
- Data Source
  KAKENHI-PROJECT-18K06406
[Presentation] 林冠ギャップによる林床個体呼吸上昇がもたらす芽生え～大木の呼吸スケーリングの収斂2020
- Author(s)
  森茂太（山形大）, 黒澤陽子（山形大）, 王莫非（山形大）, 山路恵子（筑波大）, 春間俊克（原子力機構, 筑波大）, 土山紘平（筑波大）, 小山耕平（帯広畜産大学）
- Organizer
  日本生態学会第67回全国大会
- Data Source
  KAKENHI-PROJECT-18K06406
[Presentation] 林冠ギャップによる林床個体呼吸上昇がもたらす芽生え～大木の呼吸スケーリングの収斂2019
- Author(s)
  森茂太, 黒澤陽子, 王莫非, 山路恵子, 春間俊克, 土山紘平, 小山耕平
- Organizer
  日本生態学会第67回全国大会
- Data Source
  KAKENHI-PROJECT-19H02987
[Presentation] Intra-plant organ size variation of Quercus crispula.2019
- Author(s)
  KOYAMA Kohei
- Organizer
  ESJ66 (日本生態学会大会), Kobe, Mar 2019, D01-08.
- Data Source
  KAKENHI-PROJECT-18K06406
[Presentation] Allometric relationship between twig length, maximum leaf length on the shoot, and twig leaf area of Japanese elm (Ulmus davidiana var. japonica)2018
- Author(s)
  KOYAMA Kohei
- Organizer
  EAFES-8 (East Asian Federation of Ecological Societies), Nagoya, Apr. 2018, P2-47.
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K06406
[Presentation] A field experiment on green walls in consideration of wind flow in the hot-humid climate of Indonesia.2018
- Author(s)
  Haruka Kitagawa, Aoi Tanimoto, Tetsu Kubota, Kohei Koyama, Muhammad Nur Fajiri Alfata
- Organizer
  SBE2019 (Sustainable Built Environment Conference 2019), Tokyo, 2019.
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K06406
[Presentation] フラクタル樹形上の「べき分布」と「対数正規分布」の統一的理解2015
- Author(s)
  小山耕平、山本健
- Organizer
  第62回日本生態学会大会
- Place of Presentation
  鹿児島
- Year and Date
  2015-03-21
- Data Source
  KAKENHI-PROJECT-25891001
[Presentation] 樹木内の枝集団におけるサイズ分布2014
- Author(s)
  小山耕平、山本健
- Organizer
  日本物理学会第69回年次大会
- Place of Presentation
  東海大学湘南キャンパス（平塚市）
- Data Source
  KAKENHI-PROJECT-25891001
[Presentation] 樹木のフラクタル性と枝サイズの統計性2014
- Author(s)
  小山耕平、山本健
- Organizer
  第61回日本生態学会大会
- Place of Presentation
  広島国際会議場（広島市）
- Data Source
  KAKENHI-PROJECT-25891001
[Presentation] 生態学におけるべき乗則の理論2014
- Author(s)
  小山耕平
- Organizer
  統計数理研究所公募型研究集会
- Place of Presentation
  立川
- Year and Date
  2014-11-13
- Invited
- Data Source
  KAKENHI-PROJECT-25891001

1. Shigeta Mori (60353885)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results
2. 山本健 (00634693)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
3. 山路恵子 (00420076)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results
4. 石田厚 (60343787)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. 吉村謙一 (20640717)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

KOYAMA Kohei 小山 耕平

Research Projects

Research Products

Co-Researchers

葉の理論と茎の理論の接点：モンゴメリ係数とKoyama-Smith係数の関係Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Scaling of whole root/shoot respiration from seedlings to giant trees

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Empirical assessment of a self-similar model of photosynthesis of treesPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Lognormal distribution and power law behavior on self-similar tree branching structurePrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] Ontogenetic changes in root and shoot respiration, fresh mass and surface area of Fagus crenata2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] A new fractal index to classify forest fragmentation and disorder.2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Leaf Area Estimation by Photographing Leaves Sandwiched between Transparent Clear File Folder Sheets2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Diurnal Change of the Photosynthetic Light-Response Curve of Buckbean (Menyanthes trifoliata), an Emergent Aquatic Plant2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Scaling the leaf length-times-width equation to predict total leaf area of shoots2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Seed Mucilage Promotes Dispersal of Plantago asiatica Seeds by Facilitating Attachment to Shoes2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] No effect of selective maturation on fruit traits for a bird-dispersed species, Sambucus racemosa2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Shade Avoidance and Light Foraging of a Clonal Woody Species, Pachysandra terminalis2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Consistent scaling of whole-shoot respiration between Moso bamboo (Phyllostachys pubescens) and trees2021

Author(s)

Journal Title

DOI

NAID

Data Source

[Journal Article] Pollination Contribution Differs among Insects Visiting Cardiocrinum cordatum Flowers2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Redeployment of shoots into better-lit positions within the crowns of saplings of five species with different growth patterns2020

KOYAMA Kohei 小山耕平

[Presentation] 地上部・地下部呼吸の成長に伴うシフト～樹木にみられる統一性～2024

[Presentation] 陸上植物の根系/地上部呼吸スケーリングー草と木の類似点と相違点ー2022