Koizumi Itsuro 小泉逸郎

… Alternative Names

KOIZUMI Itsuro 小泉逸郎

Less

Researcher Number	50572799
Other IDs
External Links
Affiliation (Current)	2025: 北海道大学, 地球環境科学研究院, 准教授
Affiliation (based on the past Project Information) *help	2016 – 2024: 北海道大学, 地球環境科学研究院, 准教授 2016: 北海道大学, 大学院・環境科学院, 准教授 2014 – 2015: 北海道大学, 地球環境科学研究科(研究院), 准教授 2014: 北海道大学, 地球環境科学研究科, 准教授 2010 – 2013: 北海道大学, 創成研究機構, 特任助教
Review Section/Research Field	Principal Investigator Basic Section 45040:Ecology and environment-related / Ecology/Environment / Biodiversity/Systematics Except Principal Investigator Resource conservation science / Sections That Are Subject to Joint Review: Basic Section39060:Conservation of biological resources-related , Basic Section39070:Landscape science-related / Basic Section 39070:Landscape science-related / Basic Section 39060:Conservation of biological resources-related / Medium-sized Section 64:Environmental conservation measure and related fields / Aquatic bioproduction science
Keywords	Principal Investigator サケ科魚類 / 平行進化 / 遺伝的基盤 / 進化 / 統合アプローチ / メタ個体群動態 / 大規模長期生態研究 / 集団ゲノミクス / 河川性サケ科魚類 / 集団ゲノム学 … More / 生態-進化動態 / 適応進化 / メタ個体群 / 局所適応 / 小進化 / 回遊多型 / 繁殖時期 / 骨生物学 / 生態 / 骨の進化 / 骨 / 淡水・海水適応 / 系統比較 / 魚類 / 骨細胞 / 降海型 / 残留型 / 回遊型 / 表現型可塑性 / 生活史多型 / 生活史変異 / 北海道 / 遺伝的多様性 / 個体群管理 / 集団遺伝学 / 進化生態学 / 個体群生態学 / 進化的に重要な単位（ESU） / 地理的変異 / 生活史形質 / 遺伝的構造 / 同調性 / 進化的に重要な単位（ESU) / 個体群ユニット / 個体群動態 … More Except Principal Investigator ウチダザリガニ / 栄養補償 / 捕食―被食関係 / 食物網 / 群集 / 魚類 / 底生無脊椎動物 / 湧水 / 地下水 / 河川地形 / 種間相互作用 / 河川生態系 / コツメカワウソ / 環境評価 / 江 / 生物多様性 / 象徴種 / 環境配慮型農業 / 経年変化 / 国際情報交換 / 野外調査 / DNA / 保全 / 遡上時期 / 遺伝子 / 野生サケ / アメリカ合州国 / 外来ザリガニ / 遺伝子多型 / マイクロサテライトDNA / ミトコンドリアDNA / 遺伝子型多型 / 行動シンドローム / 行動多型 / 形態多型 / 生態系管理 / 保全生態学 / 外来生物 / 保全生物 Less

Understanding the dynamics of animal communities and the maintenance of biodiversity in interactions among spring-fed and runoff streams
- Principal Investigator
  
  境優
- Project Period (FY)
  2023 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 39060:Conservation of biological resources-related
  Basic Section 39070:Landscape science-related
  Sections That Are Subject to Joint Review: Basic Section39060:Conservation of biological resources-related , Basic Section39070:Landscape science-related
- Research Institution
  National Institute for Environmental Studies
Developing wildlife-friendly farming via elucidation of small-clawed otter ecology: a case of an Indonesian paddyscape
- Principal Investigator
  
  西川潮
- Project Period (FY)
  2022 – 2026
- Research Category
  
  Fund for the Promotion of Joint International Research (Fostering Joint International Research (B))
- Review Section
  
  Medium-sized Section 64:Environmental conservation measure and related fields
- Research Institution
  Kanazawa University
Metapopulation genomics: integrating population dynamics and genomic using long-term dataPrincipal Investigator
- Principal Investigator
  
  小泉逸郎
- Project Period (FY)
  2021 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 45040:Ecology and environment-related
- Research Institution
  Hokkaido University
Genetic basis of adaptive traits in stream salmonids: toward a large scale population genomicsPrincipal Investigator
- Principal Investigator
  
  Koizumi Itsuro
- Project Period (FY)
  2018 – 2020
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 45040:Ecology and environment-related
- Research Institution
  Hokkaido University
Evolution of cellular bones in fishes: a phylogenetic comparative approachPrincipal Investigator
- Principal Investigator
  
  koizumi Itsuro
- Project Period (FY)
  2016 – 2017
- Research Category
  
  Grant-in-Aid for Challenging Exploratory Research
- Research Field
  
  Biodiversity/Systematics
- Research Institution
  Hokkaido University
Genetic basis and evolutionary origin of migratory polymorphisms in salmonidsPrincipal Investigator
- Principal Investigator
  
  Koizumi Itsuro
- Project Period (FY)
  2014 – 2015
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Ecology/Environment
- Research Institution
  Hokkaido University
Understanding genetics and value of wild salmon run
- Principal Investigator
  
  Araki Hitoshi
- Project Period (FY)
  2014 – 2016
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Aquatic bioproduction science
- Research Institution
  Hokkaido University
Ranking the priority for invasive crayfish control based on phenotypic and genetic characteristics
- Principal Investigator
  
  NISIKAWA Usio
- Project Period (FY)
  2012 – 2014
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Resource conservation science
- Research Institution
  Kanazawa University
  Niigata University
Evaluation of population units considering population dynamics, genetic structure, and life history variationPrincipal Investigator
- Principal Investigator
  
  KOIZUMI Itsuro
- Project Period (FY)
  2011 – 2013
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Ecology/Environment
- Research Institution
  Hokkaido University
Developing management methods for invasive crayfish based on population genetic analysis
- Principal Investigator
  
  NISIKAWA Usio
- Project Period (FY)
  2008 – 2010
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Resource conservation science
- Research Institution
  National Institute for Environmental Studies

All 2022 2020 2019 2016 2013 2012 2011 Other

All Journal Article Presentation Book

[Book] 第３章「想像を超えたヒグマとサケの繋がり：互いに影響する生態と進化、そして生態系全体へ」　書名「ヒグマ学への招待ー自然と文化で考える」2020
- Author(s)
  小泉逸郎
- Total Pages
  384
- Publisher
  北海道大学出版会
- ISBN
  9784832974159
- Data Source
  KAKENHI-PROJECT-18K06405
[Book] Chapter 21. Global Status of Trout and Char: Conservation Challenges in the Twenty-First Century (Book title: Trout and Char of the World)2019
- Author(s)
  Muhlfeld CC, Dauwalter DC, D’Angelo VS, Ferguson A, Giersch J, Impson D, Koizumi I, Kovach RP, McGinnity P, Schoeffmann J, Vollestad LA and Epifanio J
- Total Pages
  777
- Publisher
  American Fisheries Society
- ISBN
  9781934874547
- Data Source
  KAKENHI-PROJECT-18K06405
[Book] Chapter 5. Trout and char: taxonomy, systematics, and phylogeography (Book title: Trout and Char of the World)2019
- Author(s)
  Whiteley AR, Penaluna BE, Taylor EB, Weiss S, Abadia-Cardoso A, Gomez-Uchida D, Koizumi I, Trotter P
- Total Pages
  777
- Publisher
  American Fisheries Society
- ISBN
  9781934874547
- Data Source
  KAKENHI-PROJECT-18K06405
[Book] 第４章「代替生活史戦術と個体群動態ー行動学的基盤の視点からー」　書名「遺伝子・多様性・循環の科学: 生態学の領域融合へ」2019
- Author(s)
  立木佑弥・堀田淳之介・小泉逸郎
- Total Pages
  446
- Publisher
  京都大学学術出版会
- ISBN
  9784814001903
- Data Source
  KAKENHI-PROJECT-18K06405
[Book] 系統地理学：DNAで解き明かす生ものの自然史2013
- Author(s)
  池田啓・小泉逸郎（責任編者）
- Total Pages
  314
- Publisher
  文一総合出版社
- Data Source
  KAKENHI-PROJECT-23770013
[Book] 系統地理学:DNAで解き明かす生きものの自然史2013
- Author(s)
  池田啓、小泉逸郎
- Total Pages
  314
- Publisher
  文一総合出版社
- Data Source
  KAKENHI-PROJECT-23770013
[Journal Article] A novel phylogenetic comparative method for evaluating the strength of branch-specific directional selection2022
- Author(s)
  Ohkubo Yusaku、Kutsukake Nobuyuki、Koizumi Itsuro
- Journal Title
  
  Evolution
  
  Volume: 77 Issue: 1 Pages: 63-82
- DOI
  10.1093/evolut/qpac015
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-21K15170, KAKENHI-PROJECT-23K21335
[Journal Article] Temperature-dependent competition between juvenile salmonids in small streams2019
- Author(s)
  Watz, J., Ohtsuki, Y., Nagatsuka, K., Hasegawa, K. & Koizumi
- Journal Title
  
  Freshwater Biology
  
  Volume: 64 Issue: 8 Pages: 1534-1541
- DOI
  10.1111/fwb.13325
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K07857, KAKENHI-PROJECT-18K06405
[Journal Article] Absolute vs. relative assessments of individual status in status-dependent strategies under stochastic environments.2016
- Author(s)
  Tachiki Y. and Koizumi I.
- Journal Title
  
  The American Naturalist
  
  Volume: 187
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26840136
[Journal Article] Fine scale relationship between sex, life history and dispersal of masu salmon.2012
- Author(s)
  Kitanishi S., Yamamoto T., Koizumi I., Dunham JB and Higashi S.
- Journal Title
  
  Ecology & Evolution
  
  Volume: in press Issue: 5 Pages: 920-929
- DOI
  10.1002/ece3.228
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23770013
[Journal Article] Loss of genetic diversity means loss of geological information : the endangered Japanese crayfish possessed remarkable historical footprints2012
- Author(s)
  Koizumi I., Usio N., Kawai T., Azuma N. and Masuda R
- Journal Title
  
  PLoS ONE
  
  Volume: 7 Issue: 3 Pages: e33986-e33986
- DOI
  10.1371/journal.pone.0033986
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23770013
[Presentation] 北海道二十四河川におけるシロザケ遡上数の時系列解析2013
- Author(s)
  大坪澄生・高田壮則・小泉逸郎
- Organizer
  日本生態学会
- Place of Presentation
  静岡県コンベンションアーツセンター
- Data Source
  KAKENHI-PROJECT-23770013
[Presentation] 個体群の単位を探る：遺伝的均一性と個体数同調性の関係2013
- Author(s)
  小泉逸郎
- Organizer
  日本生態学会
- Place of Presentation
  静岡県コンベンションアーツセンター
- Data Source
  KAKENHI-PROJECT-23770013
[Presentation] 個体群の単位を探る : 遺伝的均一性と個体数同調性の関係2013
- Author(s)
  小泉逸郎
- Organizer
  日本生態学会第60回大会
- Place of Presentation
  静岡県コンベンションアーツセンター(口頭発表)
- Data Source
  KAKENHI-PROJECT-23770013
[Presentation] 遺伝子頻度データを一般化線形モデルの枠組みで解析できるか2012
- Author(s)
  小泉逸郎
- Organizer
  ISMシンポジウム『生物集団に関する遺伝データと集団遺伝学』
- Place of Presentation
  静岡県コンベンションアーツセンター
- Invited
- Data Source
  KAKENHI-PROJECT-23770013
[Presentation] 野外で見られる魚類個体群の進化2011
- Author(s)
  小泉逸郎
- Organizer
  日本動物学会(招待講演)
- Place of Presentation
  大雪クリスタルホール（旭川、北海道）
- Data Source
  KAKENHI-PROJECT-23770013
[Presentation] 失われゆく地域固有性：サケ科魚類・ザリガニを例に2011
- Author(s)
  小泉逸郎
- Organizer
  日本動物学会(招待講演)
- Place of Presentation
  大雪クリスタルホール（旭川、北海道）
- Data Source
  KAKENHI-PROJECT-23770013
[Presentation] Rapid life history change after habitat fragmentation caused genetic homogeneity in freshwater salmonid
- Author(s)
  Itsuro Koizumi
- Organizer
  日本生態学会第62回大会
- Place of Presentation
  鹿児島大学
- Year and Date
  2015-03-18 – 2015-03-22
- Data Source
  KAKENHI-PROJECT-26840136

1. NISIKAWA Usio (00391136)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
2. AZUMA Noriko (20374704)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
3. SATO Mari (40546488)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. Araki Hitoshi (20707129)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. SATO Shunpei (70425461)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. 森田健太郎 (30373468)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. 富田幹次 (80965343)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. 田中勝也 (20397938)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. 境優 (10636343)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. 福島慶太郎 (60549426)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. 岩崎健太 (70723047)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. 根岸淳二郎 (90423029)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. O' MALLEY Kathleen

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. 長谷川功

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
15. 大久保祐作

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

Koizumi Itsuro 小泉 逸郎

KOIZUMI Itsuro 小泉 逸郎

Research Projects

Research Products

Co-Researchers

Understanding the dynamics of animal communities and the maintenance of biodiversity in interactions among spring-fed and runoff streams

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Developing wildlife-friendly farming via elucidation of small-clawed otter ecology: a case of an Indonesian paddyscape

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Metapopulation genomics: integrating population dynamics and genomic using long-term dataPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Genetic basis of adaptive traits in stream salmonids: toward a large scale population genomicsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Evolution of cellular bones in fishes: a phylogenetic comparative approachPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Genetic basis and evolutionary origin of migratory polymorphisms in salmonidsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Understanding genetics and value of wild salmon run

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Ranking the priority for invasive crayfish control based on phenotypic and genetic characteristics

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Evaluation of population units considering population dynamics, genetic structure, and life history variationPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Developing management methods for invasive crayfish based on population genetic analysis

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Book] 第３章「想像を超えたヒグマとサケの繋がり：互いに影響する生態と進化、そして生態系全体へ」 書名「ヒグマ学への招待ー自然と文化で考える」2020

Author(s)

Total Pages

Publisher

ISBN

Data Source

[Book] Chapter 21. Global Status of Trout and Char: Conservation Challenges in the Twenty-First Century (Book title: Trout and Char of the World)2019

Author(s)

Total Pages

Publisher

ISBN

Data Source

[Book] Chapter 5. Trout and char: taxonomy, systematics, and phylogeography (Book title: Trout and Char of the World)2019

Author(s)

Total Pages

Koizumi Itsuro 小泉逸郎

KOIZUMI Itsuro 小泉逸郎

[Book] 第３章「想像を超えたヒグマとサケの繋がり：互いに影響する生態と進化、そして生態系全体へ」　書名「ヒグマ学への招待ー自然と文化で考える」2020

[Book] 第４章「代替生活史戦術と個体群動態ー行動学的基盤の視点からー」　書名「遺伝子・多様性・循環の科学: 生態学の領域融合へ」2019