Sakai Masaru 境優

… Alternative Names

SAKAI Masaru 境優

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Researcher Number	10636343
Other IDs
Affiliation (Current)	2025: 国立研究開発法人国立環境研究所, 福島地域協働研究拠点, 主任研究員
Affiliation (based on the past Project Information) *help	2021 – 2024: 国立研究開発法人国立環境研究所, 福島地域協働研究拠点, 主任研究員 2020: 国立研究開発法人国立環境研究所, 福島支部, 主任研究員 2016 – 2019: 中央大学, 理工学部, 助教 2016: 中央大学, 研究開発機構, 研究員 2014: 東京農工大学, 農学部, 助教 2013: 東京農工大学, 農学部, 特任助教
Review Section/Research Field	Principal Investigator 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 / Basic Section 64040:Social-ecological systems-related / Forest science Except Principal Investigator Environmental agriculture(including landscape science) / Conservation of biological resources
Keywords	Principal Investigator 河川生態系 / 魚類 / 地下水 / 底生無脊椎動物 / 湧水 / 栄養補償 / 捕食―被食関係 / 食物網 / 群集 / 河川地形 … More / 種間相互作用 / 避難場所 / 河川ネットワーク / 水温 / 流況 / 生物多様性 / 水生昆虫 / 土砂流出 / 陸生昆虫 / 河畔植生 / 過採食 / ニホンジカ / 餌資源 / 底生動物 / 渓流 / 河畔林 / シカ食害 … More Except Principal Investigator 生物多様性 / 生態系サービス / 指標 / 里地・里山 / 生物間相互作用 / 両棲類 / メタゲノム解析 / 生態学的ファシリテーション / ファシリテーション / 熱帯雨林 / ニッチ / 両生類 / 環境DNA / 間接効果 / 種間相互作用 / 採餌ギルド / 安定同位体比 Less

Understanding the dynamics of animal communities and the maintenance of biodiversity in interactions among spring-fed and runoff streamsPrincipal Investigator
- 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
Ecosystem functions of spring-fed streams in maintaining biodiversity in river networksPrincipal Investigator
- Principal Investigator
  
  Sakai Masaru
- Project Period (FY)
  2019 – 2022
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 64040:Social-ecological systems-related
- Research Institution
  National Institute for Environmental Studies
  Chuo University
Mechanisim of the diversity of amphibian larvae in streams of tropical rain forests
- Principal Investigator
  
  Natuhara Yosihiro
- Project Period (FY)
  2016 – 2018
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Conservation of biological resources
- Research Institution
  Nagoya University
Development of biodiversity and ecosystem services indicators and assessment methods for Japanese cultural landscapes "SATOYAMA"
- Principal Investigator
  
  WASHITANI Izumi
- Project Period (FY)
  2014 – 2018
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Environmental agriculture(including landscape science)
- Research Institution
  Chuo University
  The University of Tokyo
Impacts of riparian plant degradation due to deer overbrowsing on food resources for stream fishesPrincipal Investigator
- Principal Investigator
  
  SAKAI Masaru
- Project Period (FY)
  2013 – 2014
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Forest science
- Research Institution
  Tokyo University of Agriculture and Technology

All 2024 2023 2022 2021 2020 2019 2018 2017 2016 2013

All Journal Article Presentation Book

[Book] Springs of the World: Distribution, Ecology, and Conservation Status (L. E. Stevens, editor)2023
- Author(s)
  Masaru Sakai、Risa S. Naito、David Bauman
- Total Pages
  216
- Publisher
  Springs Stewardship Institute
- ISBN
  9780578963334
- Data Source
  KAKENHI-PROJECT-23K26934
[Book] Spring ecosystems in Japan: Knowledge and perspectives in: Springs of the World: Ecology and Conservation Status2023
- Author(s)
  Masaru Sakai、Risa S. Naito、David Bauman
- Publisher
  The Groundwater Project
- Data Source
  KAKENHI-PROJECT-19K20491
[Book] Spring ecosystems in Japan: Knowledge and perspectives In: Springs of the World2022
- Author(s)
  Masaru Sakai, Risa S. Naito, David Bauman
- Publisher
  Springs Stewardship Institute
- Data Source
  KAKENHI-PROJECT-19K20491
[Journal Article] Real‐Time Monitoring and Postprocessing of Thermal Infrared Video Images for Sampling and Mapping Groundwater Discharge2023
- Author(s)
  Iwasaki Kenta、Fukushima Keitaro、Nagasaka Yu、Ishiyama Nobuo、Sakai Masaru、Nagasaka Akiko
- Journal Title
  
  Water Resources Research
  
  Volume: 59 Issue: 4
- DOI
  10.1029/2022wr033630
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K20491, KAKENHI-PROJECT-19H04314, KAKENHI-PROJECT-23K26934
[Journal Article] Intraspecific variation in advertisement call characteristics and acoustic strategies among male forest green tree frogs2023
- Author(s)
  Itakura Nobunosuke、Sakai Masaru、Sato Ryohei、Nishihara Shogo、Yoshida Takehito、Washitani Izumi
- Journal Title
  
  Population Ecology
  
  Volume: 65 Issue: 4 Pages: 266-274
- DOI
  10.1002/1438-390x.12153
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K12262, KAKENHI-PROJECT-19K20491
[Journal Article] Catchment-scale deer exclusion changes longitudinal patterns of macroinvertebrate communities through soil runoff mitigation2023
- Author(s)
  Sakai Masaru
- Journal Title
  
  Ecological Engineering
  
  Volume: 190 Pages: 106932-106932
- DOI
  10.1016/j.ecoleng.2023.106932
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K20491
[Journal Article] Ecosystem Functions of a Spring-Fed Tributary in Providing Foraging Habitat and Thermal Refuge for Juvenile Masu Salmon2023
- Author(s)
  Sakai Masaru、Hoshi Gosuke、Wakiya Ryoshiro
- Journal Title
  
  Ichthyology & Herpetology
  
  Volume: 111 Issue: 1 Pages: 44-53
- DOI
  10.1643/i2022050
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K20491
[Journal Article] Flood-induced interspecific interactions in spring-fed tributary as an ecosystem function of heterogeneous river networks2021
- Author(s)
  Sakai Masaru、Wakiya Ryoshiro、Hoshi Gosuke
- Journal Title
  
  Landscape and Ecological Engineering
  
  Volume: 17 Issue: 4 Pages: 555-561
- DOI
  10.1007/s11355-021-00465-8
- NAID
  40022712776
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K20491
[Journal Article] Unique habitat and macroinvertebrate assemblage structures in spring-fed stream: a comparison among clastic lowland tributaries and mainstreams in northern Japan2021
- Author(s)
  Sakai Masaru、Iwabuchi Katsuya、Bauman David
- Journal Title
  
  Community Ecology
  
  Volume: 22 Issue: 2 Pages: 193-202
- DOI
  10.1007/s42974-021-00048-5
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K20491
[Journal Article] Spring-fed streams as flow refugia: Changes in fish assemblages after a rainfall event2020
- Author(s)
  Masaru Sakai, Ryoshiro Wakiya, Gosuke Hoshi
- Journal Title
  
  bioRxiv
  
  Volume: -
- DOI
  10.1101/2020.04.26.062968
- Open Access
- Data Source
  KAKENHI-PROJECT-19K20491
[Journal Article] The importance of riparian sub-tropical lucidophyllous forest to odonate conservation.2019
- Author(s)
  Masaru Sakai, Shin-ichi Suda, Taichi Okeda, Ryosuke Nomura, Izumi Washitani
- Journal Title
  
  Aquatic Conservation: Marine and Freshwater Ecosystems
  
  Volume: 印刷中
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-26292181
[Journal Article] Identifying priority habitats and monitoring species for conservation and restoration of lentic Odonata habitats: assemblage nestedness on Amami-Oshima Island, Japan2017
- Author(s)
  Sakai Masaru、Suda Shin-ichi、Okeda Taichi、Washitani Izumi
- Journal Title
  
  Ecological Research
  
  Volume: 32 Issue: 5 Pages: 693-702
- DOI
  10.1007/s11284-017-1490-z
- NAID
  40021323519
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-26292181
[Journal Article] Coniferous needle litter acts as a stable food resource for stream detritivores2016
- Author(s)
  Sakai M, Fukushima K, Naito RS, Natuhara Y, Kato M
- Journal Title
  
  Hydrobiologia
  
  Volume: 779 Issue: 1 Pages: 161-171
- DOI
  10.1007/s10750-016-2813-8
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16H04735, KAKENHI-PROJECT-26660127
[Journal Article] Responses of macroinvertebrate communities to 4 years of deer exclusion in first- and second-order streams.2013
- Author(s)
  Sakai M, Natuhara Y, Fukushima K, Naito R, Miyashita H, Kato M, Gomi T.
- Journal Title
  
  Freshwater Science
  
  Volume: 32 Issue: 2 Pages: 563-575
- DOI
  10.1899/12-116.1
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22780145, KAKENHI-PROJECT-25870208
[Journal Article] シカの過採食による森林と渓流生態系の相互作用の変化2013
- Author(s)
  境　優
- Journal Title
  
  日本緑化工学会誌
  
  Volume: 39 Pages: 248-255
- NAID
  10031203427
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25870208
[Presentation] Ecosystem functions of spring-fed habitats in heterogeneous river environments2024
- Author(s)
  Masaru Sakai
- Organizer
  第71回日本生態学会大会
- Invited
- Data Source
  KAKENHI-PROJECT-23K26934
[Presentation] 熱赤外動画とGPSを用いた源流域河道沿いの湧水マッピング2022
- Author(s)
  岩崎健太・福島慶太郎・長坂有・長坂晶子・石山信雄・境　優
- Organizer
  第133回日本森林学会大会
- Data Source
  KAKENHI-PROJECT-19K20491
[Presentation] 湧水支流と周辺の非湧水河川におけるヤマメの生息密度と胃内容物の季節変動2021
- Author(s)
  境　　優, 星　剛介, 脇谷量子郎
- Organizer
  第68回日本生態学会大会（ポスター）
- Data Source
  KAKENHI-PROJECT-19K20491
[Presentation] 湧水河川の生態系機能：特異な生息環境・避難場所2020
- Author(s)
  境　　優
- Organizer
  東京農工大学流域水文・生態系管理学研究室スペシャルセミナー
- Invited
- Data Source
  KAKENHI-PROJECT-19K20491
[Presentation] 特異な生息環境・避難場所としての湧水河川の生態系機能2020
- Author(s)
  境　　優, 岩渕克哉, 星　剛介, 脇谷量子郎, 鷲谷いづみ
- Organizer
  第67回日本生態学会大会
- Data Source
  KAKENHI-PROJECT-19K20491
[Presentation] 北海道朱太川水系におけるヤマメの採餌環境としての湧水支流の重要性2019
- Author(s)
  星剛介・境優・脇谷量子郎・岩渕克哉・高橋興世・斎藤均・鷲谷いづみ
- Organizer
  日本生態学会第66回全国大会
- Data Source
  KAKENHI-PROJECT-26292181
[Presentation] 退避地としての湧水河川: 洪水前後の魚類相の変化2019
- Author(s)
  境優・脇谷量子郎・星剛介・鷲谷いづみ
- Organizer
  日本生態学会第66回全国大会
- Data Source
  KAKENHI-PROJECT-26292181
[Presentation] 湧水がもたらす底生無脊椎動物にとっての特異な生息環境：朱太川水系の事例2019
- Author(s)
  岩渕克哉・境優・脇谷量子郎・髙橋興世・鷲谷いづみ
- Organizer
  日本生態学会第66回全国大会
- Data Source
  KAKENHI-PROJECT-26292181
[Presentation] 亜熱帯照葉樹林における流水性トンボを用いた河畔林―河川エコトーンの生物多様性ホットスポットの評価2018
- Author(s)
  境優・須田真一・桶田太一・野村諒輔・鷲谷いづみ
- Organizer
  日本生態学会第65回全国大会
- Data Source
  KAKENHI-PROJECT-26292181
[Presentation] 河川ネットワークにおける湧水・非湧水河川の底生無脊椎動物相の比較：朱太川水系の事例2018
- Author(s)
  岩渕克哉・境優・髙橋興世・鷲谷いづみ
- Organizer
  日本生態学会第65回全国大会
- Data Source
  KAKENHI-PROJECT-26292181
[Presentation] 止水性トンボを用いた保全上重要な生息地とその指標種の特定2017
- Author(s)
  境優、須田真一、桶田太一、鷲谷いづみ
- Organizer
  第64回日本生態学会大会
- Place of Presentation
  東京
- Year and Date
  2017-03-14
- Data Source
  KAKENHI-PROJECT-26292181
[Presentation] 奄美大島におけるトンボ相と景観構造との関係2016
- Author(s)
  境優・須田真一・桶田太一・鷲谷いづみ
- Organizer
  日本生態学会
- Place of Presentation
  宮城県仙台市
- Year and Date
  2016-03-21
- Data Source
  KAKENHI-PROJECT-26292181
[Presentation] シカによる下層植生の過剰採食が森林生態系の窒素保持及び流出に与える影響2013
- Author(s)
  福島慶太郎・境　　優・阪口翔太・岩井有加・坂井百々子・長谷川敦史・西岡裕平・藤井弘明・徳地直子・吉岡崇仁・高柳敦
- Organizer
  日本地球惑星科学連合大会
- Place of Presentation
  幕張メッセ国際会議場
- Data Source
  KAKENHI-PROJECT-25870208

1. Natuhara Yosihiro (20270762)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
2. WASHITANI Izumi (40191738)

# of Collaborated Projects: 1 results

# of Collaborated Products: 9 results
3. 倉林敦 (00327701)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. 島田知彦 (30610638)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. 宮崎佑介 (10721631)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. 大谷雅人 (50582756)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. 吉岡明良 (80633479)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. 小泉逸郎 (50572799)

# of Collaborated Projects: 1 results

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

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
10. 岩崎健太 (70723047)

# of Collaborated Projects: 1 results

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

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. MINAMOTO Toshifumi

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. MATSUMOTO Hitoshi

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. INOUE Tohki

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. NISHIHARA Shogo

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

Sakai Masaru 境 優

SAKAI Masaru 境 優

Research Projects

Research Products

Co-Researchers

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

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Ecosystem functions of spring-fed streams in maintaining biodiversity in river networksPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Mechanisim of the diversity of amphibian larvae in streams of tropical rain forests

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Development of biodiversity and ecosystem services indicators and assessment methods for Japanese cultural landscapes "SATOYAMA"

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Impacts of riparian plant degradation due to deer overbrowsing on food resources for stream fishesPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Book] Springs of the World: Distribution, Ecology, and Conservation Status (L. E. Stevens, editor)2023

Author(s)

Total Pages

Publisher

ISBN

Data Source

[Book] Spring ecosystems in Japan: Knowledge and perspectives in: Springs of the World: Ecology and Conservation Status2023

Author(s)

Publisher

Data Source

[Book] Spring ecosystems in Japan: Knowledge and perspectives In: Springs of the World2022

Author(s)

Publisher

Data Source

[Journal Article] Real‐Time Monitoring and Postprocessing of Thermal Infrared Video Images for Sampling and Mapping Groundwater Discharge2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Intraspecific variation in advertisement call characteristics and acoustic strategies among male forest green tree frogs2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Catchment-scale deer exclusion changes longitudinal patterns of macroinvertebrate communities through soil runoff mitigation2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Ecosystem Functions of a Spring-Fed Tributary in Providing Foraging Habitat and Thermal Refuge for Juvenile Masu Salmon2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Flood-induced interspecific interactions in spring-fed tributary as an ecosystem function of heterogeneous river networks2021

Author(s)

Journal Title

DOI

NAID

Data Source

[Journal Article] Unique habitat and macroinvertebrate assemblage structures in spring-fed stream: a comparison among clastic lowland tributaries and mainstreams in northern Japan2021

Author(s)

Journal Title

DOI

Data Source

Sakai Masaru 境優

SAKAI Masaru 境優