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Sakai Masaru  境 優

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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
  • Research Projects

    (5 results)
  • Research Products

    (28 results)
  • Co-Researchers

    (15 People)
  •  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

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