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Genki Sahashi  佐橋 玄記

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Sahashi Genki  佐橋 玄記

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Researcher Number 90791799
Other IDs
  • ORCIDhttps://orcid.org/0000-0002-6348-9013
Affiliation (Current) 2025: 国立研究開発法人水産研究・教育機構, 水産資源研究所(札幌), 主任研究員
Affiliation (based on the past Project Information) *help 2023 – 2024: 国立研究開発法人水産研究・教育機構, 水産資源研究所(札幌), 主任研究員
2022: 国立研究開発法人水産研究・教育機構, 水産資源研究所(札幌), 研究員
2021: 国立研究開発法人水産研究・教育機構, 水産資源研究所(札幌), 任期付研究員
2020: 国立研究開発法人水産研究・教育機構, 水研機構(札幌), 任期付研究員
2018 – 2019: 国立研究開発法人水産研究・教育機構, 北海道区水産研究所, 任期付研究員
2017: 東京大学, 大学院農学生命科学研究科(農学部), 特別研究員
Review Section/Research Field
Principal Investigator
Environmental and ecological symbiosis
Except Principal Investigator
Basic Section 40030:Aquatic bioproduction science-related
Keywords
Principal Investigator
ダム / 知床 / 世界遺産 / サケ科魚類
Except Principal Investigator
資源変動 / 生活史多様性 / サケ科魚類
  • Research Projects

    (2 results)
  • Research Products

    (23 results)
  • Co-Researchers

    (1 People)
  •  Life history diversity and stock fluctuations in salmonids - developing adaptive strategies against extreme climatic events

    • Principal Investigator
      森田 健太郎
    • Project Period (FY)
      2024 – 2028
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Review Section
      Basic Section 40030:Aquatic bioproduction science-related
    • Research Institution
      The University of Tokyo
  •  Effects of dams on the life history of freshwater fishes via seasonal changes in food resource supply in Shiretoko, a World Heritage Site.Principal Investigator

    • Principal Investigator
      Sahashi Genki
    • Project Period (FY)
      2017 – 2023
    • Research Category
      Grant-in-Aid for Young Scientists (B)
    • Research Field
      Environmental and ecological symbiosis
    • Research Institution
      Fisheries Research and Education Agency
      The University of Tokyo

All 2023 2022 2021 2020 2019 2018 2017 Other

All Journal Article Presentation Other

  • [Journal Article] Introgressive Hybridization between Southern Asian Dolly Varden, Salvelinus curilus, and Northern Dolly Varden, S. malma malma, on Sakhalin Island2021

    • Author(s)
      S Yamamoto, K Morita, G Sahashi, K Maekawa, A Oleinik, E Bondar, V Brykov
    • Journal Title

      Russian Journal of Genetics

      Volume: 57 Issue: 3 Pages: 361-370

    • DOI

      10.1134/s1022795421030145

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K12839, KAKENHI-PROJECT-16K07884
  • [Journal Article] Southern Asian Dolly Varden Charr, Salvelinus curilus on the Higashi-Nodottomari River in Rishiri Island2021

    • Author(s)
      G Sahashi, K Morita
    • Journal Title

      Rishiri Studies

      Volume: 40 Pages: 13-20

    • Data Source
      KAKENHI-PROJECT-17K12839
  • [Journal Article] Spatial and temporal changes in genetic structure and diversity of isolated white-spotted charr (Salvelinus leucomaenis) populations2019

    • Author(s)
      Shoichiro Yamamoto, Kentaro Morita, Genki Sahashi
    • Journal Title

      Hydrobiologia

      Volume: 印刷中 Issue: 1 Pages: 35-48

    • DOI

      10.1007/s10750-019-3924-9

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17K12839, KAKENHI-PROJECT-16K07884
  • [Journal Article] Ongoing localized extinctions of stream-dwelling white-spotted charr populations in small dammed-off habitats of Hokkaido Island, Japan2019

    • Author(s)
      Kentaro Morita, Genki Sahashi, Masaki Miya, Shouko Kamada, Takashi Kanbe, Hitoshi Araki
    • Journal Title

      Hydrobiologia

      Volume: 印刷中 Issue: 1 Pages: 1-7

    • DOI

      10.1007/s10750-019-3891-1

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17K12839, KAKENHI-PROJECT-25450293, KAKENHI-PROJECT-17H03623, KAKENHI-PROJECT-19H03291
  • [Journal Article] On the Ocean age of Masu Salmon Oncorhynchus masou in a Natural Population, Shiretoko Peninsula, Japan2018

    • Author(s)
      Kentaro Morita, Genki Sahashi
    • Journal Title

      Journal of Ichthyology

      Volume: 58 Issue: 4 Pages: 594-599

    • DOI

      10.1134/s0032945218040136

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17K12839
  • [Journal Article] Adoption of alternative migratory tactics: a view from the ultimate mechanism and threshold trait changes in a salmonid fish2018

    • Author(s)
      Sahashi Genki、Morita Kentaro
    • Journal Title

      Oikos

      Volume: 127 Issue: 2 Pages: 239-251

    • DOI

      10.1111/oik.03715

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17K12839, KAKENHI-PROJECT-17J05544
  • [Journal Article] Spatial expansion and increased population density of masu salmon parr independent of river restoration2018

    • Author(s)
      Sahashi Genki、Morita Kentaro、Kishi Daisuke
    • Journal Title

      Ichthyological Research

      Volume: - Issue: 4 Pages: 496-501

    • DOI

      10.1007/s10228-018-0628-5

    • NAID

      40021706874

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17K12839, KAKENHI-PROJECT-17J05544, KAKENHI-PROJECT-25450293
  • [Journal Article] Iteroparity of stream resident masu salmon Oncorhynchus masou2018

    • Author(s)
      Kentaro Morita, Jun-ichi Tsuboi, Genki Sahashi, Takeshi Kikko, Daisuke Ishizaki, Daisuke Kishi, Shinsuke Endo, Yusuke Koseki
    • Journal Title

      Journal of Fish Biology

      Volume: 93 Issue: 4 Pages: 750-754

    • DOI

      10.1111/jfb.13771

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17K12839
  • [Presentation] To migrate or not to migrate: a view based on inter-population variation in a threshold trait and ultimate mechanism in charr and salmon2023

    • Author(s)
      G Sahashi, K Morita
    • Organizer
      10th International Charr Symposium
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K12839
  • [Presentation] 海へ行く?それとも川に残る?―サケ科魚類にみる2つの生き方2022

    • Author(s)
      佐橋 玄記(水産研究・教育機構)
    • Organizer
      第38回 国際生物学賞記念シンポジウム "魚の生物学:その生態、進化と発生"
    • Invited
    • Data Source
      KAKENHI-PROJECT-17K12839
  • [Presentation] 北海道知床半島の知西別湖流入河川のニジマスについて2021

    • Author(s)
      佐橋玄記(水研機構)・黒木真理(東大院農)・野別貴博(知床財団)・森田健太郎(北大FSC)
    • Organizer
      魚類系統研究会
    • Data Source
      KAKENHI-PROJECT-17K12839
  • [Presentation] 野生の血は河川回帰率を向上させるか?サクラマスを用いた検証2020

    • Author(s)
      佐橋玄記・森田健太郎
    • Organizer
      日本水産学会
    • Data Source
      KAKENHI-PROJECT-17K12839
  • [Presentation] 市民参加型調査で集めた位置情報付き生物写真にデータバイアスは存在するか?2020

    • Author(s)
      佐橋玄記, 丸山緑, 有賀望, 森田健太郎, 岡本康寿, 向井徹, 水本寛基, 植田和俊, 藤井和也, 渡辺恵三, 大熊一正, 荒木仁志
    • Organizer
      日本生態学会第67回全国大会
    • Data Source
      KAKENHI-PROJECT-17K12839
  • [Presentation] Adoption of alternative migratory tactics:a view from the ultimate mechanism and threshold trait changes in a salmonid fish2019

    • Author(s)
      Genki Sahashi & Kentaro Morita
    • Organizer
      Advances in the Population Ecology of Stream Salmonids V
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K12839
  • [Presentation] 北海道南部の河川におけるサケ自然産卵の現状2019

    • Author(s)
      佐橋玄記
    • Organizer
      平成31年度日本水産学会春季大会
    • Data Source
      KAKENHI-PROJECT-17K12839
  • [Presentation] 知床半島の河川に棲むオショロコマの生活史形質 ダムの影響に関連して2019

    • Author(s)
      佐橋玄記、森田健太郎
    • Organizer
      第66回日本生態学会大会
    • Data Source
      KAKENHI-PROJECT-17K12839
  • [Presentation] 放流効果と人為選択:北海道斜里川水系におけるサクラマスの研究から2019

    • Author(s)
      佐橋玄記
    • Organizer
      マス類資源研究部会
    • Data Source
      KAKENHI-PROJECT-17K12839
  • [Presentation] 「ひとりでサケさがそ!」~ 道南の河川を歩いてみた~2018

    • Author(s)
      佐橋玄記
    • Organizer
      第40回魚類系統研究会
    • Data Source
      KAKENHI-PROJECT-17K12839
  • [Presentation] サクラマスの分布拡大と生息密度の上昇:河川環境の復元や放流とは独立して2018

    • Author(s)
      佐橋玄記、 森田健太郎、 岸大弼
    • Organizer
      日本生態学会第65回全国大会
    • Data Source
      KAKENHI-PROJECT-17K12839
  • [Presentation] 回遊すべきか、せざるべきか:サケ科魚類を用いて考える生活史多型の分岐機構2018

    • Author(s)
      佐橋玄記
    • Organizer
      日本生態学会第65回全国大会
    • Data Source
      KAKENHI-PROJECT-17K12839
  • [Presentation] 野生サケと放流サケの形態差:北海道の千歳川に回帰した親魚の比較から考える2017

    • Author(s)
      佐橋玄記、森田健太郎、西村欣也
    • Organizer
      第39回魚類系統研究会
    • Data Source
      KAKENHI-PROJECT-17K12839
  • [Presentation] Potential threat of introduced rainbow trout Oncorhynchus mykiss to native salmonids in Japan2017

    • Author(s)
      Sahashi Genki、Morita Kentaro
    • Organizer
      International Symposium on the Discovery of Formosa Landlocked Salmon's 100th Anniversary
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K12839
  • []

  • 1.  森田 健太郎 (30373468)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results

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