Hasegawa Koh 長谷川功

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HASEGAWA Koh 長谷川功

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Researcher Number	00603325
Other IDs
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), グループ長
Affiliation (based on the past Project Information) *help	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), グループ長 2021 – 2023: 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 2020: 国立研究開発法人水産研究・教育機構, 水研機構(札幌), 主任研究員 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, 主任研究員 2016 – 2017: 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, 研究員 … More 2014: 独立行政法人水産総合研究センター, その他部局等, 研究員 2014: 独立行政法人水産総合研究センター, 北海道区水産研究所さけます資源部繁殖保全グループ, 研究員 2012 – 2013: 独立行政法人水産総合研究センター, 北海道区水産研究所, 研究員 Less
Review Section/Research Field	Principal Investigator Basic Section 40030:Aquatic bioproduction science-related / Aquatic bioproduction science / General fisheries Except Principal Investigator Basic Section 40030:Aquatic bioproduction science-related / 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
Keywords	Principal Investigator 種間競争 / 放流魚 / 野生魚 / さけます / 外来種 / サケ科魚類 / 密度依存型競争 / 生態系 / 生物間相互作用 / 人工ふ化放流事業 … More / サクラマス / イワナ / ギルド内捕食 / ボトムアップ効果 / 放流種苗 / 食うー食われるの関係 / 脂肪酸 / 外来魚 / 消費型競争 / 干渉型競争 / 種苗放流 / 食物連鎖 / 捕食－被食関係 / 捕食ー被食関係 / 密度依存 / 捕食 / 競争 / 交雑 / 種間関係 / 外来サケ科魚類 / 競争排除 / ニジマス / ブラウントラウト / 外来種問題 … More Except Principal Investigator 地球温暖化 / サケ科魚類 / 水温 / テロメア / 側線系 / 継代飼育魚 / 野生魚 / 側線 / サクラマス / 感丘 / 養殖 / 成長 / 回避行動 / 行動実験 / 飼育 / サケ科 / ブラウントラウト / テレメトリー / 栄養状態 / 被食 / 採餌効率 / 捕食・被食関係 / 外来サケ科 / ふ化放流 / サケ稚魚 Less

水温上昇によるテロメア長と寿命への影響：サクラマスをモデルとした温暖化リスク評価
- Principal Investigator
  
  山本俊昭
- Project Period (FY)
  2025 – 2028
- 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
  Nippon Veterinary and Life Science University
サクラマスの放流種苗が河川生態系へ与える影響の解明Principal Investigator
- Principal Investigator
  
  長谷川功
- Project Period (FY)
  2021 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 40030:Aquatic bioproduction science-related
- Research Institution
  Fisheries Research and Education Agency
Aggregation pattern of large salmonids to the release site of chum salmon fry
- Principal Investigator
  
  Honda Kentaro
- Project Period (FY)
  2019 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 40030:Aquatic bioproduction science-related
- Research Institution
  Fisheries Research and Education Agency
Are captive-bred cherry salmon with degenerated lateral line systems at a survival disadvantage?
- Principal Investigator
  
  Nakae Masanori
- Project Period (FY)
  2019 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 40030:Aquatic bioproduction science-related
- Research Institution
  National Museum of Nature and Science, Tokyo
Mitigating competitive interaction between hatchery and wild salmonid species by visual barriersPrincipal Investigator
- Principal Investigator
  
  Hasegawa Koh
- Project Period (FY)
  2016 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Aquatic bioproduction science
- Research Institution
  Fisheries Research and Education Agency
The role of interspecific competition between nonnative fishes on successful establishment of nonnative fishPrincipal Investigator
- Principal Investigator
  
  HASEGAWA Koh
- Project Period (FY)
  2012 – 2014
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  General fisheries
- Research Institution
  Fisheries Research Agency

All 2024 2023 2022 2021 2020 2019 2018 2017 2016 2014 2013 2012 Other

All Journal Article Presentation Book

[Book] サケ学大全2013
- Author(s)
  長谷川功
- Total Pages
  296
- Publisher
  北海道大学出版会
- Data Source
  KAKENHI-PROJECT-24780196
[Journal Article] DHA and EPA levels in a piscivorous fish changed by preying upon stocked salmon fry2023
- Author(s)
  Hasegawa K, Yano Y, Honda K & Ogura Y
- Journal Title
  
  Scientific Reports
  
  Volume: 13 Issue: 1 Pages: 15278-15278
- DOI
  10.1038/s41598-023-42530-2
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-21K05760
[Journal Article] Piscivorous brown trout Salmo trutta does not migrate from distant downstream habitats to a massive release site for chum salmon Oncorhynchus keta fry in the Chitose River, northern Japan2023
- Author(s)
  Honda Kentaro、Hasegawa Koh、Ono Ikuo、Miyashita Kazushi
- Journal Title
  
  Environmental Biology of Fishes
  
  Volume: 106 Issue: 4 Pages: 707-715
- DOI
  10.1007/s10641-023-01402-4
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K06197
[Journal Article] Effects of domestication and captive breeding on reaction to moving objects: implications for avoidance behaviours of masu salmon <i>Oncorhynchus masou</i>2023
- Author(s)
  Hasegawa Koh、Nakae Masanori、Miyamoto Kouta
- Journal Title
  
  Royal Society Open Science
  
  Volume: 10 Issue: 4 Pages: 1-9
- DOI
  10.1098/rsos.230045
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19K06214
[Journal Article] Domestication of captive-bred masu salmon Oncorhynchus masou masou (Salmonidae) leads to a significant decrease in numbers of lateral line organs2022
- Author(s)
  Nakae Masanori、Hasegawa Koh、Miyamoto Kouta
- Journal Title
  
  Scientific Reports
  
  Volume: 12 Issue: 1 Pages: 1-7
- DOI
  10.1038/s41598-022-21195-3
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19K06214
[Journal Article] A management proposal for red-list species existing as native and non-native species in different areas of the same administrative region: a case study of masu salmon in the Chitose River, Hokkaido2022
- Author(s)
  長谷川功・福井翔
- Journal Title
  
  Japanese Journal of Ichthyology
  
  Volume: 69 Issue: 1 Pages: 63-68
- DOI
  10.11369/jji.21-026
- NAID
  130008127465
- ISSN
  0021-5090, 1884-7374
- Year and Date
  2022-04-25
- Language
  Japanese
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21K05760
[Journal Article] Pulsed supplies of small fish facilitate time-limited intraguild predation in salmon-stocked streams2022
- Author(s)
  Hasegawa K & Fukui S
- Journal Title
  
  Royal Society Open Science
  
  Volume: 9 Issue: 9 Pages: 220127-220127
- DOI
  10.1098/rsos.220127
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-21K05760
[Journal Article] Small biased body size of salmon fry preyed upon by piscivorous fish in riverine and marine habitats2021
- Author(s)
  K Hasegawa, K Honda, T Yoshiyama, K Suzuki & S Fukui
- Journal Title
  
  Canadian Journal of Fisheries and Aquatic Science
  
  Volume: online first Issue: 5 Pages: 631-638
- DOI
  10.1139/cjfas-2020-0339
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-16K07857, KAKENHI-PROJECT-19K06197
[Journal Article] The lateral line system and its innervation in the masu salmon Oncorhynchus masou masou (Salmonidae)2021
- Author(s)
  Nakae Masanori、Hasegawa Koh
- Journal Title
  
  Ichthyological Research
  
  Volume: - Issue: 3 Pages: 362-371
- DOI
  10.1007/s10228-021-00843-0
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K06214
[Journal Article] A proposal for the comprehensive management of masu salmon <i>Oncorhynchus masou masou</i>, a resource fish for coastal commercial fisheries and inland leisure fishing2020
- Author(s)
  長谷川功・北西滋・宮本幸太・玉手剛・野村幸司・高木優也
- Journal Title
  
  NIPPON SUISAN GAKKAISHI
  
  Volume: 86 Issue: 1 Pages: 2-8
- DOI
  10.2331/suisan.19-00028
- NAID
  130007796495
- ISSN
  0021-5392, 1349-998X
- Year and Date
  2020-01-15
- Language
  Japanese
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-16K07857
[Journal Article] Invasions of rainbow trout and brown trout in Japan: A comparison of invasiveness and impact on native species2020
- Author(s)
  Hasegawa, K.
- Journal Title
  
  Ecology of Freshwater Fish
  
  Volume: early view Issue: 3 Pages: 419-428
- DOI
  10.1111/eff.12534
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-16K07857
[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] Wild masu salmon is outcompeted by hatchery masu salmon, a native invader, rather than brown trout, a nonnative invader2018
- Author(s)
  Koh Hasegawa & Ayumi Nakashima
- Journal Title
  
  Biological Invasions
  
  Volume: 20 Issue: 11 Pages: 3161-3166
- DOI
  10.1007/s10530-018-1765-5
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K07857
[Journal Article] Are hatchery chum salmon fry a native invader? Direct and indirect effects of stocking salmon fry on stream organisms2018
- Author(s)
  Hasegawa, K., Ohta, T. & Takahashi, S
- Journal Title
  
  Hydrobiologia
  
  Volume: 806 Issue: 1 Pages: 111-121
- DOI
  10.1007/s10750-017-3344-7
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K07857
[Journal Article] Population densities of masu salmon and white-spotted charr in the tributaries of Shiribetsu River, southwestern Hokkaido, Japan2018
- Author(s)
  長谷川功
- Journal Title
  
  NIPPON SUISAN GAKKAISHI
  
  Volume: 84 Issue: 4 Pages: 728-730
- DOI
  10.2331/suisan.18-00001
- NAID
  130007472680
- ISSN
  0021-5392, 1349-998X
- Year and Date
  2018-07-15
- Language
  Japanese
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K07857
[Journal Article] Displacement of native white-spotted charr by nonnative brown trout after resolution of habitat fragmentation by a migration barrier2017
- Author(s)
  Koh Hasegawa
- Journal Title
  
  Journal of Fish Biology
  
  Volume: 90 Issue: 6 Pages: 2475-2479
- DOI
  10.1111/jfb.13320
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K07857
[Journal Article] Density-dependent effects of nonnative brown trout on the species-area relationship in stream fish assemblages2017
- Author(s)
  Hasegawa Koh, Mori Terutaka and Yamazaki Chitose
- Journal Title
  
  Journal of Fish Biology
  
  Volume: 90 Issue: 1 Pages: 370-383
- DOI
  10.1111/jfb.13185
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-14J09569, KAKENHI-PROJECT-16K07857
[Journal Article] Escape of cultured coho salmon into a stream, coastal Iwate Prefecture, Japan2017
- Author(s)
  佐々木系・長谷川功・八谷三和
- Journal Title
  
  NIPPON SUISAN GAKKAISHI
  
  Volume: 83 Issue: 6 Pages: 1005-1007
- DOI
  10.2331/suisan.17-00012
- NAID
  130006267679
- ISSN
  0021-5392, 1349-998X
- Language
  Japanese
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K07857
[Journal Article] The density dependent interspecific competition between nonnative salmonids, rainbow trout and brown trout2016
- Author(s)
  Hasegawa K
- Journal Title
  
  Environmental Biology of Fishes
  
  Volume: 99 Issue: 4 Pages: 433-438
- DOI
  10.1007/s10641-016-0484-y
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K07857
[Journal Article] Comparisons of growth of chum salmon fry released into rivers of which temperature and prey abundance conditions were different2016
- Author(s)
  高橋悟・長谷川功・伊藤洋満・伴真俊・宮内康行
- Journal Title
  
  NIPPON SUISAN GAKKAISHI
  
  Volume: 82 Issue: 4 Pages: 559-568
- DOI
  10.2331/suisan.15-00032
- NAID
  130005406791
- ISSN
  0021-5392, 1349-998X
- Language
  Japanese
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K07857
[Journal Article] Census and effective population sizes of white-spotted charr (Salvelinus leucomaenis) in a fragmented landscape2016
- Author(s)
  Shoichiro Yamamoto, Hitoshi Kubota, Koh Hasegawa, Tomoyuki Nakamura
- Journal Title
  
  Ecology of Freshwater Fish
  
  Volume: 25 Issue: 4 Pages: 612-621
- DOI
  10.1111/eff.12239
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-25450290, KAKENHI-PROJECT-16K07857, KAKENHI-PROJECT-16K07884
[Journal Article] Replacement of nonnative rainbow trout by nonnative brown trout in the Chitose river system, Hokkaido, northern Japan.2014
- Author(s)
  Hasegawa, K., Ishiyama, N. & Kawai, H.
- Journal Title
  
  Ａｑｕａｔｉｃ　Ｉｎｖａｓｉｏｎｓ
  
  Volume: 9 Issue: 2 Pages: 221-226
- DOI
  10.3391/ai.2014.9.2.11
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-24780196
[Journal Article] Distinguishing local growth from immigration-based size shifts for juvenile chum salmon communities in coastal Hokkaido, northern Japan.2013
- Author(s)
  Hasegawa, K., Sato, T. & Sasaki, K.
- Journal Title
  
  Fisheries Science
  
  Volume: 79 Issue: 4 Pages: 611-616
- DOI
  10.1007/s12562-013-0631-8
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24780196
[Journal Article] 外来サケ科魚類の生態学～ブラウントラウトの定着要因と在来種及び生物多様性への影響～2013
- Author(s)
  長谷川功
- Journal Title
  
  日本水産学会誌
  
  Volume: 79 Pages: 630-633
- NAID
  10031178456
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24780196
[Journal Article] The relationship between the snowmelt flood and the establishment of non-native brown trout (Salmo trutta) in streams of the Chitose River, Hokkaido, northern Japan.2013
- Author(s)
  Kawai, H., Ishiyama, N., Hasegawa, K. and Nakamura, F.
- Journal Title
  
  Ecology of Freshwater Fish
  
  Volume: 22 Issue: 4 Pages: 645-653
- DOI
  10.1111/eff.12069
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23248021, KAKENHI-PROJECT-24780196
[Journal Article] Micro-scale environments along the seaward migration route of stocked chum salmon fry.2013
- Author(s)
  Hasegawa, K. & Takahashi, S.
- Journal Title
  
  Transactions of the American Fisheries Society
  
  Volume: 142 Issue: 5 Pages: 1232-1237
- DOI
  10.1080/00028487.2013.804006
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24780196
[Journal Article] 人工ふ化放流河川におけるサケの成熟年齢・サイズの野生魚－放流魚間比較2013
- Author(s)
  長谷川功・森田健太郎・岡本康孝・大熊一正
- Journal Title
  
  日本水産学会誌
  
  Volume: 79 Pages: 657-665
- NAID
  10031178460
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24780196
[Journal Article] Do small tributaries function as refuges from flooding? A test in a salmonid dominated mountainous river.2012
- Author(s)
  I Koizumi, K Hasegawa & D Kishi
- Journal Title
  
  Ecology of Freshwater Fish
  
  Volume: 21 Issue: 2 Pages: 165-167
- DOI
  10.1111/j.1600-0633.2011.00539.x
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24780196
[Journal Article] Evidence that an ontogenetic niche shift by native masu salmon facilitates invasion by nonnative brown trout.2012
- Author(s)
  K Hasegawa, C Yamazaki, K Ohkuma & M Ban
- Journal Title
  
  Biological Invasions
  
  Volume: 14 Issue: 10 Pages: 2049-2056
- DOI
  10.1007/s10530-012-0211-3
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24780196
[Journal Article] Food habits of introduced brown trout and native masu salmon are influenced by seasonal and locational prey availability2012
- Author(s)
  Koh Hasegawa, Chitose Yamazaki, Tamihisa Ohta and Kazumasa Ohkuma
- Journal Title
  
  Fishery Sciences
  
  Volume: 78 Issue: 6 Pages: 1163-1171
- DOI
  10.1007/s12562-012-0554-9
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-12J07244, KAKENHI-PROJECT-24780196
[Presentation] ボトムアップ効果の生理学：種苗放流後に観察された魚食性魚類のDHA・EPA含量の変化2024
- Author(s)
  長谷川功、矢野豊、本多健太郎、小倉裕平
- Organizer
  日本生態学会
- Data Source
  KAKENHI-PROJECT-21K05760
[Presentation] 家魚化と学習機会の喪失によって回避行動は鈍化する2023
- Author(s)
  長谷川　功・中江雅典・宮本幸太
- Organizer
  第70回日本生態学会大会
- Data Source
  KAKENHI-PROJECT-19K06214
[Presentation] サケ稚魚の放流はブラウントラウトを肥やすか？2023
- Author(s)
  本多健太郎・長谷川功・小倉裕平・矢野豊・伴真俊
- Organizer
  2023年度魚類学会年会
- Data Source
  KAKENHI-PROJECT-19K06197
[Presentation] Sustaining a native white-spotted charr population through removal of nonnative brown trout2023
- Author(s)
  Hasegawa K
- Organizer
  10th International Charr Symposium
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K05760
[Presentation] サケ稚魚の放流はブラウントラウトを肥やすか？（速報）2022
- Author(s)
  本多健太郎、長谷川功、小倉裕平、矢野豊、伴真俊
- Organizer
  第43回魚類系統研究会
- Data Source
  KAKENHI-PROJECT-19K06197
[Presentation] サクラマスにおける成長と側線系の関係は由来によって異なる2022
- Author(s)
  中江雅典・長谷川　功・宮本幸太・佐藤真央
- Organizer
  2022年度日本魚類学会年会
- Data Source
  KAKENHI-PROJECT-19K06214
[Presentation] Piscivorous brown trout does not aggregate at a massive release site for chum salmon fry2022
- Author(s)
  Honda Kentaro、Hasegawa Koh、Ono Ikuo、Miyashita Kazushi
- Organizer
  IYS Synthesis Symposium
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K06197
[Presentation] さけます放流種苗のパルス的供給によって生じた一時的なギルド内捕食2022
- Author(s)
  長谷川功・福井翔
- Organizer
  日本生態学会
- Data Source
  KAKENHI-PROJECT-21K05760
[Presentation] ブラウントラウトはサケ稚魚放流地点に集まるのか？2021
- Author(s)
  本多健太郎・長谷川功・小野郁夫・宮下和士
- Organizer
  第42回魚類系統研究会
- Data Source
  KAKENHI-PROJECT-19K06197
[Presentation] 放流種苗がもたらすボトムアップ効果：サクラマス稚魚の捕食を通じたイワナの成長促進2021
- Author(s)
  長谷川功、福井翔
- Organizer
  日本水産学会春季大会
- Data Source
  KAKENHI-PROJECT-16K07857
[Presentation] 継代飼育と飼育環境がサクラマスの捕食者回避行動に与える影響2021
- Author(s)
  中江雅典・長谷川　功
- Organizer
  2021年度日本魚類学会年会
- Data Source
  KAKENHI-PROJECT-19K06214
[Presentation] 河川と沿岸域で魚類に捕食されたさけます放流種苗の体サイズ組成2021
- Author(s)
  長谷川功、本多健太郎、芳山拓、鈴木健吾、福井翔
- Organizer
  日本水産学会春季大会
- Data Source
  KAKENHI-PROJECT-16K07857
[Presentation] 河川と沿岸域で魚類に捕食されたさけます放流種苗の体サイズ組成2021
- Author(s)
  長谷川功・本多健太郎・芳山拓・鈴木健吾・福井翔
- Organizer
  日本水産学会春季大会（web）
- Data Source
  KAKENHI-PROJECT-19K06197
[Presentation] ブラウントラウトはサケ稚魚放流地点に集まるのか？2021
- Author(s)
  本多健太郎、長谷川功、小野郁夫、宮下和士
- Organizer
  日本水産学会春季大会
- Data Source
  KAKENHI-PROJECT-16K07857
[Presentation] 河川と沿岸で魚類に捕食されたサケ科稚魚の体サイズ組成2020
- Author(s)
  長谷川功・本多健太郎・芳山拓・鈴木健吾・福井翔
- Organizer
  魚類学会web大会
- Data Source
  KAKENHI-PROJECT-19K06197
[Presentation] サクラマスの家魚化に伴う模擬捕食者に対する回避行動の変化（予報）2020
- Author(s)
  中江雅典・長谷川功・宮本幸太
- Organizer
  2020年度日本魚類学会年会
- Data Source
  KAKENHI-PROJECT-19K06214
[Presentation] 河川と沿岸域で魚類に捕食されたサケ科稚魚の体サイズ組成2020
- Author(s)
  長谷川功、本多健太郎、芳山拓、鈴木健吾、福井翔
- Organizer
  日本魚類学会
- Data Source
  KAKENHI-PROJECT-16K07857
[Presentation] Brown trout invasion in Japan: Comparison of their invasiveness from rainbow trout2019
- Author(s)
  Hasegawa, K.
- Organizer
  Advances in the Population Ecology of Stream Salmonids
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K07857
[Presentation] 河川性サケ科魚類における温度依存的な種間競争：野外実験による検証2019
- Author(s)
  大槻泰彦・Johan Watz・長塚健汰・長谷川功・小泉逸郎
- Organizer
  日本生態学会
- Data Source
  KAKENHI-PROJECT-16K07857
[Presentation] Oncorhynchus masou masouの分布に影響する人為的要因2019
- Author(s)
  長谷川功
- Organizer
  日本水産学会
- Data Source
  KAKENHI-PROJECT-16K07857
[Presentation] 尻別川支流におけるサクラマス（ヤマメ）とイワナの分布様式～ふ化放流事業と外来種問題の観点からの考察2018
- Author(s)
  長谷川功
- Organizer
  日本水産学会
- Data Source
  KAKENHI-PROJECT-16K07857
[Presentation] 降海後のサケ放流魚に対するイワナによる捕食2018
- Author(s)
  長谷川功・鈴木健吾・吉野州正・芳山拓
- Organizer
  日本魚類学会
- Data Source
  KAKENHI-PROJECT-16K07857
[Presentation] 競争を通じたサクラマス野生魚への影響は外来種よりも同種放流魚の方が大きい2018
- Author(s)
  長谷川功・中島歩
- Organizer
  日本生態学会
- Data Source
  KAKENHI-PROJECT-16K07857
[Presentation] Wild masu salmon is outcompeted by hatchery masu salmon rather than nonnative brown trout2018
- Author(s)
  Koh Hasegawa & Ayumi Nakashima
- Organizer
  Ecology and Evolutionary Ethology of Fishes
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K07857
[Presentation] サケ稚魚放流が河川生態系に与える影響－Ⅰ　サケ放流魚とサクラマス野生魚の種間競争2017
- Author(s)
  長谷川功・太田民久・高橋悟
- Organizer
  日本水産学会春季大会
- Place of Presentation
  東京海洋大学
- Year and Date
  2017-03-26
- Data Source
  KAKENHI-PROJECT-16K07857
[Presentation] サケ稚魚放流が河川生態系に与える影響－Ⅱ　水生昆虫の捕食を介した藻類へのトップダウン効果2017
- Author(s)
  長谷川功・太田民久・高橋悟
- Organizer
  日本水産学会春季大会
- Place of Presentation
  東京海洋大学
- Year and Date
  2017-03-26
- Data Source
  KAKENHI-PROJECT-16K07857
[Presentation] Lower growth of hatchery masu salmon fry compared with wild conspecifics in a stocked stream: Is it caused by high fish density or hatchery fish-specific traits?2017
- Author(s)
  Koh Hasegawa & Kazumasa Ohkuma
- Organizer
  International Symposium on the Discovery of Formosa Landlocked Salmon's 100th Anniversary
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K07857
[Presentation] サクラマス放流種苗で観察された顕著な低成長－密度依存型競争に着目した原因考察2017
- Author(s)
  長谷川功・大熊一正
- Organizer
  日本生態学会
- Place of Presentation
  早稲田大学
- Year and Date
  2017-03-14
- Data Source
  KAKENHI-PROJECT-16K07857
[Presentation] 岩手県沿岸河川への養殖ギンザケ種苗の逸出2017
- Author(s)
  佐々木系・長谷川功・八谷三和
- Organizer
  日本水産学会春季大会
- Place of Presentation
  東京海洋大学
- Year and Date
  2017-03-26
- Data Source
  KAKENHI-PROJECT-16K07857
[Presentation] 北海道から本州に飛び火したブラウントラウト問題～定着メカニズムと生物多様性への影響を知るための今後の課題2017
- Author(s)
  長谷川功
- Organizer
  日本魚類学会
- Data Source
  KAKENHI-PROJECT-16K07857
[Presentation] サケ科魚類3種カラフトマスOncorhynchus gorbuscha, サクラマスO. masou masouおよびサケO. ketaの側線系2016
- Author(s)
  中江雅典・長谷川功
- Organizer
  日本魚類学会
- Place of Presentation
  岐阜大学
- Year and Date
  2016-09-23
- Data Source
  KAKENHI-PROJECT-16K07857
[Presentation] 札幌市内琴似発寒川でのサケの産卵場所と産卵期間2014
- Author(s)
  長谷川功・佐藤俊平
- Organizer
  日本水産学会春季大会
- Place of Presentation
  北海道函館市
- Data Source
  KAKENHI-PROJECT-24780196
[Presentation] サケ稚魚放流が河川生態系に与える影響2014
- Author(s)
  長谷川功・太田民久
- Organizer
  日本生態学会
- Place of Presentation
  広島県広島市
- Data Source
  KAKENHI-PROJECT-24780196
[Presentation] 外来種ブラウントラウトが魚類群集に与える影響：種数-面積の関係に着目して2013
- Author(s)
  長谷川功・森照貴・山﨑千登勢
- Organizer
  日本生態学会
- Place of Presentation
  静岡県コンベンションツアーセンター（静岡市）
- Data Source
  KAKENHI-PROJECT-24780196
[Presentation] 外来サケ科魚類の侵入に関わる生態学研究2013
- Author(s)
  長谷川功
- Organizer
  日本水産学会
- Place of Presentation
  東京海洋大学（東京都）
- Invited
- Data Source
  KAKENHI-PROJECT-24780196
[Presentation] 消えたニジマス～千歳川水系で起きた外来種ニジマスから外来種ブラウントラウトへの置換現象～2013
- Author(s)
  長谷川功・川合英之・石山信雄
- Organizer
  日本魚類学会
- Place of Presentation
  宮崎県宮崎市
- Data Source
  KAKENHI-PROJECT-24780196
[Presentation] 人工ふ化放流河川におけるサケの成熟年齢・サイズの野生魚－放流魚間比較2013
- Author(s)
  長谷川功・森田健太郎・岡本康孝・大熊一正
- Organizer
  日本水産学会
- Place of Presentation
  東京海洋大学（東京都）
- Data Source
  KAKENHI-PROJECT-24780196
[Presentation] Effects of nonnative brown trout on fish assemblages by altering species-area relationship in Mamachi stream, Hokkaido, Northern Japan.2013
- Author(s)
  Hasegawa, K., Mori, T. & Yamazaki, C.
- Organizer
  SIL 32th congress
- Place of Presentation
  Budapest, Hungary
- Data Source
  KAKENHI-PROJECT-24780196
[Presentation] 放流されたサケ稚魚は、いつ、どこを通って川を下るのか？2012
- Author(s)
  長谷川功・高橋悟
- Organizer
  日本魚類学会
- Place of Presentation
  水産大学校（下関市）
- Data Source
  KAKENHI-PROJECT-24780196
[Presentation] 外来種の定着に対する外来種間の種間競争の影響～ニジマスとブラウントラウトの場合～
- Author(s)
  長谷川功
- Organizer
  日本生態学会
- Place of Presentation
  鹿児島市
- Year and Date
  2015-03-18 – 2015-03-22
- Data Source
  KAKENHI-PROJECT-24780196
[Presentation] 河川分断化解消後に侵入を始めた外来種ブラウントラウトが在来種アメマスを駆逐した事例報告
- Author(s)
  長谷川功
- Organizer
  日本水産学会
- Place of Presentation
  東京都
- Year and Date
  2015-03-27 – 2015-03-31
- Data Source
  KAKENHI-PROJECT-24780196
[Presentation] サケ科魚類における外来魚問題～北海道と本州の比較～
- Author(s)
  長谷川功・坪井潤一・長瀬崇
- Organizer
  日本魚類学会公開シンポジウム
- Place of Presentation
  小田原市
- Year and Date
  2014-11-14 – 2014-11-17
- Invited
- Data Source
  KAKENHI-PROJECT-24780196

1. Honda Kentaro (00720707)

# of Collaborated Projects: 1 results

# of Collaborated Products: 7 results
2. Nakae Masanori (30462807)

# of Collaborated Projects: 1 results

# of Collaborated Products: 7 results
3. 佐々木邦夫 (10215717)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. 山本俊昭 (30409255)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. 佐藤正人 (70535020)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. 北西滋 (90552456)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. YAMAMOTO Shoichiro

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
8. 中村太士

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

Hasegawa Koh 長谷川 功

HASEGAWA Koh 長谷川 功

Research Projects

Research Products

Co-Researchers

水温上昇によるテロメア長と寿命への影響：サクラマスをモデルとした温暖化リスク評価

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サクラマスの放流種苗が河川生態系へ与える影響の解明Principal Investigator

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Aggregation pattern of large salmonids to the release site of chum salmon fry

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Are captive-bred cherry salmon with degenerated lateral line systems at a survival disadvantage?

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Mitigating competitive interaction between hatchery and wild salmonid species by visual barriersPrincipal Investigator

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The role of interspecific competition between nonnative fishes on successful establishment of nonnative fishPrincipal Investigator

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[Book] サケ学大全2013

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[Journal Article] DHA and EPA levels in a piscivorous fish changed by preying upon stocked salmon fry2023

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[Journal Article] Piscivorous brown trout Salmo trutta does not migrate from distant downstream habitats to a massive release site for chum salmon Oncorhynchus keta fry in the Chitose River, northern Japan2023

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[Journal Article] Effects of domestication and captive breeding on reaction to moving objects: implications for avoidance behaviours of masu salmon <i>Oncorhynchus masou</i>2023

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[Journal Article] Domestication of captive-bred masu salmon Oncorhynchus masou masou (Salmonidae) leads to a significant decrease in numbers of lateral line organs2022

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[Journal Article] A management proposal for red-list species existing as native and non-native species in different areas of the same administrative region: a case study of masu salmon in the Chitose River, Hokkaido2022

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[Journal Article] Pulsed supplies of small fish facilitate time-limited intraguild predation in salmon-stocked streams2022

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Hasegawa Koh 長谷川功

HASEGAWA Koh 長谷川功