Akita Tetsuya 秋田鉄也

Researcher Number	60625507
Other IDs	https://orcid.org/0000-0003-4940-886X
Affiliation (Current)	2026: 国立研究開発法人水産研究・教育機構, 水産資源研究所(横浜), グループ長
Affiliation (based on the past Project Information) *help	2026: 国立研究開発法人水産研究・教育機構, 水産資源研究所(横浜), グループ長 2021 – 2025: 国立研究開発法人水産研究・教育機構, 水産資源研究所(横浜), 主任研究員 2020 – 2021: 国立研究開発法人水産研究・教育機構, 水産資源研究所(横浜), 研究員 2020: 国立研究開発法人水産研究・教育機構, 水研機構(横浜), 研究員 2019: 国立研究開発法人水産研究・教育機構, 中央水産研究所, 研究員
Review Section/Research Field	Principal Investigator Basic Section 45040:Ecology and environment-related Except Principal Investigator Basic Section 39060:Conservation of biological resources-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 / Medium-sized Section 45:Biology at organismal to population levels and anthropology, and related fields
Keywords	Principal Investigator 機械学習 / 集団遺伝学 / 家系生態学 / 有効集団サイズ / 個体数推定 / 半いとこ関係 / IBDセグメント / 家系再構築 / III型生存曲線 / 近親判別 … More / 人口学的確率性 / CKMR / 近親標識再捕法 / 遺伝子マーカー / 繁殖生態 / 近親標識法 / 家系分析 / 有効繁殖回数 / 遺伝学的集団構造 / 不偏推定量 / 移動率推定 / 有効繁殖サイズ / ランダムフォレスト / 集団構造 / 近親関係 … More Except Principal Investigator 環境DNA / 個体数推定 / 加入個体数 / 有効繁殖サイズ / 保全 / 希少海産魚 / 血縁関係推定 / 局所個体群 / バイオテレメトリー / 全ゲノムリシーケンス / 移住率 / 局所集団 / アカメ / ゲノミクス / CKMR / 近親関係 / 遺伝的多様性 / 景観 / 生息地の連続性 / 森林－河川生態系 / ポートフォリオ効果 / ゲノム / 生活史 / 森林－河川 / 生活史多様性 / SNP / 家系分析 / カワマス / ポートフォリオ Less

Developing a conservation framework for rare marine fish focusing on recruitment variability and spatial constraints of spawning and nursery habitats
- Principal Investigator
  
  中山耕至
- Project Period (FY)
  2026 – 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
  Kyoto University
Monitoring population fluctuations of the endangered Ryukyu-ayu enabled by DNA Analyses
- Principal Investigator
  
  武島弘彦
- Project Period (FY)
  2025 – 2029
- 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
  Fukui Prefectural Satoyama-Satoumi Research Institute
希少海産魚アカメの局所個体群は孤立化していないか―「現在」の移住率を血縁から探る
- Principal Investigator
  
  中山耕至
- Project Period (FY)
  2024 – 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
  Kyoto University
Ecological inference in the recent past based on kinship assignmentPrincipal Investigator
- Principal Investigator
  
  秋田鉄也
- Project Period (FY)
  2023 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 45040:Ecology and environment-related
- Research Institution
  Fisheries Research and Education Agency
E mergent effects of landscape heterogeneity on life history variation and population stability
- Principal Investigator
  
  Sato Takuya
- Project Period (FY)
  2020 – 2023
- Research Category
  
  Fund for the Promotion of Joint International Research (Fostering Joint International Research (B))
- Review Section
  
  Medium-sized Section 45:Biology at organismal to population levels and anthropology, and related fields
- Research Institution
  Kyoto University
  Kobe University
Estimating the absolute number of individuals of Lates japonicus using the CKMR method
- Principal Investigator
  
  Takahashi Hiroshi
- Project Period (FY)
  2020 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 39060:Conservation of biological resources-related
- Research Institution
  Fisheries Research and Education Agency
Ecological inference based on kinship assignmentPrincipal Investigator
- Principal Investigator
  
  Akita Tetsuya
- Project Period (FY)
  2019 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 45040:Ecology and environment-related
- Research Institution
  Fisheries Research and Education Agency

All 2025 2024 2023 2022 2021 2020 2019

All Journal Article Presentation

[Journal Article] Optimal SNP filtering strategies for pedigree reconstruction: A case study with wild red‐spotted masu salmon population2025
- Author(s)
  Shohei Noda, Tetsuya Akita, Rui Ueda, Takafumi Katsumura, Yasuyuki Hashiguchi, Hirohiko Takeshima, Takuya Sato
- Journal Title
  
  Population Ecology
  
  Volume: 67 Issue: 2 Pages: 125-139
- DOI
  10.1002/1438-390x.12192
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K06191, KAKENHI-PROJECT-22KJ1954, KAKENHI-PROJECT-23K05945
[Journal Article] Preface for the special feature on “Ecological perspectives of pedigree reconstruction with genome‐wide data”2025
- Author(s)
  Akita Tetsuya、Wang Jinliang
- Journal Title
  
  Population Ecology
  
  Volume: 67 Issue: 2 Pages: 93-95
- DOI
  10.1002/1438-390x.12207
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K05945
[Journal Article] Comparison of kinship‐identification methods for robust stock assessment using close‐kin mark?recapture data for Pacific bluefin tuna2025
- Author(s)
  Tsukahara Yohei、Nakamichi Reiichiro、Matsuura Aiko、Akita Tetsuya、Fujiwara Atushi、Suzuki Nobuaki
- Journal Title
  
  Population Ecology
  
  Volume: 67 Issue: 2 Pages: 140-152
- DOI
  10.1002/1438-390x.12205
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-23K05945
[Journal Article] A theoretical framework linking the effective number of breeders to demographic stochasticity in iteroparous species2024
- Author(s)
  Akita Tetsuya
- Journal Title
  
  bioRxiv
  
  Volume: -
- DOI
  10.1101/2024.06.05.597532
- Open Access
- Data Source
  KAKENHI-PROJECT-23K05945
[Journal Article] Detailed kinship estimation for detecting bias among breeding families in a reintroduced population of the endangered bagrid catfish Tachysurus ichikawai2024
- Author(s)
  Hinano Mizuno, Kouji Nakayama, Tetsuya Akita, Yasuyuki Hashiguchi, Tomonori Osugi, Hirohiko Takeshima
- Journal Title
  
  Population Ecology
  
  Volume: online Issue: 2 Pages: 109-124
- DOI
  10.1002/1438-390x.12183
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K06191, KAKENHI-PROJECT-23K05945
[Journal Article] 家系生態学：半きょうだい関係に基づく親の個体数および生活史パラメータの推定2024
- Author(s)
  秋田鉄也
- Journal Title
  
  水産育種
  
  Volume: 53 Pages: 63-70
- Data Source
  KAKENHI-PROJECT-23K05945
[Journal Article] The detailed population genetic structure of the rare endangered latid fish akame Lates japonicus with extremely low genetic diversity revealed from single-nucleotide polymorphisms2023
- Author(s)
  Naito Takuya、Nakayama Kouji、Takeshima Hirohiko、Hashiguchi Yasuyuki、Akita Tetsuya、Yamasaki Yo Y.、Mishina Tappei、Takeshita Naohiko、Nagano Atsushi J.、Takahashi Hiroshi
- Journal Title
  
  Conservation Genetics
  
  Volume: online Issue: 4 Pages: 1-13
- DOI
  10.1007/s10592-023-01517-2
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K06191, KAKENHI-PROJECT-20H03012, KAKENHI-PROJECT-19K06862, KAKENHI-PROJECT-23K18052, KAKENHI-PROJECT-21K14919, KAKENHI-PROJECT-23K26935, KAKENHI-PLANNED-23H04967, KAKENHI-PROJECT-23K26926
[Journal Article] 家系生態学：ゲノム情報から近年の生態情報を抽出して希少種保全に貢献する2023
- Author(s)
  秋田鉄也
- Journal Title
  
  Jxiv
  
  Volume: - Pages: 1-18
- Open Access
- Data Source
  KAKENHI-PROJECT-19K06862
[Journal Article] Estimating contemporary migration numbers of adults based on kinship relationships in iteroparous species2022
- Author(s)
  Akita Tetsuya
- Journal Title
  
  bioRxiv（プレプリント）
  
  Volume: -
- DOI
  10.1101/2022.03.09.483709
- Open Access
- Data Source
  KAKENHI-PROJECT-19K06862
[Journal Article] Estimating contemporary migration numbers of adults based on kinship relationships in iteroparous species2022
- Author(s)
  Akita Tetsuya
- Journal Title
  
  Molecular Ecology Resources
  
  Volume: 22 Issue: 8 Pages: 3006-3017
- DOI
  10.1111/1755-0998.13682
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20H03012, KAKENHI-PROJECT-19K06862
[Journal Article] Nearly unbiased estimator of contemporary Ne/N based on kinship relationships2020
- Author(s)
  Akita Tetsuya
- Journal Title
  
  Ecology and Evolution
  
  Volume: 10 Issue: 19 Pages: 10343-10352
- DOI
  10.1002/ece3.6421
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19K06862, KAKENHI-PROJECT-20H03012
[Journal Article] Nearly unbiased estimator of contemporary effective mother size using within-cohort maternal sibling pairs incorporating parental and nonparental reproductive variations2020
- Author(s)
  Akita Tetsuya
- Journal Title
  
  Heredity
  
  Volume: 124 Issue: 2 Pages: 299-312
- DOI
  10.1038/s41437-019-0271-6
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19K06862
[Journal Article] Improvement of the Pacific bluefin tuna (Thunnus orientalis) reference genome and development of male-specific DNA markers2019
- Author(s)
  Suda Ayako、Nishiki Issei、Iwasaki Yuki、Matsuura Aiko、Akita Tetsuya、Suzuki Nobuaki、Fujiwara Atushi
- Journal Title
  
  Scientific Reports
  
  Volume: 9 Issue: 1 Pages: 14450-14450
- DOI
  10.1038/s41598-019-50978-4
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19K06862
[Journal Article] Effects of environmental change and early-life stochasticity on Pacific bluefin tuna population growth2019
- Author(s)
  Ijima Hirotaka、Jusup Marko、Takada Takenori、Akita Tetsuya、Matsuda Hiroyuki、Klanjscek Tin
- Journal Title
  
  Marine Environmental Research
  
  Volume: 149 Pages: 18-26
- DOI
  10.1016/j.marenvres.2019.05.003
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K06862
[Presentation] 開放水域で希少魚の成魚個体数を調べる試みー海産大型魚アカメへのCKMR法の適用2024
- Author(s)
  内藤拓哉・中山耕至・武島弘彦・秋田鉄也・橋口康之・小関右介・髙橋洋
- Organizer
  第71回日本生態学会大会
- Data Source
  KAKENHI-PROJECT-23K26926
[Presentation] 近親標識再捕(CKMR)法を用いた資源量推定2024
- Author(s)
  秋田鉄也
- Organizer
  水産海洋学会地域研究集会第7回海と漁業と生態系に関する研究集会
- Invited
- Data Source
  KAKENHI-PROJECT-23K05945
[Presentation] 野生水産生物の「現在の」個体数を遺伝情報から探る2023
- Author(s)
  秋田鉄也
- Organizer
  令和5年度秋季大会ミニシンポジウム「野生水産生物における集団ゲノミクス」
- Invited
- Data Source
  KAKENHI-PROJECT-23K05945
[Presentation] 家系生態学：血縁関係から近年の生態情報を抽出する理論とその応用2023
- Author(s)
  秋田鉄也
- Organizer
  生態研セミナー
- Invited
- Data Source
  KAKENHI-PROJECT-23K05945
[Presentation] 遺伝的多様性の評価・モニタリングの展開と課題-ポスト2020生物多様性枠組に向けて2023
- Author(s)
  秋田鉄也
- Organizer
  第70回日本生態学会大会
- Invited
- Data Source
  KAKENHI-PROJECT-19K06862
[Presentation] 遺伝的多様性の評価・モニタリングの展開と課題-ポスト2020生物多様性枠組に向けて2023
- Author(s)
  秋田鉄也
- Organizer
  第70回日本生態学会大会
- Invited
- Data Source
  KAKENHI-PROJECT-20H03012
[Presentation] 異なる年級群の稚魚間に見出される兄弟姉妹関係に基づくアカメ成魚の個体数推定ー CKMR法の試行2023
- Author(s)
  内藤拓哉・中山耕至・武島弘彦・秋田鉄也・橋口康之・小関右介・髙橋洋
- Organizer
  2023年度日本魚類学会年会
- Data Source
  KAKENHI-PROJECT-23K26926
[Presentation] 家系生態学:ゲノム情報から近年の生態情報を抽出して希少種保全に貢献する2022
- Author(s)
  秋田鉄也
- Organizer
  令和4年度水産育種研究会定例シンポジウム
- Invited
- Data Source
  KAKENHI-PROJECT-19K06862
[Presentation] Detailed kinship estimation for detecting bias among breeding families in a reintroduced population of endangered bagrid catfish, Tachysurus Ichikawai2022
- Author(s)
  水野ひなの、中山耕至、秋田鉄也、橋口康之、大杉奉功、武島弘彦
- Organizer
  第38回個体群生態学会大会
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K06862
[Presentation] アマゴ野生集団における繁殖成功の個体間変異:ゲノムワイド家系解析からの評価2022
- Author(s)
  野田祥平(神戸大院・理), 秋田鉄也(水産機構・資源研), 武島弘彦(東海大), 佐藤拓哉(京大・生態研セ)
- Organizer
  第69回日本生態学会大会
- Data Source
  KAKENHI-PROJECT-20KK0163
[Presentation] Causes and consequences of life-history variation in wild populations: relating individual fitness to population dynamics and local adaptation using a pedigree analysis2022
- Author(s)
  野田祥平、秋田鉄也、武島弘彦、佐藤拓哉
- Organizer
  第38回個体群生態学会大会
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K06862
[Presentation] ゲノムワイドSNPを用いた家系解析手法の確立とアマゴ野生集団への適用2022
- Author(s)
  野田祥平、秋田鉄也、武島弘彦、佐藤拓哉
- Organizer
  生物多様性のDNA情報学 2022
- Data Source
  KAKENHI-PROJECT-19K06862
[Presentation] Close-kin mark-recapture method for estimating spawning stock biomass: theory and its preliminary application to Pacific bluefin tuna2022
- Author(s)
  塚原洋平、松浦愛子、秋田鉄也
- Organizer
  第38回個体群生態学会大会
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K06862
[Presentation] Causes and consequences of life-history variation in wild populations: relating individual fitness to population dynamics and local adaptation using a pedigree analysis2022
- Author(s)
  野田祥平*(京大理), 秋田鉄也(水産研究・教育機構), 武島弘彦(福井県立大), 佐藤拓哉(京大生態研セ)
- Organizer
  第38回個体群生態学会
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20KK0163
[Presentation] 家系生態学:ゲノム情報から近年の生態情報を抽出して希少種保全に貢献する2022
- Author(s)
  秋田鉄也
- Organizer
  令和4年度水産育種研究会定例シンポジウム
- Invited
- Data Source
  KAKENHI-PROJECT-20H03012
[Presentation] ダム湖の外来魚オオクチバスにおける新たな駆除効果の評価方法の開発；大規模DNA分析を用いた高精度近親関係解析による個体数推定法の適用2022
- Author(s)
  奥村健太、野原健司、井戸啓太、坂本正吾、稲川崇史、沖津二朗、松崎厚史、佐々木良浩、大杉奉功、秋田鉄也、田原大輔、武島弘彦
- Organizer
  日本緑化工学会・日本景観生態学会・応用生態工学会3学会合同大会
- Data Source
  KAKENHI-PROJECT-19K06862
[Presentation] 近親標識法による集団間の移動個体数推定2021
- Author(s)
  秋田　鉄也
- Organizer
  第37回個体生態学会大会
- Data Source
  KAKENHI-PROJECT-19K06862
[Presentation] 近親標識法による集団間の移動個体数推定2021
- Author(s)
  秋田鉄也
- Organizer
  第37回個体群生態学会大会
- Data Source
  KAKENHI-PROJECT-20H03012

1. 武島弘彦 (50573086)

# of Collaborated Projects: 5 results

# of Collaborated Products: 7 results
2. 小関右介 (00513772)

# of Collaborated Projects: 4 results

# of Collaborated Products: 2 results
3. Takahashi Hiroshi (90399650)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
4. 中山耕至 (50324661)

# of Collaborated Projects: 3 results

# of Collaborated Products: 2 results
5. 橋口康之 (70436517)

# of Collaborated Projects: 3 results

# of Collaborated Products: 5 results
6. 光永靖 (90319658)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
7. Sato Takuya (30456743)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
8. 中道礼一郎 (70401255)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. 勝村啓史 (10649544)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. 立木佑弥 (40741799)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. 印南秀樹 (90444140)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. 安房田智司 (60569002)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. 久米元 (00554263)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. 山中裕樹 (60455227)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Akita Tetsuya 秋田 鉄也

Research Projects

Research Products

Co-Researchers

Developing a conservation framework for rare marine fish focusing on recruitment variability and spatial constraints of spawning and nursery habitats

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Monitoring population fluctuations of the endangered Ryukyu-ayu enabled by DNA Analyses

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

希少海産魚アカメの局所個体群は孤立化していないか―「現在」の移住率を血縁から探る

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Ecological inference in the recent past based on kinship assignmentPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

E mergent effects of landscape heterogeneity on life history variation and population stability

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Estimating the absolute number of individuals of Lates japonicus using the CKMR method

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Ecological inference based on kinship assignmentPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

[Journal Article] Optimal SNP filtering strategies for pedigree reconstruction: A case study with wild red‐spotted masu salmon population2025

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Preface for the special feature on “Ecological perspectives of pedigree reconstruction with genome‐wide data”2025

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Comparison of kinship‐identification methods for robust stock assessment using close‐kin mark?recapture data for Pacific bluefin tuna2025

Author(s)

Journal Title

DOI

Data Source

[Journal Article] A theoretical framework linking the effective number of breeders to demographic stochasticity in iteroparous species2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Detailed kinship estimation for detecting bias among breeding families in a reintroduced population of the endangered bagrid catfish Tachysurus ichikawai2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] 家系生態学：半きょうだい関係に基づく親の個体数および生活史パラメータの推定2024

Author(s)

Journal Title

Data Source

[Journal Article] The detailed population genetic structure of the rare endangered latid fish akame Lates japonicus with extremely low genetic diversity revealed from single-nucleotide polymorphisms2023

Author(s)

Journal Title

DOI

Data Source

Akita Tetsuya 秋田鉄也

[Presentation] 開放水域で希少魚の成魚個体数を調べる試みー海産大型魚アカメへのCKMR法の適用2024

[Presentation] 異なる年級群の稚魚間に見出される兄弟姉妹関係に基づくアカメ成魚の個体数推定ー CKMR法の試行2023