Koseki Yusuke

コセキユウスケ | Koseki Yusuke

Affiliation and department：
Job title： Associate Professor
Homepage URL (1)： https://www.ykoseki.net/

Research field (3)： Biodiversity and systematics , Environmental agriculture , Ecology and environmental science

Research keywords (7)： Salmonid species , Environmental DNA , Life history , Rice-fish farming , Ecosystem functioning , Biodiversity , Population dynamics

Research theme for competitive and other funds (8)：

2023 - 2026 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
2021 - 2025 Development of simultaneous multispecies genetic polymorphism analysis using environmental DNA and its application to freshwater fish metacommunity research
2020 - 2024 E mergent effects of landscape heterogeneity on life history variation and population stability
2020 - 2023 Estimating the absolute number of individuals of Lates japonicus using the CKMR method
2016 - 2018 伝統的農法『稲田養魚』の高い米魚生産性を支える生態系プロセスの科学的検証

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Papers (18)：

Jun-ichi Tsuboi, Kentaro Morita, Yusuke Koseki, Shinsuke Endo, Genki Sahashi, Daisuke Kishi, Takeshi Kikko, Daisuke Ishizaki, Masanori Nunokawa, Yoichiro Kanno. Small giants: Tributaries rescue spatially structured populations from extirpation in a highly fragmented stream. JOURNAL OF APPLIED ECOLOGY. 2022. 59. 8. 1997-2009
Yusuke Koseki. The freshwater fish fauna of Sado Island: a review of changes over 60 years, with an updated species list. International Journal of Human Culture Studies. 2021. 31. 62-67
Tsuboi J, Morita K, Koseki Y, Endo S, Sahashi G, Kishi D, Kikko T, Ishizaki D, Nunokawa M, Kanno Y. Spatial covariation of fish population vital rates in a stream network. OIKOS. 2020. 129. 6. 924-937
小関右介. 河川における魚類相モニタリングを目的とした環境DNAメタバーコーディング法の評価. 人間生活文化研究. 2019. 29. 184-187
Koseki Y, Komatsu N, Kohara M. Lime application techniques for invasive fish eradication in drained farm ponds. Nippon Suizan Gakkaishi. 2019. 85. 4. 421-428

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Books (5)：

Encyclopedia of Ichthyology
Maruzen Publishing 2018 ISBN:9784621303177
Social-Ecological Restoration in Paddy-Dominated Landscapes
Springer 2014 ISBN:9784431553298
Frontiers of Freshwater Ecology
Kyoritsu Shuppan 2012 ISBN:9784320057371
Social Behavior of Fishes Vol. 3
Kaiyu-sha 2004 ISBN:9784905930792
Ecology and Evolution of Salmonids
Bun-ichi 2004 ISBN:9784829921845

Lectures and oral presentations (37)：

A new amplicon error filtering method for environmental DNA-based population genetic research
(ESJ 71 (The 71st Annual Meeting of Ecological Society of Japan) 2024)
A novel amplicon filtering approach for environmental DNA-based haplotype analysis
(The 6th Annual Meeting of The eDNA Society 2023)
Environmental DNA metabarcoding of stream fish communities across the Sado Island
(ESJ 67 (The 67st Annual Meeting of Ecological Society of Japan) 2020)
佐渡島で環境DNAメタバーコーディングやってみた! 〜全島スケールの河川魚類群集構造の理解に向けて〜
(第41回魚類系統研究会 2019)
米魚同時栽培水田における水界食物網構造と物質フロー
(第66回日本生態学会大会 2019)

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Education (2)：

1996 - 2001 Hokkaido University School of Agriculture
1992 - 1996 Shinshu University Faculty of Science

Professional career (3)：

博士(農学) (北海道大学大学院)
修士(農学) (北海道大学大学院)
学士(理学) (信州大学)

Work history (14)：

2024/04 - 現在 Otsuma Women's University Graduate School Graduate School of Studies in Human Culture Studies in Human Life Sciences Associate Professor
2015/04 - 現在 Department of Life Design, Faculty of Home Economics, Otsuma Women’s University Associate Professor
2014/04 - 2015/03 Agricultural Administration Department, Nagano Prefectural Government Chief
2013/04 - 2014/03 Agricultural Administration Department, Nagano Prefectural Government Technician
2009/04 - 2013/03 Saku Branch, Nagano Prefectural Fisheries Experimental Station Technician

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Committee career (4)：

2024/03 - 現在長野県水産試験場研究成果報告会外部評価委員
2018/04 - 現在国立研究開発法人中央水産研究所水産庁事業検討委員
2017/01 - 現在日本魚類学会男女共同参画委員
2018/04 - 2023/03 国立研究開発法人水産研究・教育機構水産技術研究所水産庁受託事業検討委員

Awards (1)：

2002/03 - The 49th Ecological Society of Japan Meeting Poster Presentation Prize Intrasexual competition and mate choice in male minnow

Association Membership(s) (3)：

THE ICHTHYOLOGICAL SOCIETY OF JAPAN , THE ECOLOGICAL SOCIETY OF JAPAN , The eDNA Society

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