Activities per year
- 29 results
Search results
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Seasonal dynamics of marine-derived material subsidy by diverse amphidromous fish species
Tanaka, R. (Speaker), Ohta, T. (Speaker) & Sato, T. (Speaker)
2025/03/16Activity: Talk or presentation › Oral presentation
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Unraveling watershed-scale population dynamics of an anadromous salmonid fish using integrated isotopic and genomic analyses
Ohta, T. (Speaker), Ida, S. (Speaker), Osada, Y. (Speaker), Iizuka, T. (Speaker), Akita, T. (Speaker), Ueda, R. (Speaker), Noda, S. (Speaker) & Sato, T. (Speaker)
2025/03/16Activity: Talk or presentation › Oral presentation
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Degradation of the connectivity between rivers, tributaries, and floodplain channels due to artificial alteration decrease the instream biodiversity
Sueyoshi, M. (Speaker), Ishiyama, N. (Speaker), Ohta, T. (Speaker) & Yonekura, R. (Speaker)
2025/03/16Activity: Talk or presentation › Oral presentation
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耳石Sr同位体比（87Sr/86Sr）分析を用いた，木曽三川におけるアユ（Plecoglossus altivelis）の生活史多様性の比較 〜河川連続性に着目して〜
白石悠貴 (Speaker), 永山滋也 (Speaker) & Ohta, T. (Speaker)
2024/12/21Activity: Talk or presentation › Oral presentation
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両側回遊性魚類の遡上個体がもつ海資源の割合の種間・種内変異
田中良輔 (Speaker), 國島大河 (Speaker), 平嶋健太郎 (Speaker), Ohta, T. (Speaker), 由水千景 (Speaker), Tayasu, I. (Speaker), Uno, H. (Speaker) & Sato, T. (Speaker)
2024/09/06 → 2024/09/09Activity: Talk or presentation › Oral presentation
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スギの地理的変異が母岩を介した物質動態に与える影響
Ohta, T. (Speaker), 小岩井愛菜 (Speaker), Azuma, W. (Speaker), 松本茉倫 (Speaker) & Hiura, T. (Speaker)
2024/03/17Activity: Talk or presentation › Oral presentation
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Microbial communities associated with nitrogen transformation in canopy soils on large cedars in Yakushima, Japan
Sueyoshi, M. (Speaker), Tatsumi, C. (Speaker), Bhatnagar, J. (Speaker), Hioki, S. (Speaker), kida, M. (Speaker), Ohta, T. (Speaker), Ishii, H. (Speaker) & Azuma, W. (Speaker)
2024/03/16Activity: Talk or presentation › Oral presentation
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新規環境への進出に伴う生活史形質の多様化：降湖型サツキマスの多様な回遊パターン
中西勇太 (Speaker), 上田るい (Speaker), 野田祥平 (Speaker), 志田岳弥 (Speaker), 岸大弼 (Speaker), Ohta, T. (Speaker) & 佐藤拓哉 (Speaker)
2024/03/16Activity: Talk or presentation › Oral presentation
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ヤクスギ林冠と地上土壌における菌根菌群集の比較
末吉功季 (Speaker), 龍見史恵 (Speaker), Bhatnagar, J. (Speaker), 日置頌 (Speaker), 木田森丸 (Speaker), Ohta, T. (Speaker), 石井弘明 (Speaker), 佐伯いく代 (Speaker) & 東若菜 (Speaker)
2024/03/08 → 2024/03/11Activity: Talk or presentation › Oral presentation
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An estimation of the inter-habitat network structure and life history diversity of salmonids through the utilization of geochemistry analysis
Ohta, T. (Speaker), Ida, S. (Speaker), Sato, T. (Speaker), Osada, Y. (Speaker) & Iizuka, T. (Speaker)
2023/06/05Activity: Talk or presentation › Oral presentation
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富山県内を流れる河川上流部における溶存態無機・有機炭素および 粒子態炭素の構成比
Ohta, T. (Speaker)
2022/12/02Activity: Talk or presentation › Oral presentation
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Linkage of calcium dynamics and forest invertebrates -application of strontium isotope analysis-
Ohta, T. (Speaker)
2022/03/14 → 2022/03/18Activity: Talk or presentation › Oral presentation
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日本の森林土壌の化学性に対する地質と大気降下物の影響―Sr同位体比による解析
Ohta, T. (Speaker)
2020/12/18Activity: Talk or presentation › Oral presentation
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集水域の植生が物質動態の変化を介して、土壌・河川生物群集に与える影響
Ohta, T. (Speaker)
2020/10/24Activity: Talk or presentation › Oral presentation
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スギ林が森林生態系の物質動態および無脊椎動物群集に与える影響
Ohta, T. (Speaker)
2020/03/04 → 2020/03/08Activity: Talk or presentation › Oral presentation
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生物群集による寄生者制御: ハリガネムシ感染経路における中間: 終宿主の種多様性効 果
Ohta, T. (Speaker)
2020/03/04 → 2020/03/08Activity: Talk or presentation › Oral presentation
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日本の森林でのナトリウム利用可能性と植食動物の生理的反応
Ohta, T. (Speaker)
2020/03/04 → 2020/03/08Activity: Talk or presentation › Oral presentation
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有田川における両側回遊魚類の遡上が捕食性魚類にもたらす海洋資源補償の可能性
Ohta, T. (Speaker)
2019/12/20Activity: Talk or presentation › Oral presentation
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森林土壌中の重金属分布の解明―鉛、ストロンチウムに着目した逐次抽出―
Ohta, T. (Speaker)
2019/12/20Activity: Talk or presentation › Oral presentation
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日本各地の森林土壌とリター 層に蓄積するPb・Sr同位体比
Ohta, T. (Speaker)
2019/03/20 → 2019/03/23Activity: Talk or presentation › Oral presentation
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両側回遊魚類の遡上フェノロジーの多様性とそれ がもたらす河川生態系の季節的資源変動
Ohta, T. (Speaker)
2019/03/14 → 2019/03/19Activity: Talk or presentation › Oral presentation
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安定同位体比分析に基づく寒ブリの回遊履歴の復元
Ohta, T. (Speaker)
2019/03/14 → 2019/03/19Activity: Talk or presentation › Oral presentation
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Estimating the contribution of volcanic ash as a source of mineral nutrients in forest ecosystems on Yakushima Island using Sr and Pb stable isotopes
Ohta, T. (Speaker)
2019/03/14 → 2019/03/19Activity: Talk or presentation › Oral presentation
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スギの品種の違いが、地下部生態系におよぼす影響
Ohta, T. (Speaker)
2018/12/21Activity: Talk or presentation › Oral presentation
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地衣類の硫黄同位体を用いた陸域への海由来硫黄供給の追跡: 距離依存的な減衰式のあてはめとモデル選択の適用から見えたこと
Ohta, T. (Speaker)
2018/12/21Activity: Talk or presentation › Oral presentation
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日本生態学会 (External organization)
Ohta, T. (Member)
2018/04/01 → 2021/03/31Activity: Membership › Academic activities
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スギの地理変異が土壌動物群集に与える影響 〜CaとPの可給性変化を介して〜
Ohta, T. (Speaker)
2018/03/14 → 2018/03/18Activity: Talk or presentation › Oral presentation
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スギの地理変異が土壌生態系に与える影響は大きく異なる
Ohta, T. (Speaker)
2017/05/20 → 2017/05/25Activity: Talk or presentation › Oral presentation