IMAMURA NAOHIRO 今村直広

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Imamura Naohiro 今村直広

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Researcher Number	30732383
Other IDs
Affiliation (Current)	2025: 国立研究開発法人森林研究・整備機構, 森林総合研究所, 主任研究員等
Affiliation (based on the past Project Information) *help	2020 – 2023: 国立研究開発法人森林研究・整備機構, 森林総合研究所, 主任研究員等
Review Section/Research Field	Principal Investigator Basic Section 40010:Forest science-related
Keywords	Principal Investigator 根元周り / 交換態の放射性セシウム / 細根量 / 細根 / 安定同位体セシウム / 経根吸収 / 深部浸透 / 樹幹流 / 放射性セシウム

Study about influence to root uptake by supplying of radiocesium to deeper mineral soil by stemflowPrincipal Investigator
- Principal Investigator
  
  Imamura Naohiro
- Project Period (FY)
  2020 – 2023
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 40010:Forest science-related
- Research Institution
  Forest Research and Management Organization

All 2024 2023 2022 2021 2020

All Journal Article Presentation

[Journal Article] A pilot study of radiocesium activity concentration in the stemflow of deciduous broad-leaved trees: Its relationship with leaves and outer bark as of 2022-20232024
- Author(s)
  Sakashita Wataru、Imamura Naohiro、Sakata Tadashi、Tsuneoka Ren、Shinomiya Yoshiki
- Journal Title
  
  Journal of Environmental Radioactivity
  
  Volume: 273 Pages: 107385-107385
- DOI
  10.1016/j.jenvrad.2024.107385
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22K14924, KAKENHI-PROJECT-20K15563
[Journal Article] 森林における放射性セシウムの初期動態に関する研究2024
- Author(s)
  今村直広
- Journal Title
  
  JATAFFジャーナル
  
  Volume: 12(4) Pages: 5-11
- Data Source
  KAKENHI-PROJECT-20K15563
[Journal Article] Effect of litter removal five years after the Fukushima accident on 137Cs uptake by Japanese cedar2024
- Author(s)
  Ohmae Yoshimi、Sakashita Wataru、Sakata Tadashi、Imamura Naohiro、Miura Satoru、Akama Akio、Shinomiya Yoshiki
- Journal Title
  
  Journal of Environmental Radioactivity
  
  Volume: 273 Pages: 107390-107390
- DOI
  10.1016/j.jenvrad.2024.107390
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K15563
[Journal Article] Factors influencing the difference in dissolved ion inputs to the forest floor between deciduous and coniferous stands: comparison under high and low atmospheric deposition conditions2023
- Author(s)
  Imamura Naohiro、Ohte Nobuhito、Tanaka Nobuaki
- Journal Title
  
  Environmental Monitoring and Assessment
  
  Volume: 196 Issue: 1 Pages: 1-1
- DOI
  10.1007/s10661-023-12132-6
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K15563
[Journal Article] Radiocesium mobility in different parts of the two major tree species in Fukushima2023
- Author(s)
  Manaka Takuya、Araki Masatake G.、Ohashi Shinta、Imamura Naohiro、Sakashita Wataru、Ogo Sumika、Komatsu Masabumi、Sakata Tadashi、Shinomiya Yoshiki
- Journal Title
  
  Scientific Reports
  
  Volume: 13 Issue: 1 Pages: 9144-9144
- DOI
  10.1038/s41598-023-35852-8
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-21K14884, KAKENHI-PROJECT-20K15563
[Journal Article] Ten-year trends in vertical distribution of radiocesium in Fukushima forest soils, Japan2022
- Author(s)
  Manaka Takuya、Komatsu Masabumi、Sakashita Wataru、Imamura Naohiro、Hashimoto Shoji、Hirai Keizo、Miura Satoru、Kaneko Shinji、Sakata Tadashi、Shinomiya Yoshiki
- Journal Title
  
  Journal of Environmental Radioactivity
  
  Volume: 251-252 Pages: 106967-106967
- DOI
  10.1016/j.jenvrad.2022.106967
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K15563, KAKENHI-PROJECT-21K14884
[Journal Article] 福島の森で放射性セシウムはどう動いてきたのか？2021
- Author(s)
  橋本昌司、今村直広、小松雅史、大橋伸太、加藤弘亮、仁科一哉、田上恵子
- Journal Title
  
  森林総合研究所令和3年版研究成果選集
  
  Volume: - Pages: 10-11
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K15563
[Journal Article] 安定同位体セシウムを用いた樹木へ吸収される放射性セシウムの経路推定2021
- Author(s)
  今村直広、渡邊未来
- Journal Title
  
  金属
  
  Volume: 91 Pages: 71-75
- NAID
  40022708479
- Data Source
  KAKENHI-PROJECT-20K15563
[Journal Article] Estimation of the rate of 137Cs root uptake into stemwood of Japanese cedar using an isotopic approach2021
- Author(s)
  Imamura Naohiro、Watanabe Mirai、Manaka Takuya
- Journal Title
  
  Science of The Total Environment
  
  Volume: 755 Pages: 142478-142478
- DOI
  10.1016/j.scitotenv.2020.142478
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K15563
[Journal Article] Dynamics of radiocaesium within forests in Fukushima－results and analysis of a model inter-comparison2021
- Author(s)
  Hashimoto S, Tanaka T, Komatsu M, Gonze MA, Sakashita W, Kurikami H, Nishina K, Ota M, Ohashi S, Calmon P, Coppin F, Imamura N, Hayashi S, Hirai K, Hurtevent P, Koarashi J, Manaka T, Miura S, Shinomiya Y, Shaw G, Thiry Y
- Journal Title
  
  Journal of Environmental Radioactivity
  
  Volume: 238-239 Pages: 106721-106721
- DOI
  10.1016/j.jenvrad.2021.106721
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K15563
[Journal Article] Radiocesium dynamics in forests and impacts on headwater stream ecosystems2021
- Author(s)
  金指努、境優、今村直広、大橋伸太
- Journal Title
  
  Chikyukagaku
  
  Volume: 55 Issue: 4 Pages: 144-158
- DOI
  10.14934/chikyukagaku.55.144
- NAID
  130008134788
- ISSN
  0386-4073, 2188-5923
- Year and Date
  2021-12-25
- Language
  Japanese
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-21K12235, KAKENHI-PROJECT-20K15563
[Journal Article] 放射性セシウムは依然として表層土壌に残っていた－森林における長期観測と、きのこ及びきのこ原木林の利用再開の手がかり－2021
- Author(s)
  篠宮佳樹、三浦覚、阪田匡司、坂下渉、高野勉、池田重人、荒木眞岳、平井敬三、小林政広、橋本昌司、今村直広、平出政和、小松雅史、大橋伸太、金子真司、金指努
- Journal Title
  
  森林総合研究所第4期中長期計画成果集
  
  Volume: - Pages: 12-13
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K15563
[Journal Article] Vertical distributions of radiocesium in Japanese forest soils following the Fukushima Daiichi Nuclear Power Plant accident: A meta-analysis2020
- Author(s)
  Imamura Naohiro、Komatsu Masabumi、Hashimoto Shoji、Fujii Kazumichi、Kato Hiroaki、Thiry Yves、Shaw George
- Journal Title
  
  Journal of Environmental Radioactivity
  
  Volume: 225 Pages: 106422-106422
- DOI
  10.1016/j.jenvrad.2020.106422
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K15563
[Presentation] 2022－2023年の葉・外樹皮が樹幹流放射性セシウム濃度に与える影響2024
- Author(s)
  坂下渉、今村直広、阪田匡司、常岡廉、篠宮佳樹
- Organizer
  第135回日本森林学会大会
- Data Source
  KAKENHI-PROJECT-20K15563
[Presentation] 安定同位体Csを用いたコナラとスギの土壌からの放射性Cs吸収深度の推定2024
- Author(s)
  今村直広、大橋伸太、坂下渉、眞中卓也、大前芳美、篠宮佳樹
- Organizer
  第135回日本森林学会大会
- Data Source
  KAKENHI-PROJECT-20K15563
[Presentation] 事故後5年目の落葉除去がスギ材の放射性セシウム濃度に及ぼす影響2024
- Author(s)
  大前芳美、坂下渉、阪田匡司、今村直広、三浦覚、赤間亮夫、篠宮佳樹
- Organizer
  第135回日本森林学会大会
- Data Source
  KAKENHI-PROJECT-20K15563
[Presentation] River catchments in the Fukushima area -System conceptualization using catchment and ecosystem data -2023
- Author(s)
  TAGAMI Keiko、UCHIDA Shigeo、ISHII Nobuyoshi、HAYASHI Seiji、TSUJI Hideki、HASHIMOTO Shoji、KOMATSU Masabumi、OHASHI Shinta、IMAMURA Naohiro、MANAKA Takuya、SAKASHITA Wataru、SHINOMIYA Yoshiki、MIURA Satoru
- Organizer
  IAEA MEREIA Workshop 2023
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K15563
[Presentation] Factors affecting the difference in the input processes of dissolved ions to forest floor between broad-leaved deciduous and coniferous evergreen stands: Through comparison among the sites with different atmospheric deposition conditions2023
- Author(s)
  IMAMURA Naohiro、OHTE Nobuhito、TANAKA Nobuaki
- Organizer
  Acid Rain 2020 10th International conference on Acid Deposition
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K15563
[Presentation] 放射性セシウムに汚染された森林における植栽木や実生の面移行係数2023
- Author(s)
  三浦覚、大橋伸太、荒木眞岳、小松雅史、橋本昌司、長倉淳子、坂下渉、今村直広、眞中卓也、重永英年、篠宮佳樹
- Organizer
  日本森林学会大会
- Data Source
  KAKENHI-PROJECT-20K15563
[Presentation] 落葉除去による除染がスギの放射性セシウム吸収に及ぼす影響2023
- Author(s)
  大前芳美、篠宮佳樹、阪田匡司、坂下渉、三浦覚、大橋伸太、今村直広、赤間亮夫
- Organizer
  日本森林学会大会
- Data Source
  KAKENHI-PROJECT-20K15563
[Presentation] Dynamics of radiocaesium in forests deposited by the Fukushima Daiichi Nuclear Power Plant accident-long-term monitoring and modelling approaches2022
- Author(s)
  Hashimoto S, Tanaka T, Komatsu, Marc-Andre G, Sakashita W, Kurikami H, Nishina K, Ota M, Ohashi S, Philippe C, Frederic C, Imamura N, Hayashi S, Hirai K, Pierre H, Koarashi J, Manaka T, Miura S, Shinomiya Y, George S, Yves T
- Organizer
  International Conference on Radioecology & Environmental Radioactivity
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K15563
[Presentation] 福島第一原発事故後10年間における森林土壌中の放射性セシウム分布の変動2022
- Author(s)
  眞中卓也、小松雅史、坂下渉、今村直広、橋本昌司、平井敬三、三浦覚、金子真司、小林政広、阪田匡司、篠宮佳樹
- Organizer
  第133回日本森林学会大会
- Data Source
  KAKENHI-PROJECT-20K15563
[Presentation] 樹幹流によって土壌深部へ供給される放射性セシウム2021
- Author(s)
  今村直広、坂下渉、眞中卓也、篠宮佳樹、小林政広
- Organizer
  第132回日本森林学会大会
- Data Source
  KAKENHI-PROJECT-20K15563

1. 坂下渉

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
2. 眞中卓也

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

IMAMURA NAOHIRO 今村 直広

Imamura Naohiro 今村 直広

Research Projects

Research Products

Co-Researchers

Study about influence to root uptake by supplying of radiocesium to deeper mineral soil by stemflowPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

[Journal Article] A pilot study of radiocesium activity concentration in the stemflow of deciduous broad-leaved trees: Its relationship with leaves and outer bark as of 2022-20232024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] 森林における放射性セシウムの初期動態に関する研究2024

Author(s)

Journal Title

Data Source

[Journal Article] Effect of litter removal five years after the Fukushima accident on 137Cs uptake by Japanese cedar2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Factors influencing the difference in dissolved ion inputs to the forest floor between deciduous and coniferous stands: comparison under high and low atmospheric deposition conditions2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Radiocesium mobility in different parts of the two major tree species in Fukushima2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Ten-year trends in vertical distribution of radiocesium in Fukushima forest soils, Japan2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] 福島の森で放射性セシウムはどう動いてきたのか？2021

Author(s)

Journal Title

Data Source

[Journal Article] 安定同位体セシウムを用いた樹木へ吸収される放射性セシウムの経路推定2021

Author(s)

Journal Title

NAID

Data Source

[Journal Article] Estimation of the rate of 137Cs root uptake into stemwood of Japanese cedar using an isotopic approach2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Dynamics of radiocaesium within forests in Fukushima－results and analysis of a model inter-comparison2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Radiocesium dynamics in forests and impacts on headwater stream ecosystems2021

Author(s)

Journal Title

DOI

NAID

ISSN

Year and Date

Language

Data Source

[Journal Article] 放射性セシウムは依然として表層土壌に残っていた－森林における長期観測と、きのこ及びきのこ原木林の利用再開の手がかり－2021

Author(s)

Journal Title

Data Source

[Journal Article] Vertical distributions of radiocesium in Japanese forest soils following the Fukushima Daiichi Nuclear Power Plant accident: A meta-analysis2020

Author(s)

Journal Title

DOI

Data Source

[Presentation] 2022－2023年の葉・外樹皮が樹幹流放射性セシウム濃度に与える影響2024

Author(s)

Organizer

IMAMURA NAOHIRO 今村直広

Imamura Naohiro 今村直広