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Monitoring of radioactive contamination using arthropods and annelids as indicators in hilly and mountainous areas in Fukushima

Research Project

Project/Area Number 16K08134
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Environmental agriculture(including landscape science)
Research InstitutionTokyo University of Agriculture

Principal Investigator

Adati Taro  東京農業大学, 国際食料情報学部, 教授 (50385506)

Co-Investigator(Renkei-kenkyūsha) TAKAHASHI Sentaro  京都大学, 原子炉実験所, 教授 (60163268)
Research Collaborator TANAKA Sota  
Project Period (FY) 2016-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2018: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2017: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2016: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywords原発事故 / 福島 / 放射性セシウム / 食物網 / 節足動物 / Fukushima / radioactive cesium / arthropod / 森林 / 食物連鎖 / 生物濃縮 / ミミズ / 野生動物 / 環境指標 / モニタリング / 栄養段階 / 放射性物質 / 環形動物
Outline of Final Research Achievements

To clarify the dynamics of radioactive materials released into the environment after the nuclear power plant accident, the concentration of radioactive cesium detected from grasshoppers, crickets, web-making spiders, and epigeic earthworms living in the contaminated areas was investigated over years. The results showed that radioactive cesium concentrations decreased year by year in herbivorous grasshoppers and omnivorous crickets, but not in predatory spiders and detrivorous earthworms, indicating the importance of detritus chains in the transport and circulation of radioactive material through food webs. In addition, the distribution of radioactive materials in the body of earthworms with the highest concentration detected was examined, and it was suggested that the radioactive materials were mainly distributed in the intestine and the high radiation dose was caused by highly contaminated food resources that remained in the digestive tract.

Academic Significance and Societal Importance of the Research Achievements

原発事故が無脊椎動物におよぼす影響については、1986年のチェルノブイリ事故についても報告が少なく、とくに事故後初期の段階での各生物における放射性物質濃度の経年データは過去に類例がない。
また、環境中に放出された放射性セシウムが食物網を介して生物に移行する過程をとらえたことは、生態系における放射性物質の長期的な動態を解明し、野生生物の被ばく線量を評価するうえで有用である。
福島の中山間地では、農林畜産業といった生業や産業が森林生態系と密接に関連している。無脊椎動物は生態系を介して移動・循環する放射性物質の汚染レベルを把握する指標として重要であり、地域の復興計画を策定する際にも活用可能である。

Report

(4 results)
  • 2018 Annual Research Report   Final Research Report ( PDF )
  • 2017 Research-status Report
  • 2016 Research-status Report
  • Research Products

    (19 results)

All 2019 2018 2017 2016 Other

All Journal Article (4 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 4 results,  Open Access: 2 results,  Acknowledgement Compliant: 1 results) Presentation (13 results) (of which Int'l Joint Research: 2 results) Book (1 results) Remarks (1 results)

  • [Journal Article] Concentrations and biological half-life of radioactive cesium in epigeic earthworms after the Fukushima Dai-ichi Nuclear Power Plant accident2018

    • Author(s)
      Tanaka S.、Adati T.、Takahashi T.、Fujiwara K.、Takahashi S.
    • Journal Title

      Journal of Environmental Radioactivity

      Volume: 192 Pages: 227-232

    • DOI

      10.1016/j.jenvrad.2018.06.020

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Evaluation of radiocesium contamination on a forest floor using epigeic earthworms as a bioindicator2018

    • Author(s)
      Tanaka S, Adati T, Takahashi T, Takanashi S
    • Journal Title

      Proceedings of the 19th Workshop on Environmental Radioactivity

      Volume: 7 Pages: 215-218

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Behavior of radiocesium in the food chain using arthropods and annelids as bioindicators2017

    • Author(s)
      Tanaka S, Adati T, Takahashi T, Takahashi S
    • Journal Title

      Proceedings of the 18th Workshop on Environmental Radioactivity

      Volume: 6 Pages: 191-195

    • Related Report
      2017 Research-status Report
    • Peer Reviewed
  • [Journal Article] Radioactive contamination of arthropods from different trophic levels in hilly and mountainous areas after the Fukushima Daiichi nuclear power plant accident2016

    • Author(s)
      Tanaka S, Hatakeyama K, Takahashi S, Adati T
    • Journal Title

      Journal of Environmental Radioactivity

      Volume: 164 Pages: 104-112

    • DOI

      10.1016/j.jenvrad.2016.07.017

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research / Acknowledgement Compliant
  • [Presentation] 福島の森林で昆虫の調査をしてわかったこと2019

    • Author(s)
      柿沼穂垂・足達太郎
    • Organizer
      2018年度東京農業大学東日本復興支援プロジェクト報告会
    • Related Report
      2018 Annual Research Report
  • [Presentation] 福島原発事故後の飛翔性昆虫における放射性セシウム濃度2019

    • Author(s)
      田中草太・柿沼穂垂・足達太郎・高橋知之・高橋千太郎
    • Organizer
      第20回「環境放射能」研究会
    • Related Report
      2018 Annual Research Report
  • [Presentation] 福島県で採集された節足動物への放射性セシウムの移行状況―原発事故後6年間の推移2018

    • Author(s)
      田中草太・足達太郎・高橋知之・高橋千太郎
    • Organizer
      日本保健物理学会第51回研究発表会
    • Related Report
      2018 Annual Research Report
  • [Presentation] 節足動物及び表層性のミミズを指標とした放射性セシウムの食物網を介した動態2018

    • Author(s)
      田中草太・足達太郎・高橋知之・高橋千太郎
    • Organizer
      第5回福島原発事故による周辺生物への影響に関する勉強会
    • Related Report
      2018 Annual Research Report
  • [Presentation] 福島の中山間地に生息する飛翔性昆虫における放射性セシウム濃度2018

    • Author(s)
      柿沼穂垂・田中草太・足達太郎
    • Organizer
      関東昆虫学研究会第2回大会
    • Related Report
      2018 Annual Research Report
  • [Presentation] 表層性ミミズへの放射性セシウムの移行状況と代謝実験2018

    • Author(s)
      田中草太・足達太郎・高橋知之・高橋千太郎
    • Organizer
      第19回「環境放射能」研究会
    • Related Report
      2017 Research-status Report
  • [Presentation] 福島県に生息する節足動物における放射性物質の蓄積状況―原発事故後4年間の推移2017

    • Author(s)
      足達太郎・田中草太・畠山華歩・高橋千太郎
    • Organizer
      第61回日本応用動物昆虫学会大会
    • Place of Presentation
      東京農工大学小金井キャンパス(小金井市)
    • Year and Date
      2017-03-27
    • Related Report
      2016 Research-status Report
  • [Presentation] カイコを利用した放射線の内部被ばく及び外部被ばくの影響評価: 環境中における被ばく形態に対応した評価手法の探索2017

    • Author(s)
      田中草太・木野内忠稔・足達太郎・高橋知之・高橋千太郎
    • Organizer
      第61回日本応用動物昆虫学会大会
    • Place of Presentation
      東京農工大学小金井キャンパス(小金井市)
    • Year and Date
      2017-03-27
    • Related Report
      2016 Research-status Report
  • [Presentation] 節足動物・環形動物を生物指標とした食物連鎖における放射性セシウムの動態2017

    • Author(s)
      田中草太・足達太郎・高橋知之・高橋千太郎
    • Organizer
      第18回「環境放射能」研究会
    • Place of Presentation
      高エネルギー加速器研究機構(つくば市)
    • Year and Date
      2017-03-14
    • Related Report
      2016 Research-status Report
  • [Presentation] 福島原発事故による日本産フトミミズ属(Genus Pheretima)への放射性セシウムの移行と体内動態2017

    • Author(s)
      田中草太・足達太郎・藤原慶子・高橋知之・高橋千太郎
    • Organizer
      京都大学原子炉実験所第51回学術講演会
    • Place of Presentation
      京都大学原子炉実験所(大阪府泉南郡熊取町)
    • Year and Date
      2017-01-26
    • Related Report
      2016 Research-status Report
  • [Presentation] 東電福島第一原子力発電所事故により放出された放射性セシウムのフトミミズへの移行と生物学的半減期2017

    • Author(s)
      田中草太・足達太郎・高橋知之・高橋千太郎
    • Organizer
      日本土壌動物学会第40回記念大会
    • Related Report
      2017 Research-status Report
  • [Presentation] Transfer and metabolism of radioactive cesium in Japanese earthworms after the Fukushima Nuclear Power Plant accident2017

    • Author(s)
      Tanaka S, Adati T, Takahashi T, Takahashi S
    • Organizer
      International Conference on the Biogeochemistry of Trace Elements
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] Behaviour of radiocesium from arthropods in different trophic levels after the Fukushima Daiichi Nuclear Power Plant accident: Chronological changes from 2012 to 20152016

    • Author(s)
      Tanaka S, Adati T, Takahashi T, Takahashi S
    • Organizer
      Second International Conference on Radioecological Concentration Processes (50 years later)
    • Place of Presentation
      Spanish National Centre of Accelerators (Seville, Spain)
    • Year and Date
      2016-11-06
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research
  • [Book] Radioactive cesium contamination of arthropods and earthworms after Fukushima Daiichi Nuclear Power Plant accident. In: Fukumoto M (ed.), Low-Dose Radiation Effects on Animals and Ecosystems: Long-Term Study on the Fukushima Nuclear Accident2019

    • Author(s)
      Tanaka S, Adati T, Takahashi T, Takahashi S
    • Total Pages
      255
    • Publisher
      Springer Singapore
    • ISBN
      9789811382178
    • Related Report
      2018 Annual Research Report
  • [Remarks] 福島県中山間地に生息する節足動物体内の放射性セシウム量の推移を解明

    • URL

      http://www.nodai.ac.jp/news/article/2813/

    • Related Report
      2016 Research-status Report

URL: 

Published: 2016-04-21   Modified: 2020-03-30  

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