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2016 Fiscal Year Final Research Report

Comprehensive evaluation on dynamics of radionuclides in a terrestrial ecosystem

Planned Research

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Project AreaInterdisciplinary Study on Environmental Transfer of Radionuclides from the Fukushima Daiichi Nuclear Power Plant Accident
Project/Area Number 24110007
Research Category

Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)

Allocation TypeSingle-year Grants
Review Section Science and Engineering
Research InstitutionNagoya University

Principal Investigator

Takenaka Chisato  名古屋大学, 生命農学研究科, 教授 (40240808)

Co-Investigator(Kenkyū-buntansha) 大久保 達弘  宇都宮大学, 農学部, 教授 (10176844)
関本 均  宇都宮大学, 農学部, 教授 (10261819)
金子 信博  横浜国立大学, 環境情報研究科(研究院), 教授 (30183271)
柴田 理尋  名古屋大学, アイソトープ総合センター, 教授 (30262885)
古川 純  筑波大学, 生命環境科学研究科(系), 准教授 (40451687)
肘井 直樹  名古屋大学, 生命農学研究科, 教授 (80202274)
三宅 博  名古屋大学, 生命農学研究科, 教授 (60134798)
Co-Investigator(Renkei-kenkyūsha) MAESHIMA Masayoshi  名古屋大学, 大学院生命農学研究科, 教授 (80181577)
FUJIWARA Toru  東京大学, 大学院農学生命科学研究科, 教授 (80242163)
MIMURA Tetsuro  神戸大学, 大学院理学研究科, 教授 (20174120)
FUKUDA Hiroo  東京大学, 大学院理学系研究科, 教授 (10165293)
KAWAI Hiroshi  神戸大学, 大学院自然科学系, 教授 (30161269)
KOBAYASHI Daisuke  福島県立医科大学, 医学部, 准教授 (40528080)
NAKAMORI Taizo  横浜国立大学, 大学院環境情報研究科, 准教授 (50443081)
KOGANESAWA Masaaki  宇都宮大学, 農学部, 教授 (90241851)
Research Collaborator IIZUKA Kazuya  宇都宮大学, 農学部, 教授
AIZAWA Mineaki  宇都宮大学, 農学部, 助教
Project Period (FY) 2012-06-28 – 2017-03-31
Keywords森林生態系 / 放射性セシウム / 循環 / 吸収 / 化学形態 / 輸送体 / 将来予測モデル / 除染
Outline of Final Research Achievements

We aimed to clarify the quantitative contribution of several components, such as soils, plants (trees, herbaceous), animals, insects, microbes, so on, to the dynamics of radiocesium in a forest ecosystem, and to understand the mechanism of the transportation and interaction among these components. In a deciduous forest, microbes in surface soil play an important role in upward transport of radiocesium from mineral soil layer. Using model plants, such as Popular, the mechanism on the control system of radiocesium transport in plant tissues was clarified.
Based on the various observation data in several types of forest, we estimated the aggregated transfer factors (Tag), which is a ratio of the concentration of radiocesium in each component to the deposition amount of radiocesium in the observation site, and predicted the future distribution of radiocesium in the forest.

Free Research Field

森林環境化学

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Published: 2018-03-22  

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