Latest Update：2025/04/18 10:59:30

WATANABE Mirai

Researcher Name: WATANABE Mirai

Div (Section) name/title: Regional Environment Conservation Division（Soil Environment Section）／Senior Researcher

Research Subject: Behavior of nitrogen and cesium in forest ecosystem.

Degree(s): Dr.

Professional Qualification(s): Agricultural Science,Chemistry

Environmental Speciality Field: forest ecosystem,soil contamination

Keyword(s): nitrogen saturation,radiocesium,trace elements

Membership of Academic Society: Japanese Society for Atmospheric Environment,Japanese Society of Soil Science and Plant Nutrition,The Japanese Forest Society

Research Subject

Fiscal Year: 2024
- 26827 : Research on problem solving using ecosystem functions
- 26843 : Research of environmental impacts and management in the disaster areas of Fukushima
- 26848 : Research on evaluation and clarification of effects and mechanisms of climate change
- 26864 : Regional Environment Conservation Domain: Foresight and Advanced Basic Research
- 26899 : Monitoring the dynamics of radiocesium in a multi-media environment
- 26916 : Re-evaluation of the mobility and bioavailability of cations in forest soils using Sr and Cs isotopic compositions
- 27100 : Intellectual research infrastructure development：Systematic monitoring, development of information on impact prediction and adaptation, and development of tools in the field of climate change adaptation
Fiscal Year: 2023
- 26418 : Research on problem solving using ecosystem functions
- 26430 : Research of environmental impacts and management in the disaster areas of Fukushima
- 26435 : Research on evaluation and clarification of effects and mechanisms of climate change
- 26453 : Regional Environment Conservation Domain: Foresight and Advanced Basic Research
- 26627 : Monitoring the dynamics of radiocesium in a multi-media environment
- 26708 : Re-evaluation of the mobility and bioavailability of cations in forest soils using Sr and Cs isotopic compositions
- 26736 : Intellectual research infrastructure development：Systematic monitoring, development of information on impact prediction and adaptation, and development of tools in the field of climate change adaptation
Fiscal Year: 2022
- 25982 : Research on problem solving using ecosystem functions
- 25995 : Research of environmental impacts and management in the disaster areas of Fukushima
- 26001 : Research on evaluation and clarification of effects and mechanisms of climate change
- 26010 : Regional Environment Conservation Domain: Foresight and Advanced Basic Research
- 26035 : Monitoring the dynamics of radiocesium in a multi-media environment
- 26105 : The contribution of volcanic ash in the Ca cycle in Japanese forest ecosystems.
- 26106 : Re-evaluation of the mobility and bioavailability of cations in forest soils using Sr and Cs isotopic compositions
- 26293 : Intellectual research infrastructure development：Systematic monitoring, development of information on impact prediction and adaptation, and development of tools in the field of climate change adaptation
Fiscal Year: 2021
- 25515 : Research on problem solving using ecosystem functions
- 25527 : Research of environmental impacts and management in the disaster areas of Fukushima
- 25535 : Research on evaluation and clarification of effects and mechanisms of climate change
- 25615 : The contribution of volcanic ash in the Ca cycle in Japanese forest ecosystems.
- 25674 : Intellectual research infrastructure development：Systematic monitoring, development of information on impact prediction and adaptation, and development of tools in the field of climate change adaptation
- 25713 : Regional Environment Conservation Domain: Foresight and Advanced Basic Research
- 25766 : Monitoring the dynamics of radiocesium in a multi-media environment
- 25863 : Behavior and hazard assessment of indium derived from IT products released into the environment
Fiscal Year: 2020
- 25098 : Harmonization with Nature Research Program
- 25140 : Evaluation of Ecosystem Functions and Services and their Sustainable Use
- 25153 : Analysis and prediction of radioactive substances behavior in multimedia environment
- 25235 : Behavior and hazard assessment of indium derived from IT products released into the environment
- 25247 : The contribution of volcanic ash in the Ca cycle in Japanese forest ecosystems.
- 25327 : Studies on Advancing the Methods for Climate Change Impacts Assessment
Fiscal Year: 2019
- 24695 : Harmonization with Nature Research Program
- 24720 : Evaluation of Ecosystem Functions and Services and their Sustainable Use
- 24734 : Analysis and prediction of radioactive substances behavior in multimedia environment
- 24818 : Behavior and hazard assessment of indium derived from IT products released into the environment
- 24892 : The contribution of volcanic ash in the Ca cycle in Japanese forest ecosystems.
- 24975 : Studies on Advancing the Methods for Climate Change Impacts Assessment
Fiscal Year: 2018
- 24303 : Evaluation of ecosystem functions and services and their sustainable use
- 24326 : Analysis and Prediction of Radioactive Substances Behavior in Multimedia Environment
- 24354 : Harmonization with Nature Research Program
- 24390 : Influence of volcanic ash in soils on Ca cycling in forest ecosystems
- 24485 : Pollutant dispersion mechanisms of trace metals derived from waste electrical and electronic equipment in water and soil environments
Fiscal Year: 2017
- 23825 : Evaluation of ecosystem functions and services and their sustainable use
- 23845 : Harmonization with Nature Research Program
- 23866 : Analysis and Prediction of Radioactive Substances Behavior in Multimedia Environment
- 24029 : Influence of volcanic ash in soils on Ca cycling in forest ecosystems
- 24089 : Pollutant dispersion mechanisms of trace metals derived from waste electrical and electronic equipment in water and soil environments
Fiscal Year: 2016
- 23408 : Harmonization with Nature Research Program
- 23413 : Evaluation of ecosystem functions and services and their sustainable use
- 23429 : Analysis and Prediction of Radioactive Substances Behavior in Multimedia Environment
- 23508 : Evaluation of selective extraction method for available radiocesium in soils.
- 23533 : Influence of volcanic ash in soils on Ca cycling in forest ecosystems
Fiscal Year: 2015
- 23010 : Assessment of functions and integrity of basin ecosystems
- 23011 : Evaluation on linkage between ecosystem function and environmental factor in river basin
- 23309 : Evaluation of selective extraction method for available radiocesium in soils.
Fiscal Year: 2014
- 22598 : Assessment of functions and integrity of basin ecosystems
- 22599 : Evaluation on linkage between ecosystem function and environmental factor in river basin
- 22842 : Analysis of absorption ability of radioactive Cs by higher plants and development of the suppression methods for Cs transfer into higher plants
Fiscal Year: 2013
- 22182 : Assessment of functions and integrity of basin ecosystems
- 22183 : Evaluation on linkage between ecosystem function and environmental factor in river basin
- 22216 : Analysis of absorption ability of radioactive Cs by higher plants and development of the suppression methods for Cs transfer into higher plants
- 22272 : Effect of forest management on the nitrate leaching from conifer plantation catchments in Tochigi prefecture.
Fiscal Year: 2012
- 21753 : Assessment of functions and integrity of basin ecosystems
- 21754 : Evaluation on linkage between ecosystem function and environmental factor in river basin
- 22006 : Pollution of urban soil with atmospheric deposited metals in Kanto area
- 22040 : Evaluation and prediction of nitrogen load from nitrogen saturated forest area
Fiscal Year: 2011
- 21312 : Evaluation on linkage between ecosystem function and environmental factor in river basin
- 21340 : Ammonia oxidation on the phyllosphere influenced by microbial processes
- 21706 : Pollution of urban soil with atmospheric deposited metals in Kanto area
Fiscal Year: 2010
- 21007 : Pollution of urban soil with atmospheric deposited metals in Kanto area.
- 21013 : Behaviours of rare metals in soil-plant systems
- 21252 : Ammonia oxidation on the phyllosphere influenced by microbial processes
- 21258 : Evaluation and prediction of nitrogen load from nitrogen saturated forest area and development of its reduction scenario
Fiscal Year: 2009
- 20517 : Behaviours of rare metals in soil-plant systems
- 20668 : Effect of forest environment on nitrogen runoff control in the highly nitrogen loaded mountainous area
Fiscal Year: 2008
- 20000 : Transport of various forms of dissolved aluminum from forest soil to stream water.
- 20001 : Quantification of metal distribution in urban soil.
- 20022 : Effect of forest environment on nitrogen runoff control in the highly nitrogen loaded mountainous area
- 20101 : Study about the behavior and natural abundance of the next generation use type elements in soil
Fiscal Year: 2007
- 10450 : Transport of various forms of dissolved aluminum from forest soil to stream water.
- 10640 : Investigation of metal distribution patterns in urban soil.
- 10665 : Study about the behavior and natural abundance of the next generation use type elements in soil
Fiscal Year: 2006
- 10105 : Influence of natural and soil organic matter on the dynamics of heavy metals in a contaminated soil
- 10171 : Transport of various forms of dissolved aluminum from forest soil to stream water.

View all

Research Result (Publication)

all
Original Paper
Other Publications

Original Paper
Diel temperature patterns unveiled: High-frequency monitoring and deep learning in Lake Kasumigaura

Presenter : Zhu S., Shinohara R., Matsuzaki S., Kohzu A., Watanabe Mirai., Nakagawa M., Nunno F.D. , Sun J., Zhou Q., Granata F.
Title : , Ecological Indicators, 169:112958 (2025)
Original Paper
Exploring simple ways to avoid collecting highly 137Cs-contaminated Aralia elata buds for the revival of local wild vegetable cultures

Presenter : Sakai M., Watanabe Mirai., Koshikawa-K.m., Tanaka A., Takahashi A., Takechi S., Takagi M., Tsuji T., Tsuji H., Takeda T., Jo J., Tamaoki M., Hayashi S.
Title : , PLOS ONE, 19(4):e0292206 (2024)
Other Publications
Volcanic ash in soil is a source of strontium in stream water in chert-bedrock forests in Mount Amamaki, Japan

Presenter : Koshikawa-K.m., Watanabe Mirai., Sase H., Morohashi M., Takahashi M., Tanikawa T., Takahashi M., Takahashi A., Murata T., Takamatsu T., Miura S., Shin K.C., Nakano T.
Title : , Ecological Research (2024)
Original Paper
Heat Waves Can Cause Hypoxia in Shallow Lakes

Presenter : Shinohara R., Matsuzaki S., Watanabe Mirai., Nakagawa M., Yoshida H., Kohzu A.
Title : , Geophysical Research Letters, 50(8): (2023)
Original Paper
Use of legacy nitrogen as a resource: Unfertilized lotus fields contribute to water quality improvement and biodiversity conservation

Presenter : Matsuzaki S., Kohzu A., Watanabe Mirai., Kondo N., Tatsuta A.
Title : , Nature-Based Solutions, 4(100080): (2023)
Original Paper
Explaining the variation in 137Cs aggregated transfer factor for wild edible plants as a case study on Koshiabura (Eleutherococcus sciadophylloides) buds

Presenter : Hayashi S., Watanabe Mirai., Koshikawa-K.m., Takada M., Takechi S., Takagi M., Sakai M., Tamaoki M.
Title : , Scientific Reports, 13(14162): (2023)
Original Paper
Influential factors of long-term and seasonal 137Cs change in agricultural and forested rivers: Temperature, water quality and an intense Typhoon Event

Presenter : Tsuji H., Nishikiori T., Ito S., Ozaki H., Watanabe Mirai., Sakai M., Ishii Y., Hayashi S.
Title : , Environmental Pollution (2023)
Original Paper
Effects of temperature and oxygen on 137Cs desorption from bottom sediment of a dam lake

Presenter : Tsuji H., Funaki H., Watanabe Mirai., Hayashi S.
Title : , Applied Geochemistry (2022)
Original Paper
Production of two morphologically different antimony trioxides by a novel antimonate-reducing bacterium, Geobacter sp. SVR

Presenter : Yamamura S., Iida C., Kobayashi Y., Watanabe Mirai., Amachi S.
Title : , Journal of Hazardous Materials, 411:125100 (2021)
Other Publications
Role of advection in atmospheric ammonia: A case study at a Japanese lake basin influenced by agricultural ammonia sources

Presenter : Kubota T., Kuroda H., Watanabe Mirai., Takahashi A., Nakazato R., Terui M., Matsumoto S., Nakagawa K., Numata Y., Ouchi T., Hosoi H., Nakagawa M., Shinohara R., Kajino M., Fukushima K., Igarashi Y., Imamura M., Katata G.
Title : , Atmospheric Environment, 243: (2020)
Original Paper
Comparison of 0.1 M Stable CsCl and 1 M NH4NO3 as an Extraction Reagent to Evaluate Cs-137 Mobility in Soils

Presenter : Koshikawa-K.M., Watanabe Mirai., Tamaoki M., Ito S., Takamatsu T., Murata T., Saito T., Hayashi S.
Title : , Analytical Sciences, 35(2):153-158 (2019)
Original Paper
137Cs transfer from canopies onto forest floors at Mount Tsukuba in the four years following the Fukushima nuclear accident

Presenter : Nishikiori T., Watanabe Mirai., Koshikawa-K.M., Watanabe K., Yamamura S., Hayashi S.
Title : , Science of the Total Environment, 659:783-789 (2019)
Original Paper
Long-term observations of the vertical distributions of mineral elements and phosphorus dynamics in sediments in a shallow eutrophic lake in Japan

Presenter : Shimotori K., Imai A., Kohzu A., Komatsu K., Koshikawa-K.M., Hayashi S., Watanabe Mirai.
Title : , Journal of Soils and Sediments, 19(3):1566-1575 (2019)
Original Paper
Role of wetlands in mitigating the tradeoff between crop production and water quality in agricultural landscapes

Presenter : Matsuzaki S., Kohzu A., Kadoya T., Watanabe Mirai., Osawa T., Komatsu K., Kondo N., Yamaguchi H., Ando H., Shimotori K., Fukaya K., Nakagawa M., Kizuka T., Yoshioka A., Sasai T., Saigusa N., Matsushita B., Takamura N.
Title : , Ecosphere, 10(11):e02918 (2019)
Original Paper
Effect of extracellular electron shuttles on arsenic-mobilizing activities in soil microbial communities

Presenter : Yamamura S., Sudo T., Watanabe Mirai., Tsuboi S., Soda S., Ike K., Amachi S.
Title : , Journal of Hazardous Materials, 342:571-578 (2018)
Original Paper
Migration of Ag, In, Sn, Sb, and Bi and Their Chemical Forms in a Monolith Lysimeter Filled with a Contaminated Andosol

Presenter : Murata T., Koshikawa-K.M., Watanabe Mirai., Hou H., Takamatsu T.
Title : , Archives of Environmental Contamination and Toxicology, 74(1):154-169 (2018)
Original Paper
Coniferous coverage as well as catchment steepness influences local stream nitrate concentrations within a nitrogen-saturated forest in central Japan

Presenter : Watanabe Mirai., Miura S., Hasegawa S., Koshikawa-K.M., Takamatsu T., Kohzu A., Imai A.
Title : , Science of the Total Environment, 636:539-546 (2018)
Original Paper
Varying sensitivity of mountainous streamwater base-flow NO3− concentrations to N deposition in the northern suburbs of Tokyo

Presenter : Nishina K., Watanabe Mirai., Koshikawa-K.M., Takamatsu T., Morino Y., Nagashima T., Soma K., Hayashi S.
Title : , Scientific Reports, 7:7701 (2017)
Original Paper
Growth rates and tolerance to low water temperature of freshwater bacterioplankton strains: ecological insights from shallow hypereutrophic lakes in Japan

Presenter : Watanabe K., Ishii Y., Komatsu N., Kitamura T., Watanabe Mirai., Yamamura S., Imai A., Hayashi S.
Title : , Hydrobiologia, 792(1):67-81 (2017)
Other Publications
Comparison of potentials of higher plants for phytoremediation of radioactive cesium from contaminated soil

Presenter : Tamaoki M., Yabe T., Furukawa J., Watanabe Mirai., Ikeda K., Yasutani I., Nishizawa T.
Title : , Environmental Control in Biology, 54(1):65-69 (2016)
Original Paper
Using isotopes to determine the contribution of volcanic ash to Sr and Ca in stream waters and plants in a granite watershed, Mt. Tsukuba, central Japan

Presenter : Koshikawa-K.M., Watanabe Mirai., Shin K., Nishikiori T., Takamatsu T., Hayashi S., Nakano T.
Title : , Environmental Earth Sciences, 75(501): (2016)
Original Paper
Microbial nitrification in throughfall of a Japanese cedar associated with archaea from the tree canopy

Presenter : Watanabe K., Kohzu A., Suda W., Yamamura S., Takamatsu T., Takenaka A., Koshikawa-K.M., Hayashi S., Watanabe Mirai.
Title : , SpringerPlus, 5(1596): (2016)
Original Paper
Behavior of dissolved radiocesium in river water in a forested watershed in Fukushima Prefecture

Presenter : Tsuji H., Nishikiori T., Yasutaka T., Watanabe Mirai., Ito S., Hayashi S.
Title : , Journal of Geophysical Research: Biogeosciences (2016)
Original Paper
Uptake and translocation of radiocesium in cedar leaves following the Fukushima nuclear accident

Presenter : Nishikiori T., Watanabe Mirai., Koshikawa-K.M., Takamatsu T., Ishii Y., Ito S., Takenaka A., Watanabe K., Hayashi S.
Title : , Science of the Total Environment, 502:611-616 (2015)
Original Paper
Effect of Antibiotics on Redox Transformations of Arsenic and Diversity of Arsenite-Oxidizing Bacteria in Sediment Microbial Communities

Presenter : Yamamura S., Watanabe K., Suda W., Tsuboi S., Watanabe Mirai.
Title : , Environmental Science & Technology, 48:350-357 (2014)
Original Paper
Episode Analysis of Deposition of Radiocesium from the Fukushima Daiichi Nuclear Power Plant Accident

Presenter : Morino Y., Ohara T., Watanabe Mirai., Hayashi S., Nishizawa M.
Title : , Environmental Science and Technology, 47:2314-2322 (2013)
Original Paper
Effects of land-use type and nitrogen addition on nitrous oxide and carbon dioxide production potentials in Japanese Andosols

Presenter : Kong Y., Watanabe Mirai., Nagano H., Watanabe Keiji, Yashima M., Inubushi K.
Title : , Soil Science and Plant Nutrition, 59(5):790-799 (2013)
Original Paper
Ecological niche separation in the Polynucleobacter subclusters linked to quality of dissolved organic matter: a demonstration using a high sensitivity cultivation-based approach

Presenter : Watanabe K., Komatsu N., Kitamura T., Ishii Y., Park H-D., Miyata R., Noda N., Sekiguchi Y., Satou T., Watanabe Mirai., Yamamura S., Imai A., Hayashi S.
Title : , Environmental Microbiology, 14(9):2511-2525 (2012)
Original Paper
Weathering and dissolution rates among Pb shot pellets of differing elemental compositions exposed to various aqueous and soil conditions

Presenter : Takamatsu T., Murata T., Koshikawa-K.M., Watanabe Mirai.
Title : , Arch.Environ.Contam.Toxicol., 59(1):91-99 (2010)
Original Paper
Microbial biomass and nitrogen transformations in surface soils strongly acidified by volcanic hydrogen sulfide deposition in Osorezan, Japan

Presenter : Watanabe Mirai., Yamamura S., Takamatsu T., Koshikawa-K.M., Hayashi S., Murata T., Saito-S.S., Inubushi K., Sakamoto K.
Title : , Soil Sci.Plant Nutr., 56(1):123-132 (2010)
Original Paper
Pollution of montane soil with Cu, Zn, As, Sb, Pb, and nitrate in Kanto, Japan.

Presenter : Takamatsu T., Watanabe Mirai., Koshikawa-K.M., Murata T., Yamamura S., Hayashi S.
Title : , Sci.Total Environ., 408(8):1932-1942 (2010)
Original Paper
Potential for microbially mediated redox transformations and mobilization of arsenic in uncontaminated soils

Presenter : Yamamura S., Watanabe Mirai., Yamamoto N,, Sei K,, Ike M,
Title : , Chemosphere, 77(2):169-174 (2009)
Original Paper
Removal of arsenic from contaminated soils by microbial reduction of arsenate and quinone

Presenter : Yamamura S., Watanabe Mirai., Kanzaki M., Soda S., Ike M.
Title : , Environ.Sci.Technol., 42(16):6154-6159 (2008)
Original Paper
Dry deposition of acidic air pollutants to tree leaves, determined by a modified leaf-washing technique

Presenter : Watanabe Mirai., Takamatsu T., Koshikawa-K.M., Yamamura S., Inubushi K.
Title : , Atmos.Environ., 42(32):7339-7347 (2008)
Speciation of aluminum in circumneutral Japanese stream waters

Presenter : KOSHIKAWA Masami, , Watanabe Mirai.
Title : , Appl.Geochem., 22:1209-1216 (2007)
Simultaneous determination of atmospheric sulfur and nitrogen oxides using a battery-operated portable filter pack sampler

Presenter : Watanabe Mirai., Takamatsu T., Koshikawa-K.M., Sakamoto K.(*1), Inubushi K.(*1)
Title : , J.Environ.Monit., 8:167-173 (2006)
Atmospheric acidic pollutants at Mt.Tsukuba,Japan,determined using a portable filter pack sampler

Presenter : Watanabe Mirai., Takamatsu T., Koshikawa-K.M., Sakamoto K.(*1), Inubushi K.(*1)
Title : , Bull.Chem.Soc.Jpn., 79:1407-1409 (2006)

View all

Diel temperature patterns unveiled: High-frequency monitoring and deep learning in Lake Kasumigaura

Presenter : Zhu S., Shinohara R., Matsuzaki S., Kohzu A., Watanabe Mirai., Nakagawa M., Nunno F.D. , Sun J., Zhou Q., Granata F.
Title : , Ecological Indicators, 169:112958 (2025)
Exploring simple ways to avoid collecting highly 137Cs-contaminated Aralia elata buds for the revival of local wild vegetable cultures

Presenter : Sakai M., Watanabe Mirai., Koshikawa-K.m., Tanaka A., Takahashi A., Takechi S., Takagi M., Tsuji T., Tsuji H., Takeda T., Jo J., Tamaoki M., Hayashi S.
Title : , PLOS ONE, 19(4):e0292206 (2024)
Heat Waves Can Cause Hypoxia in Shallow Lakes

Presenter : Shinohara R., Matsuzaki S., Watanabe Mirai., Nakagawa M., Yoshida H., Kohzu A.
Title : , Geophysical Research Letters, 50(8): (2023)
Use of legacy nitrogen as a resource: Unfertilized lotus fields contribute to water quality improvement and biodiversity conservation

Presenter : Matsuzaki S., Kohzu A., Watanabe Mirai., Kondo N., Tatsuta A.
Title : , Nature-Based Solutions, 4(100080): (2023)
Explaining the variation in 137Cs aggregated transfer factor for wild edible plants as a case study on Koshiabura (Eleutherococcus sciadophylloides) buds

Presenter : Hayashi S., Watanabe Mirai., Koshikawa-K.m., Takada M., Takechi S., Takagi M., Sakai M., Tamaoki M.
Title : , Scientific Reports, 13(14162): (2023)
Influential factors of long-term and seasonal 137Cs change in agricultural and forested rivers: Temperature, water quality and an intense Typhoon Event

Presenter : Tsuji H., Nishikiori T., Ito S., Ozaki H., Watanabe Mirai., Sakai M., Ishii Y., Hayashi S.
Title : , Environmental Pollution (2023)
Effects of temperature and oxygen on 137Cs desorption from bottom sediment of a dam lake

Presenter : Tsuji H., Funaki H., Watanabe Mirai., Hayashi S.
Title : , Applied Geochemistry (2022)
Production of two morphologically different antimony trioxides by a novel antimonate-reducing bacterium, Geobacter sp. SVR

Presenter : Yamamura S., Iida C., Kobayashi Y., Watanabe Mirai., Amachi S.
Title : , Journal of Hazardous Materials, 411:125100 (2021)
Comparison of 0.1 M Stable CsCl and 1 M NH4NO3 as an Extraction Reagent to Evaluate Cs-137 Mobility in Soils

Presenter : Koshikawa-K.M., Watanabe Mirai., Tamaoki M., Ito S., Takamatsu T., Murata T., Saito T., Hayashi S.
Title : , Analytical Sciences, 35(2):153-158 (2019)
137Cs transfer from canopies onto forest floors at Mount Tsukuba in the four years following the Fukushima nuclear accident

Presenter : Nishikiori T., Watanabe Mirai., Koshikawa-K.M., Watanabe K., Yamamura S., Hayashi S.
Title : , Science of the Total Environment, 659:783-789 (2019)
Long-term observations of the vertical distributions of mineral elements and phosphorus dynamics in sediments in a shallow eutrophic lake in Japan

Presenter : Shimotori K., Imai A., Kohzu A., Komatsu K., Koshikawa-K.M., Hayashi S., Watanabe Mirai.
Title : , Journal of Soils and Sediments, 19(3):1566-1575 (2019)
Role of wetlands in mitigating the tradeoff between crop production and water quality in agricultural landscapes

Presenter : Matsuzaki S., Kohzu A., Kadoya T., Watanabe Mirai., Osawa T., Komatsu K., Kondo N., Yamaguchi H., Ando H., Shimotori K., Fukaya K., Nakagawa M., Kizuka T., Yoshioka A., Sasai T., Saigusa N., Matsushita B., Takamura N.
Title : , Ecosphere, 10(11):e02918 (2019)
Effect of extracellular electron shuttles on arsenic-mobilizing activities in soil microbial communities

Presenter : Yamamura S., Sudo T., Watanabe Mirai., Tsuboi S., Soda S., Ike K., Amachi S.
Title : , Journal of Hazardous Materials, 342:571-578 (2018)
Migration of Ag, In, Sn, Sb, and Bi and Their Chemical Forms in a Monolith Lysimeter Filled with a Contaminated Andosol

Presenter : Murata T., Koshikawa-K.M., Watanabe Mirai., Hou H., Takamatsu T.
Title : , Archives of Environmental Contamination and Toxicology, 74(1):154-169 (2018)
Coniferous coverage as well as catchment steepness influences local stream nitrate concentrations within a nitrogen-saturated forest in central Japan

Presenter : Watanabe Mirai., Miura S., Hasegawa S., Koshikawa-K.M., Takamatsu T., Kohzu A., Imai A.
Title : , Science of the Total Environment, 636:539-546 (2018)
Varying sensitivity of mountainous streamwater base-flow NO3− concentrations to N deposition in the northern suburbs of Tokyo

Presenter : Nishina K., Watanabe Mirai., Koshikawa-K.M., Takamatsu T., Morino Y., Nagashima T., Soma K., Hayashi S.
Title : , Scientific Reports, 7:7701 (2017)
Growth rates and tolerance to low water temperature of freshwater bacterioplankton strains: ecological insights from shallow hypereutrophic lakes in Japan

Presenter : Watanabe K., Ishii Y., Komatsu N., Kitamura T., Watanabe Mirai., Yamamura S., Imai A., Hayashi S.
Title : , Hydrobiologia, 792(1):67-81 (2017)
Using isotopes to determine the contribution of volcanic ash to Sr and Ca in stream waters and plants in a granite watershed, Mt. Tsukuba, central Japan

Presenter : Koshikawa-K.M., Watanabe Mirai., Shin K., Nishikiori T., Takamatsu T., Hayashi S., Nakano T.
Title : , Environmental Earth Sciences, 75(501): (2016)
Microbial nitrification in throughfall of a Japanese cedar associated with archaea from the tree canopy

Presenter : Watanabe K., Kohzu A., Suda W., Yamamura S., Takamatsu T., Takenaka A., Koshikawa-K.M., Hayashi S., Watanabe Mirai.
Title : , SpringerPlus, 5(1596): (2016)
Behavior of dissolved radiocesium in river water in a forested watershed in Fukushima Prefecture

Presenter : Tsuji H., Nishikiori T., Yasutaka T., Watanabe Mirai., Ito S., Hayashi S.
Title : , Journal of Geophysical Research: Biogeosciences (2016)
Uptake and translocation of radiocesium in cedar leaves following the Fukushima nuclear accident

Presenter : Nishikiori T., Watanabe Mirai., Koshikawa-K.M., Takamatsu T., Ishii Y., Ito S., Takenaka A., Watanabe K., Hayashi S.
Title : , Science of the Total Environment, 502:611-616 (2015)
Effect of Antibiotics on Redox Transformations of Arsenic and Diversity of Arsenite-Oxidizing Bacteria in Sediment Microbial Communities

Presenter : Yamamura S., Watanabe K., Suda W., Tsuboi S., Watanabe Mirai.
Title : , Environmental Science & Technology, 48:350-357 (2014)
Episode Analysis of Deposition of Radiocesium from the Fukushima Daiichi Nuclear Power Plant Accident

Presenter : Morino Y., Ohara T., Watanabe Mirai., Hayashi S., Nishizawa M.
Title : , Environmental Science and Technology, 47:2314-2322 (2013)
Effects of land-use type and nitrogen addition on nitrous oxide and carbon dioxide production potentials in Japanese Andosols

Presenter : Kong Y., Watanabe Mirai., Nagano H., Watanabe Keiji, Yashima M., Inubushi K.
Title : , Soil Science and Plant Nutrition, 59(5):790-799 (2013)
Ecological niche separation in the Polynucleobacter subclusters linked to quality of dissolved organic matter: a demonstration using a high sensitivity cultivation-based approach

Presenter : Watanabe K., Komatsu N., Kitamura T., Ishii Y., Park H-D., Miyata R., Noda N., Sekiguchi Y., Satou T., Watanabe Mirai., Yamamura S., Imai A., Hayashi S.
Title : , Environmental Microbiology, 14(9):2511-2525 (2012)
Weathering and dissolution rates among Pb shot pellets of differing elemental compositions exposed to various aqueous and soil conditions

Presenter : Takamatsu T., Murata T., Koshikawa-K.M., Watanabe Mirai.
Title : , Arch.Environ.Contam.Toxicol., 59(1):91-99 (2010)
Microbial biomass and nitrogen transformations in surface soils strongly acidified by volcanic hydrogen sulfide deposition in Osorezan, Japan

Presenter : Watanabe Mirai., Yamamura S., Takamatsu T., Koshikawa-K.M., Hayashi S., Murata T., Saito-S.S., Inubushi K., Sakamoto K.
Title : , Soil Sci.Plant Nutr., 56(1):123-132 (2010)
Pollution of montane soil with Cu, Zn, As, Sb, Pb, and nitrate in Kanto, Japan.

Presenter : Takamatsu T., Watanabe Mirai., Koshikawa-K.M., Murata T., Yamamura S., Hayashi S.
Title : , Sci.Total Environ., 408(8):1932-1942 (2010)
Potential for microbially mediated redox transformations and mobilization of arsenic in uncontaminated soils

Presenter : Yamamura S., Watanabe Mirai., Yamamoto N,, Sei K,, Ike M,
Title : , Chemosphere, 77(2):169-174 (2009)
Removal of arsenic from contaminated soils by microbial reduction of arsenate and quinone

Presenter : Yamamura S., Watanabe Mirai., Kanzaki M., Soda S., Ike M.
Title : , Environ.Sci.Technol., 42(16):6154-6159 (2008)
Dry deposition of acidic air pollutants to tree leaves, determined by a modified leaf-washing technique

Presenter : Watanabe Mirai., Takamatsu T., Koshikawa-K.M., Yamamura S., Inubushi K.
Title : , Atmos.Environ., 42(32):7339-7347 (2008)

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Volcanic ash in soil is a source of strontium in stream water in chert-bedrock forests in Mount Amamaki, Japan

Presenter : Koshikawa-K.m., Watanabe Mirai., Sase H., Morohashi M., Takahashi M., Tanikawa T., Takahashi M., Takahashi A., Murata T., Takamatsu T., Miura S., Shin K.C., Nakano T.
Title : , Ecological Research (2024)
Role of advection in atmospheric ammonia: A case study at a Japanese lake basin influenced by agricultural ammonia sources

Presenter : Kubota T., Kuroda H., Watanabe Mirai., Takahashi A., Nakazato R., Terui M., Matsumoto S., Nakagawa K., Numata Y., Ouchi T., Hosoi H., Nakagawa M., Shinohara R., Kajino M., Fukushima K., Igarashi Y., Imamura M., Katata G.
Title : , Atmospheric Environment, 243: (2020)
Comparison of potentials of higher plants for phytoremediation of radioactive cesium from contaminated soil

Presenter : Tamaoki M., Yabe T., Furukawa J., Watanabe Mirai., Ikeda K., Yasutani I., Nishizawa T.
Title : , Environmental Control in Biology, 54(1):65-69 (2016)

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Research Result (Presentation)

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Research Presentation
Research Lecture

Research Presentation
Effects of NH4+ Origin on 137Cs desorption from Lake Sediments

Presenter : Tsuji H., Funaki H., Watanabe M., Hayashi S.
Name of Society : 7th International Conference on Environmental Radioactivity (2023)
Name of Proceedings : Abstracts, 241
Research Presentation
Contribution of volcanic ash to Ca and Sr in stream waters in chert and granite watersheds in Japan.

Presenter : Koshikawa-K.m., Watanabe Mirai., Sase H., Morohashi M., Takahashi M., Tanikawa T., Takahashi M., Murata T., Takamatsu T., Miura S., Shin K.C., Nakano T.
Name of Society : the 10th International Conference on Acid Deposition (Acid Rain 2020) (2023)
Name of Proceedings : Abstracts, 160
Research Presentation
Using Sr isotopes to determine the contribution of volcanic ash to Sr and Ca in stream waters in a chert watershed

Presenter : Koshikawa-K.M., Watanabe Mirai., Murata T., Takamatsu T., Miura S., Ki-Cheol Shin, Takanori Nakano
Name of Society : Japan Geoscience Union Meeting 2019 (2019)
Name of Proceedings : Abstracts
Research Presentation
Selective determination of easily-available 137Cs in soil using 0.1 mol L-1 CsCl as an extraction reagent

Presenter : Koshikawa-K.M., Watanabe Mirai., Ito S., Takamatsu T., Murata T., Hayashi S.
Name of Society : 13th International Conference on the Biogeochemistry of Trace Elements (2015)
Name of Proceedings : ABSTRACT BOOK, 184
Research Lecture
Surveys of contamination by Pb shot and establishment of guidelines to prevent contamination in shooting ranges

Presenter : Murata T., Koshikawa-K.M., Watanabe Mirai., Takamatsu T.
Name of Society : Role of soils and materials to establish sustainable Asian Mega Cities. Kenkyukan Project Work Shop (2015)
Name of Proceedings : -
Research Presentation
Comparison based on concentration, d15N, and d18O of nitrate to analyze run-off nitrate discharge processes different between two mountain streams around Mt. Tsukuba, Japan

Presenter : Kohzu A., Watanabe Mirai., Hayashi S., Miura S., Imai A.
Name of Society : 3rd International Conference on Nitrification (ICoN3) (2013)
Name of Proceedings : Abstracts, 73-73
Research Presentation
Microbial community structure on tree leaves

Presenter : Watanabe K. , Watanabe Mirai., Suda W., Koshikawa-K.M., Yamamura S., Nishikiori T., Takenaka A., Tada C., Seiwa K., Hayashi S.
Name of Society : The 28th Annual Meeting of the Japanese Society of Microbial Ecology (2012)
Name of Proceedings : Abstracts, 153
Research Presentation
Metabolism in forest ecosystems from the analysis of nitrate 15N and 18O natural abundances in mountaion streams around Mt. Tsukuba, Japan

Presenter : Kohzu A., Watanabe Mirai., Hayashi S., Imai A., Nakajima Y., Osaka K., Miura S.
Name of Society : Voyages of Discovery (2012)
Name of Proceedings : Abstracts, 65
Research Presentation
Contribution of volcanic ash on base cation cycles in the Mt. Tsukuba forest ecosystem of Kanto, Japan as interpreted by strontium isotopes.

Presenter : Koshikawa-K.M., Watanabe Mirai., Shin K.C., Takamatsu T., Hayashi S., Nakano T.
Name of Society : 2012 ASLO aquatic sciences meeting (2012)
Name of Proceedings : Abstracts
Research Presentation
Ecological niche separation in the Polynucleobacter subclusters linked to quality of dissolved organic matter

Presenter : Watanabe K. , Imai A., Watanabe Mirai., Yamamura S., Hayashi S.
Name of Society : 2012 ASLO Aquatic Science Meeting (2012)
Name of Proceedings : Abstracts, 42
Research Presentation
Role of Redox Active Vitamins in Microbial Arsenic Mobilization

Presenter : Yamamura S., Watanabe K. , Watanabe Mirai., Soda S., Ike M.
Name of Society : IUMS 2011 Sapporo The unlimited world of Micribes (2011)
Name of Proceedings : Abstracts of IUMS 2011 Sapporo The unlimited world of Micribes
Research Presentation
Enhancement of microbial arsenic mobilization by natural mediators

Presenter : Yamamura S., Watanabe Mirai., Soda S., Ike M.
Name of Society : 19th Int.Symp.Environ.Biogeochem. (2009)
Name of Proceedings : Abstracts, 58
Research Presentation
210Pb concentrations and behaviors in surface air at Tsukuba, Japan

Presenter : Doi T., Watanabe Mirai., Hirose K.
Name of Society : Int.Top.Conf.Po Radioact.Pb Isot. (2009)
Name of Proceedings : Abstracts, 153
Research Presentation
Effect of an electron-shuttling compound in microbial arsenic mobilization

Presenter : Yamamura S., Watanabe Mirai., Kanzaki M.(*1), Soda S.(*1), Fujita M.(*1), Ike M.(*1)
Name of Society : 18th Int.Symp.Environ.Biogeochem. (2007)
Name of Proceedings : Proceedings

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Contribution of volcanic ash to Ca and Sr in stream waters in chert and granite watersheds in Japan.

Presenter : Koshikawa-K.m., Watanabe Mirai., Sase H., Morohashi M., Takahashi M., Tanikawa T., Takahashi M., Murata T., Takamatsu T., Miura S., Shin K.C., Nakano T.
Name of Society : the 10th International Conference on Acid Deposition (Acid Rain 2020) (2023)
Name of Proceedings : Abstracts, 160
Using Sr isotopes to determine the contribution of volcanic ash to Sr and Ca in stream waters in a chert watershed

Presenter : Koshikawa-K.M., Watanabe Mirai., Murata T., Takamatsu T., Miura S., Ki-Cheol Shin, Takanori Nakano
Name of Society : Japan Geoscience Union Meeting 2019 (2019)
Name of Proceedings : Abstracts
Selective determination of easily-available 137Cs in soil using 0.1 mol L-1 CsCl as an extraction reagent

Presenter : Koshikawa-K.M., Watanabe Mirai., Ito S., Takamatsu T., Murata T., Hayashi S.
Name of Society : 13th International Conference on the Biogeochemistry of Trace Elements (2015)
Name of Proceedings : ABSTRACT BOOK, 184
Enhancement of microbial arsenic mobilization by natural mediators

Presenter : Yamamura S., Watanabe Mirai., Soda S., Ike M.
Name of Society : 19th Int.Symp.Environ.Biogeochem. (2009)
Name of Proceedings : Abstracts, 58
Effect of an electron-shuttling compound in microbial arsenic mobilization

Presenter : Yamamura S., Watanabe Mirai., Kanzaki M.(*1), Soda S.(*1), Fujita M.(*1), Ike M.(*1)
Name of Society : 18th Int.Symp.Environ.Biogeochem. (2007)
Name of Proceedings : Proceedings
Effects of NH4+ Origin on 137Cs desorption from Lake Sediments

Presenter : Tsuji H., Funaki H., Watanabe M., Hayashi S.
Name of Society : 7th International Conference on Environmental Radioactivity (2023)
Name of Proceedings : Abstracts, 241
Comparison based on concentration, d15N, and d18O of nitrate to analyze run-off nitrate discharge processes different between two mountain streams around Mt. Tsukuba, Japan

Presenter : Kohzu A., Watanabe Mirai., Hayashi S., Miura S., Imai A.
Name of Society : 3rd International Conference on Nitrification (ICoN3) (2013)
Name of Proceedings : Abstracts, 73-73
Microbial community structure on tree leaves

Presenter : Watanabe K. , Watanabe Mirai., Suda W., Koshikawa-K.M., Yamamura S., Nishikiori T., Takenaka A., Tada C., Seiwa K., Hayashi S.
Name of Society : The 28th Annual Meeting of the Japanese Society of Microbial Ecology (2012)
Name of Proceedings : Abstracts, 153
Metabolism in forest ecosystems from the analysis of nitrate 15N and 18O natural abundances in mountaion streams around Mt. Tsukuba, Japan

Presenter : Kohzu A., Watanabe Mirai., Hayashi S., Imai A., Nakajima Y., Osaka K., Miura S.
Name of Society : Voyages of Discovery (2012)
Name of Proceedings : Abstracts, 65
Contribution of volcanic ash on base cation cycles in the Mt. Tsukuba forest ecosystem of Kanto, Japan as interpreted by strontium isotopes.

Presenter : Koshikawa-K.M., Watanabe Mirai., Shin K.C., Takamatsu T., Hayashi S., Nakano T.
Name of Society : 2012 ASLO aquatic sciences meeting (2012)
Name of Proceedings : Abstracts
Ecological niche separation in the Polynucleobacter subclusters linked to quality of dissolved organic matter

Presenter : Watanabe K. , Imai A., Watanabe Mirai., Yamamura S., Hayashi S.
Name of Society : 2012 ASLO Aquatic Science Meeting (2012)
Name of Proceedings : Abstracts, 42
Role of Redox Active Vitamins in Microbial Arsenic Mobilization

Presenter : Yamamura S., Watanabe K. , Watanabe Mirai., Soda S., Ike M.
Name of Society : IUMS 2011 Sapporo The unlimited world of Micribes (2011)
Name of Proceedings : Abstracts of IUMS 2011 Sapporo The unlimited world of Micribes
210Pb concentrations and behaviors in surface air at Tsukuba, Japan

Presenter : Doi T., Watanabe Mirai., Hirose K.
Name of Society : Int.Top.Conf.Po Radioact.Pb Isot. (2009)
Name of Proceedings : Abstracts, 153

View all

Surveys of contamination by Pb shot and establishment of guidelines to prevent contamination in shooting ranges

Presenter : Murata T., Koshikawa-K.M., Watanabe Mirai., Takamatsu T.
Name of Society : Role of soils and materials to establish sustainable Asian Mega Cities. Kenkyukan Project Work Shop (2015)
Name of Proceedings : -

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WATANABE Mirai

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