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- SAKAI Masaru
- Researcher Name
- SAKAI Masaru
- Div (Section) name/title
- Fukushima Regional Collaborative Research Center (FRECC)(Environmental Impact Assessment Section)/Senior Researcher
- Degree(s)
- Ph.D. (Global Environmental Studies)
- Professional Qualification(s)
- Biology
- Environmental Speciality Field
- River ecosystem,Forest ecosystem,Agroecosystem
- Research Subject
- Fiscal Year: 2024
- 26843 : Research of environmental impacts and management in the disaster areas of Fukushima
- 26845 : Studies for emergence of regional resources and systems at Hama-dori, Fukushima, lifted the evacuation instruction
- 26848 : Research on evaluation and clarification of effects and mechanisms of climate change
- 26849 : Research on Advancement of Climate Change Impact Assessment Methodology
- 26864 : Regional Environment Conservation Domain: Foresight and Advanced Basic Research
- 26899 : Monitoring the dynamics of radiocesium in a multi-media environment
- 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
- 26430 : Research of environmental impacts and management in the disaster areas of Fukushima
- 26432 : Studies for emergence of regional resources and systems at Hama-dori, Fukushima, lifted the evacuation instruction
- 26435 : Research on evaluation and clarification of effects and mechanisms of climate change
- 26436 : Research on Advancement of Climate Change Impact Assessment Methodology
- 26453 : Regional Environment Conservation Domain: Foresight and Advanced Basic Research
- 26627 : Monitoring the dynamics of radiocesium in a multi-media environment
- 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
- 26772 : Understanding the dynamics of animal communities and the maintenance of biodiversity in interactions among spring-fed and runoff streams
- Fiscal Year: 2022
- 25995 : Research of environmental impacts and management in the disaster areas of Fukushima
- 25997 : Studies for emergence of regional resources and systems at Hama-dori, Fukushima, lifted the evacuation instruction
- 26001 : Research on evaluation and clarification of effects and mechanisms of climate change
- 26002 : Research on Advancement of Climate Change Impact Assessment Methodology
- 26010 : Regional Environment Conservation Domain: Foresight and Advanced Basic Research
- 26035 : Monitoring the dynamics of radiocesium in a multi-media environment
- 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
- 25527 : Research of environmental impacts and management in the disaster areas of Fukushima
- 25529 : Studies for emergence of regional resources and systems at Hama-dori, Fukushima, lifted the evacuation instruction
- 25535 : Research on evaluation and clarification of effects and mechanisms of climate change
- 25536 : Research on Advancement of Climate Change Impact Assessment Methodology
- 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
- 25930 : Ecosystem functions of spring-fed streams in maintaining biodiversity in river networks
- Fiscal Year: 2020
- 25375 : Ecosystem functions of spring-fed streams in maintaining biodiversity in river networks
- Fiscal Year: 2024
- Research Result (Publication)
- all
- Original Paper
- Review
- Book
- Original Paper
Exploring simple ways to avoid collecting highly 137Cs-contaminated Aralia elata buds for the revival of local wild vegetable culturesPresenter : 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) - Original Paper
Real-time monitoring and postprocessing of thermal infrared video images for sampling and mapping groundwater dischargePresenter : Iwasaki K., Fukushima K., Nagasaka Y., Ishiyama N., Sakai M., Nagasaka A.
Title : , Water Resources Research, 59: (2023) - Original Paper
Intraspecific variation in advertisement call characteristics and acoustic strategies among male forest green tree frogsPresenter : Itakura N., Sakai M., Sato R., Nishihara S., Yoshida T., Washitani I.
Title : , Population Ecology (2023) - Presenter : Tsuji H., Nishikiori T., Ito S., Ozaki H., Watanabe Mirai., Sakai M., Ishii Y., Hayashi S.
Title : , Environmental Pollution (2023) - Book
Spring ecosystems in Japan: Knowledge and perspectivesPresenter : Sakai M., Naito R.S., Bauman D.
Title : , Springs of the World: Distribution, Ecology, and Conservation Status (2023) - Presenter : Hayashi S., Watanabe Mirai., Koshikawa-K.m., Takada M., Takechi S., Takagi M., Sakai M., Tamaoki M.
Title : , Scientific Reports, 13(14162): (2023) - Presenter : Kadowaki K., Honjo M.N., Nakamura N., Kitagawa Y., Ishihara M.I., Matsuoka S., Tachiki Y., Fukushima K., Sakaguchi S., Mizuki I., Fujiki D., Sakai M., Takayanagi A., Yamasaki M., Tokuchi N., Takahashi D., Nagasawa K., Masuda K.
Title : , Environmental DNA (2023) - Book
Indirect effects of deer overgrazing on stream ecosystemsPresenter : Sakai M., Fukushima K., Nakagawa H.
Title : , Sika deer: life history plasticity and management (2022) - Presenter : Nakagawa H., Fukushima K., Sakai M., Wu L., Minamoto T.
Title : , Environmental DNA (2022) - Original Paper
Contrasting seasonality of 137Cs concentrations in two stream animals that share a trophic nichePresenter : Sakai M., Ishii Y., Tsuji H., Tanaka A., Jo J., Negishi J.N., Hayashi S.
Title : , Environmental Pollution, (120474): (2022) - Presenter : Sakai M., Tsuji H., Ishii Y., Ozaki H., Takechi S., Jo J., Tamaoki M., Hayashi S., Gomi T.
Title : , Environmental Pollution, 288(117744): (2021) - Original Paper
Seasonal variations of 137Cs concentration in freshwater charr through uptake and metabolism in 1-2 years after the Fukushima accidentPresenter : Okada K., Sakai M., Gomi T., Iwamoto A., Negishi J.N., Nunokawa M.
Title : , Ecological Research (2021) - Book
Characteristics of 137Cs concentration and radioactivity transfer in large aquatic insect speciesPresenter : Fujino T., Senavirathna M.D.H.J, Sakai M., Gomi T.
Title : , Impacts of Fukushima nuclear accident on freshwater environments (2021) - Original Paper
Seasonal and annual fluctuations of deer populations estimated by a Bayesian state-space modelPresenter : Mizuki I., Ito H., Yamasaki M., Fukumoto S., Okamoto Y., Katsuki M., Fukushima K., Sakai M., Sakaguchi S., Fujiki D., Nakagawa H., Ishihara MI., Takayanagi A.
Title : , PLOS ONE, 15(e0225872): (2020)
- 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) - Presenter : Iwasaki K., Fukushima K., Nagasaka Y., Ishiyama N., Sakai M., Nagasaka A.
Title : , Water Resources Research, 59: (2023) - Presenter : Itakura N., Sakai M., Sato R., Nishihara S., Yoshida T., Washitani I.
Title : , Population Ecology (2023) - Presenter : Tsuji H., Nishikiori T., Ito S., Ozaki H., Watanabe Mirai., Sakai M., Ishii Y., Hayashi S.
Title : , Environmental Pollution (2023) - Presenter : Hayashi S., Watanabe Mirai., Koshikawa-K.m., Takada M., Takechi S., Takagi M., Sakai M., Tamaoki M.
Title : , Scientific Reports, 13(14162): (2023) - Presenter : Kadowaki K., Honjo M.N., Nakamura N., Kitagawa Y., Ishihara M.I., Matsuoka S., Tachiki Y., Fukushima K., Sakaguchi S., Mizuki I., Fujiki D., Sakai M., Takayanagi A., Yamasaki M., Tokuchi N., Takahashi D., Nagasawa K., Masuda K.
Title : , Environmental DNA (2023) - Presenter : Nakagawa H., Fukushima K., Sakai M., Wu L., Minamoto T.
Title : , Environmental DNA (2022) - Presenter : Sakai M., Ishii Y., Tsuji H., Tanaka A., Jo J., Negishi J.N., Hayashi S.
Title : , Environmental Pollution, (120474): (2022) - Presenter : Okada K., Sakai M., Gomi T., Iwamoto A., Negishi J.N., Nunokawa M.
Title : , Ecological Research (2021) - Presenter : Mizuki I., Ito H., Yamasaki M., Fukumoto S., Okamoto Y., Katsuki M., Fukushima K., Sakai M., Sakaguchi S., Fujiki D., Nakagawa H., Ishihara MI., Takayanagi A.
Title : , PLOS ONE, 15(e0225872): (2020)
- Presenter : Sakai M., Tsuji H., Ishii Y., Ozaki H., Takechi S., Jo J., Tamaoki M., Hayashi S., Gomi T.
Title : , Environmental Pollution, 288(117744): (2021)
- Spring ecosystems in Japan: Knowledge and perspectivesPresenter : Sakai M., Naito R.S., Bauman D.
Title : , Springs of the World: Distribution, Ecology, and Conservation Status (2023) - Indirect effects of deer overgrazing on stream ecosystemsPresenter : Sakai M., Fukushima K., Nakagawa H.
Title : , Sika deer: life history plasticity and management (2022) - Characteristics of 137Cs concentration and radioactivity transfer in large aquatic insect speciesPresenter : Fujino T., Senavirathna M.D.H.J, Sakai M., Gomi T.
Title : , Impacts of Fukushima nuclear accident on freshwater environments (2021)
- Research Result (Presentation)
- all
- Research Presentation
- Research Lecture
- Research Presentation
Competition differentiates Cs-137 concentrations in between sympatric salmonids in a highly contaminated zonePresenter : Sakai M., Ishii Y., Hayashi S., Takasaki K., Teramoto W., Funaki Y., Kanasashi T., Wada T.
Name of Society : 6th International Conference on Radioecology & Environmental Radioactivity (2024)
Name of Proceedings : - - Research Presentation
Stable isotope analysis reveals the important 137Cs sources for fish in river and lake food webs in FukushimaPresenter : Ishii Y., Matsuzaki S., Nakagawa M., Jo J., Sakai M., Wada T., Kanasashi T., Takasaki K., Teramoto W., Funaki Y., Hayashi S.
Name of Society : 6th International Conference on Radioecology & Environmental Radioactivity (2024)
Name of Proceedings : - - Presenter : Tsuji H., Ishii Y., Sakai M., Hayashi S.
Name of Society : 第34回台日工程技術研討會 (2023)
Name of Proceedings : - - Research Presentation
Deer overgrazing alters stream water chemistry in forested catchments: importance of understory vegetation in nutrient retentionPresenter : Fukushima K., Sakaguchi S., Sakai M., Mizuki I., Fujiki D., Nakagawa H., Yamasaki M., Ishihara M., Takayanagi A.
Name of Society : 69th Annual Meeting of Ecological Society of Japan (2022)
Name of Proceedings : - - Research Presentation
Nitrate contamination of mountainous headwater streams from adjacent agricultural and pasture lands beyond the watershed boundary in eastern Hokkaido, JapanPresenter : Fukushima K., Iwasaki K., Sakai M., Oda Y., Koba K., Katata G., Yamaguchi T., Kubota T., Nagano H., Watanabe M., Koarashi J.
Name of Society : JpGU-AGU Joint Meeting 2020 (2020)
Name of Proceedings : -
- Presenter : Sakai M., Ishii Y., Hayashi S., Takasaki K., Teramoto W., Funaki Y., Kanasashi T., Wada T.
Name of Society : 6th International Conference on Radioecology & Environmental Radioactivity (2024)
Name of Proceedings : - - Presenter : Ishii Y., Matsuzaki S., Nakagawa M., Jo J., Sakai M., Wada T., Kanasashi T., Takasaki K., Teramoto W., Funaki Y., Hayashi S.
Name of Society : 6th International Conference on Radioecology & Environmental Radioactivity (2024)
Name of Proceedings : - - Presenter : Fukushima K., Sakaguchi S., Sakai M., Mizuki I., Fujiki D., Nakagawa H., Yamasaki M., Ishihara M., Takayanagi A.
Name of Society : 69th Annual Meeting of Ecological Society of Japan (2022)
Name of Proceedings : - - Presenter : Fukushima K., Iwasaki K., Sakai M., Oda Y., Koba K., Katata G., Yamaguchi T., Kubota T., Nagano H., Watanabe M., Koarashi J.
Name of Society : JpGU-AGU Joint Meeting 2020 (2020)
Name of Proceedings : -
- Presenter : Tsuji H., Ishii Y., Sakai M., Hayashi S.
Name of Society : 第34回台日工程技術研討會 (2023)
Name of Proceedings : -
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