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4. FUKASAWA Keita

Researcher Name

FUKASAWA Keita

Div (Section) name/title

Biodiversity Division(Biodiversity Assessment and Projection Section)/Chief Senior Researcher

Research Subject

Connecting data and decision-making in ecosystem management using ecological models

Degree(s)

Doctor of Philosophy

Professional Qualification(s)

Biology,Geography,Forestry

Environmental Speciality Field

ecology,conservation biology,wildlife management

Research Subject

• Fiscal Year: 2025
  • 27210 : Sustainable ecosystem management strategies for a society with a declining population
  • 27215 : Integrative research toward balancing conservation and use of biodiversity and behavior change
  • 27226 : Research of environmental impacts and management in the disaster areas of Fukushima
  • 27248 : Biodiversity Domain: Foresight and Advanced Basic Research
  • 27249 : Biodiversity Domain: Policy-Oriented Research
  • 27387 : Effect of oversea seed dispersal by island birds on plant populations
  • 27424 : Investigation of associations between biodiversity and children’s health and presentation of health related nature positive indice
  • 27470 : Fukushima terrestrial ecosystem monitoring for regional collaborative environment assessment and management
  • 27474 : Constructing a system for supporting acoustic biodiversity monitoring which leads to synergy between machine observations and citizen participatory surveys
  • 27475 : Developing soundscape index towards biodiversity monitoring using full-spectrum sound and AI
• Fiscal Year: 2024
  • 26823 : Sustainable ecosystem management strategies for a society with a declining population
  • 26828 : Integrative research toward balancing conservation and use of biodiversity and behavior change
  • 26843 : Research of environmental impacts and management in the disaster areas of Fukushima
  • 26866 : Biodiversity Domain: Foresight and Advanced Basic Research
  • 26867 : Biodiversity Domain: Policy-Oriented Research
  • 27008 : Fukushima terrestrial ecosystem monitoring for regional collaborative environment assessment and management
  • 27074 : How to put depopulated landscapes to sleep in harmony with nature: validation using multi-data sources and development of the evaluation system.
  • 27121 : Investigation of associations between biodiversity and children’s health and presentation of health related nature positive indice
  • 27184 : Evaluation of biodiversity conservation effect by protected area, OECM, and nature recovery
• Fiscal Year: 2023
  • 26415 : Sustainable ecosystem management strategies for a society with a declining population
  • 26419 : Integrative research toward balancing conservation and use of biodiversity and behavior change
  • 26430 : Research of environmental impacts and management in the disaster areas of Fukushima
  • 26454 : Biodiversity Domain: Foresight and Advanced Basic Research
  • 26455 : Biodiversity Domain: Policy-Oriented Research
  • 26641 : How to put depopulated landscapes to sleep in harmony with nature: validation using multi-data sources and development of the evaluation system.
  • 26642 : Fukushima terrestrial ecosystem monitoring for regional collaborative environment assessment and management
• Fiscal Year: 2022
  • 25979 : Sustainable ecosystem management strategies for a society with a declining population
  • 25983 : Integrative research toward balancing conservation and use of biodiversity and behavior change
  • 25995 : Research of environmental impacts and management in the disaster areas of Fukushima
  • 26012 : Biodiversity Domain: Foresight and Advanced Basic Research
  • 26013 : Biodiversity Domain: Policy-Oriented Research
  • 26204 : How to put depopulated landscapes to sleep in harmony with nature: validation using multi-data sources and development of the evaluation system.
  • 26205 : Fukushima terrestrial ecosystem monitoring for regional collaborative environment assessment and management
• Fiscal Year: 2021
  • 25512 : Sustainable ecosystem management strategies for a society with a declining population
  • 25516 : Integrative research toward balancing conservation and use of biodiversity and behavior change
  • 25527 : Research of environmental impacts and management in the disaster areas of Fukushima
  • 25631 : How to put depopulated landscapes to sleep in harmony with nature: validation using multi-data sources and development of the evaluation system.
  • 25746 : Fukushima terrestrial ecosystem monitoring for regional collaborative environment assessment and management
  • 25809 : Biodiversity Domain: Foresight and Advanced Basic Research
  • 25810 : Biodiversity Domain: Policy-Oriented Research
• Fiscal Year: 2020
  • 25098 : Harmonization with Nature Research Program
  • 25100 : Environment-Economy-Society Integration Research Program
  • 25136 : Strategic Conservation Planning Based on Assessment of Social-ecological Interactions
  • 25150 : Study on Development of Integrated Roadmap for Environment and Society at Regional Scale Focusing Adaptation and Mitigation
  • 25151 : Policy Evaluation for Environmentally Sustainable Society
  • 25154 : Research for impacts on organisms and ecosystem from environmental radiation and evacuation in Fukushima
  • 25201 : Analysis on driving forces related to climate change and ecosystem changes, and policy options to mitigate the changes
• Fiscal Year: 2019
  • 24691 : Developping statistical models for evaluation of wildlife management
  • 24695 : Harmonization with Nature Research Program
  • 24697 : Environment-Economy-Society Integration Research Program
  • 24716 : Strategic Conservation Planning Based on Assessment of Social-ecological Interactions
  • 24730 : Study on Development of Integrated Roadmap for Environment and Society at Regional Scale Focusing Adaptation and Mitigation
  • 24731 : Policy Evaluation for Environmentally Sustainable Society
  • 24735 : Research for impacts on organisms and ecosystem from environmental radiation and evacuation in Fukushima
  • 24790 : Analysis on driving forces related to climate change and ecosystem changes, and policy options to mitigate the changes
• Fiscal Year: 2018
  • 24299 : Strategic conservation planning based on assessment of social-ecological interactions
  • 24313 : Policy evaluation for environmentally sustainable society
  • 24314 : Study on development of integrated roadmap for environment and society at regional scale focusing adaptation and mitigation
  • 24327 : Research for Impacts on Organisms and Ecosystem from Environmental Radiation and Evacuation in Fukushima
  • 24354 : Harmonization with Nature Research Program
  • 24356 : Environment-Economy-Society Integration Research Program
  • 24374 : Analysis on Driving Forces related to climate change and ecosystem changes, and policy options to mitigate the changes
• Fiscal Year: 2017
  • 23814 : Policy evaluation for environmentally sustainable society
  • 23815 : Study on development of integrated roadmap for environment and society at regional scale focusing adaptation and mitigation
  • 23829 : Strategic conservation planning based on assessment of social-ecological interactions
  • 23845 : Harmonization with Nature Research Program
  • 23846 : Environment-Economy-Society Integration Research Program
  • 23867 : Research for Impacts on Organisms and Ecosystem from Environmental Radiation and Evacuation in Fukushima
  • 23914 : Analysis on Driving Forces related to climate change and ecosystem changes, and policy options to mitigate the changes
  • 23982 : Developping statistical models for evaluation of wildlife management
  • 24084 : Establishment of appropriate and efficient disposal system for captured wildlife
  • 24182 : Assessment of tourism sustainability using socio-ecological approach: balancing conservation with tourism access
  • 24191 : Development of the regional-scale assessment of biodiversity in the era of depopulation
• Fiscal Year: 2016
  • 23408 : Harmonization with Nature Research Program
  • 23409 : Strategic conservation planning based on assessment of social-ecological interactions
  • 23423 : Environment-Economy-Society Integration Research Program
  • 23425 : Study on development of integrated roadmap for environment and society at regional scale focusing adaptation and mitigation
  • 23426 : Policy evaluation for environmentally sustainable society
  • 23430 : Research for Impacts on Organisms and Ecosystem from Environmental Radiation and Evacuation in Fukushima
  • 23567 : Analysis on Driving Forces related to climate change and ecosystem changes, and policy options to mitigate the changes
  • 23643 : Development of the regional-scale assessment of biodiversity in the era of depopulation
  • 23644 : Development of a monitoring method for dragonflies using camera traps
  • 23766 : Assessment of tourism sustainability using socio-ecological approach: balancing conservation with tourism access
• Fiscal Year: 2015
  • 23008 : The study on the large scale assessment of biodiversity and its furure projection based on social scenario analysis
  • 23009 : The study for biodiversity impact assessment and management of artificial disturbance to environment
  • 23036 : Environmental Recovery Research Program
  • 23037 : Research for Impacts on Organisms and Ecosystem
  • 23196 : Effect of individual heterogeneity in behavioral decision making on the viability and spatio-temporal pattern of black bear population
  • 23198 : Monitoring ecosystem change and studies on restoration of disturbed ecosystem in areas affected by the Fukushima Daiichi nuclear disaster
• Fiscal Year: 2014
  • 22596 : The study on the large scale assessment of biodiversity and its furure projection based on social scenario analysis
  • 22597 : The study for biodiversity impact assessment and management of artificial disturbance to environment
  • 22647 : Environmental Recovery Research Program
  • 22649 : Research for Impacts on Organisms and Ecosystem
  • 22807 : Quantitative evaluation of archeological human impact on the current biodiversity pattern in Japan
  • 22809 : Effect of individual heterogeneity in behavioral decision making on the viability and spatio-temporal pattern of black bear population
  • 22952 : Monitoring ecosystem change and studies on restoration of disturbed ecosystem in areas affected by the Fukushima Daiichi nuclear disaster
  • 22953 : A pioneer study on a long-term dynamics of landscape and biota in abandoned villeges
• Fiscal Year: 2013
  • 22180 : The study on the large scale assessment of biodiversity and its furure projection based on social scenario analysis
  • 22181 : The study for biodiversity impact assessment and management of artificial disturbance to environment
  • 22300 : Effect of individual heterogeneity in behavioral decision making on the viability and spatio-temporal pattern of black bear population
  • 22374 : Sensitivity analysis of a density estimator of brown bear against spatial heterogeneity of habitat use and development of survey support tool
  • 22381 : Quantitative evaluation of archeological human impact on the current biodiversity pattern in Japan
  • 22527 : Development of integrated control methods and systems for invasive alien animals
• Fiscal Year: 2012
  • 21751 : The study on the large scale assessment of biodiversity and its furure projection based on social scenario analysis
  • 21752 : The study for biodiversity impact assessment and management of artificial disturbance to envirinment
  • 21853 : Development of integrated control methods and systems for invasive alien animals
  • 21914 : Sensitivity analysis of a density estimator of brown bear against spatial heterogeneity of habitat use and development of survey support tool
  • 21935 : Quantitative evaluation of archeological human impact on the current biodiversity pattern in Japan
• Fiscal Year: 2011
  • 21309 : The study on the large scale assessment of biodiversity and its furure projection based on social scenario analysis
  • 21310 : The study for biodiversity impact assessment and management of artificial disturbance to envirinment
  • 21536 : Development of integrated control methods and systems for invasive alien animals
  • 21594 : Sensitivity analysis of a density estimator of brown bear against spatial heterogeneity of habitat use and development of survey support tool

Research Result (Publication)

• all
• Original Paper
• Review
• Other Publications

• Original Paper
  Optimizing the frequency of question items for bird species in quiz-style online training

  Presenter : Ogawa Y., Fukasawa K., Yoshioka A., Kumada N., Takenaka A., Kamijo T.
  Title : , Ecological Informatics, 85:102908 (2025)
• Original Paper
  Mechanistic home range capture-recapture models for the estimation of population density and landscape connectivity

  Presenter : Fukasawa K., Higashide D.
  Title : , Ecology, 106(2):e70046 (2025)
• Original Paper
  Disease outbreak in wildlife changes online sales of management items

  Presenter : Endo T., Uryu S., Fukasawa K., Kang J., Kubo T.
  Title : , One Health, 20(100988): (2025)
• Original Paper
  Snapshot Japan 2023: the first camera trap dataset under a globally standardised protocol in Japan

  Presenter : Fukasawa K., Morosawa T., Nakashima Y., Takagi S., Yokoyama T., Ando M., Iijima H., Saito M. U., Kumada N., Tochigi K., Yoshioka A., Funatsu S. , Koike S., Uno H., Enomoto T., McShea W., Kays R.
  Title : , Biodiversity Data Journal, 13:e141168 (2025)
• Original Paper
  Silver-spoon effect in agricultural crop consumers: crop consumption enhances skeletal growth in sika deer

  Presenter : Hata A., Saeki M., Kozakai C., Nakashita R., Fukasawa K., Nakajima Y., Murata R., Harada Y., Takada M. B.
  Title : , PeerJ, 13:e19836 (2025)
• Original Paper
  Vehicle-mounted cameras reveal negative impact of the Fukushima Daiichi nuclear power plant accident on large-bodied bird abundance via paddy field abandonment

  Presenter : Kumada N., Fukasawa K., Yoshioka A., Tsuda N., Ouchi H.
  Title : , Science of The Total Environment, 1005: (2025)
• Original Paper
  Scalable phylogenetic Gaussian process models improve the detectability of environmental signals on local extinctions for many Red List species

  Presenter : Matsuba M., Fukasawa K., Aoki S., Akasaka M., Ishihama F.
  Title : , Methods in Ecology and Evolution, 1-13 (2024)
• Original Paper
  Kernel density estimation of allele frequency including undetected alleles

  Presenter : Aoki S., Fukasawa K.
  Title : , PeerJ, 12:e17248 (2024)
• Original Paper
  Higher-order dissimilarity in biodiversity: Identifying dissimilarities of spatial or temporal dissimilarity structures

  Presenter : Nakadai R., Fukasawa K., Kadoya T., Ishihama F.
  Title : , British Ecological Society, 15(9):1497-1506 (2024)
• Original Paper
  "Wait" to promote high sighting rates of wildlife in tourism: evidence from a wildlife disturbance experiment

  Presenter : Hsu C., Fukasawa K., Mizuta T., Kimoto Y., Mameno K., Ando H., Kang J., Kubo T.
  Title : , Asia Pacific Journal of Tourism Research, 1-11 (2024)
• Original Paper
  Spatiotemporal smoothing of water quality in a complex riverine system with physical barriers

  Presenter : Nishimoto M., Miyashita T., Fukasawa K.
  Title : , Science of the Total Environment, 948(20):174843 (2024)
• Original Paper
  Camera-trapping estimates of the relative population density of Sympetrum dragonflies: application to multihabitat users in agricultural landscapes

  Presenter : Yoshioka A., Mitamura T., Matsuki N., Shimizu A., Ouchi H., Oguma H., Jo J., Fukasawa K., Kumada N., Jingu S., Tabuchi K.
  Title : , PeerJ, 11:e14881 (2023)
• Original Paper
  State-space model combining local camera data and regional administration data reveals population dynamics of wild boar

  Presenter : Kasada M., Nakashima Y., Fukasawa K., Yajima G., Yokomizo H., Miyashita T.
  Title : , Population Ecology, 65(1):80-92 (2023)
• Original Paper
  Quiz-style online training tool helps to learn birdsong identification and support citizen science

  Presenter : Ogawa Y., Fukasawa K., Yoshioka A., Kumada N., Takenaka A., Ito T.
  Title : , PeerJ, 11(e15387): (2023)
• Original Paper
  Robustness of genetic diversity measures under spatial sampling and a new frequency-independent measure

  Presenter : Aoki S., Ishihama F., Fukasawa K.
  Title : , PeerJ, 11:e16027 (2023)
• Original Paper
  Demographic parameters of Asian black bears in central Japan

  Presenter : Tochigi K., Steyaert S.M.J.G., Fukasawa K., Kuroe M., Anezaki T., Naganuma T., Kozakai C., Inagaki A., Yamazaki K., Koike S.
  Title : , Mammal Study, 48(4): (2023)
• Other Publications
  Distance sampling with vehicle-mounted cameras for the estimation of farmland bird abundance over a wide area

  Presenter : Kumada N., Fukasawa K., Yoshioka A., Tsuda N., Ouchi H.
  Title : , bioRxiv (2023)
• Original Paper
  Positive and negative effects of land abandonment on butterfly communities revealed by a hierarchical sampling design across climatic regions

  Presenter : Sugimoto N., Fukasawa K., Asahara A., Kasada M., MATSUBA M., Miyashita T.
  Title : , Proceedings of the Royal Society B: Biological Sciences, 289(1971):20212222 (2022)
• Original Paper
  Estimation of breeding population size using DNA-based pedigree reconstruction in brown bears

  Presenter : Shimozuru S., Jimbo M., Adachi K., Kawamura K., Shirane Y., Umemura Y., Ishinazaka T., Nakanishi M., Kiyonari M., Yamanaka M., Amagai Y., Ijuin A., Sakiyama T., Kasai S., Nose T., Shirayanagi M., Tsuruga H., Mano T., Tsubota T., Fukasawa K., Uno H.
  Title : , Ecology and Evolution, 12(9):e9246 (2022)
• Original Paper
  Estimations and projections of Avena fatua dynamics under multiple management scenarios in crop fields using simplified longitudinal monitoring

  Presenter : Matsuhashi S., Asai M., Fukasawa K.
  Title : , PLOS ONE, 16(1):e0245217 (2021)
• Original Paper
  Spatial optimization of invasive species control informed by management practices

  Presenter : Nishimoto M., Miyashita T., Yokomizo H., Matsuda H., Imazu T., Takahashi H., Hasegawa M., Fukasawa K.
  Title : , Ecological Applications, 31(3):e02261 (2021)
• Original Paper
  Effectiveness of signs of activity as relative abundance indices for wild boar

  Presenter : Higashide D., Kuriyama T., Takagi S., Nakashima Y., Fukasawa K., Yajima G., Kasada M., Yokoyama M.
  Title : , Wildlife Biology, 2021(4):wlb.00869 (2021)
• Original Paper
  Occurrence patterns of crop-foraging sika deer distribution in an agriculture–forest landscape revealed by nitrogen stable isotopes

  Presenter : Hata A., Nakashita R., Fukasawa K., Minami M., Fukue Y., Higuchi N., Uno H., Nakajima Y., Saeki M., Kozakai C., Takada M. B.
  Title : , Ecology and Evolution, 11(21):15303-15311 (2021)
• Original Paper
  Rapid behavioural responses of native frogs caused by past predation pressure from invasive mongooses

  Presenter : Komine H., Fukasawa K., Akasaka M., Watari Y., Iwai N., Kaji K.
  Title : , Journal of Zoology, 310(2):126-134 (2020)
• Original Paper
  Development of a camera trap for perching dragonflies: a new tool for freshwater environmental assessment

  Presenter : Yoshioka A., Shimizu A., Oguma H., Kumada N., Fukasawa K., Jingu S., Kadoya T.
  Title : , PeerJ, 8:e9681 (2020)
• Original Paper
  Acoustic monitoring data of anuran species inside and outside the evacuation zone of the Fukushima Daiichi power plant accident

  Presenter : Yoshioka A., Matsushima N., Jingu S., Kumada N., Yokota R., Totsu K., Fukasawa K.
  Title : , Ecological Research, 35:765-772 (2020)
• Original Paper
  Is harvest size a valid indirect measure of abundance for evaluating the population size of game animals using harvest-based estimation?

  Presenter : Fukasawa K., Osada Y., Iijima H.
  Title : , Wildlife Biology, 2020(4):wlb.00708 (2020)
• Review
  Overview of Open Biodiversity Data around the Fukushima Disaster Area and the Nuclear Power Plants in Japan

  Presenter : Yoshioka A., Kumada N., Ogawa Y., Fukasawa K.
  Title : , Global Environmental Research, 24:95-104 (2020)
• Original Paper
  Long-lasting effects of historical land use on the current distribution of mammals revealed by ecological and archaeological patterns

  Presenter : Fukasawa K., Akasaka T.
  Title : , Scientific Reports, 9:10697 (2019)
• Original Paper
  High‐resolution national land use scenarios under a shrinking population in Japan

  Presenter : Ohashi H., Fukasawa K., Ariga T., Matsui T., Hijioka Y.
  Title : , Transactions in GIS, 23(4):786-804 (2019)
• Original Paper
  Assessing the potential impacts of climate and population change on land-use changes projected to 2100 in Japan

  Presenter : Fujita T., Ariga T., Hijioka Y., Fukasawa K., Ohashi H.
  Title : , Climate Research, 79:139-149 (2019)
• Original Paper
  Estimating animal density without individual recognition using information derivable exclusively from camera traps

  Presenter : Nakashima Y., Fukasawa K., Samejima H.
  Title : , Journal of Applied Ecology, 55(2):735-744 (2018)
• Original Paper
  Ecological dissimilarity among land-use/land-cover types improves a heterogeneity index for predicting biodiversity in agricultural landscapes

  Presenter : Yoshioka A., Fukasawa K., Mishima Y., Sasaki K., Kadoya T.
  Title : , Ambio, 46(8):894-906 (2017)
• Original Paper
  Stable isotope and DNA analyses reveal the spatial distribution of crop-foraging brown bears

  Presenter : Hata A., Takada M.B., Nakashita R., Fukasawa K., Oshida T., Ishibashi Y., Sato Y.
  Title : , Journal of Zoology, 303(3):207-217 (2017)
• Original Paper
  Acoustic monitoring data of avian species inside and outside the evacuation zone of the Fukushima Daiichi power plant accident

  Presenter : Fukasawa K., Mishima Y., Yoshioka A., Kumada N., Totsu K.
  Title : , Ecological Research, 32(6):769 (2017)
• Original Paper
  Song-count surveys and population estimates reveal the recovery of the endangered Amami Thrush Zoothera dauma major, which is endemic to Amami-Oshima Island in south-western Japan

  Presenter : Mizuta T., Takashi M., Torikai H., Watanabe T., Fukasawa K.
  Title : , Bird Conservation International, 27(4):470-482 (2017)
• Original Paper
  Mammal assemblages recorded by camera traps inside and outside the evacuation zone of the Fukushima Daiichi Nuclear Power Plant accident

  Presenter : Fukasawa K., Mishima Y., Yoshioka A., Kumada N., Totsu K., Osawa T.
  Title : , Ecological Research, 31(4):493 (2016)
• Original Paper
  Mixed Mating System Are Regulated by Fecundity in Shorea curtisii (Dipterocarpaceae) as Revealed by Comparison under Different Pollen Limited Conditions

  Presenter : Tani N., Tsumura Y., Fukasawa K., Kado T., Taguchi Y., Lee S.L., Lee C.T., Muhammad N., Niiyama K., Otani T., Yagihashi T., Tanouch H., Ripin A., Kassim A.R.
  Title : , PLoS ONE, 10(5):e0123445 (2015)
• Original Paper
  Pollinators and other flying insects inside and outside the Fukushima evacuation zone

  Presenter : Yoshioka A., Mishima Y., Fukasawa K.
  Title : , PLOS ONE, 10(e0140957):1-16 (2015)
• Original Paper
  Reconstruction and prediction of invasive mongoose population dynamics from history of introduction and management: a Bayesian state-space modelling approach

  Presenter : Fukasawa K. , Hashimoto T., Tatara M., Abe S.
  Title : , Journal of Applied Ecology, 50(2):469-478 (2013)
• Original Paper
  Differential population responses of native and alien rodents to an invasive predator, habitat alteration and plant masting

  Presenter : Fukasawa K., Miyashita T., Hashimoto T., Tatara M., Abe S.
  Title : , Proceedings of the Royal Society B: Biological Sciences, 280(1773): (2013)
• Original Paper
  Male fecundity and pollen dispersal in hill dipterocarps: significance of mass synchronized flowering and implications for conservation

  Presenter : Tani N., Tani N., Tsumura Y., Fukasawa K., Kado T., Taguchi Y., LEE S.L., LEE C.T., Muhammad N., Niiyama K., Otani T., Yagihashi T., bin Ripin A., Kassim A.R.
  Title : , Journal of Ecology, 100(2):405-415 (2012)

• Optimizing the frequency of question items for bird species in quiz-style online training

  Presenter : Ogawa Y., Fukasawa K., Yoshioka A., Kumada N., Takenaka A., Kamijo T.
  Title : , Ecological Informatics, 85:102908 (2025)
• Mechanistic home range capture-recapture models for the estimation of population density and landscape connectivity

  Presenter : Fukasawa K., Higashide D.
  Title : , Ecology, 106(2):e70046 (2025)
• Disease outbreak in wildlife changes online sales of management items

  Presenter : Endo T., Uryu S., Fukasawa K., Kang J., Kubo T.
  Title : , One Health, 20(100988): (2025)
• Snapshot Japan 2023: the first camera trap dataset under a globally standardised protocol in Japan

  Presenter : Fukasawa K., Morosawa T., Nakashima Y., Takagi S., Yokoyama T., Ando M., Iijima H., Saito M. U., Kumada N., Tochigi K., Yoshioka A., Funatsu S. , Koike S., Uno H., Enomoto T., McShea W., Kays R.
  Title : , Biodiversity Data Journal, 13:e141168 (2025)
• Silver-spoon effect in agricultural crop consumers: crop consumption enhances skeletal growth in sika deer

  Presenter : Hata A., Saeki M., Kozakai C., Nakashita R., Fukasawa K., Nakajima Y., Murata R., Harada Y., Takada M. B.
  Title : , PeerJ, 13:e19836 (2025)
• Vehicle-mounted cameras reveal negative impact of the Fukushima Daiichi nuclear power plant accident on large-bodied bird abundance via paddy field abandonment

  Presenter : Kumada N., Fukasawa K., Yoshioka A., Tsuda N., Ouchi H.
  Title : , Science of The Total Environment, 1005: (2025)
• Scalable phylogenetic Gaussian process models improve the detectability of environmental signals on local extinctions for many Red List species

  Presenter : Matsuba M., Fukasawa K., Aoki S., Akasaka M., Ishihama F.
  Title : , Methods in Ecology and Evolution, 1-13 (2024)
• Kernel density estimation of allele frequency including undetected alleles

  Presenter : Aoki S., Fukasawa K.
  Title : , PeerJ, 12:e17248 (2024)
• Higher-order dissimilarity in biodiversity: Identifying dissimilarities of spatial or temporal dissimilarity structures

  Presenter : Nakadai R., Fukasawa K., Kadoya T., Ishihama F.
  Title : , British Ecological Society, 15(9):1497-1506 (2024)
• "Wait" to promote high sighting rates of wildlife in tourism: evidence from a wildlife disturbance experiment

  Presenter : Hsu C., Fukasawa K., Mizuta T., Kimoto Y., Mameno K., Ando H., Kang J., Kubo T.
  Title : , Asia Pacific Journal of Tourism Research, 1-11 (2024)
• Spatiotemporal smoothing of water quality in a complex riverine system with physical barriers

  Presenter : Nishimoto M., Miyashita T., Fukasawa K.
  Title : , Science of the Total Environment, 948(20):174843 (2024)
• Camera-trapping estimates of the relative population density of Sympetrum dragonflies: application to multihabitat users in agricultural landscapes

  Presenter : Yoshioka A., Mitamura T., Matsuki N., Shimizu A., Ouchi H., Oguma H., Jo J., Fukasawa K., Kumada N., Jingu S., Tabuchi K.
  Title : , PeerJ, 11:e14881 (2023)
• State-space model combining local camera data and regional administration data reveals population dynamics of wild boar

  Presenter : Kasada M., Nakashima Y., Fukasawa K., Yajima G., Yokomizo H., Miyashita T.
  Title : , Population Ecology, 65(1):80-92 (2023)
• Quiz-style online training tool helps to learn birdsong identification and support citizen science

  Presenter : Ogawa Y., Fukasawa K., Yoshioka A., Kumada N., Takenaka A., Ito T.
  Title : , PeerJ, 11(e15387): (2023)
• Robustness of genetic diversity measures under spatial sampling and a new frequency-independent measure

  Presenter : Aoki S., Ishihama F., Fukasawa K.
  Title : , PeerJ, 11:e16027 (2023)
• Demographic parameters of Asian black bears in central Japan

  Presenter : Tochigi K., Steyaert S.M.J.G., Fukasawa K., Kuroe M., Anezaki T., Naganuma T., Kozakai C., Inagaki A., Yamazaki K., Koike S.
  Title : , Mammal Study, 48(4): (2023)
• Positive and negative effects of land abandonment on butterfly communities revealed by a hierarchical sampling design across climatic regions

  Presenter : Sugimoto N., Fukasawa K., Asahara A., Kasada M., MATSUBA M., Miyashita T.
  Title : , Proceedings of the Royal Society B: Biological Sciences, 289(1971):20212222 (2022)
• Estimation of breeding population size using DNA-based pedigree reconstruction in brown bears

  Presenter : Shimozuru S., Jimbo M., Adachi K., Kawamura K., Shirane Y., Umemura Y., Ishinazaka T., Nakanishi M., Kiyonari M., Yamanaka M., Amagai Y., Ijuin A., Sakiyama T., Kasai S., Nose T., Shirayanagi M., Tsuruga H., Mano T., Tsubota T., Fukasawa K., Uno H.
  Title : , Ecology and Evolution, 12(9):e9246 (2022)
• Estimations and projections of Avena fatua dynamics under multiple management scenarios in crop fields using simplified longitudinal monitoring

  Presenter : Matsuhashi S., Asai M., Fukasawa K.
  Title : , PLOS ONE, 16(1):e0245217 (2021)
• Spatial optimization of invasive species control informed by management practices

  Presenter : Nishimoto M., Miyashita T., Yokomizo H., Matsuda H., Imazu T., Takahashi H., Hasegawa M., Fukasawa K.
  Title : , Ecological Applications, 31(3):e02261 (2021)
• Effectiveness of signs of activity as relative abundance indices for wild boar

  Presenter : Higashide D., Kuriyama T., Takagi S., Nakashima Y., Fukasawa K., Yajima G., Kasada M., Yokoyama M.
  Title : , Wildlife Biology, 2021(4):wlb.00869 (2021)
• Occurrence patterns of crop-foraging sika deer distribution in an agriculture–forest landscape revealed by nitrogen stable isotopes

  Presenter : Hata A., Nakashita R., Fukasawa K., Minami M., Fukue Y., Higuchi N., Uno H., Nakajima Y., Saeki M., Kozakai C., Takada M. B.
  Title : , Ecology and Evolution, 11(21):15303-15311 (2021)
• Rapid behavioural responses of native frogs caused by past predation pressure from invasive mongooses

  Presenter : Komine H., Fukasawa K., Akasaka M., Watari Y., Iwai N., Kaji K.
  Title : , Journal of Zoology, 310(2):126-134 (2020)
• Development of a camera trap for perching dragonflies: a new tool for freshwater environmental assessment

  Presenter : Yoshioka A., Shimizu A., Oguma H., Kumada N., Fukasawa K., Jingu S., Kadoya T.
  Title : , PeerJ, 8:e9681 (2020)
• Acoustic monitoring data of anuran species inside and outside the evacuation zone of the Fukushima Daiichi power plant accident

  Presenter : Yoshioka A., Matsushima N., Jingu S., Kumada N., Yokota R., Totsu K., Fukasawa K.
  Title : , Ecological Research, 35:765-772 (2020)
• Is harvest size a valid indirect measure of abundance for evaluating the population size of game animals using harvest-based estimation?

  Presenter : Fukasawa K., Osada Y., Iijima H.
  Title : , Wildlife Biology, 2020(4):wlb.00708 (2020)
• Long-lasting effects of historical land use on the current distribution of mammals revealed by ecological and archaeological patterns

  Presenter : Fukasawa K., Akasaka T.
  Title : , Scientific Reports, 9:10697 (2019)
• High‐resolution national land use scenarios under a shrinking population in Japan

  Presenter : Ohashi H., Fukasawa K., Ariga T., Matsui T., Hijioka Y.
  Title : , Transactions in GIS, 23(4):786-804 (2019)
• Assessing the potential impacts of climate and population change on land-use changes projected to 2100 in Japan

  Presenter : Fujita T., Ariga T., Hijioka Y., Fukasawa K., Ohashi H.
  Title : , Climate Research, 79:139-149 (2019)
• Estimating animal density without individual recognition using information derivable exclusively from camera traps

  Presenter : Nakashima Y., Fukasawa K., Samejima H.
  Title : , Journal of Applied Ecology, 55(2):735-744 (2018)
• Ecological dissimilarity among land-use/land-cover types improves a heterogeneity index for predicting biodiversity in agricultural landscapes

  Presenter : Yoshioka A., Fukasawa K., Mishima Y., Sasaki K., Kadoya T.
  Title : , Ambio, 46(8):894-906 (2017)
• Stable isotope and DNA analyses reveal the spatial distribution of crop-foraging brown bears

  Presenter : Hata A., Takada M.B., Nakashita R., Fukasawa K., Oshida T., Ishibashi Y., Sato Y.
  Title : , Journal of Zoology, 303(3):207-217 (2017)
• Acoustic monitoring data of avian species inside and outside the evacuation zone of the Fukushima Daiichi power plant accident

  Presenter : Fukasawa K., Mishima Y., Yoshioka A., Kumada N., Totsu K.
  Title : , Ecological Research, 32(6):769 (2017)
• Song-count surveys and population estimates reveal the recovery of the endangered Amami Thrush Zoothera dauma major, which is endemic to Amami-Oshima Island in south-western Japan

  Presenter : Mizuta T., Takashi M., Torikai H., Watanabe T., Fukasawa K.
  Title : , Bird Conservation International, 27(4):470-482 (2017)
• Mammal assemblages recorded by camera traps inside and outside the evacuation zone of the Fukushima Daiichi Nuclear Power Plant accident

  Presenter : Fukasawa K., Mishima Y., Yoshioka A., Kumada N., Totsu K., Osawa T.
  Title : , Ecological Research, 31(4):493 (2016)
• Mixed Mating System Are Regulated by Fecundity in Shorea curtisii (Dipterocarpaceae) as Revealed by Comparison under Different Pollen Limited Conditions

  Presenter : Tani N., Tsumura Y., Fukasawa K., Kado T., Taguchi Y., Lee S.L., Lee C.T., Muhammad N., Niiyama K., Otani T., Yagihashi T., Tanouch H., Ripin A., Kassim A.R.
  Title : , PLoS ONE, 10(5):e0123445 (2015)
• Pollinators and other flying insects inside and outside the Fukushima evacuation zone

  Presenter : Yoshioka A., Mishima Y., Fukasawa K.
  Title : , PLOS ONE, 10(e0140957):1-16 (2015)
• Reconstruction and prediction of invasive mongoose population dynamics from history of introduction and management: a Bayesian state-space modelling approach

  Presenter : Fukasawa K. , Hashimoto T., Tatara M., Abe S.
  Title : , Journal of Applied Ecology, 50(2):469-478 (2013)
• Differential population responses of native and alien rodents to an invasive predator, habitat alteration and plant masting

  Presenter : Fukasawa K., Miyashita T., Hashimoto T., Tatara M., Abe S.
  Title : , Proceedings of the Royal Society B: Biological Sciences, 280(1773): (2013)
• Male fecundity and pollen dispersal in hill dipterocarps: significance of mass synchronized flowering and implications for conservation

  Presenter : Tani N., Tani N., Tsumura Y., Fukasawa K., Kado T., Taguchi Y., LEE S.L., LEE C.T., Muhammad N., Niiyama K., Otani T., Yagihashi T., bin Ripin A., Kassim A.R.
  Title : , Journal of Ecology, 100(2):405-415 (2012)

• Overview of Open Biodiversity Data around the Fukushima Disaster Area and the Nuclear Power Plants in Japan

  Presenter : Yoshioka A., Kumada N., Ogawa Y., Fukasawa K.
  Title : , Global Environmental Research, 24:95-104 (2020)

• Distance sampling with vehicle-mounted cameras for the estimation of farmland bird abundance over a wide area

  Presenter : Kumada N., Fukasawa K., Yoshioka A., Tsuda N., Ouchi H.
  Title : , bioRxiv (2023)

Research Result (Presentation)

• all
• Research Presentation
• Research Lecture

• Research Presentation
  Hard come, easy go: abandoned rural settlements as showcases of degraded seminatural landscapes in Japan

  Presenter : Fukasawa K., Ishihama F.
  Name of Society : 日本生態学会第73回全国大会 (2026)
  Name of Proceedings : なし
• Research Lecture
  Future land use and ecosystem service projection for Japan SSPs

  Presenter : Wanhui Huang, Shizuka Hashimoto, Ishihama F., Takanori Matsui, Fukasawa K., Yuichiro Usuda, Fujita T.
  Name of Society : 11th ESP World Conference, Darwin, Australia (2025)
  Name of Proceedings : -
• Research Presentation
  Capture-recapture-recovery models for evaluating mortality, population density and animal space use in a heterogeneous landscape

  Presenter : Fukasawa K., Umemura Y., Jimbo M., Kiyonari M., Sakiyama T., Amagai Y., Ishinazaka T., Nakanishi M., Yamanaka M., Uno H., Shimozuru M.
  Name of Society : 13th International Mammalogical Congress (2023)
  Name of Proceedings : なし
• Research Presentation
  How should we manage "crop-foraging individuals"? consideration on management strategy based on their ecological characteristics

  Presenter : Hata A., Nakashita R., Fukasawa K., Anezaki T., Minami M., Fukue Y., Higuchi N., Uno H., Nakajima Y., Saeki M., Kozakai C., Takada M.B.
  Name of Society : 13th International Mammalogical Congress (2023)
  Name of Proceedings : -
• Research Presentation
  Meta-analysis of factors affecting fecal pellet decay rates for improving sika deer population density estimates

  Presenter : Ohashi H., Fukasawa K.
  Name of Society : 13th International Mammalogical Congress (2023)
  Name of Proceedings : -
• Research Presentation
  Developing a camera trap for monitoring Sympetrum dragonflies and its application to resuming rice paddy fields in the Fukushima nuclear plant disaster area

  Presenter : Yoshioka A., Matsuki N., Mitamura T., Endo W., Shimizu A., Ouchi H., Oguma H., Fukasawa K., Kumada N., Jingu S., Jo J., Tabuchi K.
  Name of Society : XXVI International Congress of Entomology (2022)
  Name of Proceedings : -
• Research Presentation
  Overview of open biodiversity data around the Fukushima evacuation zone and the present nuclear power plants in Japan

  Presenter : Yoshioka A., Kumada N., Ogawa Y., Fukasawa K.
  Name of Society : IER International Symposium Fukushima 10 years: Forest, River, Ocean, and Food -Remaining issues for restoration- (2021)
  Name of Proceedings : Abstracts, 36
• Research Presentation
  Spatial sampling: An objective and reproducible method to sample known wild taxa and the estimated nucleotide diversity based on the method

  Presenter : , Aoki S., Ishihama F., Fukasawa K.
  Name of Society : The 9th East Asian Plant Diversity and Conservation (2021)
  Name of Proceedings : Abstracts, 36
• Research Presentation
  Monitoring flying insects inside the Fukushima evacuation zone

  Presenter : Yoshioka A., Mishima Y., Kumada N., Fukasawa K.
  Name of Society : The 4th International Conference on Radioecology and and Environmental Radioactivity (2017)
  Name of Proceedings : 4th International Conference on Radioecology & Environmental Radioactivity Abstracts Book, 197-198
• Research Presentation
  Biodiversity assessment in abandoned settlements with indicator plant species

  Presenter : Kobayashi Y., Fukasawa K., Asahara A., Takenaka A.
  Name of Society : The 12th International Congress of Ecology (2017)
  Name of Proceedings : -
• Research Presentation
  Final stage of the mongoose-eradication project on Amami-Oshima Island, Japan

  Presenter : Watari Y., Fukasawa K., Hashimoto T., Morosawa T., Komine H., Yamada F., Iwamoto C., Abe S.
  Name of Society : Island Biology 2016: 2nd International Conference on Island Evolution, Ecology and Conservation (2016)
  Name of Proceedings : Conference program and abstracts of the 2nd International Conference on Island Evolution, Ecology and Conservation: Island Biology 2016, 18-22 July 2016, Angra do Heroismo, Azores, Portugal. Arquipelago, 115
• Research Presentation
  Spatial assessment of land-use change and biomass distribution for effective utilization of ecosystem services in Fukushima

  Presenter : Togawa T., Oba M., Yoshioka A., Tamaoki M., Mishima Y., Kumada N., Fukasawa K., Dou Y.
  Name of Society : 2016 United Nations/Kenya Conference on Space Technology Applications for Wildlife Management and Protecting Biodiversity (2016)
  Name of Proceedings : -
• Research Lecture
  Trait-based prediction of breeding site dispersal under global change: can migratory birds move farther?

  Presenter : Fukasawa K., Naoe S., Akasaka M., Kadoya T., Miyashita T.
  Name of Society : Biological range shifts in response to climate change (2015)
  Name of Proceedings : -
• Research Presentation
  Effect of ancient land use on mammal distributions in Japan

  Presenter : Fukasawa K. , Akasaka T.
  Name of Society : INTECOL 2013 (2013)
  Name of Proceedings : -
• Research Lecture
  Spatio-temporal capture-recapture model: how does spatial structure bias the mortality estimation?

  Presenter : Fukasawa K.
  Name of Society : Hierarchical modelling for the environmental sciences (2012)
  Name of Proceedings : -

• Hard come, easy go: abandoned rural settlements as showcases of degraded seminatural landscapes in Japan

  Presenter : Fukasawa K., Ishihama F.
  Name of Society : 日本生態学会第73回全国大会 (2026)
  Name of Proceedings : なし
• Capture-recapture-recovery models for evaluating mortality, population density and animal space use in a heterogeneous landscape

  Presenter : Fukasawa K., Umemura Y., Jimbo M., Kiyonari M., Sakiyama T., Amagai Y., Ishinazaka T., Nakanishi M., Yamanaka M., Uno H., Shimozuru M.
  Name of Society : 13th International Mammalogical Congress (2023)
  Name of Proceedings : なし
• Final stage of the mongoose-eradication project on Amami-Oshima Island, Japan

  Presenter : Watari Y., Fukasawa K., Hashimoto T., Morosawa T., Komine H., Yamada F., Iwamoto C., Abe S.
  Name of Society : Island Biology 2016: 2nd International Conference on Island Evolution, Ecology and Conservation (2016)
  Name of Proceedings : Conference program and abstracts of the 2nd International Conference on Island Evolution, Ecology and Conservation: Island Biology 2016, 18-22 July 2016, Angra do Heroismo, Azores, Portugal. Arquipelago, 115
• Spatial assessment of land-use change and biomass distribution for effective utilization of ecosystem services in Fukushima

  Presenter : Togawa T., Oba M., Yoshioka A., Tamaoki M., Mishima Y., Kumada N., Fukasawa K., Dou Y.
  Name of Society : 2016 United Nations/Kenya Conference on Space Technology Applications for Wildlife Management and Protecting Biodiversity (2016)
  Name of Proceedings : -
• Effect of ancient land use on mammal distributions in Japan

  Presenter : Fukasawa K. , Akasaka T.
  Name of Society : INTECOL 2013 (2013)
  Name of Proceedings : -
• How should we manage "crop-foraging individuals"? consideration on management strategy based on their ecological characteristics

  Presenter : Hata A., Nakashita R., Fukasawa K., Anezaki T., Minami M., Fukue Y., Higuchi N., Uno H., Nakajima Y., Saeki M., Kozakai C., Takada M.B.
  Name of Society : 13th International Mammalogical Congress (2023)
  Name of Proceedings : -
• Meta-analysis of factors affecting fecal pellet decay rates for improving sika deer population density estimates

  Presenter : Ohashi H., Fukasawa K.
  Name of Society : 13th International Mammalogical Congress (2023)
  Name of Proceedings : -
• Developing a camera trap for monitoring Sympetrum dragonflies and its application to resuming rice paddy fields in the Fukushima nuclear plant disaster area

  Presenter : Yoshioka A., Matsuki N., Mitamura T., Endo W., Shimizu A., Ouchi H., Oguma H., Fukasawa K., Kumada N., Jingu S., Jo J., Tabuchi K.
  Name of Society : XXVI International Congress of Entomology (2022)
  Name of Proceedings : -
• Overview of open biodiversity data around the Fukushima evacuation zone and the present nuclear power plants in Japan

  Presenter : Yoshioka A., Kumada N., Ogawa Y., Fukasawa K.
  Name of Society : IER International Symposium Fukushima 10 years: Forest, River, Ocean, and Food -Remaining issues for restoration- (2021)
  Name of Proceedings : Abstracts, 36
• Spatial sampling: An objective and reproducible method to sample known wild taxa and the estimated nucleotide diversity based on the method

  Presenter : , Aoki S., Ishihama F., Fukasawa K.
  Name of Society : The 9th East Asian Plant Diversity and Conservation (2021)
  Name of Proceedings : Abstracts, 36
• Monitoring flying insects inside the Fukushima evacuation zone

  Presenter : Yoshioka A., Mishima Y., Kumada N., Fukasawa K.
  Name of Society : The 4th International Conference on Radioecology and and Environmental Radioactivity (2017)
  Name of Proceedings : 4th International Conference on Radioecology & Environmental Radioactivity Abstracts Book, 197-198
• Biodiversity assessment in abandoned settlements with indicator plant species

  Presenter : Kobayashi Y., Fukasawa K., Asahara A., Takenaka A.
  Name of Society : The 12th International Congress of Ecology (2017)
  Name of Proceedings : -

• Future land use and ecosystem service projection for Japan SSPs

  Presenter : Wanhui Huang, Shizuka Hashimoto, Ishihama F., Takanori Matsui, Fukasawa K., Yuichiro Usuda, Fujita T.
  Name of Society : 11th ESP World Conference, Darwin, Australia (2025)
  Name of Proceedings : -
• Trait-based prediction of breeding site dispersal under global change: can migratory birds move farther?

  Presenter : Fukasawa K., Naoe S., Akasaka M., Kadoya T., Miyashita T.
  Name of Society : Biological range shifts in response to climate change (2015)
  Name of Proceedings : -
• Spatio-temporal capture-recapture model: how does spatial structure bias the mortality estimation?

  Presenter : Fukasawa K.
  Name of Society : Hierarchical modelling for the environmental sciences (2012)
  Name of Proceedings : -

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