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TAJIMA Ryo

TAJIMA Ryo
Researcher Name
TAJIMA Ryo
Div (Section) name/title
Center for Material Cycles and Waste Management Research（Sustainable Material Cycle Systems Section）／Senior Researcher
Research Subject
Planning and management for integrated waste management in disasters
Degree(s)
Ph.D.
Professional Qualification(s)
Policy Studies,Policy Administration,Sociology
Environmental Speciality Field
Disaster waste management,Environmental management and planning,Environmental impact assessment
Keyword(s)
Disaster waste management plan,Disaster resilience,Participatory training methods,Qualitative research,Policy appraisal,International Comparison
Brief Description of Research
Planning and public management for disaster waste management
Disaster waste management is one of the major issues for prompt and sustainable recovery from disasters. In order to effectively handle both general and disaster wastes under disaster situation, where time and resource constraints are serious, planning and public management of tasks, organization, personnel, equipment, budget etc. are crucial. Under this study, methodology on public management for disaster waste management, including planning, implementation, and capacity development are being developed, together with tools to support such management.

Environmental management during disasters
It is widely recognized that disasters often accompany environmental risks, including e.g. spread of hazardous materials (asbestos, oil, acid, etc.) and deterioration of living environment (odor, dust, noise, etc.). However, the method and principles of environmental management during disasters are not established to date. Studies related to environmental/sustainability assessment and public participation during disasters are in progress.

Waste management in aging society
Currently, one out of four Japanese is aged over 65, and this rate is estimated to increase up to one out of three by 2035. In terms of waste management, there are some issues related to aging, including disposal of home-medical care waste, treatment of disposable diapers, waste disposal by aged households, etc. Studies on waste disposal supporting mechanism for aged households are in progress, with a special focus on secondary effect in terms of welfare and community development.

Membership of Academic Society
Japan Society of Material Cycles and Waste Management,Japan Association for Planning Administration,Japan Society foe Impact Assessment,Institute of Social Safety Science,Japan society for natural disaster science
Research Subject
  • Fiscal Year: 2019
    • 24694 : Sustainable Material Cycles Research Program
    • 24698 : Environmental Emergency Research Program
    • 24713 : Proposal of Transition Paths and Adaptation Measures for a Circular Society
    • 24741 : Environmental Emergency Management Research Program
    • 24742 : Establishment of disaster resilience in material cycle and waste management system
    • 24744 : Development of environmental emergency management capacity
    • 24758 : Environmental Emergency Management Office
    • 24884 : Policy and Management Study for Establishing a Sound Material-cycle Society
    • 24945 : Development of organizational management methodology for smaller public authorities towards appropriate disaster waste management
    • 24984 : Establishment of Collaboration and Dissemination of Waste Related Research to Asian Countries
    • 24990 : Studies on Adaptation Strategies Considering Social Change
  • Fiscal Year: 2018
    • 24296 : Proposal of transition paths and adaptation measures for a circular society
    • 24333 : Environmental Emergency Management Research Program
    • 24334 : Establishment of disaster resilience in material cycle and waste management system
    • 24336 : Development of environmental emergency management capacity
    • 24341 : Environmental Emergency Management Office
    • 24353 : Sustainable Material Cycles Research Program
    • 24357 : Environmental Emergency Research Program
    • 24408 : Policy and Management Study for Establishing a Sound Material-Cycle Society
    • 24539 : Development of Organizational Management Methodology for Smaller Public Authorities towards Appropriate Disaster Waste Management
    • 24619 : Appropriate Solid Waste Management towards flood risk reduction through recovery of drainage function in tropical Asian urban cities
    • 24620 : Establishment of Collaboration and Dissemination of Waste Related Research to Asian Countries
  • Fiscal Year: 2017
    • 23832 : Proposal of transition paths and adaptation measures for a circular society
    • 23844 : Sustainable Material Cycles Research Program
    • 23848 : Environmental Emergency Research Program
    • 23862 : Environmental Emergency Management Office
    • 23873 : Environmental Emergency Management Research Program
    • 23874 : Establishment of disaster resilience in material cycle and waste management system
    • 23876 : Development of environmental emergency management capacity
    • 23964 : Policy and Management Study for Establishing a Sound Material-Cycle Society
    • 24042 : Establishment of Collaboration and Dissemination of Waste Related Research to Asian Countries
    • 24081 : Estimation technique of disaster wastes in large-scale disaster in connection with the field of disaster prevention
    • 24134 : Appropriate Solid Waste Management towards flood risk reduction through recovery of drainage function in tropical Asian urban cities
  • Fiscal Year: 2016
    • 23402 : Sustainable Material Cycles Research Program
    • 23405 : Proposal of transition paths and adaptation measures for a circular society
    • 23436 : Environmental Emergency Management Research Program
    • 23437 : Establishment of disaster resilience in material cycle and waste management system
    • 23439 : Development of environmental emergency management capacity
    • 23488 : Policy and Management Study for Establishing a Sound Material-Cycle Society
    • 23560 : Appropriate Solid Waste Management towards flood risk reduction through recovery of drainage function in tropical Asian urban cities
    • 23706 : Establishment of Collaboration and Dissemination of Waste Related Research to Asian Countries
    • 23721 : Environmental Emergency Management Office
    • 23732 : Environmental Emergency Research Program
  • Fiscal Year: 2015
    • 23038 : Development of management systems for radioactively contaminated off-site wastes
    • 23044 : Environmental Emergency Management Research Program
    • 23045 : Implementation Strategy for Resilience in Material Cycle and Waste Management
    • 23047 : Networking of Disaster and Environmental Emergency Research
    • 23055 : Systems approach and policy study on life-cycle resource management
    • 23181 : Establishment of management technologies and systems for disaster and radioactively contaminated wastes
    • 23318 : Design of research hub for sustainable urban system and waste management
    • 23319 : Adaptation of solid waste management to frequent floods in vulnerable mid-scale Asian cities
  • Fiscal Year: 2014
    • 22650 : Development of management systems for radioactively contaminated off-site wastes
    • 22656 : Environmental Emergency Management Research Program
    • 22657 : Implementation Strategy for Resilience in Material Cycle and Waste Management
    • 22659 : Networking of Disaster and Environmental Emergency Research
    • 22776 : Systems approach and policy study on life-cycle resource management
  • Fiscal Year: 2013
    • 22244 : Systems approach and policy study on life-cycle resource management
    • 22523 : Study for establishment of appropriate technology and system for disaster and radioactive contaminated waste management and disposal
  • Fiscal Year: 2012
    • 21779 : Establishment of management technologies and systems for disaster and radioactively contaminated wastes
    • 21804 : Systems approach and policy study on life-cycle resource management
    • 22052 : Study for establishment of appropriate technology and system for disaster and radioactive contaminated waste management and disposal
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Research Result (Publication)
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  • Original Paper
  • Review
  • Book
  • Other Publications
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  • An Outline of Disaster Waste Management for the Great East Japan Earthquake from a Technological and Administrative Point of View
    Presenter : Osako M., Tajima R.
    Title : , Global Environmental Research, 18(1):73-80 (2014)
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    Presenter : Sakai S., Yoshioka T., Tsukiji M., Okayama T., Watanabe K., Ishigaki T., Tajima R., Suzuki S., Takai A., Kaji M., Tomoda K., Asari M.
    Title : , Disaster Waste Management Guideline for Asia and the Pacific (2018)
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Research Result (Presentation)
  • all
  • Research Presentation
  • Research Lecture
  • Research Presentation
    Generation of and solutions to canal waste: a case study in Bangkok
    Presenter : Tajima R., Kubota R., Janamporn S.
    Name of Society : the 30th annual conference of Japan Society of Material Cycles and Waste Management (2019)
    Name of Proceedings : Abstracts, 511-512
  • Research Presentation
    Waste Management in the Era of Population Decrease and Aging
    Presenter : Tasaki T., Inaba R., Kawai K., Kojima E., Tajima R., Suzuki K., Kubota R.
    Name of Society : Sardinia 2019, 17th International waste management and landfill symposium (2019)
    Name of Proceedings : Proceedings
  • Research Presentation
    Policy Networks in the Local Community before and after the Fukushima Nuclear Accident: A Case Study of Miharu Town
    Presenter : Tsuji T., Nakamura S., Tajima R., Ooba M.
    Name of Society : The 4th World Social Science Forum (2018)
    Name of Proceedings : -
  • Research Presentation
    Investigation on solid debris in urban drainage system in tropical Asian cities
    Presenter : Ishigaki T., Thaweesub R., Kubota R., Tajima R., Lieu P.K., Chiemchaisri C.
    Name of Society : The 29th Annual Conference of Japan Society of Material Cycles and Waste Management (2018)
    Name of Proceedings : -
  • Research Presentation
    Factors Related to Waste Disposal Behavior of Residents Near Canals
    Presenter : Tajima R., Kubota R., Tin H. C., Jarusombat S., Janamporn S., Ishigaki T.
    Name of Society : ISWA World Congress 2018 (2018)
    Name of Proceedings : Abstracts
  • Research Presentation
    Measurement of Importance of 11 Sustainability Criteria based on Indirect Stated Preference Approach and Comparison among Four Asian Countries
    Presenter : Tasaki T., Kameyama Y., Tajima R.
    Name of Society : The 9th biennial conference of the International Society for Industrial Ecology (ISIE) and the 25th annual conference of the International Symposium on Sustainable Systems and Technology (ISSST) (2017)
    Name of Proceedings : Program
  • Research Lecture
    Resilient Waste Management against Frequent Flood in Middle Scale Cities in Southeast Asia
    Presenter : Yamada M., Ishigaki T., Kawai K., Tajima R., Kubota R., Towprayoon S., Lieu P. K.
    Name of Society : 2nd International Forum on Sustainable Future in Asia, 2nd NIES International Forum (2017)
    Name of Proceedings : Program Book, 36
  • Research Lecture
    Conceptualising disaster resilient waste management
    Presenter : Tajima R., Ishigaki T., Kawai K., Yamada M.
    Name of Society : 2nd International Forum on Sustainable Future in Asia, 2nd NIES International Forum (2017)
    Name of Proceedings : Program book, 66
  • Research Presentation
    Attitude on post disaster environmental management
    Presenter : Tajima R., Tasaki T.
    Name of Society : 36th annual conference f the International Association for Impact Assessment (2016)
    Name of Proceedings : -
  • Research Presentation
    Capacity Development for Flood Waste Management in Vulnerable Asian Cities
    Presenter : Ishigaki T., Tajima R., Kawai K., Kubota R., Lieu, P.K., Yamada M., Wangyao K., Towprayoon S., Chiemchaisri C.
    Name of Society : 第26回廃棄物資源循環学会研究発表会 (2015)
    Name of Proceedings : Abstracts, 564-565
  • Research Presentation
    AN EMPRICAL ANALYSIS OF STRATEGIC MANAGEMENT FOR ESTABLISHING A LOCAL CIRCULAR SOCIETY: HISTORICAL ANALYSIS BASED ON RATIONAL, PRACTICAL, NEGOTIATORY, AND INSTITUTIONAL ASPECTS
    Presenter : Tasaki T., Inaba R., Kojima E., Kawai K., Tajima R., Tochio K., Yoshida H., Ozawa H.E.
    Name of Society : 8th Biennial Conference of the International Society for Industrial Ecology (2015)
    Name of Proceedings : Book of abstracts, 611-612
  • Research Presentation
    Public involvement in disaster-related EAs
    Presenter : Tajima R., Tasaki T., Osako M.
    Name of Society : 35th annual conference of the International Association for Impact Assessment (2015)
    Name of Proceedings : Program, 32
  • Research Presentation
    Design and Formulation of a Local Circular Society: Cases of Biomass Recycling and its Strategic Aspects
    Presenter : Tasaki T., Inaba R., Kojima E., Kawai K., Tajima R., Tochio K., Yoshida H., Ozawa H.E.
    Name of Society : EcoDesign 2015 International Symposium (2015)
    Name of Proceedings : Proceedings, 91-94
  • Research Presentation
    Capacity building for local administration officers on flood waste management
    Presenter : Tajima R.
    Name of Society : 15th international waste management and landfill symposium (2015)
    Name of Proceedings : -
  • Research Presentation
    Nexus Approach and Post-one-size-fits-all Approach for Sustainable Development Goals (SDGs)
    Presenter : Tasaki T., Kameyama Y., Tajima R., Kanie N.
    Name of Society : Nexus 2014: Water, Food, Climate and Energy Conference (2014)
    Name of Proceedings : Abstract Book, 74-75
  • Research Presentation
    Structuralizing the
    emergency support functions for disaster waste management in Japan
    Presenter : Tajima R., Hirayama N., Osako M.
    Name of Society : The 5th Conference of the International Society for Integrated Disaster Risk Management (IDRIM 2014) (2014)
    Name of Proceedings : Abstracts, 76
  • Research Presentation
    Impact of ageing on household waste - A case study in Morinosato, Japan
    Presenter : Tajima R., Sato M., Matsukami H., Jimbo Y., Ju M. , Kojima E.
    Name of Society : 17th Korea-Japan Joint International Session, 2013 Spring Conference of the Korea Society of Waste Management (2013)
    Name of Proceedings : Abstracts, 96-98
  • Research Presentation
    Pre-disaster planning for disaster waste management in practice
    Presenter : Tajima R.
    Name of Society : 9th international symposium on Social Management Systems (2013)
    Name of Proceedings : Abstracts, 28
  • Research Presentation
    EIA for small scale development is Japanese waste management sector
    Presenter : Tajima R.
    Name of Society : 3rd Japan-Korea-China Tripartite EIA & SEA Conference 2013 (2013)
    Name of Proceedings : Abstracts, 36
  • Research Presentation
    A Review of Sustainability Assessment: What are the challenges?
    Presenter : Tasaki T., Tajima R.
    Name of Society : 10th International Conference on EcoBalance (2012)
    Name of Proceedings : Proceedings
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  • Resilient Waste Management against Frequent Flood in Middle Scale Cities in Southeast Asia
    Presenter : Yamada M., Ishigaki T., Kawai K., Tajima R., Kubota R., Towprayoon S., Lieu P. K.
    Name of Society : 2nd International Forum on Sustainable Future in Asia, 2nd NIES International Forum (2017)
    Name of Proceedings : Program Book, 36
  • Conceptualising disaster resilient waste management
    Presenter : Tajima R., Ishigaki T., Kawai K., Yamada M.
    Name of Society : 2nd International Forum on Sustainable Future in Asia, 2nd NIES International Forum (2017)
    Name of Proceedings : Program book, 66
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