Ai Tashiro

Project Lecturer, Institute for Future Initiatives, The University of Tokyo *Profile is at the time of the award.

2024Inamori Research GrantsHumanities & Sociology

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Research topics: Constructing a transformative new commons management theory: An empirical study on the decision-making process on rice paddy dams

Keyword

Summary: This study aims to examine measures for decision-making and sustainable implementation of "rice paddy dams." These dams have multifaceted value and can contribute to local flood prevention and mitigation while farming. While there has been a substantial accumulation of hydraulic and hydraulic engineering verification, such as measurement and simulation of water storage and flood control, there is a lack of social science knowledge on common land and governance. In this study, I focus on examining consensus building and systematizing a new "commons management theory" for the changing commons, where private land, used land, and common land are mixed, examining the commons on rice paddy dams as the case study.

Message

I aim to establish a systematic study on knowledge commons and propose a new theory of community-based management as a case study of rice paddy dams. The ultimate goal is to provide policy recommendations for managing rice paddy dams within the framework of a new commons approach.

Outline of Research Achievements

This study examined the decision-making processes surrounding the implementation and management of paddy field dams in Tokushima Prefecture, Japan. The findings suggest that paddy field dam management differs from the collective governance model proposed by Ostrom. Instead, it is characterized by leader-driven decision-making based on trust in local representatives, a separation between beneficiaries and managers, and differences in the public benefits provided by individual fields. These findings highlight the need for a new framework for commons governance that is better suited to the realities of aging and depopulating rural communities.

image of Research Achievments

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