Participatory system for water management in the Toyogawa Irrigation Project, Japan |
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Authors: | Satoshi Kono Tassanee Ounvichit Atsushi Ishii Masayoshi Satoh |
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Institution: | (1) Sapporo South Agricultural Office, Sapporo Development and Construction Department, Hokkaido Regional Development Bureau, Ministry of Land, Infrastructure, Transport and Tourism, Chuo 6-8, Kitahiroshima Hokkaido, 061-1121, Japan;(2) Environmental Education Graduate Program, Mahidol University, Salaya, Nakhon Pathom, 73170, Thailand;(3) Graduate School of Bioresources, Mie University, 1515 Kamihamacho, Tsu Mie, 514-8507, Japan;(4) Graduate School of Life and Environmental Sciences, University of Tsukuba, Ten-nodai 1-1-1, Tsukuba Ibaraki, 305-8572, Japan |
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Abstract: | In principle, participatory irrigation management (PIM) means the involvement of irrigation users in all aspects at all levels
of irrigation management. In practice, all over the world efforts are being made to realize the principles. However, in the
execution of PIM, role sharing between farmers and government is a serious problem, and thus a clear method and ideas are
needed to improve PIM. In particular, a broad discussion of role sharing is demanded. This article illustrates how the Japanese
way of role sharing in PIM is realized based on the case of the Toyogawa Irrigation Project. Organizationally, the project
is jointly managed by five entities, including both the public sector and the farmers’ organizations. These entities have
clearly divided their functional roles, with the ultimate decision power in all aspects of irrigation management given to
organized farmers. The power is realized either directly or through the land improvement districts’ representative system
depending on the levels of the irrigation system. The public entity provides coordination support to create a transparent
forum of discussion together with scientific information for farmers’ understanding and decision making. The participatory
institutional line-up of this project enables the upland areas that suffered periodically from water deficits. |
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