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Over 70 percent of small tanks in the Dry Zone are hydrologically linked in cascades and are highly vulnerable to climate change impacts. Analyzing the cascade as a system comprising social, technical, and ecological domains reveals that the current governance modality cannot fully realize its development potential and requires transformative adaptation for enhanced climate resilience. Analysis shows that the polycentric governance elements that prevailed in ancient village irrigation management helped sustain these systems, and similar principles apply to the current context. A mix of traditional knowledge and modern technology, a community-centered institutional mechanism, strong policy and legal support, and linking tank cascades with river basin management plans are recommended for realizing the full development potential of the cascades and enhancing their climate resilience.

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Governance Issues for Sustainable Management of Village Irrigation in the Dry Zone of Sri Lanka

  • 章节

  • 发表日期：

    2026年

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  • Upali Imbulana,
  • Mohamed Aheeyar

摘要

Over 70 percent of small tanks in the Dry Zone are hydrologically linked in cascades and are highly vulnerable to climate change impacts. Analyzing the cascade as a system comprising social, technical, and ecological domains reveals that the current governance modality cannot fully realize its development potential and requires transformative adaptation for enhanced climate resilience. Analysis shows that the polycentric governance elements that prevailed in ancient village irrigation management helped sustain these systems, and similar principles apply to the current context. A mix of traditional knowledge and modern technology, a community-centered institutional mechanism, strong policy and legal support, and linking tank cascades with river basin management plans are recommended for realizing the full development potential of the cascades and enhancing their climate resilience.