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Securing water for wetland conservation: A comparative analysis of policy options to protect a national nature reserve in China

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Abstract
  • This study evaluates four policy options to secure the water supply needed for wetland conservation in Qixinghe—a national wetland nature reserve in China—using four criteria: cost effectiveness, probability of success in achieving the water-saving goal, political feasibility, and farmer acceptance. This multi-criteria analysis framework reveals the ecological, economic, and socio-political trade-offs for policymakers when choosing among the four policy options. Results suggest that upgrading irrigation infrastructure in the area surrounding the wetland (Option I) is the most politically feasible option, but it is the second best option in terms of cost effectiveness. Constructing a dam to store and control floodwater (Option II) is the most reliable for achieving the water-saving goal. It is also the farmers’ most favored strategy. But this option is the least cost effective and receives little support from local governments. Promoting farmers’ adoption of water-saving practices (Option III) is the most cost effective, but it is less reliable for achieving the water-saving goal than Options I or II. Converting paddy crops to dry-land crops (Option IV) is politically infeasible and least reliable for achieving the water-saving goal. The overall ranking of the four options is determined using the policymakers’ revealed weights on the four criteria. Option I is ranked first, followed by Options II, III, and IV.
  • Keywords: Cost effectiveness, Multi-criteria decision making, Water resource management, Agricultural water use, Wetland conservation
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  • Wu, J., Wu, J., Wang, X., & Zhong, M. (2012). Securing water for wetland conservation: A comparative analysis of policy options to protect a national nature reserve in china. Journal of Environmental Management, 94(1), 102-111. doi: 10.1016/j.jenvman.2011.06.033
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Journal Volume
  • 94
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  • 1
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Déclaration de droits
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  • This study was supported by a research grant from the Economy and Environment Program for Southeast Asia (EEPSEA).
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