Evaluating the value of ecological water considering water quality and quantity simultaneously,Water and Environment Journal

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Evaluating the value of ecological water considering water quality and quantity simultaneously
Water and Environment Journal ( IF 2 ) Pub Date : 2020-04-01 , DOI: 10.1111/wej.12566
Jiyao Liu ₁ , Minjuan Zhao ₁ , Liuyang Yao ₂ , Wenxin Liu ₁ , Gongyuan Fan ₃

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This study applies a choice experiment to evaluate the value of ecological water and investigate public preferences in the Shiyang River Basin, which is an ecologically fragile region in China. The four ecological attributes were ecological water quantity in the upper sub‐basin, ecological water quantity in the middle sub‐basin, ecological water quantity in the lower sub‐basin, water quality in Hongyashan Reservoir. The results show that water quality was the most preferred attribute among all the chosen attributes, and public prefer the increase of the ecological water quantity in the lower sub‐basin. In addition, it was concluded that increases of 40 million m³ and 60 million m³ of the ecological water quantity in the middle and lower sub‐basins, respectively, with the ecological water quality improved from Class IV to III, would be worth 2.82 billion RMB. The research findings are expected to support strategies for regional water resources allocation as well as help to understand public support for the policy.

更新日期：2020-04-01

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