Estimating Ecological Value of Small Hydropower Using Contingent Valuation Method:An Application to Tongjiqiao Reservoir in Zhejiang Province,China  

作　　者：Han Hongyun Zhao Liange Zhang Tong 

机构地区：[1]Center for Agricultural and Rural Development, Hangzhou Zhejiang 310029, China [2]College of Economics, Zhejiang Gongshang University, Hangzhou Zhejiang 310035, China

出　　处：《Chinese Journal of Population,Resources and Environment》2012年第1期87-95,共9页中国人口·资源与环境（英文版）

基　　金：supported by National Natural Science Foundation of China in 2008 (Grant No. 70873108);Zhejiang Provincial Natural Scien8ce Foundation of China (Grant No. Z607126);the key research project funded by a national key research base for humanities and social sciences under the guidance of the Ministry of Education (Grant No. 2007JJD630014);Programfor New Century Excellent Talents in University in 2008

摘　　要：The small hydropower(SHP) will be less competitive in the absence of environmental value.The lack of information has become an important obstacle challenging decision-makers in resource-use choices.This paper is an application of contingent valuation method(CVM) in rural China to estimate the willingness-to-pay(WTP) for environmental services provided by exiting hydropower station.Using the single-bounded and dichotomouschoice CVM,the ecological value of Tongjiqiao Reservoir(TJQR) is estimated,and the annual mean WTPs of single-bounded and double-bounded CVM estimation are 141.05 and 219.52 Yuan(RMB)/a,respectively.The 95% confidence interval of annual WTP on an average is 118.47,166.79 Yuan(RMB)/a and 204.41,236.22(Yuan RMB)/a,respectively.In contrast,double-bounded model could obtain much more information of WTP of the investigated,thus reducing the confidence interval of estimation,and enhancing the estimation accuracy of the WTP.According to the estimated mean WTP of the double-bounded CVM,the total ecosystem service value of the TJQR is 15.54 million Yuan(RMB).Compared with the conventional electricity of fossil power and large hydropower,the SHP will be less competitive in the absence of non-market value,ignoring that the environmental impacts of existing SHP will undermine the healthy development of clean energy sector.The small hydropower （SHP） will be less competitive in the absence of environmental value. The lack of information has become an important obstacle challenging decision-makers in resource-use choices. This paper is an application of contingent valuation method （CVM） in rural China to estimate the willing- ness-to-pay （WTP） for environmental services provided by exiting hydropower station. Using the single-bounded and dichotomous- choice CVM, the ecological value of Tongjiqiao Reservoir （TJQR） is estimated, and the annual mean WTPs of single-bounded and double-bounded CVM estimation are 141.05 and 219.52 Yuan （RMB）/a, respectively. The 95% confidence interval of annual WTP on an average is 118.47, 166.79 Yuan （RMB）/a and 204.41, 236.22 （Yuan RMB）/a, respectively. In contrast, double-bounded model could obtain much more information of WTP of the inves- tigated, thus reducing the confidence interval of estimation, and enhancing the estimation accuracy of the WTP. According to the estimated mean WTP of the double-bounded CVM, the total eco- system service value of the TJQR is 15.54 million Yuan （RMB）. Compared with the conventional electricity of fossil power and large hydropower, the SHP will be less competitive in the absence of non-market value, ignoring that the environmental impacts of existing SHP will undermine the healthy development of clean energy sector.

关 键 词：small hydropower ecosystem service contingentvaluation method WTP 

分 类 号：X51[环境科学与工程—环境工程] TV211.14[水利工程—水文学及水资源]