论文部分内容阅读
虽然目前世界各国对于生态系统服务功能价值进行评估的方法有很多,但是意愿调查法(Contingent Valuation Method,简称CVM)是这些方法中唯一能够评估与环境物品有关的全部使用价值和非使用价值的方法。然而由于受到多方面因素的制约,对于意愿调查法的实际应用效果争议很大。本文以目前意愿调查法产生争议的原因为基础,分析了其理论缺陷,提出了改进的CVM评估方法。并运用该方法对黑龙江七星河湿地生态系统非使用价值进行了评价研究,分析了改进效果。
Although there are many ways in which countries around the world evaluate the value of ecosystem services, the Contingency Valuation Method (CVM) is the only one of these methods that can assess the full use value and non-use value of environmental goods . However, due to the restriction of many factors, there is a great controversy about the practical application effect of the Willingness Survey. Based on the reasons for the current controversial law of investigation, this paper analyzes its theoretical defects and proposes an improved CVM evaluation method. This method is used to evaluate the non-use value of Qixinghe wetland ecosystem in Heilongjiang Province, and the improvement effect is analyzed.