滇池湖滨湿地非使用价值的CVM评估

目的]分析滇池湖滨湿地非使用价值的个人支付意愿及影响因素。方法]采用权变估值法(CVM),设计调查问卷,调查了专家、政府管理人员、农民、工人、学生等不同职业和不同年龄段的对象。在此基础上,进行滇池湖滨湿地非使用价值评估,并运用非参数估计方法,分析支付意愿与社会特征之间的关系。结果]滇池湖滨湿地生态系统服务的人均支付意愿为150.03～217.66元/人.年之间,总支付意愿为6.26亿～9.09亿元/年。年龄、生活区域及知识水平等社会特征是支付意愿显著影响因子,其中选择价值与知识水平和居住地有显著关系;遗产价值与年龄相关性显著;存在价值与社会特征没有显著关系。结论]滇池湖滨湿地的非使用价值评估是科学开发和利用湿地资源的重要前提。

Evaluation on Non-use Value of Dianchi Lake Wetland Using CVM

Objective] This study was to analyze the personal Willingness to Pay(WTP) on the non-use value of Dianchi Lake wetland and the influential factors.Method] Questionnaire was designed according to the Contingent Valuation Method(CVM) to investigate people of different occupations at different ages,based on which the evaluation on non-use value of Dianchi Lake wetland was carried out.And the relationship between WTP and social characteristics were analyzed by using non-parametric estimation.Result] The average WTP on Dianchi Lake wetland is 150.03-217.66 yuan per person every year,and the total WTP is 626-909 million yuan every year.Age,education and residence of the respondents have remarkable influence on the WTP.The influence of education level and residence on option value is significant;bequest value is significantly correlated with age;while there is no significant relationship between existence value and social characteristics.Conclusion] The evaluation on the non-use value of Dianchi Lake wetland is important for the scientific development and utilization of wetland resources.