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为了更好地保护三江平原湿地生态系统,应用条件价值评估法(CVM)这一当前国际上流行的生态系统经济价值评价方法,对三江平原湿地的非使用价值进行评价.研究中采用实地调研的方式,进行支付意愿问卷调查,共发放支付卡式CVM问卷552份,回收有效问卷513份.得出三江平原湿地2007年人均支付意愿为71.66元/年.通过对问卷数据的描述性统计,得到支付意愿的分布情况和在各单一因素影响下的变化规律.用主成分分析简化影响因素,运用有序多分类Logit模型,得到在所有影响因素中,个人平均年收入、个人受教育程度以及个人环保态度是影响受访者对三江平原湿地非使用价值支付意愿的主要因素.研究结论使得三江平原湿地开发和保护价值比较成为可能,为政府制定相关政策提供理论基础与科学依据.
In order to better protect the wetland ecosystem in the Sanjiang Plain and evaluate the non-use value of the wetlands in the Sanjiang Plain by applying the method of Valuable Condition Valuation (CVM), a current international evaluation method of ecosystem economic value, Way payment questionnaire, a total of 552 payment card CVM questionnaires were issued and 513 valid questionnaires were recovered, and the average willingness to pay per capita was 71.66 yuan / year in wetlands in Sanjiang Plain in 2007. Based on the descriptive statistics of the questionnaire data, The distribution of willingness to pay and the changing rules under the influence of single factors.Using the principal component analysis to simplify the influencing factors and using the orderly and multi-class Logit model, we can get the conclusion that among all the influencing factors, the average personal income per person, individual education, Environmental protection attitude is the main factor that affects respondents’ willingness to pay for the non-use value of wetlands in Sanjiang Plain.The conclusions of the study make it possible to compare the value of wetland development and conservation in the Sanjiang Plain, and provide the theoretical and scientific basis for the government to formulate relevant policies.