基于突变级数法的吉林省生态补偿标准核算

Accounting of Ecological Compensation Standards in Jilin Province Using Catastrophe Progression Method

为客观准确地确定各类土地的生态补偿标准,结合已有研究成果,采用突变级数法对生态系统的服务功能价值进行分析与评价,在此基础上提出基于突变理论的各类土地生态系统服务功能价值转换因子、均衡因子和生态补偿标准动态核算模型。应用该模型计算吉林省生态补偿标准,得出2012年吉林省耕地、林地、草地、湿地、水域和未利用地的生态补偿标准分别为1.534 9、2.018 5、1.682 1、2.094 9、1.826 8和0.823 6万元.hm-2,该生态补偿标准符合吉林省经济和社会发展的客观实际情况。基于生态系统服务功能理论和突变理论的生态补偿标准动态核算模型便于应用,具有较高可靠性和普遍适用性。

The traditional methods which were used to determine norms for ecological compensation for different kinds of lands usually neglect ecosystem as a whole and are not so applicable in practice because the norms they set are often too high for compensation. In order to determine accurately and objectively norms for ecological compensation for different types of lands, catastrophe progression method was used to analyze and assess service function values of ecosystems, by incorporating research results available. On such a basis, transform factor and equilibrium factor of ecosystem service function values of various types of lands and a model for dynamic accounting of norms for ecological compensation were brought forth based on the catastrophe theory. The model was then applied to calculation of norms for ecological compensation in Jilin Province. According to the calculation, the norm for ecological compensation for farmland, woodland, grassland, wetland, water area and virgin land is 15 349, 20 185, 16 821, 20 949, 18 268 and 8 236 yuan per hm2, respectively, in 2012, which is believed to tally quite well with the actual situation of social and economic development in Jilin Province. This example proves that the model is easy to use and quite high in reliability and universal applicability.