淮南市生态化程度评价探讨

An Evaluation on the Eco-degree of Huainan City

选择淮南市2001—2005年为研究对象,分别运用层次分析法、灰色关联度法和主成分分析法3种评价方法,对淮南市进行纵向评价,建立了淮南市生态城市评价指标体系.根据评价结果,分析了各年份间的生态化程度差异,得出淮南市各年份之间的生态化程度逐年上升的结论;并比较了3种评价方法的优劣.

Three evaluation methods, i. e., the multilevel analysis, grey correlation and essential component analysis, were applied to study the eco-degree of Huainan city from the year 2001 to 2005. An appraisal index system was established. Based on the system, the differences of eco-degree between the years were analyzed and a result was educed that the eco-degree of Huainan city has been increasing year by year during the above five years. Besides, three evaluation methods were also compared.