基于因子分析法的生态环境综合承载力分析

随着人口增长和经济的快速发展,菏泽市经济、社会、资源与环境之间矛盾日益突出。基于生态安全现状、环境质量现状和资源利用现状等几个方面建立评价指标体系,应用因子分析法对2005-2011年菏泽市生态环境综合承载力进行了分析,结果显示近年来菏泽市生态环境综合承载力逐年好转,但总体形势尚不乐观。主要限制因子为城镇生活污水排放量、大气环境PM10排放浓度、SO2年排放量、农用化肥使用量、地膜覆盖面积以及水资源利用效率等。

Analysis of Ecological Environment Carrying Capacity Based on Factor Analytic Method

Along with the rapid economic development and pollution growth,the contradictions among the society,economy,resources and environment in Heze City have become increasing prominently.It establishes the evaluation index system based on the present status of ecology,environmental situation and utilization status of resources.Ecological environment carrying capacity in Heze city is analyzed with the factor analytic method on the year of 2005~2011.Results show that in recent years ecological environment carrying capacity is being improved year after year in Heze city.However,the overall situation is not very good.The main limiting factors are urban sewage discharge,atmospheric environment PM10 concentration,SO2 emission,amount of fertilizer,plastic film covering area and situation of water resources utilization efficiency.