基于PSR-熵权综合法的银川市人居环境生态适宜性评价

引用PSR模型,运用熵权综合法对银川市人居环境生态适宜性进行分析.结果表明,从2006—2010年,银川市人居环境生态适宜性发展处于陡降缓升态势.2006—2007年,银川市人居环境生态适宜性状态系统处于一个非常时期的转折阶段;2007年之后,银川市人居环境生态适宜性则一直处于缓慢发展状态,压力始终小于响应,直到2010年压力系统超过了响应系统,响应与压力之间的博弈使得银川市人居生态环境越来越能满足人们生活的要求.

Ecological suitability evaluation based on PSR-entropy weight synthesis of human settlement environment in Yinchuan

Based on the PSR model,entropy weigh synthesis method is applied in the analysis of the human settlements ecological suitability（HSES） of Yinchuan.The results show that during the study period from 2006 to 2010,the development of HSES in this city was in a trend of sharp decline with slight rise.In 2006 to 2007 the HSES system in Yinchuan was in a turning stage;after 2007,the HSES was developing with a low rate,with lower pressure to the respond until 2010.After 2010,the ecological environment for human settlement in Yinchuan is better to meet the demand of human life with higher pressure to the respond.