节点文献
生态脆弱区的县域生态安全评价——以神木县为例
Security Evaluation of Ecological Fragile Area of Shenmu County
【摘要】 采用生态安全的综合指数和层次分析方法,建立生态脆弱区神木县的生态安全评价体系,综合评价神木县10年来的生态安全变化趋势。结果表明:近10年来,神木县生态安全状况由中警状态走向预警状态;生态环境虽然有所改善,但生态安全状况仍然严重。从生态环境、人文环境、环境污染压力和环境保护四个方面阐述了这一问题,并进行了原因分析,为改善生态环境现状提出了建议。
【Abstract】 Evaluation system of Shenmu county was established based on the method of integration index and hierarchy analysis of the ecological security to evaluate the changeable tendency of the ecological security of Shenmu county in the recent 10 years.The results showed that ecological security in Shenmu county was from middle alarm state to previous warning states;Although the ecological environment was becoming better,the problems were also serious.Problems from the ecological environment,social environment,environmental press of pollution and environment protection and the reason were analyzed,which was provided for improving the ecological environment.
【Key words】 Ecological security; Hierarchy analysis method; Integration index; Shenmu county;
- 【文献出处】 江西农业学报 ,Acta Agriculturae Jiangxi , 编辑部邮箱 ,2007年02期
- 【分类号】X826
- 【被引频次】20
- 【下载频次】474