陕西生态经济系统发展水平的能值分析

运用能值分析方法,对陕西省生态经济系统1998年～2007年各能值指标进行分析,并与我国一些省份和其他国家的有关指标进行了比较研究.结果表明:陕西的经济发展主要建立在对本地不可更新资源的开发利用上,目前的发展模式主要是一种高资源消耗型经济.陕西省2007年人口数量已远远超过其承载能力,可持续发展指数为1.35,研究区可持续性发展的基础比较差.并以此为依据提出了相应的措施.

Emergy analysis of ecological-economic system of Shaanxi Province

A quantitative analysis and an evaluation of the eco-economic system of Shaanxi Province were performed on the basis of emergy theory from 1998 to 2007, and then these indices were used to take comparisons between Shaanxi and other countries and regions. The results show that Shaanxi economic development mainly depended on the intensive nonrenewable natural resources consumption which brings about the industrial structure and economic benefits operation in unsustainable manner. The population of Shaanxi Province in 2007 has exceeds its ecological capacity. Emergy sustainable index is 1. 35 indicating that the basis of sustainable development relatively poor. On the basis of the results, vital suggestions are proposed.