摘要
为了了解近年来扬州城市生态系统发展趋势,根据社会—经济—自然复合生态系统的概念,从社会、经济、自然三个方面构建了扬州城市生态系统评价指标体系,并利用主成分分析方法对扬州市2000—2007年城市生态系统进行评价,结果表明扬州城市生态系统发展稳定,呈稳定上升趋势。
In order to find out the trend of Yangzhou urban ecosystem in recent years, according to the concept of social-economic-natural complex ecosystem, this paper selects indicators to build evaluation index system of urban ecosystem in Yangzhou. In the paper,principal component analysis is used to evaluate the urban ecosystem data of 2000-2007 in Yangzhou. The results show that Yangzhou urban ecosystem is steadily rising.
出处
《安全与环境工程》
CAS
2010年第3期47-50,共4页
Safety and Environmental Engineering
关键词
城市生态系统
环境质量评价
主成分分析法
扬州
urban ecosystem
environmental quality assessment
principal component analysis
Yangzhou
