合肥市生态足迹动态分析

生态足迹作为度量区域生态可持续性的方法已经得到越来越广的应用,是城市可持续发展的重要指标。该文利用合肥市2000—2004年数据,分别计算了当地生态足迹、生态承载力、生态赤字以及万元GDP生态足迹。结果表明合肥市生态足迹呈上升趋势且大大高于当地的生态承载力,生态赤字现象严重。人均生态赤字由2000年的1.7041hm~2/人增长到2004年的2.10108hm~2/人。生态供需平衡依赖其他地区的生态输入。而万元GDP生态足迹则呈下降趋势,由2000年的2.545955减少为2004年的1.791977,表明在工业、经济的增长过程中对资源的利用率和效率有所提高。

Dynamic Analysis of Ecological Footprint in Hefei

Ecological footprint has been used more and more widely as a method of the measured sustaining development of region ecology, is an important target of sustaining development in city. This article uses the Hefei data from 2000 to 2004, calculated the ecological footprint(EF), ecological capacity(EC),ecological deficit(ED) and Ecological Footprint per ten thousand Yuan GDP. The result indicated the EF assumes the trend of escalation and greatly higher than the EC in Hefei, the phenomenon of ED is serious. In 2004,ED per person was 2.10108hm2;when in 2000,it was just 1.7041hm2. The balance between supply and demand relies on other area input. But ten thousand Yuan GDP Ecological Footprint assumes the drop tendency. In 2004 ten thousand Yuan GDP ecological footprint was 1.797977,when in 2000,it was just 2.545955. It indicated that resources using and the efficiency has enhanced with the industry and economical growth process.