运用生态足迹方法,探讨了区域生态安全评价问题,提出了生态压力指数概念及计算方法,对宝鸡市1995~2004年生态足迹进行了动态分析。结果表明,10a来宝鸡市的生态足迹超过了生态系统的承栽力,生态安全等级属于Ⅳ安全级,宝鸡市生态系统所承受压力偏大;提出了加强宝鸡市城市生态安全的建议。
Regional eco-security in Baoji, Shaanxi Province was assessed by ecological footprint method. The concept of ecological pressure index and its calculation method were proposed. The ecological footprint in Baoji during 1995-2004 was dynamically analyzed. The result showed the ecological footprint in this region was beyond the ecological capacity of the natural ecological system, the ecological security was in level Ⅳ, indicating that the ecological system in this region was under pressure. Some suggestions were given to reinforce the ecological security.