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机构地区:[1]宝鸡文理学院地理科学与环境工程系,陕西宝鸡721013 [2]陕西师范大学旅游与环境学院,陕西西安710062
出 处:《安徽农业科学》2009年第4期1718-1720,共3页Journal of Anhui Agricultural Sciences
基 金:国家自然科学基金项目(40371003);宝鸡文理学院重点项目(ZK0795)
摘 要: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1995-2004年宝鸡市生态足迹进行了动态分析,分析表明:10年来宝鸡市的生态足迹超过了生态系统的承载力,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;最后提出了加强宝鸡市城市生态安全的建议。This study aimed to review the assessment of regional eco-security by ecological footprint and put forward the concept of eco-pressure index and its calculating way. Dynamical analysis of the ecological footprint in Baoji during 1995 - 2004 was conducted and the result showed that its ecological footprint was beyond the ecological capacity of the natural ecological system in recent 19 years; the security degree of ecology system belonged to IV and the ecological pressure was heavy in Baoji City and finally some suggestions were put forward to alleviate this ecological security of this city.
分 类 号:X171.4[环境科学与工程—环境科学]
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