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中国农学通报

中国农学通报 ›› 2010, Vol. 26 ›› Issue (21): 286-290.

所属专题： 农业生态

• 资源 环境 生态 土壤 气象 • 上一篇    下一篇

基于生态足迹的城市生态安全评价 —以宝鸡市为例

徐玉霞   

  • 收稿日期:2010-03-08 修回日期:2010-05-12 出版日期:2010-11-05 发布日期:2010-11-05
  • 基金资助:

    基于生态足迹的宝鸡市生态安全评价研究

Assessment of Ecological Safety Based on Ecological Footprint in City—take Baoji as an instance.

  • Received:2010-03-08 Revised:2010-05-12 Online:2010-11-05 Published:2010-11-05

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摘要：

摘要：【研究目的】：分析宝鸡市生态安全与社会经济发展存在的问题及对策，以期为相关决策部门提供参考依据；【方法】以生态足迹分析方法为基础，利用生态压力指数对宝鸡市1996-2005年的生态安全进行初步研究和评价；【结果】宝鸡市的生态压力指数从1996年的1.453041逐年增至2005年的4.452437，增加了3.06倍，生态足迹与生态承载力之间的矛盾正在加剧，生态系统进一步遭到破坏，人地关系紧张，现有的发展模式是不可持续的，生态环境由较不安全变为极不安全状态；【结论】评价结果显示，宝鸡市近十年来的自然生态由较不安全状态变为极不安全状态，且生态压力指数呈上升趋势。

关键词: 水分处理, 水分处理, 专用小麦, 谷氨酰胺合成酶, 产量

Abstract:

Abstract:【OBJECTIVE】Analyze ecology safe and social economic development existing problem and countermeasure in Baoji, in the hope of providing the reference basis for relevant decision department;【METHOD】Based on analytical method of the ecological footprint, utilize the ecological pressure index to carry on preliminary research and appraise to the ecology of 1996-2005 years of Baoji safely;【RESULTS】The ecological pressure index of Baoji has increased by 3.06 times from 1.453041to4.452437 increased from 1996 to 2005, the contradiction that ecological footprint and ecology bear the weight of between strength is being aggravated, the ecosystem is being further destroyed, people have tense relation, the existing development model is unsustainable, the ecological environment is turned into an extremely unsafe state more unsafely;【CONCLUSION】Appraise result reveal Baoji city natural ecology for the past ten years turn by unsafe state into extremely state more, and the ecological pressure index is on the rise.