郑州市城市生态安全评价

应用压力(Pressure)一状态(State)一响应(Response)模型,构建郑州市城市生态安全评价指标体系,采用综合指数法对2003—2009年郑州的生态安全状况进行了评价,对评价的结果作了状态分析与趋势分析,结论表明:2003,2006年为临界安全,2004,2005,2007,2008,2009年较安全,郑州市生态安全状态正向着良性的方向发展.为了更好的了解郑州市城市生态安全状态,将郑州与其他一些城市做了比对,并对郑州城市生态安全未来的发展趋势做了预测.揭示了郑州市生态安全状态变化的原因,提出继续保持和进一步改善郑州生态安全状况的建议.

Assessment of the Eco-Security in Zhengzhou City

According to the pressure-state-response model,this paper constructs an appraisal target system of eco-security for Zhengzhou city.With composite index,this paper appraises the eco-security condition of Zhengzhou from 2003 to 2007,and analyzes the state and trend of the appraised result.The result shows that the eco-security condition of Zhengzhou city from 2000 to 2004 is respectively critical security in 2003 and 2006 and relative security in 2004,2005 and 2007,which proves the eco-security of Zhengzhou city,is in a tendency of benign condition.Further more,in order to know the Zhengzhou＇s urban ecological safety situation,this paper has compared Zhengzhou with some other cities,the ecological security of the development trend of Zhengzhou in the future has predicted as well.Finally,the paper discusses the reasons for Zhengzhou city＇s eco-security change and puts forward appropriate measures and suggestion for keeping an further improving the eco-security condition of Zhengzhou city.