南充市城市生态系统健康评价

Assessment of Urban Ecosystem Health in Nanchong

城市生态系统是一个综合性、复杂性的大系统,涉及到城市自然环境、社会经济、人群健康状况、资源状况、环境状况和城市基础设施等各个方面,健康的城市生态系统是人类所向往的目标。从生态系统健康的内涵出发,依据城市生态系统的特殊性,建立了城市生态系统健康评价指标体系;运用AHP法确定了城市生态系统健康评价各指标要素之间的权重;采用模糊数学法的原理建立城市生态系统健康评价模型。将该模型方法应用于南充市城市生态系统健康评价,通过评价得出:南充城市生态系统健康状况为“亚健康”状态,其隶属度为0.329。

Urban ecosystems is a comprehensive and complex systems,involving urban environment,socio-economic,health groups,resources,environment and urban infrastructure fields,the healthy urban ecosystem is a goal that mankind aspire to.Starting from the content of ecosystem health,based on the specificity of urban ecosystems,have set up the health evaluation index system of urban ecosystem;Use AHP method establishes evaluation of the urban ecosystem health indicators between elements of the weight;Adopt the principle of the law of fuzzy mathematics to set up urban ecosystem and appraise models healthily.Apply this model to the urban ecosystem of Nanchong and appraise healthily,through appraising out: The urban ecosystem health status of Nanchong is 'second health' appearance.And the index of health is 0.329.