城市生态系统健康综合评价

Comprehensive assessment of urban ecosystem health

生态系统健康是生态学领域的研究热点之一.文中提出了对城市生态系统健康概念的理解;从状态空间的角度,解释了城市生态系统健康的内涵,并以此为基础,提出了目前研究中存在的不足;从复合生态系统的角度,提出了一种新的城市生态系统健康评价方法———综合评价方法;构建了城市生态系统健康综合评价模型,并将该方法应用于佛山市城市生态系统的健康评价.结果表明,在研究时段内,佛山市城市生态系统健康水平逐年上升;综合评价方法不仅能反映城市整体健康状况,而且能辨别各子系统的相对健康水平,具有一定的理论价值和可操作性.

Ecosystem health is one of the research hotspots in ecology. This paper discussed the concept of urban ecosystem health, and from the viewpoint of complex ecosystem, presented a new method and a calculation model for the comprehensive assessment of urban ecosystem health to overcome the current researches shortcomings. The application of the method and model in Foshan City of Guangdong Province showed that the assessment results could reflect not only the overall health status of the city, but also the relative health level of the city＇ s sub-systems.