北京市城市生态系统健康评价

文章从城市生态系统健康的内涵出发，在总结城市生态系统健康评价研究进展的基础上，运用模糊数学评价法对2001～2005年北京市城市生态系统健康进行定量诊断分析。结果表明，近5a来，北京市城市生态系统健康状况逐年提高，但尚未达到健康的理想水平，未来还有很大的发展空间。城市生态系统健康状况各要素中恢复力、生态系统服务功能、人群健康状况为优势要素，活力和组织结构是胁迫城市健康发展的不利因素。在此基础上提出改善城市生态系统健康状况的对策和措施。

The Health Evaluation of Urban Ecosystem of Beijing City

Based on the connotation and the research development of the health evaluation of urban ecosystem,this paper applies the method of fuzzy mathematical models to evaluate the health of urban ecosystem. Results indicated that the degree of the health condition of Beijing City was increasing year by year during the recent 5 years, while had not reached an ideal level. Among all the evaluated elements, the restorative power, the service function of ecosystem and the health condition of pelple are advantageous elements,while the vigor and organizational structure are adverse elements limiting the healthy development of the city. Thereby, certain strategies and measures have been put forward in an attempt to provide some background information and programming reference for the sustainable development of the city.