Ecosystem Health Assessment of Guangzhou City

Guangzhou urban ecosystem health evaluation index system was built by the connotation of urban ecosystem health and the actual situation in Guangzhou city. The system concluded five indexes such as vigor, organizational structure, resilience, ecosystem services and health status of populations. Each index weight was calculated with entropy-weight method, and comprehensive evaluation model was established to assess the urban ecosystem health level of Guangzhou city. The results showed that the health status of the ecosystem of Guangzhou city was good in 2010. High energy consumption, the R & D expenditure, environmental protection investment, urban public green space and Engel coefficient had exerted influence on the healthy development of Guangzhou city. Thereby, strategies and measures should be put forward in an attempt to provide some background information an d programming reference for the sustainable development of the city.