城市生态安全评价与研究——以合肥市为例.docx

The Evaluation and Research of a City’S Ecological
Security——-Hefei City for Example
Today,as China's cities large in scale and increase in amount,the city's ecological security problems have gradually e the focus of public attention to the scientific hot ,our understanding of the city's ecological security and the development status of the problem and to suggest solutions strategy on the city's sustainable development
will play all important role.
1nhe dty's ecological security is one of important aspect in ecological the
present,such this study just begins,therefore there is no mature theoretical system and evaluation on the draw on current domestic and foreign research results,the paper studys on the basis of the city’S ecological security concept,evaluation methods and applications of the paper analyzes and summarizes the ecological security of
progress Oil the ecological security of the content and this is proposed that the city's ecological security concepts,and given that the city's ecological security definition:it is supported that a state of urban development in a goal within the threshold for the urban sustainable development and protecting the lives of the residents of rich ecological health of the environment and resources.
Basis on analysis of the urban ecological security factor and the impact on the urban
ecological city for construct thc city's ecological security system of index system from economic developme吐environmental protection and social progress in three pn‘sing 24 indicators,reflecting the city’S
ecological security of the main field,and reflecting the city's ecological security of the state.
According tO the city's ecological security on the system,with the city's ecological security
features the level of analysis and ponents analysis bining the
city's ecological security of results of the analys