Abstract:

A mountain of geo-spatial information and social economic data to be processed and analyzed in the process of evaluation of ecological security. And it demonstrated the pattern of ecological security with the help of established database of graphics and attributed data. In addition, it confirmed the ‘P-S-R’ frame model and quantified the indices of the ecological security, which based on the mastering a certain of ecological materials about Shiqian’s environment. What’s more, it calculated the indices weight by adopting the method of fuzzy analytic hierarchy process, then, the ecological security of Shiqian County was divided into 4 levels, they were the safety area, relatively safe area, less safe area and unsafe area. Finally, it will be given the elevation of 4 classes and some ecological security measures for the local government.