Retrospective Evaluation of Ecological Environment Impact Base on RS and GIS——Taking the Zijinshan mine in Fujian province as an example
Explanation,collection,analysis and comparison are made on ecological environment information of Zijinshan mine area with the methods of RS and GIS based on practical investigations.The result shows that the exploitation of Zijinshan mine has caused disruptions to the ecological environment of the mine area to a certain extent,the coverage rate of vegetation has decreased,land utilization type changed and soil erosion accelerated,with little change of erosion type and strength to the surrounding area of the mine.