Region Ecological Environment Evaluation Based on GIS and RS

Based on Geographic Information System(GIS)and Remote Sensing(RS), the landscape-change is analyzed in Huang-hua wetland form 1997 to 2007, and the influence on environment was evaluated due to the landscape transit based on eco-environment quality index and contribution rate. The main results and finding include that the environment of Huang-hua Wetland was destroyed,the eco-environment quality index dropped from 0.492 in 1997 to 0.422 in 2007. Wetland is in a degraded condition,and efforts should be made to strengthen the protection of wetland.