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The typical natural landscapes and temporal- spatial regulation of Land use change and their ecological effects at Hailun County were conducted and analyzed, based on the translated data from remote sensing images in 1986, 1996 and 2000 using GIS and landscape ecological theory. The results indicated the area of arable land, paddy field and city land increased 7,786.39 , 3391.18 and 120.84 while the area of forestry, grassland and marsh decreased 3,184.88 , 1,625.8 and 3,994.85 respectively during 14 years. Dry land is a main landscape in this area. These changes made the environmental quality worse gradually, such as land degradation, soil erosion and water and soil losses, and temperature getting warmer. This study is very important for the local ecological environment protect and agricultural sustainability and land resources sustainable using.

Land Use Dynamic Change and Ecological Effects Analysis Based on GIS - A Case Study at Hailun City