The typical natural landscapes and temporal-spatial regulation of land use change and their ecological ef- fects at Hailun County were conducted and analyzed

based on the translated data from remote sensing images in 1986 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

3 391. 18 hm~2 and 120. 84 hm~2 while the area of forestry

grassland and marsh decreased 3 184. 88

1 625. 8 hm~2 and 3 994. 85 hm~2 respectively during 14 years. Dry land is a main land- scape 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 eco- logical environment protection and agricultural sustainability and land resources sustainable using.