Effects of Land Use Change on Ecosystem Service Values in Chifeng City

Based on the land use data of 1995 and 2000 year,and referring to the table of Chinese land ecosystem service value of unit area which was established by Xie Gao-di etc.,the effects of land use change in principal part of Horqin Sandy Land-Chifeng city on ecosystem service value were estimated.The result indicates that,from 1995 to 2000,the area of farmland increased 5.04%,the area of forestland decreased 2.44%,and one of grassland decreased 1.32%,of one water bodies decreased 0.58%,one of wetland increased 0.16%,and the land of rural-urban,industrial mining and residents reduced 0.19%,unused land decreased 0.55%.The land use in the studied area were different greatly from region to region,as most county kept abusing land by destroying forestland and grassland,especially for Aohan banner.The total ecosystem service value in Chifeng city Land decreased from 782.88×108 yuan to 778.49×108 yuan in period of 1995-2000,there was a 0.56% net decrement of 4.39×108yuan,and the decrease was caused by the decrease of grassland and forest and the increase of farmland.