Conversion of Low Degree of Vegetation Cover Land Use in Region Around Beijing
首都圈易起沙土地的合理转型

The conflict of the need and supply of land and water in many regions is more and more sharp And the irrational use of land and water might cause environmental deterioration and sandy storms In this paper, the data was from digital land use map of 2000 of Resources and Environment Data Center of IGSNRR, CAS and the land resource map of PRC, which was digitized by myself Based on these data and the ecogeographic regionalization, GIS method was used to analyze the land use status and land suitability of 4 ecogeographic regions The conversion land use types, area and spatial distribution of the 7 low degree of vegetation cover land use types, such as sparse forest land and low degree of grass cover land in deferent regions, were achieved Based on those findings, sandy storm preventing and eco environment constructing could be brought into effect