A Study of Land Use Change Based on GIS——A Case Study of Taishan District in Shandong Province

With the 1:10000 map of land use status in 1990 and in 2005 of Taishan District as the source of data,this paper uses ArcGIS software to do the overlapping analysis and distill its properties,obtaining the rule of land use change of the research area in the past 15 years.The results show that there had been greatest change in garden land and construction land,with garden land decreasing by 53.93%and mostly converted into farmland,that residential land and industrial land area had increased by 44.40%and forest land by 18.90%,mostly converted from garden land,and that farmland had decreased by 5.44%and unexploited land by 34.13%.The paper discloses the cause for the waste of land and such problems as disordered agricultural structure adjustment and fast increase of construction land and proposes protecting the arable land strictly and controlling the rule of construction land approval and so on,providing bases for the improvement of eco-environment and the sustainable land use.