Feature Research on Jiangning Land Use Change with Spatial Analysis

With multi-source remote sending satellite data the land use coverage’s has been obtained from the tree-periods present land use in Nanning.Based on this,the spatial data overplay analysis with the aid of GIS software and a type transition matrix of Markov Chain Model is worked out to analyze the land use/cover change in Nanning.The results indicate that in the recent twenty years,cultivated land has been loss 4214.02 Hectare with the advanced urbanization caused by the economy development.And these cultivated lands have been converted into the urban infrastructure built-up land and aquaculture land with high economic benefit,but the contradiction between human and land is still intensified gradually.