The GIS and RS were used to work out the latent acreages of the rocky desert of land in Guangxi,which are the areas of the unexposed carbonatite with the slope more than 25 degrees.

• 利用数字图像处理技术,我们预测出广西潜在石漠化面积(即坡度大于25度的未出露碳酸盐岩区)最大的是河池市,第二是百色市和崇左市。