Landscape heterogeneity is closely related to soil differentiation. The Jianghan Plain is divided into three landscape types: Plain Lake, Gently Gradated Mounds, and Rolling Hills, delineated according to contour lines of 50 m and 100 m, based on DEM data. The overlay analysis of the soil and landscape type maps was done to extract data describing the soil subgroup patches, as well as their perimeters and areas, etc. in different landscape types. This analysis was supported by the ArcGIS10 platform. Then, some indices, such as the fractal dimen...
