Research on Forest Resources Based on GIS

This paper introduced a method to get the information of grade and aspect of slope deriving from DEM automatically by Taking the case of Jiangpu coumty,jiangsu provence.The areas of 3 kinds of woodland at different slope-grades and slope-aspects were computed based on the software of GIS,together with the grid themes of the land use types which has the same resolution(30 cm) as DEM.