林学
1.Zhifanggou watershed of Ansai County in Shaanxi province as study area, based onforestry and ecology theory, by means of Remote Sensing (RS), and supported byGeographical Information System (GIS), this paper realizes forest site analysis andafforestation devise. First, build background database on ecology environment of Zhifanggou,which is supplied as base information database for digitalize and auto-management.
