The longitudinal and transverse vally gadient in Xingzhihe water-shed was measured

it decreases progressively from upper to lower rea-ches.There is a componet function relation between transverse valleygradient (first order branches) and valley length. In this watershed thepopulation density

precipitation and temperature increase by degrees butsoil erosion intensity decreases with decreasing of altitude. According tofour factors above

the authors have suggested macroscopic control patternthrough longitudinal

transverse and vertical zones in whole Xingzhihewatershed

so the Xingzhihe watershed is divided into three zories: Aero-sowing herbs and shrubs zone; mixed zone of forest

shrubbery

pastureand agriculture; agriculture zone with basic farmlands.