The study was conducted at the Southern part of West Bank, near Hebron city, during 2005, 2006 and 2007. Five treatments were implemented; forests planted with P. halepensis (F), natural vegetation dominated by S. spinosum (W.S), natural vegetation
. The results indicate that forests and natural vegetation dominated by S. spinosum prevent or decrease the risk of runoff and soil erosion. In conclusion, the removal of S. spinosum and forest trees as a means to improve rangeland productivity increases runoff