Introduction: Erosion and especially soil erosion can be considered as one of the most threatening factor for the environment in general and for soil and water resources in particular. Because soil is made from the composition of fine material, mineral and homos and its a natural-dynamic environment in which plants are grown. Nowadays, soil erosion is one of the problems and challenges which cause huge damages, particularly in Iran. This happens because erosion has many other consequences including soil loss and degradation, water pollution, reduction of water reserves and dams water filling operation, threatening general health and etc.