Desertification and Kavir progress are known as the most important problem in arid regions.Within this context, regional studies indicated that expansion of Kavir-e-Mighan toward its sorrounding areas are destroying all vital values and transformed them to be favourized areas supporting fauna and flora. Human based activites, geomorphological and climatic modification are mainly responsible for this catastrophic situations. Mighan basin (5440 km) situated in north-east of Arak. Nevertheles, some elevated uplands with more than 3000 m pf altitude bring humidity covering this region.The effects of plants cover in Mighan is notable and any strategy focusing vis a vis to vitalize and expand them help to stop Kavir impacts. Nitraria schoberi is a plant which can be observed commonly in this region and must be considered as a good mean to prevent Kavir expansion and also well known for its resistance against harsh and saline lands.