Identification of suitable areas for combat to desertification projects, prerequisite for the success of wind erosion control

Wind erosion, causes air and environment pollution by transferring microscopic particles into the atmosphere. Occurrence of this phenomenon in the source areas causes soil erosion and in other places proportional to the strength and speed of the wind causes the accumulation or deposition of particles. Knowing the areas for combat to desertification operations is one of the necessities for the success of corrective actions. The type of planning and control methods for wind erosion are different in each of the stages of deflation, transportation and sedimentation. The most principled and successful areas in this regard are deflation areas. In this study, using field studies, satellite imagery and visual interpretation, erosion areas including transportation, sediment and deflation were identified. Selecting two areas in the points of deflation and transportation, the durability and longevity of pebble mulch for three years was studied to show that spending time in finding the best place to implement combat to desertification projects is the most important step in reducing human and financial costs and dust control. Estimation of wind erosion rate in deflation points was done by measuring wooden indices. The results obtained from the collected data of wooden indices in Segzi plain indicate an average of 1.9 kg/m² y-1 from the soil surface, and in Fesaran plain indicate an average of 1.2 kg/m² y-1 from the soil surface, Which shows that the project site in Segzi plain is located in the source area and the amount of wind is higher than the project site in Fesaran plain, which is a transport and sediment area, is faced with less wind erosion. Also, by soil science studies, the reason for failure of Haloxilon ammodendron species planting projects in some parts of Segzi plain can be understood, which indicates the incorrect choice of the location of biological projects.