critical centers of wind erosion and evaluation of measures taken to combat desertification (case study in jiroft and anbarabad counties)

Despite spending high expenses on combating desertification in our country, not much success has been achieved so far. the reason is the lack of evaluation or inappropriate evaluation of the projects done before and after the implementation of the projects. one of these plans is to control critical centers of wind erosion. some of these critical centers of wind erosion are located 25 km east of jiroft city in kerman province. the importance and evaluation of the effect of each of the managerial, biomechanical and biological measures in stabilizing running sands and controlling wind erosion in this critical center has shown that the applied methods have had both positive and effective results. since the sustainability of the applied methods depends on the observance of the principles based on sustainable development, it is very important to evaluate the measures taken. finally, what has been done in the critical centers of jiroft city is the joint and coordinated presence of all factors based on scientific, experimental and indigenous principles in the region, which has finally turned this project into an index project. one of the important features of this project is the use of non-living windbreaks instead of oil mulch and having a variety of species and compatible desert species. the results showed that among the evaluation methods, the best method for evaluating the measures taken in the critical centers of wind erosion are qualitative methods along with quantitative methods because most of the indicators in these areas are either digital or capable of being converted to quantitative indicators. evaluations showed that the activities carried out changed the vegetation rate and improved it from 37% to 74%, which is a sign of the success of the executive parameters.