general director of natural resources of north khorasan province , more than 10 million hectares of mehrani-siri area and erosion of about sixteen tons per hectare it has necessarily doubled the freezer in the country, and the set of administrative measures can correct up to 70% of the damage , the percentage of the catchment area of man pashu, and their product has been poured into a country, so that the development and approval of the catchment area is available to the infrastructure commission of the government. because this bill was reviewed at the same time by reviewing the seventh development and secret strengthening plan, from the contents of the program, he should make simultaneous progress in the programs, that is, he should wait for a while until the bill of the seventh thousand supervisors program is finalized . that the watershed managers of the country have planned for this sector in the seventh and eighth plans, that in the seventh plan we will have some implementation, along with 45 million people, it should be hard work and study, and in the 8251 plan, we will implement in the