عنوان مقاله [English]
نویسندگان [English]چکیده [English]
Rangelands are main components of environment and play an important role in providing forage for livestock, water cycle control in nature, soil and human's life balance conservation. The purpose of this study is economic evaluation implemented projects and examination sustainable development condition in the city Freydan. In this study, the data from all granted projects has been prepared through a questionnaire and evaluated economic condition. This assessment is based on the methods of Internal Rate of Return (IRR) and Benefit Cost Ratio (BCR). The results demonstrate that the performances of most of these projects were justified economically. But the result of the measurement of sustainable development in the area, indicating that in spite of the improvements activities taken, has continued degradation of rangelands. In conjunction with continuing improvements activities recommend to require to the activities such as balancing between the extent of rangelands and livestock number to prevent unauthorized remove and and cut of shrubs, constant monitoring of the rangelands.