عنوان مقاله [English]
this investigation has been performed in the tribe center of Naz-Dasht in Southern Khorasan regarding the effect(s) of the tribes’ settlement on economical, social-human and environmental issues. The present study was of case and field study and its analyses have been done by analytic and descriptive methods. To analyze the statistical data and to determine the meaningful levels between variants, the parametric tests have been used for the measurement of timed and relative variants and the unparametric tests used for that of nominal and ordinal variants. Due to the investigation, the following results have been derived: 1- There have been more changes in the social aspect, for instance, there have been formed some positive changes in educational and hygienic issues. From the tribes’ points of view, the settlement center could improve the different angles of their lives because it put an end into the difficulty of immigrating. The most important factor of which pleased the tribes regarding the settlement planning was due to the social changes in comparison with that of economical ones.For a permanent settlement, better plans and arrangements should be designed and performed especially for the economical improvement of the tribes because their life expenses are increased due to the settlement, and it is recommended that such investigations continue from different angles even after the tribe’s settlement and assembling.