1. Abdollahi, J., Naderi, H., Mirjalili, M.R and Tabatabaeezadeh, M.S. 2013. Effects of some environmental factors on growth characteristics of stipa barbata species in steppe rangelands of Nodoushan –Yazd. Iranian Journal of Range and Desert Reseach. 20 (1): 130-144. 2. Abolqasemi, M., Shahmorady, A and N, Meybodi. 2009. Autecological S. pennata in Yazd province, grassland and desert Research Journal, 16 (2): 254-261. 3. Aerts, R.,Van overtveld , K., Haile, M., Hermy, M., Deckers, J. and Musy, B. 2006. Species composition and diversity of small Aformontane forest fragments in northern Ethiopia. Journal of Plant Ecology, 187:127-142. 4. Azarnivand. H and M, Jafari.2007. Investigation on habitat Characteristics in Smirnovia iranica and determination of distribution patterns in sand. 77:62-68. 5. Azarnivand. H., Tavili, H and M, Jafari.2011. Investigation on ecological characteristics of Astragalus squarrosus. Journal of Range and desert. 18 (3): 372-383. 6. Bagheri, H., Shahmoradi, A and SM, Adnani. 2012. Evaluation of Autecological Cart (S. plumosa) in the range of Qom. Journal of Range and desert, (43): 187-190. 7. Baohua, J., and Hongying, Z .2009. Preliminary study on the mechanism for adaptation of Stipagrostis pennata to desert. Journal Biology. 12 :94- 100. 8. Batoli, H. 2004. Ecological study of plant communities of kashan sand plain, MS Thesis University of Tehran University, p: 68. 9. Behjatmanesh, A. 2004. Adaptation of plants sand dunes in Yazd province in ecological conditions. Journal of dryness and drought. , (14): 53-65. 10. Biroodian, N. 2001. Management of desert areas. Press Rashad, Gorgan, 206p. 11. Danin, A. 1996. Adaptations of Stipagrostis species to desert dunes. J. Arid Envirnoments. 34: 297-311. 12. Delbari, d. 2010. A study on the relationships between Soil physico-chemical and Vegetative characteristics of Stipagrostis pennata in arid zone (Case study: Sabzevar plain) ,Thesis, Gorgan University of Agricultural Sciences and Natural Resources, P: 7. 13. Eshaghi, J., Zahedi., Marvi, Gh and A. Mataji. 2010. Relationship between vegetation and physical and chemical properties of soil in Fagetum communities. Iranian Journal of Forest and Poplar Research. 17(2): 174-178. 14. Farahani, A., Shahmoradi,A and Zarekia, S .2008. Autecology of Stipa barbata in Tehran Province. Journal of Range and desert,15 (1): 86-94. 15. Faruqi. A. 1980. Studies on Libyan grasses. Journal of Willdenowia. 10: 171- 225. 16. filekesh, I. 2010. final gzarsh project pastures in the production and consumption of agricultural and natural resources research .aystgah stack Abbas Sabzevar. 17. Ghanbarian, Gh. 2009. Research the ecological characteristics of plant communities due to the geomorphology of the region in Fars province Rahdar plane. Masters thesis, Tehran University. Pp:154. 18. Ghasemkhani, M. 2004. Study of Aristideae C. E. Hubb. Ex Bor in iran. ,Thesis, Esfehan University. P:157 19. Ghorbanli, M. 2002. A view on the flora and vegetation of the iran deserts. Research Institute forests and Grasslands, 110 p. 20. Hodgkinson H, S. 1987. Relationship of saltbush species to soil chemical properties, J. Range.Mgt, 40: 23-26. 21. Khakasi, L and Zare Chahoki, M.A. 2014. Using factor analysis to determine the potential habitat ecology. . Journal of Range and desert, (4): 525-536. 22. Krooji, H.2008. examined the effects of geographic fed plain water Rvdab Sabzevar. Master Thesis Geography wise Sabzevar University, p :41. 23. Luqman, c. 1997. Perspective of roads and highways using rainwater catchment systems and drought tolerant plants. Soil Conservation and Watershed Management of Ministry Jahad, 232 p. 24. Taghipour, A., Mesdaghi, M and SH. Rastgar. 2005. The effect of environmental factors on distribution of range species at Hazar jarib area of Behshaher. J. Agric. Sci. Natur. Resour., Vol. 15(4), 2008. 25. Tongway, D.J., and Hindley, N.L. 2004. Landscape Function analysis: a system for monitoring rangeland function. African Journal of Range and Forage Science. 21: 2. 109- 113. 26. Valizadeh, M., Bagheri, A., Valizadeh, J and N. Moshtaghi. 2015. Autecology of Withania coagulans (Stocks) Dunal in Sistan and Baluchestan province. Iranian Journal Medicinal and Aromatic Plants, Vol. 31, No:1. 27. Vieira, S. R. and Paz Gonzalez. A. 2003. Analysis of the spatial variability of crop yield and soil properties in small agricultural plots. Bragantia Campinas, 62: 127-138. 28. Weindrof, F. D. C. and Zhu, Y. 2010. Spatial Variability of Soil Properties at Capulin Volcano, New Mexico, USA: Implications for Sampling Strategy. Pedosphere, 20(2): 185–197. 29. Zare Chahoki, M.A and M. Safizade. 2008. Environmental effective factors on distribution of arid plants (Case study: Chahbyki region of Yazd province). Iranian journal of Range and Desert Reseach. 32: 403-414. 30. Zare, B., Ghorbani, and Asghari, A. 2014. Effective ecological factors on distribution of Artemisia fragrans Willd on the southern slope of Sabalan. J. Range., 8: 238-244.