Document Type : Research Paper



Zygophyllum atriplicoides is one of the most important rangeland plants that often seen as associated species and rarely seen as the dominant species in ranglands rangelands which is very critical for soil  in starting and ending points of each transect. Measured soil properties (included gravel, texture, organic matter, lime, pH and electrical conductivity) and physiography (elevation and slope) is measured also. By importing the information layers in appropriate model and using necessary statistical analysis in ENFA model, the map of its potential habitat has been created. The results showed that 25200 hectares of study site is potential habitat of Zygophyllum atriplicoides which is 34 percent of study site. To evaluate the verity of this model, Boyce index has been used and model rectitude in this test was determined as 87.2 percent. The result of this model is shown that PH and Lime are the main effective factor to determine potential suitable of this plant species.



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