Determining the most effective climatic and pedological factors on the vegetation status in rangeland of Isfahan Province | ||
| تحقیقات مرتع و بیابان ایران | ||
| Article 7, Volume 27, Issue 3 - Serial Number 80, October 2020, Pages 463-484 PDF (1.22 M) | ||
| Document Type: Research Paper | ||
| DOI: 10.22092/ijrdr.2020.126906.1871 | ||
| Authors | ||
| Leila Bakhshandehmehr1; Mohammadreza Yazdani* 2; Reza Jafari3; Saeid Soltani4 | ||
| 1Phd Candidate of desertification Combating, Department of Desert Studies, Semnan University | ||
| 2Associate Professor at, Department of Desert Studies, Semnan University | ||
| 3Associate Professor at Department of Natural Resources, Isfahan University of Technology | ||
| 4Professor at Department of Natural Resources, Isfahan University of Technology | ||
| Abstract | ||
| Research on the environmental controllers in plant communities is one of the research fields for many ecologists. Identifying the factors affecting the vegetation cover in the arid regions is the first step to recognize the destructive factors, which inhibit the growth and development of vegetation. In the current study, using the structural equation modeling method and Partial Least Square – Structural Equation Modeling (PLS-SEM), climatic and pedological variables that affecting the vegetation cover in steppe rangelands of Zayandehrood basin of Isfahan province were identified and modeled. According to the results, soil clay content, maximum runoff height on the soil, temperature, and dryness of the environment are the most important variables affecting the quantity and quality of vegetation in the rangelands of the Zayandehrud basin. Besides, the role of climatic factors is more than soil factors in the distribution of vegetation in the region. The model presented in this research has good accuracy and high flexibility for modeling ecological phenomena. | ||
| Keywords | ||
| Vegetation cover; Partial least square; Structutal equation modeling; Validity; Reliability | ||
| References | ||
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