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Journal of Rangeland Science (JRS)

Editor-in-Chief: Professor Ali Ashraf Jafari

Online ISSN: 2423-642X

Print ISSN: 2008-9996

Publishes Quarterly

Volume 3 (2013)

Issue 1, January 2013

Original Article
Investigation on Effects of Environmental and Soil Factors on Establishment of Vegetation Types (Case Study: Sabzdasht, Bafgh)

This research was conducted to investigate the relationships between soil (organic matter, potassium, phosphorous, sodium, fine gravel, soil texture, EC, lime, gypsum, nitrogen) and environmental (elevation, slope) factors with distribution of vegetation types in rangelands of Sabzdasht, located in Bafgh, Yazd province at 2012. For this purpose, four vegetation types were selected as follows: Artemisia […]

Original Article
The Effect of Altitude and Aspect on Rangeland Plant Diversity (Case Study: Dashte Zahab, Kermanshah, Iran)

Recognizing the herbaceous plant species diversity could use as an important indicator applied for the rangeland and forests management. Considering the presence of vegetation and animal husbandry in Zagros region, Iran, being aware of the diversity and richness of plant species is necessary to management or the destructed vegetation restoration. In order to study the […]

Original Article
Landslide Susceptibility Mapping for Subalpine Grassland Using Frequency Ratio and Landslide Index Model (Case Study: Masoleh Watershed, Iran)

Subalpine ecosystems are highly fragile as compared to biological and environmental factors. Landslide is one of the ruinous upshots of this ecosystem. One of the impressionable areas in the cause of natural factor is Masoleh watershed in western Alborz Mt, (Iran). In order to landslide hazard zonation, landslide index and frequency ratio method based on […]

Original Article
Assessment of Range Health Changes in Zagros Semi-Arid Rangelands, Iran (Case Study: Chalghafa- Semirom-Isfahan)

Rangeland health assessment provides qualitative information on ecosystem attributes. We examined changes in rangeland health in the Zagros semi-arid rangelands of Iran at fixed sites between 2001 and 2011, over the 10-year period. The rangeland fragments significantly declines in the quality of the vegetation, and changes in plant species were driven largely by seasonality, and […]

Original Article
Comparing Discriminant Analysis, Ecological Niche Factor Analysis and Logistic Regression Methods for Geographic Distribution Modelling of Eurotia ceratoides (L.) C. A. Mey

Eurotia ceratoides (L.) C. A. Mey is an important plant species in semi-arid lands in Iran. New approaches are required to determine the distribution of this plant species. For this reason, geographical distributions of Eurotia ceratoides were assessed using three different models including: Multiple Discriminant Analysis (MDA), Ecological Niche Factor Analysis (ENFA) and Logistic Regression […]

Original Article
Identification of Invasive Species Using Remote Sensing and Vegetation Indices, (Case Study: Vazroud Rangelands, Iran)

Biological invasions form a major threat to the provision of ecosystems products and services and can affect ecosystems across a wide spectrum of bioclimatic conditions. Therefore, it is important to systematically monitor the spread of species over broad regions. It has long been recognized that remote sensing and geographical information system could contribute to this […]

Original Article
Evaluation of Seeds and Pods Variation of 5 Annual Medic Medicago Spp.

Medicago spp. is the most important forage crop in many regions of the world. Annual medics have distinct advantages over perennial Medicago. These species have faster growth rate in cultivation year, higher crude protein percentage, tolerance to pests and more vigorous seedlings. Morphological and physical aspects of pod and seeds of annual medics play a […]

Original Article
Desertification Evaluation Using IMDPA Model (Case Study: Taraz Nahid, Saveh, Iran)

Several studies have been performed to evaluate the desertification in Iran and other countries which led to present national and regional models. One of them is IMDPA model. This model was used as a case study in Taraz Nahid, Saveh, Iran. In this study, five factors including climate, soil, vegetation, irrigation, and socioeconomic ones were […]