Volume 19, Issue 1
مرور بر اساس
ارسال های اخیر
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Crude Protein Content does not Determine the Preference Value of Plant Species for the Raini Goat (Capra aegagrus hircus L.) in Dry Rangelands
(University of Tehran, 2014-01-01)In order to estimate the relationship between forage quality and preference value of plant species for Raini goats(Capra aegagrus hircus), a field study was carried out on Raini goats' grazing behavior in some desert ...
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Wildlife and Livestock Grazing Effects on Some Physical and Chemical Soil Properties (Case Study: Kalmand-Bahadoran Arid Rangelands of Yazd Province)
(University of Tehran, 2014-01-01)Owing to the importance and necessity of identifying soil properties in arid rangeland management, and the variableeffects of different kinds of herbivores on soil, this study compares some of the physical and chemical ...
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Zoning of groundwater contaminated by Nitrate using geostatistics method (case study: Bahabad plain, Yazd, Iran)
(University of Tehran, 2014-01-01)Groundwater quality management is one of the most important issues in many arid and semi-arid regions, including Iran.Nitrate (NO3-) is one of the most common anions contaminating groundwater. This study aimed ...
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Comparison of M5 Model Tree and Artificial Neural Network for Estimating Potential Evapotranspiration in Semi-arid Climates
(University of Tehran, 2014-01-01)Evaporation is a fundamental parameter in the hydrological cycle. This study examines the performance of M5model tree and artificial neural network (ANN) models in estimating potential evapotranspiration calculated ...
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Hazard Assessment of Desertification as a Result of Soil and Water Recourse Degradation in Kashan Region, Iran
(University of Tehran, 2014-01-01)Desertification in arid, semi-arid and dry sub-humid regions is a global environmental problem. Considering theincreasing importance of desertification and its complexity, the necessity of giving attention to ...
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Effect of EDTA and DTPA on Phytoremediation of Pb-Zn Contaminated Soils by Eucalyptus camaldulensis Dehnh and Effect on Treatment Time
(University of Tehran, 2014-01-01)In this research a pot experiment was carried out to investigate the remediation ability of E. camaldulensis Dehnh inLead-Zinc (Pb-Zn) contaminated soil. The study also investigated the effects of ethylenediaminetetraacetic ...
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Evaluation of co-kriging different methods for rainfall estimation in arid region (Central Kavir basin in Iran)
(University of Tehran, 2014-01-01)Rainfall is considered a highly valuable climatologic resource, particularly in arid regions. As one of the primaryinputs that drive watershed dynamics, rainfall has been shown to be crucial for accurate distributed ...
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Halopriming and Hydropriming Treatments to Overcome Salt and Drought Stress at Germination Stage of Corn (Zea mays L.)
(University of Tehran, 2014-01-01)To study the effects of halopriming and hydropriming in overcoming salt and drought stress in corn (Zea mays L.),two experiments were separately conducted at Shahrood University of Technology. Seed treatments consisted ...
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Temporal-Spatial Variability of the Severest Dry Spells in the North-West of Iran
(University of Tehran, 2014-01-01)The variability of temperature and precipitation is regarded as one of the main characteristics of the climate.Precipitation and its results, especially results such as droughts, vary on different temporal and spatial ...
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Sand Movement patterns in the south of Iran
(University of Tehran, 2014-01-01)Wind regime data from the Jask meteorological station from a 20-year statistical period (1985-2005) was analyzedusing the Fryberger method to investigate sand drift potential (DP) in this area. The resultant drift ...
