Volume 77 (2024)
Volume 76 (2023)
Volume 75 (2022)
Volume 74 (2021)
Volume 73 (2020)
Volume 72 (2019)
Volume 71 (2018)
Volume 70 (2017)
Volume 69 (2016)
Volume 68 (2015)
Volume 67 (2014)
Volume 65 (2012)
Volume 63 (2010)
Volume 62 (2009)
An Investigation on Trends of Annual and Seasonal Rainfall and Temperature in Different Climatologically Regions of Iran

Maryam Azarakhshi; Jalil Farzadmehr; Mahdi Eslah; Hossein Sahabi

Volume 66, Issue 1 , April 2013, Pages 1-16


  Climate change is defined as long term and irreversible changes in the climatic behaviorof a region. Many studies have been conducted in different regions of the world on climatechange. The results of these studies show considerable changes in climatic factors especiallyin precipitation and temperature. ...  Read More

Estimation of Agricultural Water Demand of Pomegranate in Charkhab Village of Yazd

Iman Islami; Ali Akbar Mehrabi; Gholam Reza Zehtabian; Mehdi Ghorbani

Volume 66, Issue 1 , April 2013, Pages 17-26


  Agriculture sector is the main consumer of water in the world. In productive sectors likeagriculture, water is considered as a valuable mediatory commodity or production input.Demand for agriculture water comes from consumers› (agriculture products›) behavior. Thisstudy aims to evaluate ...  Read More

Assessment of Present Status of Desertification and Modifying the MEDALUS Model In Segzi Plain of Isfahan

Leila Bakhshandehmehr; Saeid Soltani; Adel Sepehr

Volume 66, Issue 1 , April 2013, Pages 27-41


  According to the UNCCD definition, “Desertification” is land degradation in arid, semi-aridand dry sub-humid areas resulting from various factors, including climatic variations andhuman activities. It has been recognized as a major economic, social, and environmentalproblem in many countries ...  Read More

Relation between Dominant Watershed Processes and River Morphological Changes )Case Study: Firoze-shahjoob River(

Mahbobe Hajibigloo; Mohammadtaghi Dastorani; Abbas Ali Ghezelsofloo; Mohammad Reza Ekhtesasi

Volume 66, Issue 1 , April 2013, Pages 43-58


  The morphology of a river system is affected by dominant watershed processes includingclimatic, hydrologic, hydraulic, erosion and sedimentation, geological and topographicalcharacteristics of the river environment and watershed. Understanding the interaction betweenthe river form and dominant watershed ...  Read More

Relation between Dominant Watershed Processes and River Morphological Changes )Case Study: Firoze-shahjoob River(

Sayed Hamzeh Hosseini; Reza Erfanzadeh; Paria Kamali

Volume 66, Issue 1 , April 2013, Pages 59-72


  The study on the livestock dietary and preference value of different species are essential forrangeland management. Therefore, this study was carried out to evaluate the preference indicesof 14 plant species in Kahnuj, during two different phenological stages (vegetative growth andafter-seed-dispersal). ...  Read More

Spatial Prioritization of Flood Mitigation and Soil Erosion Control Practices Using Fuzzy Logic Approach )Case Study: Foorg Watershed(

Morteza Dehghani; Hosein Ghasemi; Arash Malekian

Volume 66, Issue 1 , April 2013, Pages 73-88


  Nowadays, watershed management practices are undertaken based on selective criteria and/or a specific purpose such as a decrease in flood risk, soil erosion and the like. In this respect,fuzzy logic has the ability to manage a wide range of options for decision making. This researchaimed to use the fuzzy ...  Read More

Generating a Vegetation Map in Mountainous Region of Sabzkouh Using a Digital Elevation Model

Shahrebanoo Rahmani; Ataollah Ebrahimi; Alireza Davoudian

Volume 66, Issue 1 , April 2013, Pages 89-109


  The analysis of the relationship between spatial distribution of environmental factors andvegetation types is crucial for understanding mountainous ecosystems. In this research aGIS based approach was used to produce a vegetation map for Sabzkouh protected area inthe Chaharmahal-Va-Bakhtiari province. ...  Read More

Investigation on Relationship between Palatability and Forage Quality in some of Rangeland Plants )Case Study: Karsanak rangelands of Chaharmahal-va-Bakhtiari Province(

Valiollah Raufirad; Ataollah Ebrahimi; Hossein Arzani; Zahra Shojaei Asadeiye

Volume 66, Issue 1 , April 2013, Pages 111-120


  Palatability includes plants physical and chemical property that encourages an animal selecta plant for grazing. This study is an attempt for intruducing an indicator for determining thepalatability of rangeland plants. To do this, the relationship between palatability and foragequality of rangeland ...  Read More

Determination of the most appropriate level of utilization authorized of Artemisia sieberi in steppic site )Case study: dehno- bardsir, Kerman province(

Mohammad Sharifi Yazdi; Farhang Ghasriani; Mina Bayat

Volume 66, Issue 1 , April 2013, Pages 121-129


  The present research was done in steppic rangelands of Dehno, Kerman province to study theeffects of different harvesting intensities of Artemisia sieberi applying simulation method. Theexperiment was conducted using split plots in a completely randomized experimental designof ten replications to find ...  Read More

Spatial Variation of Bedload Shape Characteristic towards Downstream )Case Study: Ghalesar Watershed, Sari(

Ataolah Kavian; Fatemeh Adineh; Gorban Vahabzadeh; Abdolvahed Khaledi Darvishan

Volume 66, Issue 1 , April 2013, Pages 131-144


  Investigating downstream changes in bed load shape can be useful to detect watershedhydrological processes and it is very important to design hydraulic structures and to managecapacity of large storage dams, properly. Regarding to doing of enforcement studies, thisresearch was conducted in Qalesar River ...  Read More

Changes of Vegetation Cover under Drought and Wet Periods in the Flood Spreading Site and Control Rangeland of HeratYazd Province

Alibeman Mirjalili; Mohammad Musaei Sanjeraei; Shahabodin Zarezadeh Mehrizi

Volume 66, Issue 1 , April 2013, Pages 145-156


  A better understanding of rangeland vegetation cover and its variation in different years basedon wetness and droughtiness fluctuations is a great importance. Economical priority setting ofrangelands is based on variations in rainfall and drought patterns, because it yields to bettercharacterization ...  Read More

Effect of Land-use and Precipitation Changes on Sediment Yield )Case Study: Taleghan Watershed(

Aliakbar Nazari Samani; Hesam Heravi; Mehdi Panahi; Masoud Jafari Shalamzari

Volume 66, Issue 1 , April 2013, Pages 157-165


  Natural landscape alternation is a problem that has been under debate for a long time. Landutilization techniques like agriculture, forest and rangelands, residential and urban are amonginfluential criteria affecting erosion severity and sediment yield in a given region. In this respect,land management ...  Read More