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 66 (2013)
Volume 65 (2012)
Volume 63 (2010)
Volume 62 (2009)

Comparing Soil Physicochemical Characteristics in Different Land Uses Gachsaran and Aghajari Formations

H. Saidian; H. R. Moradi; F. Tarnian

Volume 63, Issue 1 , June 2010, , Pages 1-12

  Using of different systems of soil plough after changing unconsciously and non-scientific of land use, other soil physical and chemical characteristics affected. This fact, especially in marginal lands and mountainous regions is more visible. This research compared with the purpose of studying land use ...  Read More

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

Developing Models of Daily Sediment Yield Estimation for Kojur Forest Watershed

Zakariya Asadolahi; Mahdi Vafakhah; Seyed Hamidreza Sadeghi

Volume 67, Issue 1 , May 2014, , Pages 1-15


  Todays, dynamic models are supposed as the most important tools in erosion and sediment phenomenadue to their complexities and existence of many affecting factors. Towards, the present study wasconducted in the Kojour watershed for daily sediment modeling using daily rainfall, discharge andsediment during ...  Read More

Wastewater effects on some soil physical and chemical properties in rangeland restoration projects (Case study: East Isfahan)

Hossein Bashari; Mostafa Tarkesh; Tayebeh Shahabadi; Mohammad Reza Mosadeghi

Volume 68, Issue 1 , June 2015, , Pages 1-13


  Abstract This study aimed to investigate the effects of urban wastewater on some soil physical and chemical properties in Segzi, East Isfahan. Six sites were selected considering the planted species (Haloxylon persicum and Nitraria schoberi) and irrigation types (control or no irrigation, water logged ...  Read More

Evaluation of Some Morphological, Phytochemical and Ecological Characteristics of Different Populations of Satureja rechingeri Jamzad

Hassan Esmaeili; Javad Hadian; Mohammad Hossein Mirjalili; Hassan Rezadoost

Volume 69, Issue 1 , June 2016, , Pages 1-12


  Satureja rechingeri, an endemic species from Iran, is distributed in narrow habitats in Ilam andKhuzestan provinces. This study was conducted in 2013 and some morphological characteristics, oilcontent, rosmarinic acid content and ecological features of different populations of S. rechingeriwere studied. ...  Read More

Landslide Hazard Zonation Using SMCE Method and AHP Technic (Case Study: Hafshejan Watershed, Chaharmahal-o-Bakhtiari)

Payam Ebrahimi; mehdi Eslah; Maryam Azarakhshi

Volume 70, Issue 1 , June 2017, , Pages 1-18


  One kind of the mass wasting which takes much toll and leaves much damage in the world and many locations in Iran is landslide. Landslide susceptibility mapping allows recognizing susceptible areas to be considered in environmental programs. Present research is aimed at Landslide susceptibility mapping ...  Read More

The roles of beekeeping in increasing the income of range manager (Case Study: Zhiwar village in Kurdistan)

nayefe adak; Hossein Arzani; Sayed Mahdi Heshmatol vaezin

Volume 71, Issue 1 , June 2018, , Pages 1-10


  Beekeeping is one of the agricultural production activities that can create employment with a small amount of investment. Beekeeping can be heeded as one approach to increase stakeholder’s income of rangelands, balance between livestock and rangeland resources, enhancing the economic status of ...  Read More

The effects of vegetation cover on runoff and sediment yield in plot scale of Kheyrud Forest Watershed

maryam etehadi abari; a a; a a; meghdad jur gholami

Volume 72, Issue 1 , June 2019, , Pages 1-14


  Land cover is also important factor for protecting the soil against erosion. A fully forested watershed experiences relatively little surface erosion, but timber harvest alters the canopy cover, exposing the soil to water and wind. Forests provide the maximum amount of soil protection. Reduction of vegetative ...  Read More

Prediction of Environmental Health by Using Gene Expression and Bayesian Network Techniques in Taleghan Watershed

payam ebrahimi; Ali Salajegheh; Mohsen Mohseni Saravi; Arash Malekian; Amir Sadoddin

Volume 73, Issue 1 , June 2020, , Pages 1-18


  One of the important criteria for quality of life is the health of the watershed. Researches in this field show that in Iran, a model for assessing the health of the watershed is not prepared. So, In this study, using the statistical data of 27 years (1990-2016) 5 environmental variables in the Taleghan ...  Read More

Flooding of Lorestan region with stamp strategies led by crisis management

faraz estelaji; alireza abasi semnani; ehsan alipouri

Volume 74, Issue 1 , June 2021, , Pages 1-11


  Evaluation and planning of crisis management with natural disaster approach includes many components. In this regard, one of the basic pillars of construction management is based on resilience. With this view, attention to planning and research priorities of our country shows the present and future. ...  Read More

Comparison of Regional Flood Analysis Methods in Central Alborz Region

v Payravand; ali Salajegheh; mohamad Mahdavi; mohamad ali Zare Chahouki

Volume 63, Issue 2 , September 2010, , Pages 131-18

  One of the most appropriate approaches for flood forecasting is using peak discharge data of hydrometric stations in each region. However, lack of such stations or short duration of data in most parts of the country, make it necessary to use some alternative methods in order to estimate the flood discharge ...  Read More

Assesment of the Standard Index of Annual Precipitation,Standardized Precipitation Index and Palmer Drought Severity Index in the Rangelands of Qom Province

Maryam Azarakhshi; Behnoush Farokhzadeh; Mohammad Mahdavi; Hossein Arzani; Hassan Ahmadi

Volume 65, Issue 2 , September 2012, , Pages 159-174


  Iran is located in dry belt of the earth and always involved with drought in different sections. Drought has already caused many losses to natural plant cover, agriculture and human society. For drought monitoring, we can use some drought indecies. In this research, the Standard Index of Annual Precipitation)SIAP),Sandardized ...  Read More

Investigation of possibility of landslide number and area estimation using determination area and volume frequency distribution (Case study: Mazandaran providence)

Ebrahim Omidvar; Ataollah Kavian

Volume 67, Issue 2 , July 2014, , Pages 159-175


  Landslides are the major natural hazard, causing significant damage to properties, lives and engineering projects in all mountainous areas in the world. In order to estimate the role of the landslides in erosion processes and evaluation of their risks, it is necessary to quantify landslides. This quantifying ...  Read More

Comparative study of transpiration and dry matter production in rangeland species of Medicago sativa, Trifolium repens, Sanguisorba minor and Trifolium pratens

S. Ebrahimi; S.H Sadeghi

Volume 62, Issue 2 , October 2009, , Pages 167-173

  Recognition of rangeland species with the maximum efficiency and the minimum water usage is very important, since major parts of rangelands in Iran are located in arid and semiarid climate. In addition, the rangeland improvement and management on the basis of transpiration rate of rangeland species in ...  Read More

Effects of water stress on germination indices in four genotypes of rangeland species Bromus tomentellus

Mojtaba Akhavan Armaki; Hossein Azarnavand; Mohammad Hasan Asareh; Ali Ashraf Jafari; Ali Tavili

Volume 66, Issue 2 , July 2013, , Pages 167-177


  Environmental stress especially drought is one of the most important factors to reduce and disturbance in different stages of floral growth especially sprouting in dry and semi-dry lands of Iran. For this purpose a factorial essay executed in accidentally manner with four iterations in vitro condition. ...  Read More

Comparison the effect of three types of polymer mulches and plant mulch on some physical properties of soil

Nadia Kamali; Hossein Azarnivand; Shervin Ahmadi; Mohammad Ali Zare Chahouki; Ahmad Sadeghipour

Volume 75, Issue 2 , September 2022, , Pages 169-179


  This study was conducted to evaluate the effect of polymer mulches and plant mulch on some soil physical properties. For this purpose, effects of synthetic polymer, natural polymer, natural - synthetic polymer, and litter, On some physical properties of soil at two depths (0-5 cm and 5-30 cm) and two ...  Read More

Two Stage Multi Attributes Decision Making to Evaluate the Sustainability of Lake Urmia Restoration Alternatives

ali azarnivand; Mohammad Ebrahim Banihabib

Volume 68, Issue 2 , September 2015, , Pages 197-212


  Owing to the oncoming needs and increasing the population of Lake Urmia Watershed, providing equilibrium  between water supply and demand seems quite challenging and the Lake cannot be successful in meeting its ecological demands in this critical condition. In this unfavorable situation, water resources ...  Read More

Investigation of biopolymer mulch effects on water holding capacity in sand (case study: sand dunes of Kashan)

Mohsen Asadollahi; Mohammad Jafari; vahid sayare; Ali esmaeili; Mohammad Tahmoures

Volume 74, Issue 2 , September 2021, , Pages 233-243


  Wind erosion is one of the most important aspects of land degradation in arid and semi-arid regions, which 20% of land area of the world has been influenced by wind erosion. The wind increases the desertification process by displacing sand dunes. Therefore, the stabilizition and preventing the moving ...  Read More

Identification of Homogenous Watershed Basins for Estimating Soil Erosion and Sediment Yield Applying Different Methods of Cluster Analysis (Case study: North Alborz)

nasim arman; Ali Salajegheh; Sadat Feiznia; Hassan Ahmadi; Jamal Ghoddousi; ali kiani rad

Volume 69, Issue 2 , July 2016, , Pages 261-273


  Identification of homogenous watershed sub basins allows generalization of environmental study results. For this purpose, first available data for 27 selected watersheds in North Alborz regarding 21 variables including physiographic and climatic characteristics was gathered. The most important factors ...  Read More

Investigation of the role of Structural elements on the water resource abundance in the Maharloo Karst region using RS and GIS

sara Edrisnia; Ahmad Pahlevanroy; Alireza Moghadamnia; Aliakbar Nazarisamani; Abas Miri

Volume 70, Issue 2 , August 2017, , Pages 263-275


  In Low rainfall, dry areas such as Iran that surface fresh water resources are limited and this water is exposed to pollution risk, finding and preserving underground water supplies is the best way for removing water needs. In addition, in some parts of Iran, climate and tectonic structure have created ...  Read More

Nutritive Value of Zandi Sheep Diets (Halophyte Plants) Grazing in Abbasabad Desert Rangelands of Qom

A Ahmadi; A Sanadgol

Volume 63, Issue 3 , December 2010, , Pages 277-287

  Desert and marginal lands of playas which are covered with halophyte shrubs, play a great role in supply of forage for livestock as winter rangelands. In this research, plant samples were collected from four palatable halophyte species for Zandi sheep of Qom desert rangelands including Seidlitzia rosmarinus، ...  Read More

Forage Quality of Range Species in the Steppe Rangelands of Changuleh, Ilam Province

Hossein Arzani; Mehdi Moameri; Javad Motamedi; Mashaallah Mohammadpour

Volume 65, Issue 3 , December 2012, , Pages 277-288


  One of the important factors to make a balance between number of grazing livestock and grazing capacity is whether forage contains sufficient energy and protein during grazing period or not. Therefore in this study, forage quality was evaluated for important species in steppe rangelands of Changuleh ...  Read More

Effect of Different Treatments on Sleep Failure and Stimulation of Seed Germination (Atriplex leucoclada Boiss Species)

sahar Aryaeefar; Abolfazl Tahmasebi; Majid Mohammad Esmaeili; Ali Rahemi Karizaki

Volume 71, Issue 2 , September 2018, , Pages 297-305


  Atriplex leucoclada Boiss is one of the most important native species of dry and semi-arid rangelands in Iran which is faced to low germination and seed dormancy. In order to investigate the effective methods of breaking dormancy of this species, an experiment was conducted in a completely randomized ...  Read More

Development of near infrared reflectance spectroscopy (NIRS) calibration model to estimate the forage quality of shrub species

Hossein Arzani; vahideh Abdollahi; Javad Motamedi; Majid Akhshi

Volume 72, Issue 2 , September 2019, , Pages 311-327


  Nowadays, most attention is focused on physical and non-destructive methods, such as NIRS, to measure the chemical composition of rangeland species. Therefore, the purpose of this study is to provide calibration models for Infrared NIRS to estimate the forage quality of shrub species, so that in addition ...  Read More

Environmental capability evaluation of land to develop range management plan (Case study: parcel A of Gheshlagh dam watershed)

Fazlolah Ahmadi Mirghaed; Babak Souri; Mahtab Pir Bavaghar

Volume 66, Issue 3 , November 2013, , Pages 321-334


  Rangelands are among the natural resources which have a considerable effect on environment and man’s life. Iranian rangelands mostly have poor condition and exhausted by intensive over grazing, should be utilized according to their ecological capability and land suitability. The main objective ...  Read More