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 66 (2013)
Volume 65 (2012)
Volume 63 (2010)
Volume 62 (2009)
Rangeland management plans and rangeland health (Case Study: Rangelands of Torbat-e-Heydarieh)

Ali Norouzi; iman haghiyan; Esmaeil Sheidai Karkaj

Volume 72, Issue 4 , March 2020, , Pages 1131-1145


  Rangelands as a source of meat, forage, water and soil play a significant role in the country's economy, but the increase in the number of livestock and livestock in the rangelands has eliminated the balance between production and harvest. In this research, the effect of rangeland projects on various ...  Read More

The possibility of forage production and establishment of salt tolerant species in saline and low-yield lands (Case study: Garmsar- Semnan)

Dariush Ghorbanian; Ehsan Zandi esfahan; Heydar Sharafieh; Alireza Eftekhari

Volume 71, Issue 3 , December 2018, , Pages 737-746


  The use of saline and lands low-yield lands for forage production is an important step towards optimal utilization of low quality soil and water resources and supplying livestock forage as well as conservation of soil and water resources. Therefore, this research was aimed to investigate the establishment ...  Read More

The economic valuation of forage production function and utilization of orchid in Targavar grasslands of Urmia

Javad Motamedi; Tayebeh Tofighi azar; Morteza Molaei

Volume 71, Issue 3 , December 2018, , Pages 797-807


  Functions of a natural resource, including rangeland ecosystems, can be divided into four groups of regulatory, habitat, production and information functions. Therefore, in this study, the economic valuation of forage production function and utilization of rhizome orchid were in terms of performance ...  Read More

Assessment of livestock pressure and its effect on desertification hazard, case study ‎area: Miyandehi Feizabad, Khorasan Razavi

zohreh asar; masoud masoudi

Volume 70, Issue 2 , August 2017, , Pages 411-421


  Desertification refers to land degradation in arid, semi-arid, and dry sub-humid region. It is a global environmental problem with political and socio-economic consequences. Land degradation occurs as a result of impoverished vegetation cover that may lead to a progressive and irreversible reduction ...  Read More

Effect of sampling group and life-form on estimation ofrelationship between forage production and canopy cover

Ataollah Ebrahimi

Volume 70, Issue 1 , June 2017, , Pages 19-30


  Canopy cover and forage production have always been two important indicators in rangeland assessment, which sometimes are applied as surrogates of each other. These two indicators are widely used in rangeland studies and have a vital role in evaluation of rangeland structure and functions. Occasionally, ...  Read More

Investigation of production and utilization of Bromus tomentellus Boiss. in Kordan rangeland of Alborz province

Ghader Karimi; hasan Yeganeh; Masoomeh Abassi Khalaki; mehdi moameri; Hadi Afra

Volume 68, Issue 2 , September 2015, , Pages 359-370


  To evaluate the vegetative and productive characteristics and forage utilization by livestock at different stages of Bromus tomentellus Boiss.Phonology, this experiment was carried out during five years in Kordan Rangeland of Alborz province rangelands. So starting the grazing season and livestock entering, ...  Read More

A new approach to economic valuation of the function of forage production of rangelands (Case Study: summer rangelands of Nour-rud Watershed in Mazandaran Province)

Shafagh Rastgar; Ali Darijani; Hossein Barani; Mohammad Ghorbani; Jamshid Ghorbani; Vahed Bordi Sheikh

Volume 66, Issue 3 , November 2013, , Pages 347-357


  Forage is the main product of rangelands. So, determining its economic value as one of the main important nonmonetary functions can help managers to improve planning and optimal utilization management of rangelands. The main purpose of this study is to estimate the economic valuation of the forage of ...  Read More

Investigation of vegetation changes under precipitation in semi-steppic rangelands of Ardebil province (Case study: Arshagh Rangeland Research Site)

J. Sharifi; M. Akbarzadeh

Volume 65, Issue 4 , March 2013, , Pages 507-516


  A major part of the rangelands of Iran are located in arid and semi-arid regions. In this climate, rainfall fluctuation is an important factor which affects vegetation and forage production. In dry years that rainfall decreases, surface vegetation and forage production is damaged. This study was conducted ...  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