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)
Prediction of current and future range of Bromus tomentellus in southern Alborz rangeland habitats, Qazvin province

Javad Motamedi; Morteza Khodagholi

Volume 75, Issue 2 , September 2022, , Pages 319-332


  Climate change has been a serious issue in the last two decades, and many studies have focused on its various aspects. In the present study, the effect of climate change on the distribution of Bromus tomentellus was investigated. To do this, 19 bioclimatic variables and three physiographic variables ...  Read More

Economic evaluation of medicinal plants exploitation, Aliabad Mosiri rangelands, Koohrang Bakhtiari

elham fakhimi; Javad Motamedi; Zeinab Gholipour; Ezat allah Soleimani; Shahbaz Shamsoddini

Volume 74, Issue 3 , December 2021, , Pages 633-647


  Knowledge of medicinal plants and economic evaluation of their use is one of the basic requirements for the preparation of multi-purpose rangeland plans. The aim of this study was to estimate the economic indicators of the use of medicinal plants used in Aliabad Mosiri summer rangeland, located in Koohrang ...  Read More

weqRelationship between carbon storage of Astragalus brachyanus species with plant characteristics, habitat characteristics and rangeland management, Rajan, West Azerbaijan

Javad Motamedi; Shookofeh Ebrahimi; Esmaeil Sheidai Karkaj

Volume 73, Issue 2 , September 2020, , Pages 423-438


  Estimation of carbon storage is one of the essential requirements for evaluating rangeland ecosystem services and economic evaluation of carbon storage in rangeland plans. Plant performance in carbon storage is a function of plant characteristics, environmental and management factors. Therefore, the ...  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

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

Out Ranking Analysis of Susceptible Range land to Degradation in Noshan Watershed, West Azerbaijan Province), Iran

mahshid souri; mina gayeb; Javad Motamedi

Volume 71, Issue 2 , September 2018, , Pages 393-404


  Rangelands, using a variety of renewable natural resources are as well as economic value, in terms of effects on soil and water conservation that are very important. This study was conducted in Nushan West Azerbaijan province. Determining the susceptible areas of rangeland to degradation done by out ...  Read More

Role of Livestock Management on Vegetation Properties in Summer Rangelands of Chahr Bagh, Golestan

esmaeil sheida karkaj; javad motamedi; fateme alilu; hamid sirusi

Volume 69, Issue 4 , March 2017, , Pages 949-961


  Grazing management is one of the basic elements in managing rangeland ecosystems. Proper use of grazing lands in order to achieve optimal efficiency and maintain the sustainability of rangeland ecosystems is the purpose of grazing management. In order to evaluate the response of vegetation to grazing ...  Read More

Effect of vegetation patches as microhabitat on changing soil properties (Case study: saline rangelands of Tez Kharab in Urmia)

Javad Motamedi; Arezu Alizadeh; Azadeh Alemzadeh Gorji

Volume 68, Issue 1 , June 2015, , Pages 149-158


  Plants change their environment characteristics and especially soil properties while their growth and adaptation, to develop plant communities. In this study effect of halophyte patches from Urmia lack in a vegetation type of Salsola nitraria and Aeluropus littoralis on chemical and physical properties ...  Read More