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)
Investigation of development probability of Dorema ammoniacum in arid rangelands of Southern Khorassan regarding environmental conditions using MAXENT

ِAli Tavili; S. Motahareh Hosseini; Mohammad Jafari; Ali Golkarian

Volume 75, Issue 4 , January 2023, , Pages 591-605


  MAXENT model was used to evaluate the probability of Dorema ammoniacum development in rangelands of Southern Khorassan. Presence data of D. ammoniacum was recorded based on field survey and GPS application. Nine environmental information layers were used to model potential habitat of the understudy species. ...  Read More

Comparison of outlier detection methods and their impact on rangeland measurement and Assessment studies

Moselm Rostampour

Volume 75, Issue 4 , January 2023, , Pages 639-660


  This study compared of univariate outlier detection methods among vegetation data in a study of the effect of grazing intensity in the rangelands of arid regions. For this purpose, after measuring the vegetation cover in the rangeland and before the statistical analysis, the presence of outlier data ...  Read More

Mineral-chemical compounds, digestibility and buffering capacity of Carthamus oxyacantha, Echinops ilicifolius, Silybum marianum, and Eremurus luteus

Mohsen Kazemi; Elias Ibrahimi Khorram Abadi

Volume 73, Issue 3 , December 2020, , Pages 555-570


  Khorasan Razavi province has several rangeland species that their nutritive value is still unknown for the animal husbandman. Hence, this experiment was conducted to determine the nutritional potential of some range species containing Carthamus oxyacantha, Echinops ilicifolius, Silybum marianum, and ...  Read More

Comparison of distance-based methods of density estimation of Astragalus verus Olivier and Astragalus albispinus Sirj. & Bornm. (Case study: Steppe Rangeland of Marjan, Chaharmahal-Va-Bakhtiari)

Hamid Jamali; Ataollah Ebrahimi; Elham Ghesareh Ardestani; Fatemeh Pordel

Volume 72, Issue 4 , March 2020, , Pages 926-940


  Density is an important indicator of vegetation evaluation, which several methods have been developed for its assessment, but their accuracy is concerned. To reveal accuracy of each methods, a study site of 32000-m2 in the steppe rangeland of Marjan, Boroujen was selected and divided into eight macroplots ...  Read More

Investigation and comparison of soil nutrients under different land uses and crop patterns (Case Study: Eshtehard)

Shima Javadi; Gholamreza Zehtabian; Mohammad Jafari; Hassan Khosravi; Azam Abolhasani

Volume 72, Issue 4 , March 2020, , Pages 941-950


  The reduction of soil quality and health due to the lack of proper management or land use change in arid and semi-arid regions of Iran has become a major challenge, which affects the nutritional properties of the soil. Regarding to the importance of nutrients in plant growth, the aim of this study was ...  Read More

Assessing the limitations and abilities of using the rangelands of Kermanshah province

hamid barghi; Bahman Shafiei; ahmad hajarian

Volume 72, Issue 3 , December 2019, , Pages 643-656


  The present study was conducted using analytical-descriptive methods with the aim of investigating the limitations and abilities of using the rangelands of Kermanshah province by Dehyar using AHP and SWOT models. The statistical population consisted of experts from the Natural Resources Bureau of 14 ...  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 effect of different intensities of grazing on soil chemical properties

Bakhtiar Fattahi; Mohammad Jafari; Soheila Aghabeigi Amin; mahdieh salehi; ayoub karimi; Azad Karami

Volume 70, Issue 4 , January 2018, , Pages 941-951


  Abstract This study aimed to investigate the effect of different intensities of grazing on soil chemical properties on Gonbad paired basins-Hamadan. The objective of this research was to characterize the impact of sheep grazing intensity on soil chemical behavior on mountainous in Hamadan rangelands ...  Read More

Establishing the appropriate model of height-weight relationship of two key species of Dactylis glomerata and Bromus tomentosus to estimate utilization of Javaherdehs’ rangeland of Ramsar

mahdie mahmoodi; Ataollah Ebrahimi; Mohammad Hasan Jouri; pejman tahmasebi

Volume 70, Issue 4 , January 2018, , Pages 991-1003


  The evaluation of utilization of key species is cornerstone of decision-making in rangeland management. Measuring utilization is essential for regulating grazing intensity, grazing pressure and distribution of animals. utilization of two key grass species of Dactylis glomerata and Bromus tomentosus, ...  Read More

Investigation of cultivation suitable seasons and methods Vicia subvillosa in Mazandaran Telmadare area

ّFarhad Azhir; Mohammad Fayaz

Volume 70, Issue 3 , December 2017, , Pages 534-550


  It was necessary to detect Technical knowledge for advising culturing various plant species which share in production forage rangelands depend on region condition. Vicia subvillosa species seeds were collected from ranges around road direction Azadshahr city toward Shahrood city, on 1900 meter height ...  Read More

Study on the effect of Livestock Grazing on Plant Species Diversity Components in Semi-arid regions

Reza midipour; Reza Erfanzadeh; Marzban Faramarzi

Volume 70, Issue 3 , December 2017, , Pages 723-734


  Intensive livestock grazing is one of the most important destructive factors in rangelands that leads to decrease of diversity and causes disappearance of sensitive plants. On the other hand, considering the scales in assessment of diversity is very importance to study the variability of plant diversity ...  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

Studying phenology stages Bromus tomentellus Boiss. Species in different years in Kordan rangelands of Alborz province

Ghader Karimi; Hasan Yeganeh; hasan barati

Volume 69, Issue 3 , December 2016, , Pages 699-709


  Rangelands have been composed of different plant species that emergence of phenological stages in every one of them will be influenced by environmental and genetic factors. In order to exploit the time and achieve acceptable performance in each plant species, it is necessary that the emergence of biological ...  Read More

Drought Monitoring Using Vegetation Index (NDVI) (Case study: Rangelands of Ilam Province)

Leila Fazel Dehkordi; Hossein Azarnivand; Mohammad Ali Zare Chahouki; Farhad Mahmoudi Kohan; Shahram Khalighi Sigaroudi

Volume 69, Issue 1 , June 2016, , Pages 141-154


  To identify an appropriate index for monitoring and evaluation of drought, rainfall data obtainedfrom meteorological stations of Ilam Province from 2000 to 2011 and MODIS satellite images with16-day intervals were collected and processed. The Standardized Precipitation Index (SPI) wascalculated based ...  Read More

Applying Landscape Function Analysis Method in Order to Assess the Ecological Function of Plant Patches in Rangeland Management Treatments (Pilot: Kojour Noshahr Rangelands)

Sana Mohebbi; Ghasem Ali Dianati Tilaki; Mehdi Abedi

Volume 69, Issue 1 , June 2016, , Pages 187-199


  Assessment of rangeland ecological characteristics have been proposed as an important factor inreviewing and monitoring the effects of various management measures and it demands differenttools for quantifying and offering a reasonable criterion for comparison of different managements.For this purpose, ...  Read More

Vegetation Changes Procedure Inside and Outside of Exclosure in Tanglaybid Rangelands of Yazd Province (2000-2005)

AliB. Mirgalili; MohammadR. Fazelpoor; fariba zakizadeh

Volume 69, Issue 1 , June 2016, , Pages 229-244


  Grazing animals affect rangeland vegetation structure and function both directly and indirectly.These effects can be assessed in exclosures. In this study, vegetation changes inside and outside ofexclosures of Tanglaybid rangelands, located in south-western part of Yazd province, have beeninvestigated. ...  Read More

Capability of hillslope version of WEPP model in prediction of runoff and soil erosion dynamic in different type of semi-arid rangeland

yahya Parvizi; mohammad gheitury; Mosieb Heshmati

Volume 67, Issue 4 , May 2015, , Pages 501-513


  The WEPP physically model is able to dynamically simulate runoff and soil erosion using physical concepts of erosion and hydraulic of overland flow science considering plant growth, residue decomposition, winter process. Determination of the capability of this model in runoff and erosion estimation in ...  Read More

Autecology of Zygophyllum atriplicoides in the rangelands of Northern Khorasan province

M. Jankju; F. Noedoost

Volume 65, Issue 4 , March 2013, , Pages 483-494


  Ecological studies on range plants enhance our knowledge on the rangeland ecosystems which are useful for their planning and management.  By doing field and laboratory experiments during 2008-2009, ecological conditions were studied in the main habitats of Z. atriplicoides in the rural and winter ...  Read More

The Most Appropirate Quadrate Size and Shape for Determing Some Characteristics of a Semi-steppic Rangeland

Pejman Tahmasebi; Ataollah Ebrahimi; Nabiollah Yarali

Volume 65, Issue 2 , September 2012, , Pages 203-216


  هنگاهی می‌توان قضاوت درستی در ارزیابی پوشش گیاهی مرتع داشت که طرح آماربرداری انتخاب شده باشد. از این‌رو تعیین یک اندازه و شکل قطعه مناسب که بتواند دقت و صحت مناسبی در ...  Read More

Income of Eremurus (Eremurus olgae) and Forage Production in the Khazangah Rangelands of Makoo

S.M Heshmatol Vaezin; S Ghanbari; ALI Tavili

Volume 63, Issue 2 , September 2010, , Pages 183-14

  Eremurus and forage are main by-products in the Khazangah rangelands of Makoo region. Eremurus is harvested and used by local people in a period of 30 days during the spring in this region. At this study, Eremurus and forage have been evaluated financially and the data were obtained through field work ...  Read More

Determination of Optimal Ranch Size Based on Economic Efficiency and Social Sustainability(Case study: Rangelands of Urmiya)

hassan Miladfar; hossen Barani; ramtin Julaie; parviz Riyazifar

Volume 63, Issue 1 , June 2010, , Pages 105-14

  The establishment of rational balance between number of users and productivity capacity of rangelands and suitable number of the folk in the ranch units is one of the necessities of the sustainable management of rangelands. Also growth and efficiency of the productive factor would lead to the economical ...  Read More