Volume 31 (2024)
Volume 30 (2023)
Volume 29 (2022)
Volume 28 (2021)
Volume 27 (2020)
Volume 9 (2019)
Volume 8 (2019)
Volume 26 (2019)
Volume 12 (2019)
Volume 10 (2019)
Volume 25 (2018)
Volume 24 (2017)
Volume 23 (2016)
Volume 21 (2014)
Volume 20 (2013)
Volume 19 (2013)
Volume 18 (2011)
Volume 17 (2010)
Volume 16 (2009)
Volume 15 (2008)
Volume 14 (2007)
Volume 13 (2006)
Volume 7 (2000)
Volume 6 (1999)
Volume 11 ()
Forage quality of five main forage species at different growth stages in rangelands of zagheh region of Lorestan

hosein arzani; Javad Moetamedi; Firoozeh Moghimi nejad; reza siahmansour

Volume 22, Issue 4 , March 2015, Pages 607-614

Abstract
  In the present study, the forage quality of five range species including Astragalus remotijugus, Hordeum bulbosum, Onobrychis melanotricha, Phlomis persica, and Picris sterigosa were evaluated in 2010. At each phenological stage, three samples and for each sample, at least five species were cut randomly. ...  Read More

Monitoring of Vegetation Change in the growing season by using satellite imagery and its relationship with climatic factors (Case Study :Alborz Province)

Morteza Hoseini |Tavasol; Hosein arzani; manoocher farajzadeh asl; Mohamad Jafari; sasan babayee kafaki; asghar kohandel

Volume 22, Issue 4 , March 2015, Pages 615-624

Abstract
  This research was aimed to monitor the vegetation changes in the rangelands of Alborz province during 2000-2011 using satellite images as well as determining its relationship with climatic factors including average rainfall, temperature, and relative humidity. According to the results, the highest NDVI ...  Read More

Study presentation feasibility of statistical models for estimating rangland plants species of Artemisia aucheri and Agropyron trichophorum (Case Study: Dizaj Batchi and Ghotor Ranglands of Khoy)

Fateme Aliloo; Farshad Keyvan behjou; javad moetamedi

Volume 22, Issue 4 , March 2015, Pages 625-638

Abstract
  The current study was aimed to investigate the relationship between the production of Artemisia aucheri and Agropyron trichophorum and their morphological features and providing regression models. For this purpose, three rangeland sites were selected in Dizaj Batchi and Ghotor Ranglands of Khoy. Stratified ...  Read More

Investigation effect of depth seeding and rain water storage on establishment of 5 rangelands species in Highlands of Kashan

Morteza abtahi

Volume 22, Issue 4 , March 2015, Pages 639-647

Abstract
  This research was aimed to investigate the effect of planting depth and rainwater storage on the establishment of range species including Prangos uloptera- Prangos latiloba-Ferula ovina- Astragalus eriopodus -Onobrychis melanotricha. The study was conducted in autumn using a split plot arrangement in ...  Read More

Study on the ability of seed germination and combined methods in the emersion of functional groups of soil seed bank (case study: Vaz watershed rangeland, Noor)

reza erfanzadeh; Azade Alamzadeh Gorji; seyed Hasan zali

Volume 22, Issue 4 , March 2015, Pages 648-657

Abstract
  Plant diversity and composition conservation is an important issue in ecosystem management. Therefore, management recommendations could be offered after a precise evaluation of diversity and composition. This study aimed to compare the results of two different methods namely seed germination and combined ...  Read More

Crescent pond's effect on Some Parameters of Vegetation Cover and Soil in Saravan Rangelands (Sistan and Baluchestan Province)

Vahideh abdollahi; Farhad zolfaghari; Mitra Jabari; Mohamad rafie dehghan

Volume 22, Issue 4 , March 2015, Pages 658-672

Abstract
  This research was aimed to investigate the effects of crescent pond structure on soil and vegetation properties in the Saravan rangelands. For this purpose, two treatments including crescent pond and control treatment were determined. For each treatment, the density, canopy cover percentage, and litter ...  Read More

Investigation of Grazing Rate Influences on Soil Qualitative Indices (Case study: Semi-Arid Rangelands of Cheshmeh-Anjir, Fars Province)

seyed hamidreza habibian; gholamali heshmati

Volume 22, Issue 4 , March 2015, Pages 673-682

Abstract
  Different grazing intensities will cause substantial changes in ecosystem function. In order to evaluate the effectiveness of existing management, monitoring of ecosystem structure and function is essential. This research was aimed to investigate the effects of different grazing intensities on surface ...  Read More

Investigation on yield and quality traits of three varieties of Elymus hispidus in different phenological stages under dryland farming

majid dashti; Ali ashraf Jafari; hamed zarif ketabi; farideh saghafi khadem

Volume 22, Issue 4 , March 2015, Pages 683-694

Abstract
  In order to determine the effects of phenological stages and the best harvesting time for yield and quality traits in Elymus hispidus (var. hispidus var. podperae var.villosus), an experiment was conducted in Cisab Research Station, Northern Khorasan, Iran during 2005-2006. The seeds of varieties were ...  Read More

Source finding of sediments around Gavkhuni using geochemical method

sadat feiz nia; Faranak pourtayeb; hasan ahmadi; kourosh shirani

Volume 22, Issue 4 , March 2015, Pages 695-710

Abstract
  In determining the source of sediments in the basins, fingerprinting technique has been taken into consideration by researchers mainly because of the many problems in applying traditional methods. In the above-mentioned method, the share of source areas in sediment production is determined using the ...  Read More

Analysis of spatial and temporal trends of groundwater index (GRI) (Case study: Yazd-Ardakan plain)

hasan khosravi; Esamaeel Heydari; Gholamreza Zehtabian; Javad Bazrafshan

Volume 22, Issue 4 , March 2015, Pages 711-720

Abstract
  Yazd-Ardakan plain has been faced with significant reduction of groundwater level in recent years. Therefore, it is expected that studying hydro-geological drought can help the right management of this aquifer. Groundwater Resources Index was used to study hydro-geological drought in Yazd-Ardakan plain. ...  Read More

A survey of ecological characteristics of Capparis spinosa L. in range ecosystems of Moghan region in Ardabil province

vahid Izadi Khajeloo; younes asri; jaber sharifi nayaragh

Volume 22, Issue 4 , March 2015, Pages 721-729

Abstract
  Capparis spinosa is an important plant species in the rangelands ofDashte Moghan. In the current study, the ecological characteristics of the mentioned species were investigated at three representing sites. At each site, 30 plots of 10 m2 were established along transects and systematic random sampling ...  Read More

Monitoring land use and land cover changes in Semirom region based on spatial development and population variation using satellite data

Fateme Hadian; reza jafari; hosein bashari

Volume 22, Issue 4 , March 2015, Pages 730-744

Abstract
  Urbanization has been a major factor of natural resource degradation in the Semirom region of Isfahan province. This study aimed to evaluate the impact of urban development through land cover/ land use changes over a 37-year period using Landsat 1976 MSS and 2013 TM images and population data. First, ...  Read More

Effect of grazing utilization on vegetation and soil properties in steppe rangelands (Case study: steppe rangelands Saveh)

sedighe zarekia; hosein arzani; mohamad jafari; noloufar zare

Volume 22, Issue 4 , March 2015, Pages 745-756

Abstract
  This research was aimed to investigate the effects of different grazing systems and intensities on soil and vegetation properties. Initially, the canopy cover percentage, density, and species height were measured using systematic random sampling. To investigate the changes in soil parameters in ...  Read More

Estimating the potential of seed production and dispersal in mountain grassland of central Alborz (Case study: rangelands of Sorkh-Abad Savadkooh, Mazandaran province)

jasem yousefi; jamshid ghorbani; maryam shokri; seyed hasan zali

Volume 22, Issue 4 , March 2015, Pages 757-767

Abstract
  Seed production and dispersal are important topics in grassland management as they influence the vegetation structure and dynamics. To understand and better interpretation of changes in vegetation, it needs to identify the species composition in other sources such as the soil seed bank and seed rain. ...  Read More

Genetic potentials of Haloxylon aphyllum on coping drought stress at seedling stage

hosein Mirzaee nodoushan; Hasan rouhipour; zeynab zare; fereshte asadi korom; salman zare

Volume 22, Issue 4 , March 2015, Pages 768-777

Abstract
  The research was conducted based on genetic variation of a black saxaul (Haloxylon aphyllum) plant population to find possible differences between the genotypes of the population, confronting various levels of water stress. A great number of progenies of four genotypes of the species were studied under ...  Read More

Assessment of avalable and necessary water resources for goats grazing livestock in Nodoushan steppe rangelands of Yazd province

naser baghestani; mohamad taghi zare; kazem dashtakian; mohamadreza ahmadi

Volume 22, Issue 4 , March 2015, Pages 778-786

Abstract
  Proper distribution of water resources in rangelands causes uniform grazing and optimal use of rangeland. Knowledge of the present status of water resources in rangeland is important to achieve this goal. For this purpose, the drinking water  resources for livestock in the steppe rangelands of Nodoushan, ...  Read More

Evaluation of rangeland capability and peresentation of spatial plan for managing Hendovan in Khoy, West Azerbayjan

javad motamedi; saeedeh toupchizadegan

Volume 22, Issue 4 , March 2015, Pages 787-801

Abstract
  This research was aimed to investigate the ecological capability of Hendovan rangelands, located in Khoy, for animal grazing using systemic module in Arc GIS 9.3. Initially, the map of environmental units was integrated with the maps of geology, soil, geomorphology, isohyet, isothermal and water resources, ...  Read More

The comparision of hazard assessment of land degradation between two zones of semihumid to humid (Sepidan) and arid (Lamerd) based on a proposed model of RALDE in Fars Province

masoud masoudi; maryam vahedi; alireza nematollahi; seyed rashid fallah shamsi

Volume 22, Issue 4 , March 2015, Pages 802-820

Abstract
  This research was aimed to present a new model to determine the areas with higher degradation risk through considering various indicators of land degradation and desertification aspects or criteria, namely, natural, human and trend of degradation. For this purpose, two areas were selected in the north ...  Read More

A study of the effect of long-term enclosure on rangeland ecosystem Soil using the LFA method (Landscape Function Analysis) Case study: Saral rangelands of Kurdistan province

seyed akbar javadi; sonia khatibi baneh; hosein arzani; kazem saedi

Volume 22, Issue 4 , March 2015, Pages 821-829

Abstract
  This research was aimed to investigate the soil function indices in an exclosure region in comparison with non-exclosure. Then, using random plots as a control method, vegetation cover, stones and gravel, and litter were measured. Our results showed that the exclosure region (Saral Research Station) ...  Read More