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)
Clarifying the role and value of awareness of local communities in increasing the participation in rangeland protection (Case study: Malard County)

maede nasry; Mohammad Jafari; Hossein Azarnivand; Hamed Rafiee

Volume 73, Issue 4 , March 2021, , Pages 883-892


  This study aims to examine the role and value of local community awareness of the economic value of carbon sequestration as an important rangeland ecosystem services in order to increase the participation of local community for conservation of rangeland‌. In order to explain the role and value of awareness ...  Read More

Evaluation of Different Levels of Zeolite and Salicylic Acid on Some Growth Indices of Medicinal Plant (Thymus Daenensis) Under Drought Stress Conditions

Saeedeh Khaghani; Hossein Azarnivand; Mohammad Jafari; Abdollah Mollafilabi; Ali tavili

Volume 73, Issue 1 , June 2020, , Pages 49-63


  This experiment was conducted as a split-plot factorial based on a randomized complete block design with three replications in the medicinal plants' farm of Islamic Azad University in 2017. In this experiment, water stress was considered as the main factor in four levels of irrigation including 100%, ...  Read More

The effect of Silviculture on Tillering Haloxylon to determine the best height and time pruning (Case study: haloxylon plantation in eshtehard)

sadegh hoseinniaee; Hossein Azarnivand; Mohammad Jafari; Mohammad Ali Zare Chahouki

Volume 72, Issue 4 , March 2020, , Pages 951-964


  Haloxylon is one of the resistant plants in desert areas, which has always been considered by researchers and practitioners since controlling sandy soils as one of the solutions to erosion and sand fixation by biological methods. In this study was conducted in forest plantations eshtehard, Bases of haloxylon ...  Read More

Investigating the effect of flowering stage on the quality and quantity of Salvia limbata essential oil in different altitudes inTaleghan rangelands

Maryam Saffariha; Hossein Azarnivand; Mohammad Ali Zare Chahouki; ِAli Tavili; Samad Nejad Ebrahimi; Daniel Potter

Volume 72, Issue 1 , June 2019, , Pages 139-149


  Salvia limbata is an herbaceous plant which belongs to Lamiaceae family and is native to Iran. In this study, essential oils and variety of chemical compounds of Salvia limbata in flowering stage in different altitudes in July were studied. In order to study the active ingredients of plant in studied ...  Read More

The Effect of Vegetation Cover on Microclimate in Dry land Ecosystem (Case Study: Sistan Plain)

Farhad Zolfaghari; Hossein Azarnivand; Hassan Khosravi; Gholamreza Zehtabian; Shahram Khalighi Sigaroodi

Volume 71, Issue 4 , March 2019, , Pages 901-914


  Any Changes in a dry land surface ecosystem will be affected by the climate near the ground or microclimate in the vertical plane. In recent decades' wetland drying cause to reduced vegetation significantly. Assessing Zabol synoptic station statistics shown an increased temperature of this place. It ...  Read More

Effect of converting rangeland to afforestation on carbon sequestration and some properties of soil (Case study: Hassan Abad afforestation, Sanandaj)

nasibe ghanbari; hossein azarnivand; hamed joneidi jafari; mohammad jafari

Volume 71, Issue 3 , December 2018, , Pages 747-758


  This study aimed to effect of converting rangeland to afforestation on carbon and nitrogen storage was done in forested areas of Hassan Abad in Sanandaj. Masses of studied was include Cupressus arizonica, Pinus eldarica, Fraxinus rotundifolia, Robinia psedoacacia and Thuja orientalis whit an average ...  Read More

Design of Agricultural Ecological and Rangeland Capability Model Using Integrated Approach of FUZZY-AHP (A case study: Eshtehard city)

Pouyan Dehghan; Hossein Azarnivand; Hassan Khosravi; Gholamreza Zehtabian; Alireza Moghaddam Nia

Volume 71, Issue 1 , June 2018, , Pages 11-24


  The excessive reducing capacity of natural resources is one of the most important challenges that human beings have faced it in the last century. Proper land use and land use management based on its ecological potential play an important role in achieving sustainable development. Hence, in order to achieve ...  Read More

Comparison of carbon storage In Natural And Planted Ranges

afshin sadeghirad; Hossein azarnivand; mohamad jafari; mohamadali zarechahoki

Volume 71, Issue 1 , June 2018, , Pages 137-148


  Nowadays climate change, is the most significant threat in terms of sustainable development, particularly in developing countries. So regarding to rangeland ecosystems and their ability is a Particular attention to sequester carbon. This study aimed to assessing the carbon sequestration potential of ...  Read More

Investigate the vegetative properties and chemical composition of Ferula hausskenechtii

Hossein Azarnivand; Sedigh MOhammadi; Sadegh Hossein niyaee; Pouyan Dehghan

Volume 70, Issue 4 , January 2018, , Pages 837-849


  One of the best methods to prevent or reduce soil erosion, it is preserving and restoring vegetation. So knowledge about the characteristics of the vegetation, including ecological features as the first and most important biological tool for soil conservation is essential. Coma (Ferula hausskenechtii) ...  Read More

Study of the effect of environmental factors on vegetation diversity in Eshtehard rangelands

khadije naghizadeh; mohammad jafari; hosein azarnivand; mohamad ali zare chahiiki; Hamidreza Abasi

Volume 70, Issue 1 , June 2017, , Pages 257-262


  The effect of environmental factors on vegetation diversity in Eshtehard rangeland was studied in present study. Sampling was done using Minimal Area method. To measure the plant properties in each type, regarding the extent of each type, three 500 meter transects with 50 meter intervals between transects ...  Read More

Study of the role of soil properties in making differences between plant communities

fatemeh naghizadeh; mohammad jafari; hosein azarnivand; Mohammad Ali Zare Chahouki

Volume 69, Issue 3 , December 2016, , Pages 765-776


  In this study, the role of soil properties in making difference between plant communitieswas examined. First, four plant types were identified, including Pteropyrumaucheri-Salsolarigida، Astragalus gossypinus - Acanthophyllum herateens، Amygdalus scoparia – Achilla millefolium and Ephedra intermedia ...  Read More

Effect of Different Grazing Intensities on Soil Carbon Sequestration and Nitrogen Stabilization (Case Study: Shahriar)

Mohammad Jafari; Hossein Azarnivand; Ahmad Sadeghipour; Nadia Kamali; Ahmad Heidari; Hassan Maddah arefi

Volume 69, Issue 2 , July 2016, , Pages 427-436


  Global warming and climate change have drawn special attention to soil and its potential for stable carbon sequestration. Soils are the largest stores of carbon in terrestrial carbon cycle and contain about three times more carbon than vegetation cover and two times more than that of atmosphere. Studying ...  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

Determining the effective determinants of rangeland performance using Analytical Hierarchy Process (AHP); case study of range manager community in the winter pastures of Semnan province

Seyed Hasan Kaboli; حسین آذرنیوند; علی اکبر مهرابی; حسین ارزانی; سید مهدی حشمت الواعظین

Volume 68, Issue 4 , January 2016, , Pages 675-689


  One of the conventional methods in identifying issues or making decisions in communities is considering the views of individuals of the community. The aim of this research is to determine the effective determinants of rangeland performance according to the views of range manager community in winter pastures ...  Read More

Assessment on the Effects of Super Absorbent Polymer Application on Plants Survival and Costs in Planting Projects (Case study: Semnan Province)

Mohammad Jafari; ِAli Tavili; Yahya Esmaeilpour; Hossein Azarnivand; Mohammad Zare Chahouki; Hamid Reza Asghari

Volume 68, Issue 4 , January 2016, , Pages 725-738


  Abstract In this study the effects and costs of application of two kinds of super absorbent polymer on the establishment and surviving of seedlings was investigated. Experiments were done in the field and on two kind of soil with different salinity (EC: 4.5 and 8 dsm-1). The results showed: the establishment ...  Read More

Comparison of soil seed bank characteristics between forest and grassland habitats

Seyed Hamzeh Hosseini Kahnuj; Reza Erfanzadeh; Hossein Azarnivand

Volume 68, Issue 3 , October 2015, , Pages 469-485


  This study aimed to investigate the effect of habitat kind on soil seed bank characteristics viz. density diversity, richness and similarity between seed bank and above ground vegetation. Two different habitats (grassland and forest) were selected in Vaz, Mazandaran province. The grassland habitat located ...  Read More

LADA method Performance evaluation on soil degradation assessment in the East of Esfahan

Behzad Rayegani; Gholamreza Zehtabian; Hossein Azarnivand; seyed kazem alavipanah; Sayed Jamaleddin Khajeddin

Volume 68, Issue 1 , June 2015, , Pages 109-129


    Soil is one of the main non-renewable natural resources in the world and its degradation is considered as a major threat around the globe because it reduces the productivity capacity of soil variability and makes the environment instable in the long turn. Soil degradation has three different ...  Read More

Mapping soil surface salinity using Landsat Data ( Case Study: Bueinzahra


Volume 67, Issue 4 , May 2015, , Pages 631-640


  This research was done in order to submit a model for salinity map made with TM satellite data and salinity values in a Buienzahra. The necessary processings such as principal component analysis and producing of different indices was done on the main bands. The 38 soil samples using random sampling (with ...  Read More

Assessment of Current Desertification Status using IMDPA and Determination of Effective Factors of Land Degradation (Case Study: Damghan region)

shima nikoo; Hossein Azarnivand; Gholam Reza Zehtabiyan; Hasan Ahmadi; Mohammad Ali Zare Chahouki

Volume 67, Issue 4 , May 2015, , Pages 641-655


  Combating desertification which is a serious threat for the environment and human welfare requires understanding complex issues of this phenomenon using evaluation, awareness of severity of it's processes and determination of it's factors. So here, after recognizing the characteristics of the region ...  Read More

Survey of vegetation degradation in the East of Esfahan using Lada model

Behzad Rayegani; Gholamreza Zehtabian; Hossein Azarnivand; Seyed Jamalodin Khajedin; Seyed Kazem Alavipanah

Volume 67, Issue 2 , July 2014, , Pages 233-252


  Arid and semi-arid areas, due to the sensitive, have variable ecosystems, so continuous assessment and monitoring of the environment is required for most of managerial and adjustment practices. Vegetation is one of the most important assessment tools and used as a criterion for evaluation and monitoring ...  Read More

Environmental and managerial factors effects on plant species distribution (Case study: Saral rangelands of Kurdistan province)

Bahram Gholinejad; Mohammad Jaffari; Mohammad Ali Zarechahuki; Hossein Azarniuand; Hassan Pourbabaei

Volume 67, Issue 2 , July 2014, , Pages 279-288


  This research has been done with the aim of explaining environmental and managerial factors that affects on rangeland vegetation distribution in Saral rangelands of Kurdistan province. After selecting plant types as working area were done sampling from plant types and determined some of plants parameters ...  Read More

Economic valuation of rangelands' soil conservation function, Case of Mid-Taleghan rangelands

Seyed Alireza Mousavi; Hossein Arzani; Gholamali Sharzei; Hossein Azarnivand; Mahdi Farahpour; Stephani Engel; Esmail Alizadeh; Aliakbar Nazari-Samani

Volume 67, Issue 2 , July 2014, , Pages 317-331


  Soil conservation is one of the most important regulative functions of natural ecosystems. This function is of high importance in Taleghan Watershed due to high erosion quantity and sediment accumulation in Taleghan Dam reservoir. Soil loss reduction, sedimentation control and fertility conservation ...  Read More

Plant Species Distribution Modeling Using Logistic Regression Models in the North East of Semnan

Mohammad Ali Zare Chahouki; Lyla Khalsi Ahvazi; Hossein Azarnivand

Volume 67, Issue 1 , May 2014, , Pages 45-59


  The aim of this study was providing plant species predictive habitat models by using logisticregression method. For this purpose, study area conducted in north east rangelands of Semnanmodeling vegetation data in addition to site condition in formation including topography, and soil wasprepared. sampling ...  Read More