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)
Evaluation of wetting pattern in deep subsurface irrigation method using PVC pipes in desert areas

Golnoosh Savartondrow; Salman Zare; Khaled Ahmadaali; Mohammad Jafari

Volume 76, Issue 4 , February 2024, , Pages 335-349


  Due to the lack of water in the deserts of Iran and the high rate of evaporation, the establishment of vegetation and their irrigation are associated with many problems. Therefore, in the management programs for the sustainable development of dry and desert areas, it is very necessary to use less water. ...  Read More

Financial Analysis and Evaluation of the Use of Electric Fence in Increasing Rangeland Productivity

Hossein Arzani; Esmaeil Alizadeh; Setareh bagheri; Mohammad Jafari

Volume 76, Issue 2 , August 2023, , Pages 149-158


  Rangelands played an effective role in the country's economic and political development prior to its dependence on oil and its derivatives. Therefore, paying attention to the environmental and social stresses brought to these ecosystems highlights the need to use new technologies to diversify production ...  Read More

Effect of evergreen Juniperus sabina and deciduous Berberis integerrima species on some substratum soil physico-chemical characteristics

Reza Erfanzadeh; Mohammad Jafari; Misagh Ghasempour

Volume 76, Issue 1 , June 2023, , Pages 15-27


  This study aimed to investigate the effect of Juniperus sabina (evergreen) and Berberis integerrima (deciduous) and herbaceous patches on some soil properties (pH, EC, aggregate stability, microbial respiration, organic carbon and nitrogen) in their habitats. In June, when maximum growth of the dominant ...  Read More

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 range Condition and management before and after replacing soil condition assessment method with soil factor of four-factor method in Poshtkuh rangelands of Mazandaran

Rezaali Domehri Vasati Kolaei; Mohammad Jafari; Hossein Arzani; Seyed Akbar Javadi; Mahmood Arabkhedri

Volume 75, Issue 3 , December 2022, , Pages 347-361


  The purpose of this study was to compare the condition and management of rangeland before and after replacing the soil condition assessment method in the soil factor of the four-factor method in order to determine the most appropriate rangeland condition method. Rangeland status assessment was performed ...  Read More

The Effects of Drought on Vegetation Using using satellite remote sensing and meteorological data (Case study: Qazvin plain)

Setareh Bagheri; Reza Tamartash; Mohammad Jafari; Mohammad Reza Tatian; Arash Malekian

Volume 75, Issue 1 , June 2022, , Pages 1-18


  Plain ecosystem is highly vulnerable to environmental changes, and drought is the most famous ecosystem change driver that is difficult to identify after its occurrence. In this research, to study the slope of vegetation changes against drought, the NDVI index of MODIS images and the SPI index from 2001 ...  Read More

Impact of different levels of natural biochar on some soil properties, germination percentage, and yield of Pamirian winterfat (Eurotia ceratoides) rangeland plant

Raziyeh Dehghani; Mohammad Jafari; Mohammad Ali Zare Chahouki; Salman Zare; ِAli Tavili; Babak Moteshrezadeh

Volume 75, Issue 1 , June 2022, , Pages 35-50


  The use of biochar as a soil amendment is one of the new methods to improve soil properties and increase plant yield. In this study, in order to evaluate the effect of adding natural biochar on soil properties and yield of Pamirian winterfat (Eurotia ceratoides) plant, an experiment in a completely randomized ...  Read More

The status and value of renewable natural resources and its protection and exploitation in the religion of Islam

Shiva Eyvazi; Sasan Babaei Kafaki; Mohammad Jafari; Mohammad Tahmoures

Volume 74, Issue 3 , December 2021, , Pages 611-623


  Water, soil, pasture, forest, etc. are a valuable divine deposit for the people of any society and the national wealth of that society, which not only should be tried to preserve and protect these national assets, but should By adopting principled, technical, and regenerative exploitation policies, it ...  Read More

Investigation of biopolymer mulch effects on water holding capacity in sand (case study: sand dunes of Kashan)

Mohsen Asadollahi; Mohammad Jafari; vahid sayare; Ali esmaeili; Mohammad Tahmoures

Volume 74, Issue 2 , September 2021, , Pages 233-243


  Wind erosion is one of the most important aspects of land degradation in arid and semi-arid regions, which 20% of land area of the world has been influenced by wind erosion. The wind increases the desertification process by displacing sand dunes. Therefore, the stabilizition and preventing the moving ...  Read More

Investigation the Effect of Amendments on the Biological Reclamation of Salt-Lands from an Economic Perspective in Nazarabad, Alborz Province

Shahram Yousefi Khanghah; Hossein Azarnivand; Mohammad Ali Zare Chahouki; Mohammad Jafari; Hamidreza Naseri

Volume 74, Issue 1 , June 2021, , Pages 223-232


  The establishment of vegetation is the best way to manage degraded and at risk of degradation lands. Considering that the planting in arid lands is very costly because of ecological restrictions, so experts are looking for methods that increase the percentage of the seedlings establishment and reduce ...  Read More

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

Investigating the effect of Marl's physical and chemical properties on the amount and forms of erosion (Case study: Aoun Ibn Ali – Tabriz' s Sorkhab)

Saeed Pourheadari; Hassan Ahmadi; ِAbolfazl Moeini; Sadat Feiznia; Mohammad Jafari

Volume 73, Issue 3 , December 2020, , Pages 473-487


  Due to physical and chemical composition and lack of vegetation cover and therefore less organic matter, Marlons formations are the most sensitive formations to erosion, so that by removing the particles of the soil and transporting their to the lower regions, cause different forms of erosions. Due to ...  Read More

Assessment the instability and land degradation using fuzzy methods, hierarchical analysis and weighted linear combination (Case study: Bakhtegan watershed, Fars)

Mahroo Dehbozorgi; Mohammad Jafari; Arash Malekian; Gholamreza Zehtabian; seyed rashid fallah shamsi

Volume 73, Issue 2 , September 2020, , Pages 321-335


  In Iran, due to arid and semi-arid weather conditions the optimal use of limited water and soil resources has a particular importance. Land degradation is the result of incorrect policies in land management, which is a prominent example in the Bakhtegan watershed. Human factors, as well as climate changes ...  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

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

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

Investigation on lead dispersion and it's environmental indices in soils near Kushk Pb-Zn mine - Bafgh

sadat Feiznia; ahmad reza mokhtari; mohammad jaaferi; mohammad javad ghanei bafghi; ziba khodayian

Volume 72, Issue 2 , September 2019, , Pages 517-526


  Mining and its various stages is one of the important factors in spreading pollution in natural environments. Contaminations may affect soil and water resources and actually enter the food chain due to absorption by plants. Among mineral elements, lead is more important because of its toxic effects. ...  Read More

Studying the effectiveness of some non-oil mulches on sand dunes fixation

Salman Zare; Mohammad Jafari; Hassan Ahmadi; Hasan Rouhipour; Reza Khalil Arjomandi

Volume 71, Issue 4 , March 2019, , Pages 939-948


  In this regard, the present study aimed to evaluate the performance of some of the non-oil mulch to stabilize sand dunes in the Kashan's Rig-boland desert. monthly surveys are conducted in the desert areas. To evaluate the effect of mulch on stabilizing the sand dunes, the effect stabilization index ...  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

Identification of Vegetation-Vulnerable Areas to Drought Using Remote Sensing (Case study: Boushehr Province)

Fatemeh bahreini; Fatemeh Panahi; Mohammad Jafari; Arash Malekian

Volume 71, Issue 2 , September 2018, , Pages 341-354


  The complexity of drought phenomenon hinders our full understanding of its impact. Field sampling, Geographic Information Systems, SPI and NDVI, EVI and SAVI indices derived from 16-day interval MODIS images during 2000-2015 were used to better understand the effects of drought on vegetation In recent ...  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

Comparative Study of the Hydraulic Thresholds of Gully Erosion Flow in Different Land Uses (Case Study: Ghasreshirin, Kermanshah, Iran)

Khosro Shahbazi; ali salajagheh; mohammad jafari; hassan ahmadi; ali akbar nazari samani; mohammad khosro shahi

Volume 69, Issue 4 , March 2017, , Pages 931-947


  Negative impacts of gully erosion in marl areas are severe due to improper landuse practices such as irrigation, tillage, overgrazing and degradation of vegetation cover.  The objective of this research was to evaluate hydraulic flow thresholds of gully erosion in the agriculture (AG), fair rangeland ...  Read More

Investigation of Relationship between Vegetation Factors and Soil Properties (Case Study: Khojir National Park)

seyed akbar javadi; alireza khanarmooyi; Mohammad Jafari

Volume 69, Issue 2 , July 2016, , Pages 353-366


  The relationship between vegetation and soil properties in Khojier National park, located in Tehran province was investigated. For this purpose, vegetation data was recorded in each plot, based along 3 tansects in each vegetation type. Minimal area method was used for plot size. Density and vegetatin ...  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

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