Volume 76 (2023)
Volume 75 (2022)
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)
Assessment the relation of meteorological and hydrological drought in Khorasan Razavi province

Maryam Azarakhshi; Jalil Farzadmehr

Volume 74, Issue 4 , March 2022, Pages 689-702


  Meteorological drought affects the water resources of the basin with a time delay, which leads to the occurrence of hydrological drought. Assessment of rainfall variability and drought is necessary to determine the existing water crisis and water resources management. This study was done in 42 watersheds ...  Read More

The Application of Soil Profile Information to Estimate the Soil Organic Carbon using Pedotransfer Functions

Mohsen Bagheri Bodaghabadi; Mohammad Jamshidi; Zohreh Mosleh

Volume 74, Issue 4 , March 2022, Pages 703-718


  Soil organic carbon (OC) is one of the most important soil properties, especially from an environmental point of view. For this reason, OC modeling and estimating has been highly considered. In modeling, application of pedotransfer functions to estimate soil properties from the other ones have an important ...  Read More

Estimating Willingness to Pay of Local Communities for Preservation and Revitdiation of Deserts Areas (Case Study: Gosht Plain- Saravan)

Nikbibi Bozorgzadeh; Mohammad Reza Rigi; Mohammadreza Sasouli; Farhad Zolfaghari

Volume 74, Issue 4 , March 2022, Pages 719-730


  Nowadays, the destructive factors of the environment and natural resources are so widespread that the alarm of destruction of these natural wonders is sounded all over the world. Due to the importance of this topic, the study was conducted to estimate the willingness to pay of local communities to conserve ...  Read More

Study of preference value of range plants in Sirik region, Hormozgan province

Abdolhamid Hajebi; Mohammad amin Soltanipoor; mohammad fayaz

Volume 74, Issue 4 , March 2022, Pages 731-746


  In order to investigate the preference value of plants, this study was conducted in Sirik rangeland in Hormozgan province. To determine the preferred value in this region, two methods of timing and production and consumption of plant species were used. The results of analysis of variance of the preferred ...  Read More

Assessing the degree of sensitivity and estimating the possible damage of Shemshak basin in case of avalanche using HEV model

Ali Rajaee; Baharak Motamedvaziri; Aliakbar Nazariye samani; Hasan Ahmadi

Volume 74, Issue 4 , March 2022, Pages 747-769


  In this study, 18 variables affecting avalanches have been studied. These variables are related to the conditions: geomorphological and topographic, climatic, snow and also Some activities are related to human factors. In this study, the avalanche risk map was prepared and analyzed using the risk model ...  Read More

Evaluation and determination of factors affecting erosion and sedimentation of watersheds, case study: Urmia Lake basin

Mohammad Tahmoures; davud nikkami

Volume 74, Issue 4 , March 2022, Pages 771-784


  Erosion and sedimentation phenomena are two inevitable phenomena of watersheds that are subject to complex factors. Identifying these factors and recognizing their effect on erosion and sediment will help in better planning to reduce the damage caused by erosion and sediment in a basin. In this study, ...  Read More

Trends analysis of annual and seasonal precipitation characteristics in the Hyrcanian region of northern Iran

Pedram Attarod; Mahdieh Garoosiha; Mohammad Javad Mehdikhani; Samira Beiranvand

Volume 74, Issue 4 , March 2022, Pages 785-798


  We investigated the trend analysis of rainfall characteristics in the Hyrcanian region of northern Iran in a 33-years period (1987 to 2019). Annual, seasonal, and three 11- years periods (1987-1997; 1997-2008; 2008-2019) were analyzed using data recorded at eight synoptic weather stations of Astara, ...  Read More

Relationship between landscape features and species diversity and functional diversity of semi-steppe rangeland

Samaneh Sadat Mahzooni Kachapi; Pejman Tahmasebi; Ataollah Ebrahimi; Mohammad hasan Jouri; Mohsen Faal; Reza Omidipour

Volume 74, Issue 4 , March 2022, Pages 799-820


  Ecological processes at different scales led to heterogeneity in the landscape by changing the pattern of the landscape structure. These would result in fragmentation and disintegration of landscape structures and filtering biodiversity characteristics such as species functional diversity. We performed ...  Read More

Factors affecting people's engagement in the implemented natural resources plans at Khorasan Razavi Province

Fatemeh Mohammadabadi; Mahdi Kolahi

Volume 74, Issue 4 , March 2022, Pages 821-835


  Social participation is an important factor in the social, economic and cultural development of human societies. Engagement in natural resources management also plays an important role towards sustainable development and is an important approach to achieve goals and to success in natural resource plans. ...  Read More

Capability of derived vegetation indices from remotely sensed data for burned area discrimination in semi-steppic rangeland (case study of CHB province, Iran)

Ali Mohammadian; Esmaeil Asadi Borujeni; Ataollah Ebrahimi; Pejman Tahmasebi; Ali Asghar Naghipour borj

Volume 74, Issue 4 , March 2022, Pages 837-850


  Nowadays, using satellite imagery is one of the fastest and lowest-cost methods in rangeland assessment. Also, remote sensing-based vegetation indices are among the most widely used tools to assess and monitor vegetation changes, especially in the post-fire period, and to map the burned regions in rangelands. ...  Read More

Assessment the Effects of watershed management operations on the characteristics of runoff and suspended sediment load in Ghaleh Gol Watershed, Lorestan province

Bahram Mir Derikvand; Alireza Sepahvand; Hossein Zeinivand

Volume 74, Issue 4 , March 2022, Pages 851-866


  In recent years, extensive practices have been done on flood control, erosion and sediment in the fields of research and implementation of watershed management. Therefore, the purpose of this study was to assess the effects of watershed management practices on the characteristics of runoff and suspended ...  Read More

Spatial and temporal changes of water resource components regarding different time periods and important land-uses in Zayandeh-rud Basin

Nesar Nasiri; Keivan Asghari; Ali Asghar Besalatpour

Volume 74, Issue 4 , March 2022, Pages 867-888


  This study examines spatial and temporal changes in water resources; including blue and green water resources components, taking into account their changes in four main land use in the Zayandeh-rud basin. The spatial and temporal changes were studied using the semi-distributed hydrological model SWAT ...  Read More

Determining the environmental flow requirement using hydraulic method in data scarce in Cheshmeh Langan River

Mehdi Vatakhah; Mohammad Tavosi

Volume 74, Issue 4 , March 2022, Pages 889-903


  Today, the use of surface water to meet various human requirements such as drinking, agriculture and industry has endangered the health of this river ecosystem and its role in the natural system. The minimum environmental flow in the river provides a safe level of protection for the water-dependent environment. ...  Read More

Predicting the effect of cloud seeding on runoff in Beheshtabad watershed using IHACRES model

Abbas Rezaeai Haroni; Rafat Zare Bidaki; samaneh poormohammadi

Volume 74, Issue 4 , March 2022, Pages 905-916


  Cloud seeding is a new and efficient approach to deal with water scarcity and mitigate the effects of drought. Cloud seeding is one of the most flexible and cost effective ways for water resources management that can cause 10 – 30 percent increase of yearly precipitation. The Beheshtabad watershed ...  Read More

The effect of snow cover area and duration changes on vegetation cover in Chaharmal and Bakhtiari Province

Leila Yaghamei; Reza Jafari; Saeed Soltani; Hasan Jahanbazi

Volume 74, Issue 4 , March 2022, Pages 917-938


  Snow is one of the effective fators on vegetation rate and function in mountainous areas. The aim of this study was to investigate the impact of snow cover area index and snow cover duration index on two declining and dominant plant species including Astragalus adscendens and Quercus brantii in Chaharmal ...  Read More