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)
Economic Evaluation of Rangeland Tourism Function (Study Area: North Khorasan Province, Maneh and Samolghan Counties)

Leila Avazpour; Mehdi Ghorbani; Hossein Azarnivand; Hamed Rafiee

Volume 76, Issue 3 , November 2023, Pages 195-213


  Evaluate non-market functions and services of the environment, including tourism for many reasons, including the recognition and understanding of environmental and ecological benefits by humans, presenting the country's environmental issues to decision makers and planners, adjusting and modifying the ...  Read More

Total Dissolved Solids modeling using machine learning algorithms in periods of low and high water (Case study: Khorammabad, Biranshahr and Alashtar watersheds, Lorestan province)

Nasrin Beiranvand; Alireza Sepahvand; Ali Haghizadeh

Volume 76, Issue 3 , November 2023, Pages 215-236


  In this study, five soft computing techniques, GP-PUK, GP-RBF, M5P, REEP Tree and RF were used to predict the SL in Cham Anjir, Bahram Joo, Kaka Reza and Sarab Syed Ali hydrometry stations in Khorramabad, Biranshahr and Alashtar sub-watersheds, Lorestan province. Total data set consists of rain, discharge ...  Read More

Investigating the effect of the construction of the new Hashtgerd - Taleghan road in Alborz province on the amount of erosion and sediment production using the WARSEM model

Seyed Majid Reza Hosseini Mofrad; Hassan Ahmadi; Ali Akbar Mehrabi; Baharak Motamedvaziri

Volume 76, Issue 3 , November 2023, Pages 237-251


  For this purpose, according to Cochran's equation, from Hashtgerd-Taleghan asphalt road 26 km long and Hashtgerd-Taleghan dirt road 9 km long, road sedimentation was calculated with 17 and 11 samples, respectively, and finally, using statistical relationships, the erosion rate was calculated. And sedimentation ...  Read More

Determining proper seed planting depth for fourwing saltbush (Atriplex canescens (Pursh) Nutt.)

Moselm Rostampour; Effat Akbari; Mohammad Saghari

Volume 76, Issue 3 , November 2023, Pages 253-269


  The seed planting depth is one of the most important factors affecting the uniform plant emergence and the success of planting. This research was designed to determine proper seed planting depth for Atriplex canescens . in the nursery of the General Department of Natural Resources and Watershed Management ...  Read More

Modeling future changes in climate parameters of precipitation and temperature in Semirom watershed

Maryam Asadi; Arash Malekian; Ali Salajegheh

Volume 76, Issue 3 , November 2023, Pages 271-286


  GCM models are widely used to assess climate change on a global scale, but outputs of these models are not sufficient and accurate to assess climate change at local and regional levels. Therefore, in this study, SDSM model was used for micro-scaling of CanESM2 model data and climate conditions of Semirom ...  Read More

Locating areas with infiltration potential by using the mixture discriminant analysis model

Maryam sadat Jaafarzadeh; Ali Haghizadeh; Iraj Vayskarami

Volume 76, Issue 3 , November 2023, Pages 287-304


  Agriculture is not only the largest user of groundwater resources throughout the world but also its economy is highly dependent on these sources. Thanks to having more effective parameters and subsequently more accurate results, the classification methods in many fields, such as sustainable agriculture ...  Read More

Ecological Habitat Modeling of Ferula gummosa in Ghorkhoud Protected Area Using Machine Learning Algorithms

Hamidreza Keshtkar; Hassan Yeganeh; Omid Kavoosi

Volume 76, Issue 3 , November 2023, Pages 305-319


  Ferula gummosa is one of the rare and valuable species in Iran's rangelands, which is exploited by local stakeholders due to its high economic value. Protecting this species can help maintain the biodiversity and stability of mountainous areas. This study was conducted to compare the performance of six ...  Read More