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 68 (2015)
Volume 67 (2014)
Volume 66 (2013)
Volume 65 (2012)
Volume 63 (2010)
Volume 62 (2009)
Evaluation of Some Morphological, Phytochemical and Ecological Characteristics of Different Populations of Satureja rechingeri Jamzad

Hassan Esmaeili; Javad Hadian; Mohammad Hossein Mirjalili; Hassan Rezadoost

Volume 69, Issue 1 , June 2016, Pages 1-12


  Satureja rechingeri, an endemic species from Iran, is distributed in narrow habitats in Ilam andKhuzestan provinces. This study was conducted in 2013 and some morphological characteristics, oilcontent, rosmarinic acid content and ecological features of different populations of S. rechingeriwere studied. ...  Read More

Heavy Metals (Pb and Ni) in Soil and Plant Halimocnemis pilifera in Halgheh Darreh Waste Disposal Site in Karaj

Nafise Panahi; amirhossein hamidian; Ali Tavili

Volume 69, Issue 1 , June 2016, Pages 13-26


  This study was conducted in Halgheh Darreh waste disposal site in Karaj in order to determine theconcentration of Ni and Pb in Halimocnemis pilifera and in region’s soil. Three 50*50 m plots inthe direction of the prevailing wind were selected. The First plot was close to the leachate pondsand ...  Read More

Analysis of Gully Morphometery in Relation with Physical and Chemical Characteristics of Soil in Kojur, Noushar, Mazandaran Province

Mohammad Mahdi Hoseinzadeh; Reza Esmaili; Mohammad Hasan Jouri; Samaneh Pourkalhor

Volume 69, Issue 1 , June 2016, Pages 27-38


  Gully erosion is one of the most destructive types of hydraulic erosion and an important process insoil destruction that in some cases creates long, vast, deep canals. Study area was located in thenortheastern Alborz, Mazandaran province and Nowshar County (Firozkola subbasin a portion ofKojur watershed). ...  Read More

Runoff Estimation of Urban Catchment Using URBS-UH Model (Case Study Baharestan City)

zohreh khorsandi; Mohammad Mahdavi; Ali Salajeghe; Saeid Eslamian

Volume 69, Issue 1 , June 2016, Pages 39-50


  Quantification of urban hydrologic response of catchments to rain fall is one of the most importantissues in urban hydrology. Despite its importance, there is scant information by means of whichrequired data can be obtained for quantifying hydrologic response. In this study, urban database wasdeveloped ...  Read More

Impacts of Large-Scale Climate Signals on Seasonal Rainfall in the Maharlu - Bakhtegan Watershed

bahram choubin; SHahram KHalighi Sigaroodi; Arash Malekian

Volume 69, Issue 1 , June 2016, Pages 51-63


  Predicting climate trends, especially forecasting rainfall, provides managers of different fields withsuitable tools so that considering these predictions; they can devise future-state policies. At thisstudy, after selecting the most effective climate indices applying PCA method, the effects of largescaleclimate ...  Read More

Comparison of Neuro Fuzzy, Neural Network Artificial and Statistical Methods for Estimating Suspended Load Rivers (Case Study: Taleghan Basin Upstream)

Amin Zoratipour

Volume 69, Issue 1 , June 2016, Pages 65-78


  Abstract Estimation of fine suspended load rivers is important in designing reserves, transition volume ofsediment, and estimating lake pollution. Thus, some methods are needed for determining damagescaused by sedimentations in environment and determining its effects on the watersheds. There aremany ...  Read More

Mineralogy Investigation of Sediments of Riverbed in Shafarood Watershed, Gilan Province for Determining the Rate of Erosion and Sedimentation

Mohammad Rostamtabar; Sadat Feiznia; ziaodin Shoaii

Volume 69, Issue 1 , June 2016, Pages 79-92


  More accurate understanding of rock formations and sedimentary units sensitive to erosion willenable us to present appropriate and timely methods in order to prevent accelerated erosion. In thisstudy, through predefined sampling from main and minor channels and granulometric analysisusing index sieves, ...  Read More

Aassessment of Development Impacts in Land Use and Land Price Changes (Case Study: Taleghan Dam)

Sakine Saedi; Ali Akbar Mehrabi; Ali Tavili; Seideh Heydari

Volume 69, Issue 1 , June 2016, Pages 93-106


  Development impact assessment is key to achieving a comprehensive planning aligned with landsustainability. In human and natural systems studies, changes can be simultaneously examined intwo different systems. The purpose of this paper is to understand the effects of dam construction onland prices and ...  Read More

Developing a Decision Support System for Evaluating and Managing Rangeland Ecosystems (Case Study: Semi-Steppe Rangelands of Feridan- Isfahan)

Nima Shakeri boroujeni; Hossein Bashari; Mostafa Tarkesh esfahani

Volume 69, Issue 1 , June 2016, Pages 107-123


  This study sought to develop a Decision Support System (DSS) for assisting range managers todetect range condition and make informed decisions about Feridan County rangelands. All plantspecies frequencies were measured in 31 range sites with various grazing histories using step pointmethod. Four hundred ...  Read More

Investigation of the Effect of Storm Occurrence Time on Prioritization of Factors Affecting on Erosion Using WEPP Model Sensitivity Analysis (Case Study: Shanganeh Watershed, Khorasan Razavi Province)

Ali Talebi; Shahrbanoo Abbasi Jondani

Volume 69, Issue 1 , June 2016, Pages 125-140


  WEPP model needs a great deal of input data. Identifying the model’s sensitive parameters andtheir prioritization increases the accuracy and efficiency of the model. On the other hand, WEPPmodel can simulate processes affecting on runoff, erosion and sediment throughout the year. Thus,model sensitivity ...  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

Analysis of Policy Network and Organizational Cohesion of the Stakeholders of Natural Resources of Semnan Province

Mehdi Ghorbani; Vahid Jafarian; Mohammad Reza Yazdani; Mahsa Abdolshahnejad

Volume 69, Issue 1 , June 2016, Pages 155-166


  Achieving integrated natural resource management fundamentally needs effective and coordinatedrelationship, collaboration, and synergy among various actors who have common but differentresponsibilities. In this sense, the foundation of comprehensive and integrated management is notcompatible with centralization ...  Read More

Assessment of Forest Roads Sediment Yield using WARSEM, SEDMODL and Direct Measurement through Rainfall Simulation

Ataollah Kavian; Atta Safari; Aidin Parsakhoo

Volume 69, Issue 1 , June 2016, Pages 167-186


  In this study, the sediment yield of forest roads of Darabkola watershed was investigated andestimated using WARSEM and SEDMODEL. Rainfall simulator was applied to measure thesediment of abovementioned roads directly. In order to apply WARSEM and SEDMODEL models,field operations for measurement of different ...  Read More

Applying Landscape Function Analysis Method in Order to Assess the Ecological Function of Plant Patches in Rangeland Management Treatments (Pilot: Kojour Noshahr Rangelands)

Sana Mohebbi; Ghasem Ali Dianati Tilaki; Mehdi Abedi

Volume 69, Issue 1 , June 2016, Pages 187-199


  Assessment of rangeland ecological characteristics have been proposed as an important factor inreviewing and monitoring the effects of various management measures and it demands differenttools for quantifying and offering a reasonable criterion for comparison of different managements.For this purpose, ...  Read More

Comparison of Effective Factors on Landslide Hazard in Two Spatial Scales through Multiple Regressions(Case Study: Taleghan Watershed)

Elham Meshkati; Hassan Ahmadi; Aliakbar Nazari Samani; M.H Davoodi

Volume 69, Issue 1 , June 2016, Pages 201-210


  Landslide occurs inevitably and naturally in many slopes due to sensitive formations, moisture, andother factors. Taleghan watershed is prone to landslide due to the presence of huge Miocene marlmasses. After construction of Taleghan reservoir dam, moisture and ecological condition of theregion changed. ...  Read More

Applying FTOPSIS in Prioritizing Biological Management Scenarios of Watershed Reources (Case study: Dare Nari Sarvestan Watershed, Fars)

Amir Reza Keshtkar; Behnaz Asefjah; Yusef Erfanifard; Ali Afzali

Volume 69, Issue 1 , June 2016, Pages 211-228


  The development and implementation of practical natural resources and catchment managementpolicies require a comprehensive knowledge of the system processes (biological, physical, andsocio-economic), their complicated interactions, and how they react to different changes. Thecurrent research assessed ...  Read More

Vegetation Changes Procedure Inside and Outside of Exclosure in Tanglaybid Rangelands of Yazd Province (2000-2005)

AliB. Mirgalili; MohammadR. Fazelpoor; fariba zakizadeh

Volume 69, Issue 1 , June 2016, Pages 229-244


  Grazing animals affect rangeland vegetation structure and function both directly and indirectly.These effects can be assessed in exclosures. In this study, vegetation changes inside and outside ofexclosures of Tanglaybid rangelands, located in south-western part of Yazd province, have beeninvestigated. ...  Read More

Classification of Vegetation and Its Ordination Regaring Geologic, Physiographic and Edaphic Factors (Case Study: Manesht Protected Area, Ilam, Iran)

Mostafa Naderi; Asghar Mosleh arany; Gholamhosein Moradi; Abdosalam Piri; Mehrdad Kuhzadian; Hamid Azimzadeh

Volume 69, Issue 1 , June 2016, Pages 245-260


  This research aimed at studying the vegetation and investigating the effects of physiographic,edaphic and geological factors upon distribution of plant communities in Manesht district in Ilamprovince. Sampling was done based on plant types and land unit map. The number of samples wasdetermined by Krebs ...  Read More