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)
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

Social network analysis of local stakeholders in Governance of water resources (Case study: watershed of Kharve Olya - Neyshabur city)

mahbube hoseini; Ali Golkarian

Volume 72, Issue 3 , December 2019, , Pages 683-698


  Resource management governing as one of the most valuable nature resource of watersheds with the involvement of local beneficiary to participatory management of water resources, one of the requirements of the water security program. So we considered social network analysis as an approach to analyzing ...  Read More

Prioritize the sub basins to watershed management activities (Case study: Watershed Daryan of Semnan province)

Ali Golkarian; Abbasali Mohammadian; Abolfazl Abdollahi

Volume 70, Issue 3 , December 2017, , Pages 777-789


  The first condition for control erosion and improve of watershed with critical status, identify and prioritize areas and catchments with a critical situation. At the time of control activities implementation, this action causes, more considered higher priority areas and conservation programs focus on ...  Read More

Effect of check dams on time of concentration and reduction of flood peak (Case study: Gash watershed)

Bita Shiravi; Ali Golkarian; Ali Abotalebi pirnaeemi

Volume 68, Issue 2 , September 2015, , Pages 307-322


  Check dams, are small dams in the watershed. These dams are constructed in susceptible areas to erosion due to reduce of flow velocity and erosion, control of sediment and flood in upstream of reservoir dams. These structures are made using wood, stone and cement, and Gabion. These structures change ...  Read More

Effect of slope length on spatially variation of concentration

Ali Golkarian

Volume 67, Issue 4 , May 2015, , Pages 587-601


  Erosion is one of the important factors in soil degradation and decrease fertility and slope length is one of the most effective factors in land form and amount of erosion. The objective of this study was investigation of spatially variation of sediment concentration in slope length until to receive ...  Read More

Performance of rangeland hydrology and erosion model for estimating sediment yield on rangeland’s hill slopes in dry regions (A Case study: Shahid Noori watershed, Khorasan Razavy)

Ali Golkarian; Davoud Davoudi Moghaddam; Seyed Amir Naghibi; Masoud Eshghizadeh

Volume 66, Issue 3 , November 2013, , Pages 457-467


  Soil erosion is undoubtedly one of the most important problems in natural areas and has a devastating impact on grassland ecosystems. The present study was conducted to assess the ability of Rangeland Hydrology and Erosion Model for estimating sediment yield on rangeland’s hill slopes in dry regions ...  Read More