Evaluation of sediment yield under open grazing and exclosure micro-watersheds, case study: Sangnaeh area of Kalat

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NOOR HAMZEH; Bagherian Kalat Ali; ABBASI ALIAKBAR

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Journal: WATERSHED ENGINEERING AND MANAGEMENT Year:2020 | Volume:12 | Issue:2 Page(s): 505-513

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Title

Evaluation of sediment yield under open grazing and exclosure micro-watersheds, case study: Sangnaeh area of Kalat

Author(s)

NOOR HAMZEH | Bagherian Kalat Ali | ABBASI ALIAKBAR | Issue Writer Certificate

Keywords

Evaluation of Watershed Management PracticesQ1

Rangeland HydrologyQ1

sediment yieldQ2

Hydrological processesQ1

Time scaleQ2

Abstract

Rangeland exclusion is one of the watershed management methods that is applied for range rehabilitation. However, most Rangeland Hydrology studies have been focused on exclusion effects on soil loss at plot scale, whereas their effects on sediment yield at micro-watershed in seasonal and annual scales have rarely been considered. The present study was conducted in two sub-watersheds under exclosure and open grazing treatments, with area of 1. 0 and 1. 1 ha, respectively, in Sanganeh Watershed, Khorasan Razavi Province, Iran. Runoff and sediment associated with 56 storm events occurred during 2006 to 2016 were estimated at the main outlet of the watershed. The results showed the significant decreasing effect of exclosure treatment on sediment yield at micro-watershed scale (p≤ 0. 05). So that, 582% decrease in sediment yield was obtained in exclosure treatment compared to open grazing. Results also showed seasonal and annual variations of exclosure on Hydrological processes so that, maximum and minimum differences in sediment yield among study treatments were founded. The results of this study suggest that livestock grazing management during sensitive seasons as well as rangeland exclosure, if its social problems are resolved, is a practical solution to reduce watershed sedimentation.

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APA: Copy

NOOR, HAMZEH, ABBASI, ALIAKBAR, & Bagherian Kalat, Ali. (2020). Evaluation of sediment yield under open grazing and exclosure micro-watersheds, case study: Sangnaeh area of Kalat. WATERSHED ENGINEERING AND MANAGEMENT, 12(2 ), 505-513. SID. https://sid.ir/paper/234748/en

Vancouver: Copy

NOOR HAMZEH, ABBASI ALIAKBAR, Bagherian Kalat Ali. Evaluation of sediment yield under open grazing and exclosure micro-watersheds, case study: Sangnaeh area of Kalat. WATERSHED ENGINEERING AND MANAGEMENT[Internet]. 2020;12(2 ):505-513. Available from: https://sid.ir/paper/234748/en

IEEE: Copy

HAMZEH NOOR, ALIAKBAR ABBASI, and Ali Bagherian Kalat, “Evaluation of sediment yield under open grazing and exclosure micro-watersheds, case study: Sangnaeh area of Kalat,” WATERSHED ENGINEERING AND MANAGEMENT, vol. 12, no. 2 , pp. 505–513, 2020, [Online]. Available: https://sid.ir/paper/234748/en

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