Aghabeigi Amin, Soheila, Moradi, Hamid Reza, Fattahi, Bakhtiar, Fattahi, Bakhtiar (2014). Sediment and Runoff Measurement in Different Rangeland Vegetation Types using Rainfall Simulator. , 2(2), 525-538.
Soheila Aghabeigi Amin; Hamid Reza Moradi; Bakhtiar Fattahi; Bakhtiar Fattahi. "Sediment and Runoff Measurement in Different Rangeland Vegetation Types using Rainfall Simulator". , 2, 2, 2014, 525-538.
Aghabeigi Amin, Soheila, Moradi, Hamid Reza, Fattahi, Bakhtiar, Fattahi, Bakhtiar (2014). 'Sediment and Runoff Measurement in Different Rangeland Vegetation Types using Rainfall Simulator', , 2(2), pp. 525-538.
Aghabeigi Amin, Soheila, Moradi, Hamid Reza, Fattahi, Bakhtiar, Fattahi, Bakhtiar Sediment and Runoff Measurement in Different Rangeland Vegetation Types using Rainfall Simulator. , 2014; 2(2): 525-538.

Sediment and Runoff Measurement in Different Rangeland Vegetation Types using Rainfall Simulator

ECOPERSIA
Article 2, Volume 2, Issue 2 - Serial Number 8, 2014, Pages 525-538    PDF (1.02 M)
Authors
Soheila Aghabeigi Amin* 1; Hamid Reza Moradi2; Bakhtiar Fattahi3; Bakhtiar Fattahi3
1Assistant professor, Faculty of Agriculture and Natural Resources, Razi University, Kermanshah, Iran
2Associate professor, Faculty of Natural Resources, Tarbiat Modarres University, Nour, Iran
3Scientific Member, Faculty of Natural Resources, Malayer University, Malayer, Iran
Abstract
Soil erosion is an abstruse phenomenon which contains segregation and transmission of soil particles and runoff from rainfall and infiltration. Runoff and sediment generation was compared using rainfall simulator in grassland (St. parviflora-Br. tomentellus) and shrubland (As. parrowianus-As. gossipinus). For this purpose, vegetation map was supplied for two vegetation types four main aspects and two slope classes (12%-20% and 20%-40%) and corresponding work units were accordingly determined Three points were selected in each unit and rainfall simulator set inside them through a randomized pattern. The intensity of rainfall simulation was 1.6 mm min-1 with 10 minute duration and then runoff and sediment were measured. One soil sample (depth of 0–40 cm) was collected and assessed for pH, OM, EC, P, K, Ca, Mg and texture in the laboratory at the vicinity of the study area. The results of Duncan test and multiple regressions showed that grassland had more runoff and sediment than shrubland, but initial time of runoff in grassland was less than shrubland. Also aspects, slopes and soil characteristics (EC, Ca, Clay, P) had significant effects on runoff, sediment and initial time and they had linear correlation with runoff and sediment.
Keywords
Rainfall Simulation; Rangeland; Runoff; Vegetation Types
References
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