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Response of Grassland Slope Erosion to Vegetation Characteristics

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, , Citation Dongdong Wang et al 2021 IOP Conf. Ser.: Earth Environ. Sci. 668 012013 DOI 10.1088/1755-1315/668/1/012013

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1 Guangdong Key Laboratory of Integrated Agro-environmental Pollution Control and Management, Guangdong Institute of Eco-environment Science & Technology, Guangzhou, 510650, P. R. China

2 College of Ecology, Resources and Environment, Dezhou University, Dezhou, Shandong 253023, China

3 State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Institute of Soil and Water Conservation, Northwest A&F University, Yangling, Shaanxi 712100, China

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1755-1315/668/1/012013

Abstract

The grassland erosion research on steep slopes is the basis and difficulty, which was studied by artificial rainfall experiments. Results showed the following: (1) Decreasing the stream power (Rω) is main way to decrease the interrill erosion. (2) The regulation effect of grass on stream power and soil erodibility are mainly achieved by grass cover and root volume, separately. (3) The contribution rates of root volume (RV), and soil bulk density (SD) to RK is 73.61%-97.94, and 0.04%-0.22%.

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10.1088/1755-1315/668/1/012013