United States Department of Transportation
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Erosion Control and Engineering Properties of Native Vegetation Compared to Bermudagrass
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2001-05-01
[PDF-9.21 MB]
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Edition:September 1997 August 2000
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Abstract:Roadside slope failure, as well as drainage channel and structure siltation, is related to the health and character of the roadside vegetative community. Native grasses and prairie plant associations are well adapted to the harsh open environments of open prairies and plains, a characteristic shared by many highway roadsides. This study hypothesized that the growth habit of native plants, which includes a tough, deep, fibrous root system, and a dense surface protecting cover, may make them better suited for slope protection and erosion control than most introduced grass species commonly used on the roadside. Furthermore, researchers hypothesized that these native vegetation associations would require less cultural maintenance than the introduced grasses and would be less subject to invasion of noxious weeds.
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