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Destabilization of streambanks by removal of invasive species in Canyon de Chelly National Monument, Arizona

Citation

Ellen E Wohl, Natasha Pollen-Bankhead, Andrew Simon, and Kristin L Jaeger, Destabilization of streambanks by removal of invasive species in Canyon de Chelly National Monument, Arizona: .

Summary

As part of a study to investigate the causes of channel narrowing and incision in Canyon de Chelly National Monument, the effects of Tamarisk and Russian-olive on streambank stability were investigated. In this study, root tensile strengths and distributions in streambanks were measured and used in combination with a root-reinforcement model, RipRoot, to estimate the additional cohesion provided to layers of each streambank. The additional cohesion provided by the roots in each 0.1-m layer ranged from 0 to 6.9 kPa for Tamarisk and from 0 to 14.2 kPa for Russian-olive. Average root-reinforcement values over the entire bank profile were 2.5 and 3.2 kPa for Tamarisk and Russian-olive, respectively. The implications of vegetation removal [...]

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  • Upper Colorado River Basin

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From Source - Mendeley RIS export <br> On - Tue May 10 11:48:34 CDT 2011

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Title Citation Destabilization of streambanks by removal of invasive species in Canyon de Chelly National Monument, Arizona

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