Earth Surface Exchanges (ESEX) Commentary on ‘Plants as river system engineers’ by A. Gurnell. Earth Surface Processes and Landforms 39: 4–25, 2014. DOI 10.1002/esp.3397 |
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| Authors: | Philip Greenwood Nikolaus J Kuhn |
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| Institution: | Physical Geography and Environmental Change Research Group, Department of Environmental Sciences, University of Basel, Basel, Switzerland |
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| Abstract: | In a review of the role of plants in river systems, Gurnell (2014) explains how living riparian vegetation can moderate and manipulate river environments by trapping sediment and promoting longer‐term stability. Although the review concentrates on perennial plants in the humid temperate zone, this commentary acts as a reminder that some plants in other kinds of fluvial environment do not act in this way. This is done by describing how Impatiens glandulifera (Himalayan Balsam), a highly invasive annual plant that is now found in many countries on three separate continents, may significantly increase soil erosion along riverbanks and the riparian zone of inland watercourses. Copyright © 2014 John Wiley & Sons, Ltd. |
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| Keywords: | invasive plant Impatiens glandulifera (Himalayan Balsam) soil erosion river system destabilizer |
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