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Riparian plant communities are shaped by gradients of disturbance intensity and frequency and resource availability. Reservoir operation can alter the composition and abundance of riparian vegetation by changing the flood regime and by trapping fine sediments and associated nutrients within the reservoir system. We examined differences in herbaceous species richness, abundance and composition in Populus-Salix stands along an unregulated and regulated reach of a river in semi-arid Arizona, contrasted flood inundation frequency and edaphic conditions (soil moisture, nutrients and texture) between the reaches, and interpreted the vegetation differences in light of observed differences in environmental conditions. Flooding...
Categories: Publication;
Types: Citation,
Journal Citation;
Tags: Populus fremontii,
River Research and Applications,
Verde River,
flow regulation,
ground flora,
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