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We conducted this assessment to provide information on the current conditions of riparian and wetland ecosystems in reference to their natural range of variation on the Ashley National Forest during Forest Plan revision. We determined that riparian and wetland ecosystems have experienced numerous stressors that have influenced their current conditions, including reduced beaver activity, altered flow regimes, dams and diversions, livestock and wild ungulate grazing, and climate change. Some ecosystem characteristics, particularly channel and floodplain dynamics, appear to be more resistant to stressors with the majority of units classified as trending toward or within their natural range of variation. Changes to groundwater and surface water dynamics, as well as resistance to invasive and encroaching species, have been impacted the most by stressors, particularly in the Flaming Gorge National Recreation Area. Our results have been incorporated in the Forest Plan and will continue to be useful to resource managers and planners during efforts to restore and/or maintain riparian and wetland ecosystems on the Ashley National Forest.

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