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Riparian willow communities along the Illinois River at Arapaho National Wildlife Refuge in North Park near Walden, Colorado, provide important habitat for a number of wildlife species, including neotropical migratory birds. Existing stands in the northern (downstream) portion of the refuge are sparse and discontinuous (Photo 1) compared to upstream portions of the Illinois River and the parallel Michigan River. Mountain valley willow communities are increasingly viewed as complex, non-linear systems with multiple semi-stable states and interacting causal relations. In 2003, the U.S. Fish and Wildlife Service (FWS) began employing an adaptive management approach to restoration of bottomland willow communities at...


    map background search result map search result map Riparian willow restoration at Arapaho National Wildlife Refuge Riparian willow restoration at Arapaho National Wildlife Refuge