Cottonwood forest establishment occurs on new sediment deposits
Detailed Description
Cottonwood forest establishment occurs on new sediment deposits. Seventy percent of the cottonwood forest area at Deerlodge Park along the Yampa River in Dinosaur National Monument, CO was established 1880-1930 during a period of extreme erosion upstream in the Little Snake Basin. Intense grazing and flash floods caused erosion of sand in tributaries, and the sand was transported downstream to the Yampa, where it formed new sandbars for cottonwood establishment. Thus, extreme erosion in tributaries helped to form a highly valued forest far downstream. Figures adapted with permission from Kemper and others (2022).
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