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Arch Canyon 2

ca. 1960

1998

Description:

ARCH CANYON Vegetation density and diversity has increased along the Arch Canyon stream channel in the 35 to 38 years between the two photographs. Riparian plant species now present include Fremont cottonwood, coyote willow, yellow willow, bulrush, common reed, cattail, Baltic rush, and a few tamarisk plants. The stream channel is now much more narrow, is developing sinuosity, and is properly functioning. A significant difference in vegetation and stream channel characteristics on the main stem of Comb Wash is visible in the mid-portion of the photographs. The channel is much more narrow and is supporting a more dense vegetation cover.

Vegetative Community:

Riparian

Location:

San Juan

January 2018