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PNAS_2_1255_TuolumneRiver_CA.JPG

Riparian community woodlands along the lower Tuolumne River near Merced, California. The dry grassland in the background indicates the semi-arid conditions and drought environment.

Riparian community woodlands along the lower Tuolumne River near Merced, California. The dry grassland in the background indicates the semi-arid conditions and drought environment.

Photo Credit: 

John Stella, ESF