The Effects of disturbance on The Effects of disturbance on desert soils, vegetation, and community processes with emphasis on off-road vehicles : a critical review effectsofdisturb00rowl Year: 1980 Figure a. b. Tracks created by 20 passes of a Ford 'Bronco' at site 1 in Stoddard Valley, CA., Aug. 19, 1977. Ten individuals of Erodium cicutarium collected at random from inside these tracks (top row) and outside the tracks (bottom row) on Mar. 12, 1978.


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