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 AVERAGE DENSITIES OF SUMMER ANNUALS Among Treatments Across Three Sites Stoddard Valley September 1978 • • Compacted 3 days after Rain D--0 Compacted 10 days after Rain Compacted 21 days after Rain Pectis papposa 40-- E a c a to - < Number of Passes

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