%0 Journal Article %T Regional-scale relationship among biological soil crusts, invasive annual grasses, and disturbance %A Eric B Peterson %J Ecological Processes %D 2013 %I Springer %R 10.1186/2192-1709-2-2 %X The patterns do appear at the regional scale, with high levels of cattle activity corresponding to low cover of biocrusts, and low cover of biocrusts corresponding to high cover of annual grasses. %U http://www.ecologicalprocesses.com/content/2/1/2/abstract