Annual grass invasion in sagebrush steppe: the relative importance of climate, soil properties and biotic interactions

  title={Annual grass invasion in sagebrush steppe: the relative importance of climate, soil properties and biotic interactions},
  author={Sheel Bansal and Roger L. Sheley},
The invasion by winter-annual grasses (AGs) such as Bromus tectorum into sagebrush steppe throughout the western USA is a classic example of a biological invasion with multiple, interacting climate, soil and biotic factors driving the invasion, although few studies have examined all components together. Across a 6000-km2 area of the northern Great Basin, we conducted a field assessment of 100 climate, soil, and biotic (functional group abundances, diversity) factors at each of 90 sites that… CONTINUE READING
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