Mapped risk of displacement by pinyon-juniper

Estimated risk of pinyon-juniper displacement of sagebrush in the Great Basin Ecoregion. Levels of risk of sagebrush displacement are mapped in relation to all sagebrush cover types in the three ecological provinces in which the model was applied: Central High, High Calcareous, and Bonneville. Areas not considered to be at risk are land cover types other than sagebrush and are depicted in white (from Wisdom and others 2005a). Risk of woodland displacement of sagebrush is depicted by a color map, with each of three risk classes displayed. About a third of the total area modeled is at high risk, with about 60% at low risk. The risk map is heterogeneous, with no clear area dominated by any one risk class.