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NAU - Working Paper 20: Controlling Cheatgrass in Ponderosa Pine and Pinyon-Juniper Restoration Areas

Cheatgrass (Bromus tectorum) is widespread throughout western North America and is a significant concern for land managers conducting restoration treatments in southwestern ponderosa pine and pinyon-juniper forests. It is common on a few restoration treatment areas in northern Arizona, on severely burned mature/old growth pinyon-juniper sites at Mesa Verde National Park in southwestern Colorado (Floyd et al. 2006), throughout wildfire areas in Zion National Park in southern Utah (U.S. National Park Service 2007), and on areas consumed by wildfire in northern Arizona (Sieg et al. 2003). There is concern that cheatgrass populations may expand further with an increase in the scale and frequency of restoration treatments in southwestern ponderosa pine and pinyon-juniper ecosystems (Pierson and Mack 1990b).
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