Field Guide
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This guide is based on vegetation and fuels data collected by Sagebrush Steppe Treatment Evaluation Project (SageSTEP) researchers at study sites in six states throughout the Great Basin for two years prior to implementing land management treatments. It is divided into four sub-guides (one sagebrush and three woodland) based on regional differences in site physiognomy and ecology: sagebrush steppe, pinyon-juniper, Utah juniper, and western juniper.
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This field guide is designed to help identify some of the common noxious and invasive weed species that are currently threatening Utah and have been identified on Utah’s state weed list.
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This field guide provides substantial evidence that pinon-juniper woodlands have experienced major expansion in their distribution since the late 1800s by encroaching into surrounding landscapes once dominated by shrubs and herbaceous vegetation. Both infilling and expansion affects soil resources, plant community structure and composition, water and nutrient cycles, forage production, wildlife habitat, biodiversity, and fire patterns across the landscape. Another impact is the shift from historic fire regimes to larger and more intense wildfires that are increasingly determining the future of this landscape.
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