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This paper provides a decision framework that integrates fire regime components, plant growth form, and survival attributes to predict how plants will respond to fires and how fires can be prescribed to enhance the likelihood of obtaining desired plant responses.
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This study investigated downy brome and seeded species responses to variable rates of imazapic in two plant communities (salt desert shrub and Wyoming big sagebrush). Overall, imazapic was useful for helping establish desirable perennial species, but unless downy brome is reduced below a critical threshold, favorable precipitation can return sites to pretreatment levels within two years.
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This study describes a three-step process to reduce crested wheatgrass competition, introduce desired species, and manage to maintain desired species for use long term.
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This study used BehavePlus to model fire behavior in fuel breaks created by treating annual grasses with herbicides and releasing perennial bunch grasses. Flame height reductions of up to 90% were possible.
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This study evaluated bird occurrence on recently burned sites and found that of the 27 species evaluated, there was evidence for fire-induced changes in the proportion of sites occupied by 13 species. Of these, most were species that occurred at fewer sites after the fire than before. These changes were consistent with changes in vegetation composition, which included a decrease in the cover of conifer species and an increase in the cover of broadleaf species.
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This synthesis discusses that fire can be used to either control invasive species or to restore historical fire regimes. However, the decision to use fire as a management tool must consider the potential interrelationships between fire and invasive species. Historical fire regimes did not occur in the presence of many invasive plants that are currently widespread, and the use of fire may not be a feasible or appropriate management action if fire-tolerant invasive plants are present. The management of fire and invasive plants must be closely integrated for each to be managed effectively.
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This study highlights that vast areas of the arid shadscale zone have been rehabilitated through management, but direct plantings of both native and introduced species usually have failed. Future success will likely be with native plants, including shrubs, adapted to the particular site.
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