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    Author(s): Matthew L. Brooks; Cynthia S. Brown; Jeanne C. Chambers; Carla M. D'Antonio; Jon E. Keeley; Jayne Belnap
    Date: 2016
    Source: In: Germino, Matthew J.; Chambers, Jeanne C.; Brown, Cynthia S, eds. 2016. Exotic brome-grasses in arid and semiarid ecosystems of the western US: Causes, consequences, and management implications. Springer: Series on Environmental Management. p. 11-60.
    Publication Series: Book Chapter
    Station: Rocky Mountain Research Station
    PDF: Download Publication  (1.0 MB)

    Description

    Exotic annual Bromus species are widely recognized for their potential to invade, dominate, and alter the structure and function of ecosystems. In this chapter, we summarize the invasion potential, ecosystem threats, and management strategies for different Bromus species within each of five ecoregions of the western United States. We characterize invasion potential and threats in terms of ecosystem resistance to Bromus invasion and ecosystem resilience to disturbance with an emphasis on the importance of fire regimes. We also explain how soil temperature and moisture regimes can be linked to patterns of resistance and resilience and provide a conceptual framework that can be used to evaluate the relative potential for invasion and ecological impact of the dominant exotic annual Bromus species in the western United States.

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    Citation

    Brooks, Matthew L.; Brown, Cynthia S.; Chambers, Jeanne C.; D'Antonio, Carla M.; Keeley, Jon E.; Belnap, Jayne. 2016. Exotic annual Bromus invasions: Comparisons among species and ecoregions in the western United States [Chapter 2]. In: Germino, Matthew J.; Chambers, Jeanne C.; Brown, Cynthia S, eds. 2016. Exotic brome-grasses in arid and semiarid ecosystems of the western US: Causes, consequences, and management implications. Springer: Series on Environmental Management. p. 11-60.

    Keywords

    fire, resilience, resistance, management, moisture regime, temperature regime

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