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  • Competition release and climate change effects on a moisture-demanding tree species in a dry system

    Creator:
    Seager, S. Trent
    Abstract:
    Climate change and the increase in meteorological drought have generated global concern over the persistence of ecosystems already in decline from decreased moisture. Evidence suggests dryland ecosystems have been more impacted by drought because of their tightly coupled growth-water relationships and high sensitivity to environmental shift. Removal of competing vegetation...
    Resource Type:
    Dissertation
    Full Text:
    AN ABSTRACT OF THE DISSERTATION OF S Trent Seager for the degree of Doctor of Philosophy in

  • Quaking aspen persistence in three Oregon landscapes

    Creator:
    Seager, S. Trent
    Abstract:
    Quaking aspen (Populus tremuloides) is an important tree species in the western United States and there has been much concern about its persistence. In this thesis, I report on aspen in a portion of its range that has not been previously evaluated: the eastern and western slopes of the Central...
    Resource Type:
    Masters Thesis
    Full Text:
    AN ABSTRACT OF THE THESIS OF S Trent Seager for