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Filtering by: Creator Svejcar, Tony J. Remove constraint Creator: Svejcar, Tony J. Advisor Miller, Richard F. Remove constraint Advisor: Miller, Richard F. Subject Steppe plants -- Ecology -- Oregon, Eastern Remove constraint Subject: Steppe plants -- Ecology -- Oregon, Eastern

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  • Seed bank response to juniper expansion in the semi-arid lands of Oregon, USA

    Creator:
    Duncan, Corinne M.
    Abstract:
    Expansion of Juniperus occidentalis into the sagebrush steppe has resulted in significant changes in understory composition. A consequence of increased J. occidentalis dominance may be a depletion of the seed bank. The potential for depletion is problematic because a reduction in the amount of species available from the seed bank...
    Resource Type:
    Masters Thesis
    Full Text:
    resulted in significant changes in understory composition. A consequence of increased J. occidentalis

  • Community analysis of the Wyoming big sagebrush alliance and functional role of Wyoming big sagebrush

    Creator:
    Davies, Kirk W.
    Abstract:
    This study consisted of two research projects in the Wyoming big sagebrush (Artemisia tridentata ssp. wyomingensis (Beetle & A. Young) S.L. Welsh) alliance, the most extensive of the big sagebrush complex in the Intermountain West. In the first project, we intensively sampled 107 relatively undisturbed, late seral Wyoming big sagebrush...
    Resource Type:
    Dissertation
    Full Text:
    Svejcar, and Felix Bell who all assisted with at least two field seasons of data collection. The