Search Constraints

Start Over
Filtering by: Subject Populus tremuloides -- Seedlings -- Effect of browsing on -- Oregon Remove constraint Subject: Populus tremuloides -- Seedlings -- Effect of browsing on -- Oregon Committee Member Vavra, Marty Remove constraint Committee Member: Vavra, Marty Subject Populus tremuloides -- Oregon -- Geographical distribution Remove constraint Subject: Populus tremuloides -- Oregon -- Geographical distribution

Search Results

  • 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:
    range on the east and west slopes of the Oregon Cascades and in the Willamette Valley. A scientific