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Filtering by: Committee Member Youngberg, C. T. Remove constraint Committee Member: Youngberg, C. T. Subject Forest ecology Remove constraint Subject: Forest ecology

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  • Characterization of selected plant communities within the Tillamook Burn in northwestern Oregon

    Creator:
    Bailey, Arthur W.
    Abstract:
    A study was initiated in 1961 to characterize seral plant communities in a part of the Cedar Creek drainage in the Tillamook Burn. Stratification of vegetation into ecological units was a necessary first step in conifer-animal damage studies supported by the Oregon State Game Commission. Reconnaissance information was recorded in...
    Resource Type:
    Masters Thesis
    Full Text:
    members of my com­ mittee: Dr. D. W. Hedrick, Mr. L. W. Kuhn, and Dr. C. T. Youngberg. The writer is

  • Forest associations and secondary plant succession in the southern Oregon coastal range

    Creator:
    Bailey, Arthur Wesley, 1938-
    Abstract:
    Forest associations, secondary succession, and relationships of plant communities to Roosevelt elk were investigated. Stratification of vegetation into ecological units and an understanding of secondary succession by habitat-type were a necessary first step in investigations into browsing of conifers by elk. The study was jointly conducted by the Oregon State...
    Resource Type:
    Dissertation
    Full Text:
    , C. T. Youngberg, W. W. Chilcote, and H. J. Rayner. A special word of thanks is due Dr. C. T

  • Silvicultural impacts of sheep grazing in Oregon's Coast Range

    Creator:
    Leininger, Wayne C.
    Abstract:
    A three-year investigation was conducted during 1980-1982 to evaluate the potential of using herded sheep as a silvicultural tool to suppress brush in Douglas-fir (Pseudotsuga menziesii) plantations of Oregon's Coast Range. Sheep browsing of Douglas-fir was highest in May soon after bud break. Averaged over the 2 years of grazing,...
    Resource Type:
    Dissertation
    Full Text:
    of Gr to bcnool Date thesis is presented November 28, 1983 Typed by Dana Lynn Leininger for Wayne C