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Filtering by: Advisor McInnis, Michael L. Remove constraint Advisor: McInnis, Michael L. Academic Affiliation Rangeland Resources Remove constraint Academic Affiliation: Rangeland Resources

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  • Influence of ruminant digestive processes on germination of ingested seeds

    Creator:
    Lowry, Amaya A.
    Abstract:
    Managing cattle to disseminate seeds of desirable plants, or alternatively, to restrict weed seed contamination on rangelands is of interest to managers. Four experiments were conducted to determine effects of ruminant digestion on germination of ingested seeds. A number of plant species representing a variety of seed size and seed...
    Resource Type:
    Masters Thesis
    Full Text:
    Germination of Ingested Seeds. Abstract approved: Michael L. McInnis Managing cattle to disseminate seeds

  • The effects of defoliation on yellow starthistle (Centaurea solstitialis L.) reproductive capacity

    Creator:
    Schumacher, Stacy
    Abstract:
    Yellow starthistle (Centaurea solstitialis L.) is an introduced Asteraceae that has become established on 10 million acres in the Pacific Northwest and California. This weed functions as an annual or short-lived perennial and depends on seeds for reproduction. Strategies of control that reduce plant fitness or lower seed production or...
    Resource Type:
    Masters Thesis
    Full Text:
    on Yellow Starthistle (Centaurea soistitialis L.) Reproductive Capacity. Abstract approved Yellow

  • Describing the thermal regimes of two northeastern Oregon streams

    Creator:
    Raven, Sonja E.
    Abstract:
    Two tributaries of the south fork of the Burnt River, near Unity Oregon were studied during the summers of 2000 and 2001 to determine water heating and cooling patterns. Hourly temperature data were recorded for air, water, and soil parameters at four elevations 150m apart on Barney and Stevens Creeks....
    Resource Type:
    Masters Thesis
    Full Text:
    of Two Northeastern Oregon Streams Abstract approved: arson Michael M. Borman Two tributaries of