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Filtering by: Creator Randall, Andrea Remove constraint Creator: Randall, Andrea Advisor Borman, Michael M. Remove constraint Advisor: Borman, Michael M.

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  • Assessment of impacts of Canada geese on wheat production

    Creator:
    Louhaichi, Mounir
    Abstract:
    Numbers of wild Canada geese (Branta canadensis) have increased dramatically during the past 30 years in the lower Columbia and Willamette Valley systems. The damage they cause by grazing and trampling plants can be substantial. The objectives of this research were to: 1) Develop methods that provide reliable estimates of...
    Resource Type:
    Masters Thesis
    Full Text:
    , Cindy Meays and Andrea Laliberte. I would like to acknowledge the Oregon Farm Bureau (Oregon

  • Methods to assess factors that influence grass seed yield

    Creator:
    Louhaichi, Mounir
    Abstract:
    A greater than 10-fold increase in Canada goose (Branta canadensis) populations over the past several years has resulted in concerns over grazing impacts on grass seed production in the mid-Willamette Valley, Oregon. This study was designed to develop methods to quantify and statistically analyze goose-grazing impacts on seed yields of...
    Resource Type:
    Dissertation
    Full Text:
    , Andrew Yost, and Andrea Laliberte. I would like to acknowledge the United States Fish and Wildlife