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Filtering by: Subject Enterobacteriaceae -- Oregon -- Benton County Remove constraint Subject: Enterobacteriaceae -- Oregon -- Benton County Degree Name Doctor of Philosophy (Ph.D.) Remove constraint Degree Name: Doctor of Philosophy (Ph.D.)

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  • The herpetology of Benton County, Oregon

    Creator:
    Storm, Robert M.
    Abstract:
    Prior to the present work, no detailed study had been made of the amphibians and reptiles inhabiting Benton County, Oregon. Very little has been published on the precise ranges, the habitat preferences, and the mode of life history of these animals as they are found in Benton County and adjacent...
    Resource Type:
    Dissertation

  • The effects of land use on stream nitrate concentrations : from the catchment scale to the regional scale

    Creator:
    Poor, Cara J.
    Abstract:
    This work furthers the understanding of processes occurring in catchments that affect stream nitrate concentrations using two different approaches: a temporally intensive case study of three headwater catchments with varying land use (through storm event monitoring) and a spatially intensive study on the regional scale (through statistical modeling) of 1st-4th...
    Resource Type:
    Dissertation
    Full Text:
    Oregon State University in partial fulfillment of the requirements for the degree of Doctor of

  • Development of predictive mapping techniques for soil survey and salinity mapping

    Creator:
    Elnaggar, Abdelhamid A.
    Abstract:
    Conventional soil maps represent a valuable source of information about soil characteristics, however they are subjective, very expensive, and time-consuming to prepare. Also, they do not include explicit information about the conceptual mental model used in developing them nor information about their accuracy, in addition to the error associated with...
    Resource Type:
    Dissertation
    Full Text:
    Page 2.1. Map symbols and names of SMUs in the study area of Benton County, Oregon and

  • Descriptive study of current practices of hazardous waste management among identified small quantity generators in Benton County

    Creator:
    Gebrewold, Fetene
    Abstract:
    Current evidence suggests that development and industrialization has engendered the manufacture and use of chemical products which may harm human health and degrade the environment. One of the most pressing environmental needs since World War II is perhaps the issue of how society either manages or mismanages hazardous wastes. The...
    Resource Type:
    Dissertation
    Full Text:
    Ex- empt Generators (CEG) in Benton County, Oregon. Study objectives included iden- tification of

  • Defining agricultural sustainability in the Marys River region of Oregon

    Creator:
    Stanton, Michael
    Abstract:
    This ethnographic study explores the social aspects of agricultural land-use in the Marys River region. The study seeks to understand how farmers define sustainability and how their views on agricultural issues help to define a sense of place and identity in the Marys River region, within the context of the...
    Resource Type:
    Dissertation
    Full Text:
    ................................................................ 106 Table 6: Change in Farms Numbers in Benton County Oregon................................ 117