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  • Persistence of spatial distribution patterns of coastal cutthroat trout in a Cascade mountain stream

    Creator:
    Novick, Marc S.
    Abstract:
    Previous research in South Fork Hinkle Creek suggested that coastal cutthroat trout exhibit an aggregated spatial pattern across multiple spatial scales. To evaluate the persistence of the observed abundance patterns and identify factors that affect those patterns, half-duplex passive integrated transponders (PIT-tags) were implanted in 320 coastal cutthroat trout (>...
    Resource Type:
    Masters Thesis
    Full Text:
    stream locations. Lastly, thanks to Noah Adams and John Beeman of the USGS, Columbia River Research

  • Endogenous and antiviral RNA silencing pathways in Arabidopsis

    Creator:
    Chapman, Elisabeth J.
    Abstract:
    RNA silencing pathways are required for a wide variety of processes in most eucaryotes. In plants, small-interfering RNA (siRNA) arising from transposons and other repetitive sequences is associated with heterochromatin formation and maintenance. MicroRNAs and trans-acting siRNAs encoded at discrete loci function as negative regulators of gene expression by triggering...
    Resource Type:
    Dissertation
    Full Text:
    Chapter 3. Noah Fahlgren assisted with small RNA library construction in Chapter 4. Noah Fahlgren

  • The Graham Model of bibliosupervision : A multiple-baseline analysis

    Creator:
    Gauntz, Mary
    Abstract:
    This dissertation presents the Graham Model of Bibliosupervision (GMB). The purpose of this study is to examine the efficacy of the GMB and its influence on the supervisory working alliance. Specifically this study examines the effectiveness of a non-linear approach to counselor supervision that employs children’s literature as part of...
    Resource Type:
    Dissertation
    Full Text:
    children. Finally, to my two children Hannah and Noah Gauntz who showed extraordinary patience with me

  • The fracture toughness of medium density fiberboard and other fiber bridging composites

    Creator:
    Matsumoto, Noah T.
    Abstract:
    In many composites, fiber bridging develops as part of the fracture process. Fiber bridging invalidates many toughness evaluation methods such as the ASTM E399 and complicates the identification of crack length, which is a necessary parameter in energy methods. In order to measure the toughness of fiber bridging composites, an...
    Resource Type:
    Masters Thesis
    Full Text:
    AN ABSTRACT OF THE THESIS OF Noah T. Matsumoto for the degree of Master of Science in

  • Comparing lifespan and life course perspectives on combat exposure and PTSD symptoms in later life : findings from the normative aging study

    Creator:
    Kang, Sungrok
    Abstract:
    We examined how the experiences of World War II and Korean War veterans, including prewar, warzone, and postwar factors, affected PTSD symptoms in later life. This dissertation consists of two studies. In Study 1, four different hypotheses from a lifespan approach were examined (King et al., 1996): stress evaporation (only...
    Resource Type:
    Dissertation
    Full Text:
    , warzone, and postwar factors (King, King, Faibank, Keane, & Adams, 1998; King, King, Foy, & Gudanowski

  • Processing effects on the ductility of chromium-vanadium alloys

    Creator:
    Murdock, Hailey M.
    Abstract:
    The next generation of high temperature structural alloys must exhibit exceptional resistance to fracture, creep, oxidation, and fatigue at high temperatures. Chromium is being considered due to its high melting point (>1800°C), relatively low density (~7.2 g/cc), high temperature strength, and oxidation resistance. Limiting the use of chromium is its...
    Resource Type:
    Masters Thesis
    Full Text:
    Chromium (99.99%), Vanadium (99.8%) and Yttrium (99.9%) powders; Atlantic Equipment Engineers, Noah

  • Passive sampling devices as biological surrogates for evaluating seasonal bioavailability of hydrophobic organic contaminants in surface water

    Creator:
    Sethajintanin, Doolalai
    Abstract:
    The seasonal distribution of bioavailable organochiorine contaminants in surface water and the potential environmental factors influencing their bioavailability were evaluated. The study was carried at the lower Willamette River at Portland Harbor, Oregon where surface water runoff varied according to season. Bioavailable water concentrations of DDTs and PCBs were determined...
    Resource Type:
    Dissertation
    Full Text:
    , Bobby Loper, Solyssa Visalli, Gregory Sower, Jennifer Basile, Roger Adams, Angela Perez, Oraphin

  • Processing and functional diversity of plant microRNA

    Creator:
    Cuperus, Josh
    Abstract:
    RNA interference pathways can involve amplification of secondary siRNAs by RNA-dependent RNA polymerases. In plants, RDR6-dependent secondary siRNAs, including transacting siRNAs (tasiRNAs), arise from transcripts targeted by some microRNAs (miRNAs). In the case of TAS3 tasiRNA formation, ARGONAUTE7 (AGO7)-miR390 complexes interact with primary transcripts at two sites, resulting in recruitment...
    Resource Type:
    Dissertation
    Full Text:
    , Atsushi Takeda, and Taiowa Montgomery for guidance; Chris Sullivan and Noah Fahlgren for computational

  • Quantification of vegetation diversity and variation on intact and degraded rangelands

    Creator:
    Dysart, Patricia L.
    Abstract:
    Vegetation diversity in the Wyoming big sagebrush/Thurber needlegrass (Artemisia tridentata Nutt. ssp. wyomingensis Beetle & Young/Achnatherum thurberianum (Piper) Barkworth. syn. Stipa thurberiana Piper) plant association was studied across a condition class gradient in southeastern Oregon. All observable vascular plant species were counted during 6 seasons and 2 years and diversity...
    Resource Type:
    Dissertation
    Full Text:
    tropical rainforest blocks the American, the Asian, and the African (Ojo and Ola-Adams 1996). As noted by

  • Investigation of a hybrid quasi-diffusion/Monte Carlo method for solving multigroup criticality problems in slab geometry

    Creator:
    Robinson, Bethany R.
    Abstract:
    A hybrid Quasi-diffusion/Monte Carlo Method for solving multigroup criticality problems in slab geometry was investigated. Analog Monte Carlo was used to calculate functionals (Eddington Factors) that were then used in solution of the quasi-diffusion equations. The hybrid method was shown to accurately and precisely predict the k-eigenvalue and fission source...
    Resource Type:
    Masters Thesis
    Full Text:
    amazing study partners. I would like to thank my brother Noah for his encouragement and help with