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  • Small RNA pathways in plants

    Creator:
    Montgomery, Taiowa A.
    Abstract:
    miRNA-guided cleavage initiates entry of primary transcripts into the trans-acting siRNA (tasiRNA) biogenesis pathway involving RNA-DEPENDENT RNA POLYMERASE6 (RDR6), DICER-LIKE 4 (DCL4), and SUPPRESSOR OF GENE SILENCING3 (SGS3). Arabidopsis thaliana TAS1 and TAS2 families yield tasiRNA that form through miR173- guided initiation cleavage on the 5’ side of the siRNA-generating...
    Resource Type:
    Dissertation
    Full Text:
    beautiful wife Brooke. CONTRIBUTION OF AUTHORS Chapter 1: Taiowa Montgomery and James Carrington

  • The effects of increased supply and emerging technologies in the forest products industry on rural communities in the northwest U.S.

    Creator:
    Crandall, Mindy S.
    Abstract:
    The development of a market for currently non-merchantable forest material, such as harvest residues of tops and limbs of trees or small diameter trees, has been suggested as a possible win-win solution that could: (i) provide a financial incentive to help motivate treatments to reduce wildfire risk or restore forest...
    Resource Type:
    Dissertation
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    . Abstract approved: ______________________________________________________ Claire A. Montgomery

  • Determining optimal timber harvest and fuel treatment on a fire-threatened landscape using approximate dynamic programming

    Creator:
    Lauer, Christopher Joseph
    Abstract:
    Forest management in the face of fire risk is a challenging problem because fire spreads across a landscape and because its occurrence is unpredictable. Additionally, management must be adjusted over time as unpredictable fire events are realized. Land managers have some control over the vegetation conditions that facilitate fire spread,...
    Resource Type:
    Dissertation
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    : ______________________________________________________ Claire A. Montgomery Forest management in the face of fire risk is a challenging

  • Wildfire risk management : strategic interaction and spatial interdependence

    Creator:
    Busby, Gwenlyn M.
    Abstract:
    In this dissertation, I examine how the spatial configuration of forest ownership influences the risk-mitigating behavior of public and private forestland owners over time. I determine whether or not the predicted equilibrium outcomes are socially optimal and, if not, whether the introduction of regulation, liability, or private insurance would lead...
    Resource Type:
    Dissertation
    Full Text:
    Heidi J. Albers Claire A. Montgomery In this dissertation, I examine how the

  • Optimizing spatial and temporal aspects of nature reserve design under economic and ecological objectives

    Creator:
    Nalle, Darek J.
    Abstract:
    Alteration of natural areas in attempts to support increasing human populations has been a crucial yet less publicized contributor to the fall of many of the world's greatest civilizations, since healthy ecosystems can help maintain stable societies and economies. Given this unhappy fact and the ancient relationship between people and...
    Resource Type:
    Dissertation
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    my co-major professors, Dr. Jeffrey Arthur and Dr. Claire Montgomery, for their countless hours of

  • Three essays on private landowners' response to incentives for carbon sequestration through forest management and afforestation

    Creator:
    Kim, Taeyoung
    Abstract:
    This dissertation consists of three essays on private landowners' response to incentives for carbon sequestration in forests. The first essay examines private landowner response to incentives for carbon sequestration through various combinations of intermediate management practices. The second essay focuses on agricultural landowners' willingness to participate in an incentive program...
    Resource Type:
    Dissertation
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    future. My appreciation goes to Andrew Plantinga, Claire Montgomery, and John Antle for offering

  • Marketing sophistication in the forest products industry

    Creator:
    Han, Xiaoou
    Abstract:
    In the forest products business and management literature, one common categorization of different types of innovation is product innovation, process innovation and business systems innovation. Forest products companies have long placed high emphasis on process innovations, which are related to yield maximization, manufacturing efficiency and operating costs reduction. This is...
    Resource Type:
    Dissertation
    Full Text:
    would like to extend my thankfulness to Dr. Scott Leavengood, Dr. Claire Montgomery, Dr. Dwaine Plaza

  • 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
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    approved: James C. Carrington RNA interference pathways can involve amplification of

  • Forb Community Response to Various Disturbances in the Pacific Northwest Bunchgrass Prairie

    Creator:
    Watson, Brogan L.
    Abstract:
    Observed declines in native pollinator species worldwide has generated concern and focused research into the disturbances, past and present, which may have contributed to these losses. In grasslands, for example, habitat degradation and fragmentation from historical and current crop production and livestock grazing has left only a few remnants of...
    Resource Type:
    Masters Thesis

  • The economics of carbon sequestration in western Oregon forests

    Creator:
    Im, Eun Ho
    Abstract:
    This study considered regional forest policies for sequestering carbon in existing forests in western Oregon. A model of log markets in western Oregon was employed to examine the impacts of forest policy changes on future carbon stock, harvests, and management activities. A carbon tax program, as a mitigation option for...
    Resource Type:
    Dissertation
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    , John Sessions, and Claire Montgomery, for developing and expanding my research ideas and allowing

  • Origins and evolution of plant microRNA genes

    Creator:
    Fahlgren, Noah
    Abstract:
    Eukaryotic small RNA (~20-30 nucleotides) are diverse regulatory molecules that repress gene expression at the transcriptional and post-transcriptional levels, defend hosts against invading viruses and defend genomes against selfish DNA elements. Small RNA populations are studied by high-throughput sequencing of the total small RNA fraction isolated from cells, however, the...
    Resource Type:
    Dissertation
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    approved: James C. Carrington Eukaryotic small RNA (~20-30 nucleotides) are diverse regulatory

  • Rapid evolution of post-transcriptionally regulated RESTORER OF FERTILITY-LIKE genes in the genus Arabidopsis

    Creator:
    Jogdeo, Sanjuro
    Abstract:
    The Pentatricopeptide Repeat (PPR) gene family produces RNA-binding proteins that target organellar transcripts. The PPR family is expanded in land plants, with nearly 450 genes identified in Arabidopsis thaliana. In plants with a Cytoplasmic Male Sterility (CMS) phenotype, members of the PPR family can act as a RESTORER OF FERTILITY...
    Resource Type:
    Masters Thesis
    Full Text:
    FERTILITY-LIKE Genes in the Genus Arabidopsis Abstract approved: James C

  • The Influence of Scale in a Structured Decision Making Framework for Chinook Salmon Management

    Creator:
    McDonnell, Kevin N.
    Abstract:
    The goal of my dissertation was to explore how scale influences stream restoration prioritization strategies for an anadromous species and identify influential uncertainties that exist at different scales. My objectives were to (1) produce a comprehensive review of the Chinook salmon management challenges in California’s Central Valley and identify the...
    Resource Type:
    Dissertation
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    . Abstract approved: ______________________________________________________ James T. Peterson The

  • Mechanical characterization and modeling of solder joints for the secondary side reflow of large IC packages

    Creator:
    Yutzie, James D.
    Abstract:
    As the drive continues to reduce the size of Printed Wiring Assemblies (PWAs), improve performance of electronic assemblies, and reduce costs of these products, reliable secondary (bottom) side reflow operations must be developed. Attaching Surface Mount Technology (SMT) components to the secondary side of a Printed Circuit Board (PCB) is...
    Resource Type:
    Masters Thesis
    Full Text:
    the secondary side reflow of large IC packages AN ABSTRACT OF THE THESIS OF James D. Yutzie for

  • Influence of spacing and crown recession on wood quality of intensively-managed young-growth Douglas-fir

    Creator:
    Robbins, James M.
    Abstract:
    Intensive management of young-growth Douglas-fir plantations has emphasized volume growth over wood quality. A better understanding of the variables that affect wood quality is needed so that wood quality and stand yield can be systematically combined into a silviculture program. This experiment utilized two separate experiments to establish the relationship...
    Resource Type:
    Masters Thesis
    Full Text:
    AN ABSTRACT OF THE THESIS OF James M. Robbins for the

  • Interfacial shear strength of wood-plastic composites

    Creator:
    Rogers, James F.
    Abstract:
    This study examined the relationship of interfacial shear strength (IFSS) and bending strength (MOR) of several different wood-plastic composites (WPC's). Plastics utilized were high-density polyethylene (HDPE) and polypropylene (PP). Pine and oak were used as the wood species. Compatibilizers used included maleicanhydride polyethylene (MAPE), polymeric methylene diphenyl diisocyanate (PMDI), KymeneTM,...
    Resource Type:
    Masters Thesis
    Full Text:
    AN ABSTRACT OF THE THESIS OF James F. Rogers for the degree of

  • 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
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    James C. Carrington RNA silencing pathways are required for a wide variety of processes in most

  • Determinants of Willingness to Pay for Forest Recreation Based on Payment Type Using Contingent Valuation: A Practical Application for Forest Managers

    Creator:
    Klee, Amanda
    Abstract:
    Previous studies have utilized different techniques (e.g., contingent valuation and travel cost methods) to understand users and non-users willingness to pay for natural resources, including their use of recreation areas. These techniques enable the calculation of public support, demand, and potential revenue that may influence future policy, conservation methods, land...
    Resource Type:
    Masters Thesis
    Full Text:
    James D. Kiser Previous studies have utilized different techniques (e.g., contingent valuation and

  • Synthesis of furanoeremophilane sesquiterpenoids

    Creator:
    Shanmugham, Meenakshi Sundaram
    Abstract:
    Two approaches to the tricyclic core of the furanoeremophilane sesquiterpenoids are described. The first approach entails a projected Diels-Alder/retro Diels-Alder reaction of an acetylenic oxazole 64. Construction of the pivotal aldehyde 67 commenced from ketone 68. The acetyenic moiety was then introduced via a Felkin-Ahn addition of lithiopropyne to aldehyde...
    Resource Type:
    Dissertation
    Full Text:
    FURANOEREMOPHILANE SESQUITERPENOIDS Abstract approved: James D. White Two approaches to the tricyclic core of the

  • Terahertz Imaging and Nonlinear Spectroscopy of Semiconductors using Plasmonic Devices

    Creator:
    Thompson, Zachary James
    Abstract:
    In this dissertation, a series of studies in the field of terahertz (THz) science are presented, specifically using nonlinear THz spectroscopy. We exploit huge field enhancement and subwavelength confinement in plasmonic structures. There are three distinct projects which will be discussed: nonlinear THz spectroscopy using plasmonic induced transparency (PIT), THz-triggered...
    Resource Type:
    Dissertation
    Full Text:
    Semiconductors using Plasmonic AN ABSTRACT OF THE DISSERTATION OF Zachary James Thompson for the degree of