Index Catalog // ScholarsArchive@OSU

Zooplankton of the Galapagos Islands

Creator:: Figueroa, Diego
Abstract:: The marine climate of the Galapagos is spatially and seasonally heterogeneous. A taxonomically comprehensive study of Galapagos zooplankton has never been done. This study is an initial effort to establish the distribution and community structure of zooplankton in the Archipelago. I collected zooplankton samples by vertical tows over the Galapagos...
Resource Type:: Dissertation
Full Text:: THESIS OF Diego Francisco Figueroa for the degree of Doctor of Philosophy in Oceanography

Distribution and abundance of coastal fish and macro-invertebrates in the Galapagos Islands

Creator:: Figueroa, Diego
Abstract:: The Galapagos Islands, located off the coast of Ecuador, have a spatially diverse marine environment suitable for a variety of species with different climatic requirements. A year-long inventory program was carried out in 2000-2001 to provide baseline data on the abundances and distribution of coastal fish and macro-invertebrates. The purposes...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Diego Figueroa for the degree of

Using Biodiversity Distribution Data to Support Landscape Conservation and Management in Colombia

Creator:: Zárrate-Charry, Diego A.
Abstract:: Global biodiversity decline is primarily driven by habitat loss. Deforestation, the primary driver of terrestrial habitat loss, is increasing worldwide, with the most significant impact in the world biodiversity hotspots. Sadly, specific knowledge of such impacts in biodiversity-rich but data-poor countries are still unknown, and many national and regional narratives...
Resource Type:: Dissertation
Full Text:: OF Diego A. Zárrate Charry for the degree of Doctor of Philosophy in Forest Ecosystems and

Evaluating climate change induced coastal flood impacts to San Diego Bay Naval Infrastructure - a hybrid statistical dynamical modeling approach

Creator:: Anderson, Tyler P.
Abstract:: This study utilizes probabilistic surrogate modeling techniques around San Diego Bay with an emphasis on naval infrastructure and operations to evaluate the impact of five global mean sea level rise scenarios (GMSLR). Spatially continuous total water levels (TWLs) are combined with a digital elevation model (DEM) of the region to...
Resource Type:: Capstone Project
Full Text:: . Title: Evaluating climate change induced coastal flood impacts to San Diego Bay Naval Infrastructure

Age-related alterations in transcriptional regulation of hepatic glutathione synthesis : remediation by R-alpha-lipoic acid

Creator:: Shenvi, Swapna V.
Abstract:: Glutathione (GSH) is the predominant low molecular weight thiol antioxidant in liver tissue. GSH plays an important role in maintaining the intracellular thiol redox ratio as well as detoxification of electrophiles and xenobiotics. Aging leads to a significant decline (35%; P ≤ 0.05) in hepatocellular GSH levels. Using young (2-4...
Resource Type:: Dissertation
Full Text:: Regulation of Hepatic Glutathione Synthesis: Remediation by R-Alpha-Lipoic Acid Abstract approved

Effects of Feeding OmniGen-AF® on Superovulatory Response in Donor Beef Cows

Creator:: Snider, Alexandria P.
Abstract:: One assisted reproductive tool used to propagate highly desirable genetics from elite sire and dam matings is embryo transfer. Superovulation is the first part of the overall protocol and it is a required yet costly and biologically stressful procedure in cattle embryo transfer. The process of superovulation results in high...
Resource Type:: Dissertation
Full Text:: Abstract approved: ______________________________________________________ Alfred R. Menino Jr

Sensitivity and Partitioning in Remote Sensing Based Evapotranspiration Models

Creator:: Talsma, Carl J.
Abstract:: Satellite Based evapotranspiration (ET) models have become a dominant means to estimate large-scale surface fluxes of water. Global and regional ET estimates are important parameters in many climate forecasts and hydrologic models. However, large scale partitioning of ET into soil evaporation, transpiration, and canopy interceptions remains largely unknown and modeled...
Resource Type:: Masters Thesis
Full Text:: throughout the editing and analysis process of the first manuscript. Diego Miralles aided in the revisions

Seismic performance and collapse assessments of reinforced concrete lateral- force resisting systems

Creator:: Buniya, Mustafa Kamil
Abstract:: Nonlinear response history analysis (NRHA) is increasingly becoming more accessible and prevalent in research and practice. As the accuracy of the NRHA results depends on the ground motion characteristics and the robustness of the numerical model, research has focused on the development of guidance for performance-based seismic design and assessment...
Resource Type:: Dissertation
Full Text:: : _____________________________________________________________________ Andre R. Barbosa Barbara

Evaluation of Materials for Use in Open-Cycle Magnetohydrodynamic Power Generation

Creator:: Bowen, Michael S.
Abstract:: Recent interest in oxy-fuel combustion for carbon capture, as well as advancements in technologies such as magnetics, materials, and computational modeling has sparked renewed interest in magnetohydrodynamic (MHD) power generation. The increased temperatures of oxy-fuel combustion versus air-fuel combustion poses a challenge in the selection of materials for plasma exposed...
Resource Type:: Masters Thesis

Inhibition of Clostridium perfringens spore growth by synergistic effects of different antimicrobials

Creator:: Alhabeeb, Rabiaa
Abstract:: Clostridium perfringens is a spore-forming anaerobic organism that is commonly present in fresh meat and poultry. The organism's spores can survive a range of food processing methods. C. perfringens type F isolates are the causative agents of C. perfringens type F food poisoning (FP) and non-food borne (NFB) human gastrointestinal...
Resource Type:: Masters Thesis
Full Text:: Abstract approved: ______________________________________________________ Mahfuzur R. Sarker

Membrane-type matrix metalloproteinase and inhibitor expression in sheep embryos and uterus

Creator:: Paul, Katy Beth
Abstract:: Expression of membrane-type matrix metalloproteinases (MT) and tissue inhibitors of matrix metalloproteinases (TIMP) was evaluated in sheep embryos and uterus during the pre- and peri-implantation periods. Embryos and uterine samples were surgically collected from ewes on days 9, 11, 13, and 15 of pregnancy (n=3 ewes/day) and of the estrous...
Resource Type:: Masters Thesis
Full Text:: Metalloproteinase and Inhibitor Expression in Sheep Embryos and Uterus. Approved: Alfred R. Menino Jr

Diversity and Evolution of Sexual Traits in Ground Beetles (Family Carabidae)

Creator:: Gomez, R. Antonio
Abstract:: Biologists have long been fascinated with reproductive traits, in part because they are frequently exaggerated or showy, and they commonly vary among closely related species. Exaggerated sexual traits, in particular, have been the focus of intense empirical and theoretical research, but most of this work has focused on traits involved...
Resource Type:: Dissertation
Full Text:: DISSERTATION OF R. Antonio Gomez for the degree of Doctor of Philosophy in Integrative Biology presented

Mechanisms that influence the posttranslational modification of the GluN2B subunit in the aged brain

Creator:: Zamzow, Daniel R.
Abstract:: Memory is essential to everyday life. As we age, deficits in memory become apparent. The toll of age-related cognitive impairment can be devastating to families and costly to society. The NMDA receptor is a molecule in the brain that is instrumental in the formation of memories. The receptor is particularly...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISERTATION OF Daniel R

The Behavioral Responses of Western Toad (Anaxyrus boreas) Larvae to Simultaneous Stressors

Creator:: Reynolds, Emily R.
Abstract:: Animals can be naturally exposed simultaneously to multiple stressors. These include habitat changes, contaminants, diseases, invasive species, parasitism, and predation. Exposure to various combinations of biotic and abiotic stressors may induce behavioral changes that affect the way an individual interacts within its environment.Like other groups of organisms, amphibians are exposed...
Resource Type:: Masters Thesis
Full Text:: ABSTRACT OF THE THESIS OF Emily R. Reynolds for the degree of Master of Science in Integrative

Social calling behavior of Southeast Alaskan humpback whales (Megaptera novaeangliae) : classification and context

Creator:: Fournet, Michelle Elizabeth Hardy
Abstract:: Humpback whales (Megaptera novaeangliae) are vocal baleen whales that exhibit complex social interactions that vary spatially and seasonally. Across their range, humpback whales produce a wide array of vocalizations including ‘song’, foraging vocalizations, and a range of vocalizations known as social calls -- unclassified non-song vocalizations. This study investigates the...
Resource Type:: Masters Thesis
Full Text:: : ____________________________________________________________________ Andrew R. Szabo Humpback whales (Megaptera novaeangliae) are vocal baleen whales that

The effects of enhanced expression of the GluN2B (NR2B) subunit of the N-methyl-D-aspartate (NMDA) receptor on memory in aged animals

Creator:: Brim, Brenna L.
Abstract:: As the aging population continues to grow worldwide, age-related complications are becoming more apparent within the aging population. One of the first age-related complications to become apparent is age-associated memory impairment and it can make the elderly more dependent on caregivers early on. The N-methyl-D-aspartate (NMDA) receptor is important to...
Resource Type:: Dissertation
Full Text:: Kathy R. Magnusson As the aging population continues to grow worldwide, age-related complications

Influence of aging and behavioral experience on expression of GluN1 splice variants of the NMDA receptor in prefrontal cortex of mice brain

Creator:: Das, Siba Ranjan
Abstract:: As the aging population continues to grow the world over, age related complications become more and more apparent among the elderly population. One such complication is age associated memory impairment, which makes the elderly more dependent on caregivers early on. NMDA receptors in the brain are important for memory formation,...
Resource Type:: Dissertation
Full Text:: : _____________________________________________________________________ Kathy R. Magnusson As the aging population continues to grow the world over, age related

Chlordecone (CD), a mixed steroid X receptor (SXR) and estrogen receptor alpha(ERα) agonist, altered hepatic cholesterol (CH) homeostasis and lipoprotein metabolism

Creator:: Lee, Junga
Abstract:: Overtly non-toxic doses of organochlorine (OC) insecticides perturb lipid homeostasis in mice and rats. To increase understanding of how chlordecone (CD), an OC insecticide, modulates cholesterol (CH) homeostasis, we determined the effect of CD pretreatment on the tissue and hepatic subcellular distribution of exogenous [¹⁴C]CH. Corn oil alone or CD...
Resource Type:: Dissertation
Full Text:: approved: Lawrence R. Curtis

Identification of Endogenous and Exogenous Pararetroviruses in Red Raspberry (Rubus idaeus L.) and Blueberry (Vaccinium corymbosum L.)

Creator:: Diaz Lara, Alfredo
Abstract:: The Pacific Northwest (Oregon and Washington in the United States and British Columbia in Canada) is one of the major producers of red raspberry (Rubus idaeus L.) and blueberry (Vaccinium corymbosum L.) in the world. The expansion of growing area with these crops has resulted in the emergence of new...
Resource Type:: Dissertation
Full Text:: : ______________________________________________________ Robert R. Martin The Pacific Northwest (Oregon and Washington in the

Laboratory investigations of the natural fluorescence of marine phytoplankton

Creator:: Laney, Samuel R.
Abstract:: The influence of nitrate availability and irradiance on phytoplankton natural fluorescence was investigated in laboratory cultures of the marine diatom Thalassiosira weissflogii (Bacillariophyceae). Two cultures of phytoplankton, differing only in the nitrate-limited growth rate, were compared to learn how increases in irradiance influences natural fluorescence. Instrumentation was developed for these...
Resource Type:: Masters Thesis
Full Text:: R. Laney for the degree of Master of Science in Oceanography presented on August 25, 2000. Title

Development of a multi-parent advanced generation inter-cross (MAGIC) population and analysis of a nested association mapping (NAM) population for improvement of genetic resistance to white mold in snap bean

Creator:: Ağır, Ahmet R.
Abstract:: Common bean (Phaseolus vulgaris L.) comes in a huge assortment of fresh and dried varieties, including snap beans, kidney beans, and pinto beans. Together, these and other market classes provide a third of the daily dietary protein in some cultures, particularly in Africa, Asia, and developing nations in the Americas....
Resource Type:: Masters Thesis
Full Text:: approved: _____________________________________________________________________ James R. Myers

Sub-threshold effects on the perceived intensity of recognizable odorants : the roles of functional groups and carbon chain lengths

Creator:: Lopetcharat, Kannapon
Abstract:: Sub-threshold effects were studied in binary and tertiary mixtures comprising a panel-recognition-concentration odorant and sub-threshold odorant(s). Sub-threshold condition was maintained by controlling the sub-threshold concentration as percentages of subjects' individual detection threshold. The perceived intensities (overall intensity and several descriptors) of recognizable odorants were rated using magnitude estimation. Sub-threshold suppression...
Resource Type:: Dissertation
Full Text:: Groups and Carbon Chain Lengths. Abstract approy^d: Mina R. McDaniel Sub-threshold effects were

Identification of Viruses Associated with Raspberry Leaf Curl Disease

Creator:: Guzman Martinez, Melinda
Abstract:: Raspberries are an important commodity worldwide, with the United States (U.S.) leading fourth in global production in 2017. An important factor when shipping propagated Rubus across the globe is the security of clean plant material verified through pathogen detection methods which is vital in preventing disease spread. A raspberry virus...
Resource Type:: Masters Thesis
Full Text:: . Abstract approved: _____________________________________________________ Robert R. Martin

Sensory changes in high pressure processed vs. heat processed food systems over time

Creator:: Rodakowski, Andrea M.
Abstract:: This study was undertaken to determine the sensory differences in high pressure vs. heat processed food systems after storage at ambient and refrigerated temperatures as determined by a trained sensory panel. Spanish rice and spaghetti with meat sauce were prepared and treated with heat and with high pressure processing (HHP)....
Resource Type:: Masters Thesis
Full Text:: approved: ,. Mina R. McDaniel This study was undertaken to determine the sensory differences in high

Evaluation of carotenoids and anthocyanins in high pigment, processing, heirloom and anthocyanin fruit tomatoes

Creator:: Jones, Carl M.
Resource Type:: Masters Thesis
Full Text:: Anthocyanins in High Pigment, Processing, Heirloom and Anthocyanin Fruit Tomatoes. Abstract approved: (/r/ri

Diversity and composition of mammal and bird communities in northern Pantanal, Brazil

Creator:: Coe, Lauren E.
Abstract:: The Pantanal is one of the largest wetlands in the world, covering 195,000 km2 across Brazil, Bolivia and Paraguay. It has a unique annual flooding regime with the majority of land being completely inundated during the wet season, which provides important habitat for threatened species such as jaguars (Panthera onca)...
Resource Type:: Honors College Thesis
Full Text:: well for teaching me how to use R and answering my endless emails. I also want to recognize Dr

Evaluation of Methods for Applying Phosphorus, Potassium, and Boron Fertilizers in Northern Highbush Blueberry (Vaccinium corymbosum L.)

Creator:: Leon-Chang, David P.
Abstract:: Previous studies indicated that fertigating with nitrogen (N) was more effective than using granular N fertilizers in production of northern highbush blueberry (Vaccinium corymbosum L.). To build on these findings, four studies were conducted in western Oregon to determine whether fertigation was also an effective method for applying other nutrients,...
Resource Type:: Dissertation
Full Text:: : _________________________________________________________ David R. Bryla Previous studies indicated that fertigating with nitrogen (N) was more

Complexity in host-pathogen dynamics : dispersal uncertainties, metapopulation persistence and the role of a changing climate

Creator:: Xie, Yang
Abstract:: Emerging infectious diseases impact both human and wildlife populations. Infectious agents, in particular the aquatic fungus Batrachochytrium dendrobatidis (chytrid), have an influential role in driving global amphibian population declines. The emergence of the chytrid fungus has aspects of both geographic spread as well as climate shifts altering environmental conditions and...
Resource Type:: Dissertation
Full Text:: Abstract approved: _____________________________________________________________________ Andrew R

Evolutionary Dynamics of Genomes and Endosymbionts in Plant-Parasitic Nematodes

Creator:: Wasala, Wasala Mudiyanselage Sulochana K.
Abstract:: Plant-parasitic nematodes cause more than US $100 billion in annual agriculture loss worldwide. Thorough knowledge of their genetic diversity, and interactions with endosymbionts and environment have the potential to provide valuable insights into the basic biology of these animals, and assist future efforts aimed at management of these plant parasites....
Resource Type:: Dissertation
Full Text:: : ___________________________________________________________ Dee R. Denver Plant-parasitic nematodes cause more than US $100 billion in annual

Non-Chemical Approaches to Managing Annual Bluegrass (Poa annua L.)

Creator:: Cain, Alyssa B.
Abstract:: Annual bluegrass (Poa annua L.) is a prolific annual grassy weed that can be found worldwide in most landscapes. Known for its ability to produce seedhead at low heights (0.32 cm), thrive in over-maintained areas, and germinate anywhere, annual bluegrass is a highly invasive weed. Due to annual bluegrass’ persistence,...
Resource Type:: Masters Thesis
Full Text:: : ____________________________________________________________________ Alec R. Kowalewski Annual bluegrass (Poa annua L.) is a prolific annual grassy weed that can

On the Flow-Induced Vibration of Solitary Wire-Wrapped Cylinders in Axial Flow

Creator:: Nixon, Chad A.
Abstract:: Vibration of nuclear power plant components can cause fretting wear and fatigue that can eventually lead to component failure. Flexible, high-aspect ratio components under flow, such as the wire-wrapped cylindrical fuel elements in a liquid metal-cooled fast reactor (LMFR) core, are particularly susceptible to vibration due to their low natural...
Resource Type:: Dissertation
Full Text:: . Abstract approved: ______________________________________________________ Wade R. Marcum

Assessing mechanisms of immunotoxicity for polycyclic aromatic hydrocarbons in rainbow trout (Oncorhynchus mykiss)

Creator:: Bravo, Claudia F.
Abstract:: During the past 30 years, numerous studies have focused on the toxicities of polycyclic aromatic hydrocarbons (PAH). Laboratory and field studies have helped elucidate the detrimental effects of these chemicals on growth, reproduction and immune response. Polycyclic aromatic hydrocarbons are in the priority list of chemicals to be studied by...
Resource Type:: Dissertation
Full Text:: ) Abstract approved: Lawrence R. Curtis During the past 30 years, numerous studies have focused on the

Baroclinic eddies in the Martian atmosphere : a general circulation model study

Creator:: Matheson, Mark
Abstract:: A variety of general circulation model experiments are performed to investigate the influence of seasonality and topography on the strength of baroclinic eddies in the Martian atmosphere. Three different models are used: a full physics model, a simplified physics model, and a zonally symmetric simplified physics model. All three models...
Resource Type:: Masters Thesis
Full Text:: equation (given here with a temperature gradient only in the y direction) au R(aT"\ainpJ (1.1) where u

Testing and Modeling of a Cross-Laminated Timber Pier-and-Spandrel Seismic Retrofit Solution for Unreinforced Masonry Buildings

Creator:: Engleson, Renee M.
Abstract:: Cross-laminated timber (CLT) is an attractive building material because it is renewable, promotes fast installation, and possesses a high strength-to-weight ratio. The use of CLT in seismic applications has become increasingly common with the development of post-tensioned CLT rocking wall lateral force resisting systems (LFRS). The CLT pier-and-spandrel system designed,...
Resource Type:: Masters Thesis
Full Text:: : ______________________________________________________ Andre R. Barbosa Cross-laminated timber (CLT) is an attractive building material

Cannabidiol Effects on NMDA and AMPA Receptor Activity and Cognitive Function at a High Dose in 5xFAD Mice

Creator:: Sackinger, Emily P.
Abstract:: Alzheimer’s Disease (AD) is an abnormal part of aging that mainly affects those over the age of 65. The current therapies are only FDA approved for mild to moderate AD symptoms. Cannabidiol (CBD) is a non-intoxicating constituent of Cannabis sativa that has been shown to have beneficial effects on cancer,...
Resource Type:: Masters Thesis
Full Text:: Abstract approved: ______________________________________________________ Kathy R. Magnusson

Suppression of Microdochium Patch on Annual Bluegrass Putting Greens using Iron Sulfate, Phosphorous Acid, Sulfur, and Mineral Oil

Creator:: Mattox, Clint M.
Abstract:: Managing Microdochium patch on intensively manicured annual bluegrass putting greens is a challenge for turfgrass professionals in cool-humid climates similar to the Pacific Northwest. Fungicides are the predominant means to mitigate damage caused by this fungal pathogen, however pesticide restrictions are making it even more challenging to suppress Microdochium patch....
Resource Type:: Dissertation
Full Text:: : ______________________________________________________ Alec R. Kowalewski Managing Microdochium patch on intensively manicured annual

A simulation tool for evaluating sensory data analysis methods

Creator:: Naini, Shuo
Abstract:: In cross-cultural studies, respondents from specific cultures may have different product preferences and scale usage. Combining data from different cultures will result in departures from the basic assumptions of analysis of variance (ANOVA) and loss of power in testing capability of finding product and culture differences. However, the result of...
Resource Type:: Masters Thesis
Full Text:: Simulation Tool for Evaluating Sensory Data Analysis Methods. Abstract approved: . 7 . , Mina R

Understanding aroma impacts of four important volatile sulfur compounds in Oregon Pinot noir wines

Creator:: Tsai, I-Min
Abstract:: Sensory properties of four important volatile sulfur compounds, dimethyl disulfide (DMDS), diethyl disulfide (DEDS), methanethiol (MeSH) and ethanethiol (EtSH), were determined in base Oregon Pinot noir wine in order to understand their impacts on wine aroma. Detection thresholds of these four compounds in base wine were determined first. All four...
Resource Type:: Dissertation
Full Text:: : Mina R. McDaniel Sensory properties of four important volatile sulfur compounds, dimethyl disulfide

The Effects of Host and Pathogen Variation on Infection Dynamics in the Amphibian-Chytrid System

Creator:: Dang, Trang D.
Abstract:: This dissertation uses manipulative experiments to explore amphibian-Bd infection dynamics. Although there has been almost two decades research since the discovery of Bd, many questions still remain regarding what conditions mediate chytridiomycosis virulence. My research shows how certain host and pathogen factors can influence disease virulence. Identifying how host and...
Resource Type:: Dissertation
Full Text:: : ______________________________________________________ Andrew R. Blaustein This dissertation uses manipulative experiments to explore

Indirect effects of ultraviolet-B radiation on larval amphibians as mediated by food quality and trophic interactions

Creator:: Scheessele, Erin A.
Abstract:: Ultraviolet-B radiation (UVB) is an abiotic stressor in both terrestrial and aquatic systems. The stratospheric ozone layer, depleted due to anthropogenic activities and the cause of elevated UVB at earth's surface over the last four decades, is predicted to recover by 2065. However, UVB levels in aquatic systems may continue...
Resource Type:: Dissertation
Full Text:: Food Quality and Trophic Interactions Abstract approved: Andrew R. Blaustein

The Role of Submesoscale Features in Transporting Heat and Salt Across Ocean Fronts

Creator:: Sanchez-Rios, Alejandra
Abstract:: The focus of this dissertation is the analysis of submesoscale and finescale features measured at oceanic fronts and the role they play in the transport of heat and salt. Two different geographical areas were used to analyze this transport: one, an area on the western side of the North Atlantic...
Resource Type:: Dissertation
Full Text:: Fronts Abstract approved: R. Kipp Shearman The focus of this dissertation is the analysis of

Effects of Biochar and Nitrogen-Enriched Soil Amendments on Plant Growth, Mineral Nutrition, and Early Fruit Production in Highbush Blueberry (Vaccinium sp.)

Creator:: Sales, Bryan K.
Abstract:: The goal of the work in this dissertation was to identify alternative soil amendments to improve plant growth and yield during establishment of highbush blueberry (Vaccinium hybrid). Woody materials, such as sawdust and wood chips, have a high carbon to nitrogen (C:N) ratio and low water holding capacity, which can...
Resource Type:: Dissertation
Full Text:: .) Abstract approved: ______________________________________________________ David R. Bryla The goal

Characterization, epidemiology, and ecology of a virus associated with black raspberry decline

Creator:: Halgren, Anne B.
Abstract:: The objective of this study was to characterize an unknown agent associated with decline in black raspberry (Rubus occidentalis) in Oregon. A virus was found consistently associated with decline symptoms of black raspberries and was named Black raspberry decline associated virus (BRDaV). Double stranded RNA extraction from BRDaV-infected black raspberry...
Resource Type:: Dissertation
Full Text:: : R. Martin The objective of this study was to characterize an unknown agent associated with decline

Characterization of germination of Clostridium perfringens spores from various sources

Creator:: Alnoman, Maryam M.
Abstract:: Clostridium perfringens is a pathogenic anaerobic bacterium able to produce more than 17 toxins, allowing C. perfringins to cause a wide variety of diseases in humans and animals. Beside toxins production, C. perfringens able to form a highly resistance spores can survive in the environments for years. These spores are...
Resource Type:: Masters Thesis
Full Text:: : Mahfuzur R. Sarker Clostridium perfringens is a pathogenic anaerobic bacterium that is able to

Evaluation of ground motion duration effects on the damage prediction of building and bridge structural and soil-structural systems

Creator:: Belejo, Andre
Abstract:: The role of ground motion duration on the seismic performance of civil engineering structures remains unclear. Thus, the role of earthquake strong ground motion duration is assessed in a three manuscript thesis, which includes: (1) assessment of the effects of ground motion duration on the seismic performance of a model...
Resource Type:: Dissertation
Full Text:: : ______________________________________________________ Andre R. Barbosa The role of ground motion duration on the seismic performance of

Seismic performance of diagrid steel structures using single and double friction mass dampers

Creator:: Ramadhan, Garlan
Abstract:: The steel diagrid structural system is a recent load bearing and lateral resisting structural system for tall building structures that is relatively unexplored in the western United States. One possible reason for the little use of diagrid systems in earthquake prone regions is the lack of guidelines and application examples...
Resource Type:: Masters Thesis
Full Text:: approved: André R. Barbosa The steel diagrid structural system is a recent load bearing and lateral

Stress, Social Support, and Life Satisfaction Among Adults with Rare Diseases

Creator:: Bryson, Brooke A.
Abstract:: In the US, a disease is classified as rare if it affects less than 200,000 individuals a year. Despite considerable similarities, individuals with rare diseases (RDs) report worse life quality and satisfaction with life (SWL) than those with common chronic conditions. One potential avenue to increase SWL is through improving...
Resource Type:: Masters Thesis
Full Text:: : ______________________________________________________ Kathleen R. Bogart In the US, a disease is classified as rare if it affects less than

Immigrant encounters : film narratives of the modern immigrant

Creator:: Yeager, Angela L.
Abstract:: This thesis employs a narrative analysis of more than twenty-five films that are centrally concerned with immigrants and the immigrant experience. In Part One, drawing from the work of Yosefa Loshitzky, I will focus on films that feature an immigrant lead character. In Part Two, I will explore movies that...
Resource Type:: Masters Thesis
Full Text:: : ____________________________________________________________________ Jon R. Lewis This thesis employs a narrative analysis of more than twenty-five films that

Optics, structure and variability of the offshore Columbia River plume

Creator:: Saldías, Gonzalo
Abstract:: The Columbia River delivers the greatest amount of freshwater to the coastal ocean along the U.S. Pacific coast. This freshwater forms the Columbia River plume, a mesoscale plume with significant implications on coastal ocean physical, biological, chemical, and geological processes. The plume is transported south and offshore during the upwelling...
Resource Type:: Dissertation
Full Text:: : R. Kipp Shearman The Columbia River delivers the greatest amount of freshwater to the coastal ocean

Nitrogen fertigation practices to optimize growth and yield of northern highbush blueberry (Vaccinium corymbosum L.)

Creator:: Vargas, Oscar L.
Abstract:: Northern highbush blueberry is a long-lived perennial crop that is well adapted to low soil pH conditions. The plants are often shallow rooted and absorb primarily the ammonium (NH₄) form of nitrogen (N) rather than nitrate-N (NO₃-N). Traditionally, commercial blueberry fields have been irrigated with overhead sprinklers and fertilized using...
Resource Type:: Dissertation
Full Text:: (Vaccinium corymbosum L.) Abstract approved: David R. Bryla Northern

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