The use of data extracted from particle image velocimetry (PIV) along with vector and tensor visualization techniques provides a valuable tool for understanding a complex flow field. By studying a simple geometric structure such as a cylinder under a simple transient waveform, fundamental mechanisms of wake development under solitary wave...
This thesis is a study of the effects of social media and the influence it has over people and their wellbeing. The study within the thesis manipulates the social media habits of Oregon State students, and looks at the changes in their wellbeing. Throughout the background research the evidence supports...
The performance of a multiple stage crosscurrent tower packed
with Pall rings was characterized with and without a recycle loop on
the gas stream. The column used 12 baffles. The absorption system
studied was the transfer of oxygen from an oxygen-enriched air stream
into a water stream which is a...
Humboldt Redwoods State Park in southern Humboldt County, California is a coastal redwood forest, a highly unique and valued ecosystem. It has many social, cultural, ecological, and economic values, including recreational benefits, heritage and aesthetic values, high biodiversity, nutrient cycling, and climate regulation. However, Humboldt County is at risk of...
This qualitative study explores the experiences of women who are welfare
recipients attending a community college under the auspices of a new program,
Washington State's WorkFirst/Work Study program. The study, conducted over
two academic quarters, includes in-depth interviews with WorkFirst/Work Study
students, observations in a weekly seminar, and interviews with...
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Annette: Heavy Work, Heavy Care ................................................ 42
Betsy
This research investigates the role of Attention-Deficit/Hyperactivity Disorder (ADHD) in the life experiences of University Student-Athletes. This qualitative study employs a naturalistic and grounded paradigm in an effort to capture the essence of these experiences. Participants are four student-athletes from Oregon State University who play intercollegiate athletics in the Pac-10...
In this creative non-fiction thesis, I present a collection of personal essays that examine my significant moments of awkwardness with failed communications or frustrated relationships when I wanted to draw people closer with language, but was unsuccessful. In the twelve stories, I discuss these issues in my interpersonal communication interwoven...
Hazards threaten coastal communities and ecosystems over a wide range of spatiotemporal scales. One of the most pressing concerns for coastal property owners, decision makers, and researchers is the uncertain role that a changing climate will have on the intensity and frequency of these hazards. The significant uncertainties associated with...
Proceedings of the 77th Annual Western Orchard Pest and Disease Management Conference, held January 15-17, 2003 at the Hilton Portland in Portland, Oregon.
Hop powdery mildew (Podosphaera macularis) was confirmed in the Pacific Northwest in 1996. Before 2012, the most common race of P. macularis was able to infect plants that possessed powdery mildew resistance based on the R-genes Rb, R3, and R5. Post 2012, two additional races of P. macularis were discovered...
The common imagining of archives characterizes these spaces as monolithic, hallowed sites of preserved truths, carefully catalogued and stored, static and frozen in history and waiting to be uncovered. My thesis works to dispel this myth and identify rhetorical elements of the archive’s structure in order to assess how the...
Thirteen healthy adult males, ages 20-40, consuming self selected
diets, were given instructions to take one 500 mg tablet of ascorbic
acid three times a day with their meals for a period of ten weeks. The
effect of this daily supplementation on copper status was investigated.
An estimation made from...
Books and literature help children and young adults develop language, cognitive, and social skills. Additionally children's literature enables individuals to develop a deeper appreciation for their own, and others' cultures and histories. This thesis analyzes the young adult historical fiction series Dear America, published by Scholastic press, and examines how...
In Everybody Doing Pretty Here, a collection of eight interconnected short stories, Emily R. Elbom chronicles the lives of a married couple, Max and Willa. Both characters survive various forms of physical, emotional, and social abuse, and seem to stay married because of this connection. In spite of their codependency,...
This thesis was designed and written with advertising stakeholders in mind. The aim of my thesis is to illustrate how listening to and understanding the behavior and voices of consumers from the perspective of a trained anthropologist can improve advertising strategies. My instruments for conducting this research include an in-depth...
Proceedings of the 70th Annual Western Orchard Pest and Disease Management Conference, held January 10-12, 1996 at the Imperial Hotel in Portland, Oregon.
Civic participation has been perceived to be an important aspect in the City of Portland. Portland‟s civic engagement model and the high level of public participation from Portlanders have drawn praises. Not all communities, however, have been included in the democratic process, which should be accessible to all Portlanders. Communities...
Proceedings of the 74th Annual Western Orchard Pest and Disease Management Conference, held January 5-7, 2000 at the Imperial Portland in Portland, Oregon.
Various flavonoid-rich plant extracts have shown efficacy in the treatment of diabetes. Although it is often assumed that dietary flavonoids exert biological antioxidant effects, it is possible that the observed effects work in carbohydrate metabolism. In this study we evaluated the effect of catechins and catechin containing extracts on α-amylase...
Various flavonoid-rich plant extracts have shown efficacy in the treatment of diabetes. Although it is often assumed that dietary flavonoids exert biological antioxidant effects, it is possible that the observed effects work in carbohydrate metabolism. In this study we evaluated the effect of catechins and catechin containing extracts on α-amylase...
This thesis, a collection of creative non-fiction essays, explores the nature and influence of reading and school in the author's life. After a brief introduction explaining the title, part one describes the sensory dimensions of reading. Part two discusses the author's work as a student and teacher and the contradictions...
Lilacs are a group of ornamental trees and shrubs in the Oleaceae family consisting of 22 to 30 species. There are six series within genus Syringa: Pubescentes, Villosae, Ligustrae, Ligustrina, Pinnatifoliae, and Syringa. Fertility and cross-compatibility among cultivars, species, and series have yet to be formally investigated. Over three years,...
The Gospel: According to Matt is a novel, told in the first person, simple past tense, depicting the struggle of a young man attempting to make sense of his relationship with his estranged father as he wrestles with a growing crisis of faith. Matt is deeply sincere in his desire...
Stories of the Guatemalan Civil War, which lasted from 1960 until 1996, have often focused on only encapsulating the violence indigenous people experienced at the hands of the Guatemalan government and military. Although these stories contributed to the many civil rights organizing and calls for justice that followed, these types...
This dissertation seeks to contribute to a growing body of research on student outcomes by way of a public health perspective examining the intersection of education policy and adolescent mental health and well-being. The conceptual approach underpinning this project rests on the key theoretical assumption that education policy, shaped at...
Infectious diseases are a growing concern for both humans and wildlife. The negative effects of infectious disease have been exemplified by the recent global amphibian population declines associated with disease outbreaks. Although multiple pathogens and factors play a role in these declines, the aquatic fungal pathogen, Batrachochytrium dendrobatidis (Bd), has...
The focus of this study was to examine the administrative legacy of two African American women administrators, Maxine Buie Mimms and Wintonnette Joye Hardiman, who administrated The Evergreen State College-Tacoma, Washington (TESC-T) campus for more than three decades. TESC-T is nationally known for its community-based curriculum and pedagogy, high retention...
Concern regarding increased coastal erosion has heightened amid growing acceptance of global warming and associated sea-level rise. This study examines shoreline erosion in Flathead Lake, Montana due to five decades of artificially elevated lake levels. It provides a model to investigate coastal erosion associated with sea-level rise. The natural water...
The Columbia River Gillnetter is the pilot of the Lower Columbia River commercial fishing industry, keeping fishermen and the public in touch with today's important issues.
The field of composition studies has concerned itself with the way in which people learn to write and the role schooling plays in writing development. Recently a trend has developed within the field towards exploring writing development outside of the classroom, termed the extracurriculum. Much of the scholarship thus far...
Predator-prey interactions have historically been studied to explain patterns of organization observed in populations and communities. They have also been important in understanding the evolution of antipredator responses in prey and counterstrategies in predators. Despite the breadth of knowledge that exists for heterospecific interactions, relatively few studies have investigated the...
Messenger RNA (mRNA) therapy has massive potential to treat various genetic disorders by providing effective proteins to the diseased cells and tissues. Its therapeutic applications include protein replacement, genome editing, and immunotherapy. For successful mRNA treatment, mRNA must be delivered to the cytosol of target cells. One of the leading...
This thesis examines archaeological material in order to explore gender and ethnicity issues concerning fur trade era families from a settlement in the Willamette Valley, Oregon. Ethnohistorical information consisting of traders journals and travelers observations, as well as documentation from the Hudson's Bay Company, Catholic church records, and genealogical information...
Collective robotic systems are biologically-inspired and exhibit behaviors found in spatial swarms (e.g., fish), colonies (e.g., ants), or a combination of both (e.g., bees). Collective robotic system popularity continues to increase due to their apparent global intelligence and emergent behaviors. Many applications can benefit from the incorporation of collectives, including...
Proceedings of the 64th Annual Western Orchard Pest and Disease Management Conference, held January 10-12, 1991 at the Imperial Hotel in Portland, Oregon.
This study examines participants' perceptions of the significant messages and
meanings communicated to them through the ceremony of the Blessingway (a ritual titled
after the Navajo Blessingway), a contemporary women's birth ritual performed by
midwives. A narrative approach was used for data gathering based on Fisher's rationale
that meaning emerges...
Pollution by pesticides is a ubiquitous concern for wildlife. The effects of
pesticides are especially concerning in aquatic environments, which are particularly
vulnerable as they have several exposure routes for the influx of chemicals. These
effects are of particular concern as biodiversity loss reaches unprecedented rates. This
includes recent declines...
Walt Whitman looked to the natural world, which he considered an original example of divine creation, for insights into the methods and patterns of the Creative Force; the poet then intuited connections between these divine natural patterns and human existence and spirituality. Convinced of the divinity of the human body,...
The question of “what is to be done” about the prevalence of houselessness in large US cities has become a top policy priority, Often left out of these discussions are the opinions of the unhoused about the policies that are designed to serve their needs. Most of the literature that...
The Columbia River Gillnetter is the pilot of the Lower Columbia River commercial fishing industry, keeping fishermen and the public in touch with today's important issues.
The Gorda Escarpment (40.4° N and from 126° W to 124.7° W) is a topographic high which is the eastern portion of the Mendocino Transform Fault. The Vizcaino Block is the anomalously shallow portion of the Pacific plate immediately south of the Gorda Escarpment. Sediments of the Vizcaino Block record...
Native prairies of the Willamette Valley are considered among the rarest of Oregon's ecosystems (Clark and Wilson, 2001). As a result of agriculture conversion, urban development and cessation of native burning, Willamette Valley prairies have become highly fragmented and invaded by non-native species, leaving little room for native plant diversity....
Prenatal exposure to excess androgens, testosterone in particular, has clear effects on potential ram fertility. Utilizing breeding soundness examinations in male sheep will assess the ram's potential ability to impregnate a certain number of healthy females during a defined breeding season. Identifying rams that have high breeding potential can provide...
My thesis explored the effects of environmental variability on population
dynamics and community composition of aquatic insects. Environmental variability in
the form of flow regime in streams can limit the distribution and life-history traits of
aquatic insects. I used tributaries to the McKenzie River in Oregon with dramatically
different flow...
Beer brewing, broadly speaking, consists of two stages, a hot side and a cold side. The hot side occurs in the brewhouse and consists of steeping malted grain in hot water to extract sugars, separating the steeping liquid (wort) from the solids, and boiling the wort with an addition of...
Several experiments were conducted to examine the toxicity of Senecio jacobaea (SJ) in animals resistant to pyrrolizidine alkaloid (PA) intoxication and to determine the extent of alterations in mineral metabolism as a result of SJ intoxication. Inclusion of SJ into diets containing added copper (Cu) resulted in increased (P<.01) liver...
A home computer revolution is predicted to change America in the
next 20 years. If this is to occur, a consumer must perceive the
home computer as a technological resource. According to consumer
behavior studies, acceptance of a new product is based on internal
determinants, which are affected by environmental...
Over one third of the earth’s land surface has been modified to some extent for agricultural purposes. The large global footprint of agriculture, combined with the knowledge that existing reserve networks are likely insufficient for long-term conservation of native biodiversity, has necessitated that agricultural systems contribute to conservation of native...
The reading of world literature, literary works from cultures other than one’s own, offers
an effective means of creating greater awareness and sensitivity towards others. Research
on the subject makes it clear that world literature can help lay the groundwork for a sense
of world citizenship in students. To what...
Incidental bycatch in commercial fisheries has been identified as a threat to black-footed albatrosses (Phoebastria nigripes) and Laysan albatrosses (P. immutabilis). Effective long-term conservation of these albatrosses necessitates a thorough understanding of their marine distribution, which marine habitats are selected during foraging, and where they are most likely to interact...
I investigated survival, movements, home range sizes, and habitat selection of pygmy rabbits (Brachylagus idahoensis) in southeastern Oregon and northwestern Nevada from June 2005 to June 2007. I trapped 298 rabbits on four sites and fitted each with radio transmitters. More than 13,000 locations of telemetered rabbits were recorded. I...
The purpose of this qualitative study was to learn about the perceptions and
experiences of students who graduated with the Associates of Arts/Oregon Transfer
(AA/OT) degree. This study answered the following questions:
1) How did the AA/OT degree attainment assist in the overall achievement
of goals?
2) How did AA/OT...
Set in the dryland farming country of Eastern Oregon in the late 1950's, this novel follows a year and a half in the life of a young girl as she comes of age. A water rights dispute, the plight of nearby ranchers, disappointments in her own family and a harrowing...
Opakapaka (Pristipomoides filamentosus) is a snapper (family Lutjanidae) native to the waters around Hawaii. Recent population declines of this commercially important species have increased interest in the culture of this fish. Survival of this fish through the larval period in culture has been consistently low, usually not exceeding 2%. The...
Recruitment of larvae from the plankton is an important determinant of
community structure in marine systems. In populations of many marine species,
recruitment determines the basic demographic parameters of immigration, emigration,
and reproduction. Moreover, the effect of recruitment as an "ecological subsidy" can
determine the strength of interactions among species...
Chemoreception is one of the dominant sensory modalities for many species of salamanders (reviewed in Chapter 2). At least seven of the ten currently recognized salamander families are known to respond to some sort of chemical cue. These responses are as varied as delaying hatching, seeking refuge, or initiating aggressive...
The experiences of Latinx youth are well-studied in U.S. schools, yet, few studies have focused on their experiences in Community Based Educational Spaces (CBES). CBES continue to be on the periphery of Education research despite the potential affordances of youth-led work in such out-of-school spaces (Baldridge, 2020). At the same...
The purpose of this research study was to describe and improve understanding of the meaning of institutionalized sustainability and the role that a college president plays in institutionalizing sustainability on a community college campus. The following questions guided the research: (a) What does it mean to have sustainability “institutionalized” at...
The purpose of this dissertation was to explore the effect of teacher training on the nature and context of movement instruction in Oregon elementary schools. While there are numerous instructional guides and many anecdotal descriptions of classroom movement highlighting the work of movement arts specialists, to the best of our...
Oregon's estuaries are important ecosystems for scientific study. Consequently, knowledge of what research has been conducted helps us identify benchmarks and plan new projects. A comprehensive bibliography of published research, technical reports, local documents, and data sets is one means of recording this knowledge. For these reasons, the Guin Library...
Oregon's estuaries are important ecosystems for scientific study. Consequently, knowledge of what research has been conducted helps us identify benchmarks and plan new projects. A comprehensive bibliography of published research, technical reports, local documents, and data sets is one means of recording this knowledge. For these reasons, the Guin Library...
It is necessary to evaluate and compare the characteristics of
various methods of accessing data-files in order to utilize economically
both the hardware and the software (Space and Time) supported
by the digital on-line system. The purpose of this paper is to
describe and evaluate the structure and use of...
Rhizopogon is a large genus of ectomycorrhizal (EM) fungi that grows in association with host trees of the family Pinaceae. We have conducted a series of studies investigating the ecology and evolutionary biology of the EM symbiosis shared between R. subgenus Villosuli and trees of the genus Pseudotsuga. Two members...
Foresters in Action was a radio program created and performed by students of the OSC School of Forestry. It was broadcast by KOAC radio station in Corvallis from 1936 until ca. 1943. The program offered snapshots of rural life in the Pacific Northwest, and sometimes beyond, told through a collegiate...