This folder includes a letter to Congressman Dicks regarding a request for funds to implement the passage of H.R. 4828, the Steens Mountain Cooperative Management and Protection Act.
Letter from federally-recognized treaty fishing tribes of the Columbia River Basin to Darlene Hooley requesting continued funding for the Fish Passage Center.
The purpose of this study was to document the development of pre-service teachers' Technology Specific Pedagogy as they learned to teach mathematics with technology during their initial licensure program. The study investigated the pre-service teachers' learning using both a social and a psychological perspective of teacher learning. Two research questions...
One in four Ecuadorians do not have access to health services; while more than two-thirds have no health insurance and insufficient resources to pay for the health care services they might require. The following three studies examined utilization of health care services using Andersen’s Health Care Utilization Behavior Theory. Secondary...
Cooperative marine fisheries research—the practice of involving the expertise of fishermen and scientists in conducting studies of ocean fishes—has increased gradually over the past 50 years on the US west coast. However, few studies have systematically collected and analyzed the experiences and perceptions of numerous cooperative marine fisheries research project...
The overall goal of this study was to identify multiple scales of habitat use and habitat electivity by redband/steelhead trout and define the limiting factors affecting the distribution patterns of this species during summer flows.
The main objective in chapter 2 was to identify the most important habitat associations that...
Vegetative propagation allows the amplification of selected genotypes for research,
breeding, and commercial planting. However, efficient in vitro regeneration and
genetic transformation remains a major obstacle to research and commercial
application in many plant species. Our aims are to improve knowledge of gene
regulatory circuits important to meristem organization, and...
Forest managers of public lands in western Oregon and Washington have become increasingly interested in creating additional conifer cohorts in young, even-aged, second-growth Douglas-fir stands. The purpose of our research was to assess the establishment, survival, and growth of naturally-regenerated and underplanted conifers 10-13 years after overstory thinning and understory...
Plants develop a vast array of cell shapes and sizes by selectively modifying their surrounding cell walls to expand in some regions and not in others. This process of morphogenesis requires the delivery of secretory vesicles to specific locations at the cell periphery, where exocytosis adds new membrane and proteins...
Silvicultural canopy gaps are emerging as an alternative management tool to accelerate development of complex forest structure in young, even-aged forests of the Pacific Northwest. I investigated patterns of nitrogen (N) availability along transects through 0.1 and 0.4 ha silvicultural gaps in three 50-70 year old Douglas-fir forests of western...
Northern anchovy (Engraulis mordax) are a dominant forage fish in the California Current large marine ecosystem (CCLME). However, little is known about northern anchovy abundance, distribution, age structure, or population fluctuations relative to ocean conditions in the eastern boundary upwelling system off the U.S. West Coast. This thesis includes three...
Two Autonomous Underwater Vehicle Gliders have alternated continuous sampling of a 45-nautical mile transect line (the Newport Hydrographic Line) across the Oregon continental shelf since April, 2006. Strong currents (>25cm/s) push the gliders off their trajectories as they survey this transect line, preventing them from sampling the historically occupied stations...
The purpose of this study was to learn about the experiences of Generation 1.5 Hispanics in developmental English in community college. A qualitative comparative case study design was used for this social critical study. The key findings fell into three categories: road blocks, motivators, and actions. The road blocks included:...
This research was undertaken to provide barley growers, processors, and consumers with quality food barley. Because all currently available varieties of food barley are of spring growth habit, the first phase of the research involved agronomic assessment of these varieties under Oregon conditions. Because winter barley usually yields more than...
The objectives of this thesis were to evaluate the responses of soil microbial communities to physical and chemical disturbances, and associate these responses with soil functional stability and changes in soil quality. The first study consisted of application of heat shocks (HS) to soils with contrasting land use history to...
High hydrostatic pressure (HHP) affects the pH of weak acids due to an increased degree of acid dissociation while under pressure. The temporary pH reduction by high pressure in such a case may influence the barotolerance of microorganisms. The objective of this study was to determine the impact of weak...
Recently, delta-sigma modulation has become a widely applied technique for high-performance analog-to-digital conversion of narrow-band signals. Most of the early designs used discrete-time structure for good accuracy and good linearity. The transfer functions are independent of the clock frequency. However, high unity-gain bandwidths of the opamps are required to satisfy...
Hallmarks of aging include the accumulation of aberrant proteins and a lower resistance to stresses. Because the endoplasmic reticulum (ER) functions to fold proteins and possesses unique stress sensing pathways, the central hypothesis of this dissertation is that the ER is a target of cellular aging and significantly underlies these...
This study considers trade-offs between timber harvest and carbon
sequestration on National Forest and other public lands by contemporaneously linking
a model of public harvest and inventory to a carbon accounting system. The public
harvest model treats three harvest scenarios. The first minimizes the cost of meeting
harvest requests that...
Coast redwood (Sequoia sempervirens) (D. Don) Endl. is a host for Phytophthora ramorum but it was unclear if the pathogen represents a significant disease risk to this tree species. In this study the susceptibility of coast redwood seedlings and the likelihood of sporulation on redwood were examined. Two methods were...
Forward Error Correction and retransmission are two approaches used to reliably broadcast data in a network with poor quality of service. Taking some assumptions, it has been suggested that a retransmission based reliable broadcasting scheme using network coding should in theory provide an increase in bandwidth efficiency by combining packets...
An integrative method for monitoring glacier geometry change and mass balance is presented and applied to the Pacific Northwest, USA. Acting as a baseline for interpretation of future changes in glacier size and shape, we first derive a new inventory of regional glacier cover using remotely sensed data. To investigate...
The role of unusual geologies in plant distribution and form is well-known. Serpentine (ultramafic) soils exert a particularly strong influence on plants, as evidenced by a high level of endemism and the morphological and physiological traits displayed in adaptation to the extraordinary chemistry of these substrates. Adaptation may lead to...
Use of solid compensators is a very effective means of implementing IMRT on any linear accelerator. The standard practice has been IMRT delivery using accelerators equipped with multi-leaf collimators (MLC’s). Truth is the addition of MLC’s to an accelerator is quite expensive. Previous studies have shown solid compensators to have...
The objective of this dissertation is to theoretically and empirically examine the role of firm heterogeneity in terms of productivity and skill-intensity in the agglomeration process and the effect of agglomeration on regional economic development.
In the first essay, I analyze the effect of trade liberalization on agglomeration of high-...
"Watchmen: as a Work of Literature" asserts the premise that literature contains complexity and themes, as well as literary devices, and decided that is a graphic novel meets these requirements, it is also considered literature. The graphic novel Watchmen is analyzed like a literary text, and the narrative devices, literary...
Downward flow opposing mixed convection conditions have been studied using the FLUENT CFD code. This work was comprised of two primary objectives. The first was to study core channel flow reversal susceptibility in the Gas Reactor Test Section (GRTS) at low flow conditions. The second objective was the development of...
The tendency of wood to shrink and swell with changing moisture content remains as one of the most significant challenges to using wood in its many applications. Viscoelastic Thermal Compression (VTC) has been shown to significantly increase the density, strength and stiffness of wood. However, dimensional stability is still a...
This study examined the relationships between business, education, and the economy, and specifically addressed the significant impact that business has had on education and educational policy. A large amount of research exists on the history of school reform and the development of educational policy, but none of the research examined...
Handout included: Communication Document from the Office of Experiential Learning.
Presentation delivered at the 7th Biennial University Education in Natural Resources conference.
Handout included: "Engaging Minds, Building Community: An Action Plan for Facilitating Community Engagement in the Rubenstein School of Environment and Natural Resources."
WSU Extension launched the Summer Youth Forestry Institute (SYFI) in 2007 as a way to engage youth in meaningful outdoor summer employment, teach science and natural resource skills, raise awareness of the functions and values of working forest lands, encourage natural resource-related careers, and enhance the management of public forest...
Investing in leadership development for natural resource professionals increasingly means linking learning for participants to performance for their employer. We were challenged to develop meaningful learning outcomes and their assessment, which included making the learning ‘real’ for the participants and their employer. Working collaboratively with the Ontario Ministry of Natural...
The emerging field of nanotechnology strictly requires the micro-scaling of the available separation technology and the design of novel devices for separations of molecules of interest. The separation of proteins and nanoparticles is challenging due to their relatively large size, non-specific adherence to surfaces and instability in many solvents.
This...
Northern Spotted Owls (Strix occidentalis caurina) are a long-lived forest owl and range-wide declines in their numbers have resulted in the species being listed as threatened under the endangered species act. While many studies have been focused on population trends and reproductive performance of Spotted Owls from different age-classes, none...
Web applications are popular attack targets. Misuse detection systems use signature databases to detect known attacks. However, it is difficult to keep the database up to date with the rate of discovery of vulnerabilities. They also cannot detect zero-day attacks. By contrast, anomaly detection systems learn the normal behavior of...
A gene cluster responsible for the biosynthesis of the antitumor agent
cetoniacytone A was identified in Actinomyces sp. strain Lu 9419, an
endosymbiotic bacteria isolated from the intestines of the rose chafer beetle. The
nucleotide sequence analysis of the 26 Kb DNA region revealed the presence of 17
complete ORFs,...
Main Street USA in Southern California’s Disneyland theme park is often described as nostalgic. However, previous research on this subject has failed to identify what elements actually make Main Street USA nostalgic as well as determine why Disney uses this nostalgia to influence park guests. In order to respond to...
White women’s experiences with major institutions, the church included, often are generalized to other women’s experiences, much like how the experience of men in often represented as the experience of all humankind. In 2001 Elaine Howard Ecklund studied white lay women in the Catholic Church and explored two questions: What...
While the heartwood of many wood species exhibits excellent resistance to fungal and insect attack, this resistance is sometimes diminished in second-growth material of the same species. The reasons for the reduced durability are unclear, but they may reflect a combination of both higher proportions of sapwood as well as...
The increased ethnic diversity of the U.S. population, including an increase of Indian immigrants, calls for an investigation of the Indian apparel consumption differences among first generation Indians and second generation Indian American females within the United States market. This study examined the Indian apparel consumption behavior of two levels...
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...
In this thesis, I argue that the cooptation and commodification of young peoples’ creative expressions of individuality through the practice of “coolhunting” causes alienation within said young people and is, therefore, unethical. I support this claim by using Marxist theory of the Frankfort Institute, viz., Max Horkheimer and Theodor W....
“Left field” implies something far from mainstream. In forest and natural resources education, biophysical science is the mainstream discipline. Biophysical sciences provide the knowledge to achieve desired forest and natural resource management goals. But an education that prepares students for successful careers must also provide understanding of the social context...
Colleges and universities across the country are feeling pressure from accrediting agencies and others to measure just what it is their students learn. Librarians at Oregon State University saw this as an opportunity to being information literacy into a campus-wide conversation about what all OSU graduates should know. Working directly...
Natural resource educators are beginning to appreciate that formal critical thinking and ethical reasoning skills are not only important but absolutely necessary tools for the 21st century natural resource professional (both scientist and manager). However, given a historic lack of formal ethical reasoning within natural resource curricula combined with the...
Teaching assessment can be a pain. But it can also be an opportunity. This poster describes my experience with student course evaluations and the development of a supplemental assessment tool.
I teach two courses required for the college’s general education curriculum: Western Civilization and the Environment, and Natural Resources in...
This presentation and paper were presented at the 6th Biennial Conference on University Education in Natural Resources. Proceedings of that conference were not disseminated. As further work by this author was presented as an update in the 7th Biennial Conference, we have included this supplementary material in this collection as...
Traditional soil science courses, especially with a hands-on lab component, have been face-to-face events. CSS 205, Soils: Sustainable Ecosystems, an introductory soil course with a lab for non-majors, has been taught via online delivery for four years. Skeptics of online science lab classes abound. The question remains: how does an...
Active participation and collaboration of community members are crucial to the continuation and expansion of open source software projects. Researchers have recognized the value of community in open source development and studied various aspects of it including structure of communities, motivations for participation, and collaboration among members. However, the majority...
Total electronic energies are calculated numerically for
free and singly-ionized He, Li, C, and Ne atoms using density
functional theory. Immersion energies are calculated for a single
C impurity atom embedded or absorbed into a charge-neutral system
composed of a free-electron gas with uniform positive background,
also called 'jellium'. Nonspherical...
Crater Lake National Park presents an excellent opportunity for ecological research due to its relatively pristine landscape, the protection of its natural features, its infrastructure, and a Park administration supportive of scientific inquiry and restoration ecology. The research presented here examines the responses of fungi to various forms of perturbation....
In eastern boundary current upwelling ecosystems, mesoscale circulation features such as eddies and upwelling filaments play a prominent role in the transfer of water and the associated plankton from the productive nearshore to the oligotrophic deep sea. The relationship between mesoscale circulation, zooplankton distributions, and the across-shelf transport of coastal...
An automated method, requiring the fabrication of a small set of test structures, efficiently extracts the coefficients of Z-parameter based macromodels. The extraction approach has been validated for both heavily and lightly doped substrates and can be applied to a variety of technologies. After the parameters of a macromodel have...
Mutualistic associations between cnidarians, such as corals, and photosynthetic
dinoflagellate algae provide the trophic and structural foundation of coral reef
ecosystems. In many cases, this intracellular mutualism is highly specific and must be
established anew for each generation of host corals. The ability to maintain partner
specificity across generations implies...
Fluorinated chemicals (FCs) have been used since the 1950s in many industrial and commercial applications because of their unique properties such as chemical inertness, resistance to heat and their ability to repel water and oils. Concerns regarding potential environmental or human health risk from FCs exposure have emerged due to...
Harvesting energy from the environment for powering micro-power devices have been increasing in popularity. These types of devices can be used in embedded applications or in sensor networks where battery replacement is impractical. In this dissertation, different methods of energy harvesting from the environment are explored as alternative sources of...
This work comprises two main parts: creating and shaping narrowband, pulsed THz radiation in a table-top optical setup; and applying THz pulses to semiconductor nanostructures to study electron dynamics.
I developed a scheme to shape the THz output of a fanned-out periodically poled lithium niobate (PPLN) crystal. The pulses are...
A cultural landscape analysis of two historic cemeteries in St. Paul, Oregon demonstrates that the residents of this early community were unknowingly using grave markers to express their worldview and the identities that they felt were most important. Because of the historical and cultural development of this community as the...
The Oregon Department of Energy has set up recommendations for agricultural crop and non-crop embargo zones following an accidental or purposeful radioactive release. Of special interest are the FDA’s Derived Intervention Levels (DIL) and the state’s exposure limit of 0.4µR/hr. At the Oregon State University Emergency Response Research and Support...
Coordinating multiple robots to achieve a complex task requires solving two distinct control problems: the high-level control problem of ensuring that each robot aims to perform a useful task (e.g., coordination) and the low-level control problem of ensuring that each robot actually performs the correct actions to achieve its task...
This thesis presents the results of an investigation into the interactions between the present-day South Cascade Glacier and the former Mauna Kea ice cap at short (annual to centennial) and long (millennial and multimillennial) time scales. To quantify the response of South Cascade Glacier to atmospheric conditions, a surface energy...
A Mixed Reactant Single Chamber (MRSC) Fuel Cell is a relatively recent concept in the field of fuel cell engineering originally developed in the late 1950’s. Typical fuel cells have separated reactants (a separated fuel and oxidizer) that react on their usually non-selective electro-catalytic materials. A mixed reactant fuel cell...
Although the digital revolution can realize many of past analog components in the digital forms, our world is surrounded with analog signals such as voice, temperature, etc. The bridge between these two worlds is one of key performance limitations among overall systems and it includes analog filters and data converters....
Oregon State University has recently conducted a complete core conversion analysis as part of the Reduced Enrichment for Research and Test Reactors Pprogram. The goals of the thermal hydraulic analyses were to calculate natural circulation flow rates, coolant temperatures and fuel temperatures as a function of core power for both...
The behavior of a metal vapor plasma arc in a vacuum arc remelting (VAR) furnace is believed to contribute to the formation of defects in reactive metal and super-alloy ingots. Industry standard instrumentation, which includes electric current and voltage measurements, can asses the stability of an arc but cannot predict...
Wetlands and wet prairies are economically and environmentally valuable ecosystems, but many have been degraded or converted to other uses. As human understanding of wetlands' value has increased, restoration efforts have grown correspondingly. Restoration attempts use a diversity of methods, which often include seeding with native plant species. This thesis...
Solid state luminescent sulfides are prepared as powders in order to elucidate the relationship between structure and light emission. While the sulfides studied in this dissertation are known phosphors, materials are investigated in a variety of new ways. Elementary properties and structures of MgS are reviewed, and preparation of MgS...
A microfluidic nanofiltration module has been designed, fabricated and applied to the continuous-flow, pressure-driven, post-synthetic purification of macromolecules and nanoparticles via diafiltration using a commercially available organic solvent resistant nanofiltration membrane, STARMEM 122. This module will readily interface with other microscale components within a
"nanofactory" for the rapid synthesis, purification...
The sagebrush steppe ecosystem of the northern Great Basin is severely degraded and continues to decline due in large part to the invasive, non-native annual grasses Bromus tectorum L. (cheatgrass) and Taeniatherum caput-medusae (L.) Nevski (medusahead). Restoration of invasive-dominated areas is difficult, but can be enhanced by adding a carbon...
Children who have multiple family risk factors are at increased risk for poor developmental outcomes, including poor academic achievement. The present study focused on charting the pathways through which early family risk – as indexed by ethnic minority status, low maternal education, low family income, and chronic maternal depressive symptoms...
New analytical methods and instrumentation were developed for the determination of dissolved oxygen (DO) at low concentrations in water. The methods were based on monitoring the absorbance increase due to the oxidation of reduced indigo carmine (IC) by oxygen in the sample in different types of spectrometer cells. Spectrophotometer cells...
Multiple-input multiple-output (MIMO) communication systems have recently been considered as one of the most significant technology breakthroughs for modern wireless communications, due to the higher spectral efficiency and improved link reliability. The sphere decoding algorithm (SDA) has been widely used for maximum likelihood (ML) detection in MIMO systems. It is...
Over the past decade, changes in health, economic, and social policies have shifted the dying process out of hospitals and into the community. This exploratory,hypothesis-generating study investigated positive and negative caregiving as well as care management resources of community-based end-of-life caregivers and how they related to caregivers' personal growth following...
The mechanisms by which the activities of phospholipase C-β (PLC-β) enzymes are negatively regulated have not been well defined. We used cardiac-derived ratmyoblast H9c2 cells to investigate possible modes of regulation of PLC-β3 enzymes,the only endogenous β isoform abundantly found in these cells. The PLC-β3population in these cells was detected...
Long-haul diesel trucks carry the lion’s share of all shipped goods in the United States. The drivers of these trucks often live in these trucks for days, sometimes weeks, at a time as they deliver these goods. When stopped overnight, many of these drivers leave their engines idling to heat...
This paper adopts the hedonic price model to study the impact of attributes on beer prices in the U.S. beer market. The price of beer is modeled as a function of beer characteristics. Our primary purpose is to investigate the attributes that lead to premium beer prices. Understanding factors that...
DNA mismatch repair (MMR) is an evolutionarily conserved process used by cells to decrease mutation rates, thereby increasing genetic stability and reducing cancer risk. Germline mutations in the MMR gene MLH1 have been identified in Lynch Syndrome patients, and in many cases are suspected but not confirmed as causative for...
Great Salt Lake (GSL), Utah, is surrounded by 191,884 hectares of wetlands. These wetlands provide critical habitat for hundreds of thousands of breeding, migrating and wintering waterfowl each year. As the human population around GSL increases, government officials have proposed to divert more water from the Jordan, Ogden, and Bear...
Three experiments were conducted in broiler hens to study the influence of dietary n-3 polyunsaturated fatty acids (PUFA) on egg quality, antioxidant status in progeny, and eicosanoid production in tissue. The objective of experiment 1 was to determine the effect of hen age and dietary n-3 PUFA on egg quality...
Teacher efficacy continues to be an important area of study in educational research. This study tested an instrument designed to assess the perceived efficacy of agricultural education teachers when engaged in lessons involving mathematics instruction. The study population of Oregon and Washington agricultural educators utilized in the validation of the...
Exotic ponderosa pine (Pinus ponderosa Doug. ex Lawson) plantations are being planted within the natural distribution area of cordilleran cypress (Austrocedrus chilensis (D.Don) Pic. Ser. et Bizzarri) in Patagonia, Argentina. The productivity of these exotic plantations is much greater than that of native forests, suggesting greater water use. Before these...