We sampled vegetation, bryophytes, lichens, environment, and stand dynamics in 56 plots in the Swan Valley, Montana in 1975-1978. The data include complete inventory of trees in 375 m2 plots, with whole-plot ocular estimates of plant cover by species, transect sampling of the ground layer bryophytes and lichens with microplots,...
Bird and bat collisions with wind turbines are a problem that needs to be better quantified for its impact to be fully understood. This thesis documents portions of the design of a sensor patch module for use on wind turbines blades to detect impacts caused by birds and bats. This...
This paper provides a literature review in order to capture the state of the Special Purpose Acquisition Company (SPAC) market, incorporating the most recent research from 2020 and 2021. SPACs are an alternative way to take a company public. Rather than going through the traditional IPO process to access public...
Five varieties of industrial hemp (Cannabis sativa) were grown in the field in Imperial Valley, CA, USA in order to determine whether light conditions or harvest times influence cannabinoid content. A total of 16 cannabinoids were investigated in this study: Delta-9-tetrahydrocannibinol (THC-d9), Delta-9-tetrahydrocannibinolic acid (THC-a), Cannabidiol (CBD), Cannabidiolic acid (CBD-a),...
Photosynthetic diatoms and marine bacteria contribute about one third of the net primary production in marine environments. Understanding the interactions between these two organisms is potentially important to the over all flow of carbon in the marine ecosystem.
Volatile organic compounds (VOCs) play an integral role in climate change and as a carbon source for organisms living in a marine environment. These compounds have many sources, but the impacts of biogenically produced VOCs is not fully known. Phaeodactylum tricornutum was studied under axenic ideal growth conditions to determine...
While seemingly harmless, stereotypes can play a significant role in prejudice and discrimination. In two studies, we examined stereotypes of Asian American women and how they may vary with different clothing types. We used a mixed factorial design with a sample of college students from a U.S. university. In the...
Rhizome is an information-centric model that uses different interaction methods than traditional desktop systems. I built Rhizome with the specific use case of sharing a photo to observe people using the Rhizome operating system (OS) shell and modern OS shells. The purpose of this is to measure the cognitive load...
These datasets were used in the prospective meta-analysis of northern spotted owl reproductive rates over 25 years across 11 study areas located throughout the range of the owl. A multi-state occupancy file was created by collapsing site-specific information on owl reproductive status into bimonthly (2 per month) survey occasions. These...
The Oregon Library Association has produced its peer-reviewed journal, the OLA Quarterly (OLAQ), since 1995, and OLAQ was published in Digital Commons beginning in 2014. When the host institution undertook to move away from Bepress, their new repository solution was no longer a good match for OLAQ. Oregon State University...
Blue-striped Brodiaea or Leach's Brodiaea (Triteleia hendersonii Greene var. leachiae [Peck] Hoover, or Brodiaea hendersonii Wats. var. leachiae ) Lily Family (Liliaceae) is found in the foothills of the Siskiyou Mountains of Curry, Coos and Josephine Counties of southwestern Oregon. It is occurs in a variety of habitats including meadow...
Wildland urban interface (WUI) communities in the Western United States have recently dealt with historic and devastating wildfires year after year. The fires have cost tens of billions in damage, burned tens of thousands of structures, displaced thousands of residents, and killed over one hundred people. The 2017 Tubbs fire...
This dataset is designed to capture landscape changes brought on by a severe tree mortality episode in California's southern Sierra Nevada range, by mapping multiple land cover types in a continuous way at annual time-steps throughout the mortality event. By mapping multiple land cover types we can see not only...
Locating sources of radio signals can be useful in many applications. From pointing antennas at nearby radio towers to fox hunting, being able to determine the relative location or direction to a radio transmitter can be very useful. Generally, it is necessary to have the current GPS locations of both...
The dataset is a layer file created in ArcGIS Pro 2.2. The dataset includes digitized outlines of the seaward edges of five Oregon salt marshes (Nehalem, Netarts, Salmon, Alsea, and Coquille). These are roughly decadal from 1939 to 2018 and were hand-digitized using historical aerial photography (1939 to the late...
Microplastics (<5mm) are a ubiquitous environmental pollutant that have the potential to cause significant harm in many fish species. Therefore, understanding the quantities at which they are being consumed by living organisms is crucial for characterizing risk. There are currently gaps in the microplastic literature regarding microplastic data from finfish...
Microplastics (<5mm) are a ubiquitous environmental pollutant that have the potential to cause significant harm in many fish species. Therefore, understanding the quantities at which they are being consumed by living organisms is crucial for characterizing risk. There are currently gaps in the microplastic literature regarding microplastic data from finfish...
The scientific method applies hypothesis testing to material samples through experimentation, measurement, and data analysis, which produce representations—or features—that describe phenomena of interest. Biomolecular features come in numerous forms such as values, matrices, graphs, three-dimensional structures, trajectories, and molecular surfaces. Researchers have tested thousands of features related to protein molecules...
Distance estimation is a key process for movement and spatial cognition. However, this process is hindered when navigating virtual environments in virtual reality (VR) due to the movement being exclusively visually simulated. In order to contribute to the understanding of how this hinderance effects our ability to estimate distances in...
These high resolution (5x5-meter pixel) categorical models of land cover were created by training random forest classification models on
RapidEye (Planet Labs Inc.) satellite spectral data for each year and then predicting those models across the landscape. Training data were created by visually interpreting random plots over high resolution NAIP...
This dataset contains records of identified benthic and aquatic emergent invertebrates from pre-timber harvest, post-timber harvest, and reference (no harvest) collection sites in the Hinkle Creek watershed. A variety of fish-bearing tributaries, fishless tributaries, and mainstem creek sites were sampled. Benthic invertebrates were collected using Serber nets and emergent adults...
This study examines how three measures of child health: overall health status, access to health insurance and dental checkup status, predict the likelihood of a child experiencing higher number of absences in children eligible to attend Head Start, and how that association is influenced by the presence of a depressed...
Archaeological investigations at the Cooper's Ferry site in Western Idaho have recovered cultural remains dating to 16,000 years ago, suggesting the oldest human occupation recorded in North America. However, many archaeologists have argued the initial peopling of North America occurred no earlier than the opening of an ice-free corridor between...
Advanced machine learning algorithms, such as neural networks, have the potential to be successfully applied to many areas of system modelling. Several studies have been already conducted on forecasting structural damage due to individual earthquakes, ignoring the influence of seismic sequences, using neural networks. In the present study, an ensemble...
Water chemistry measurements taken at or downstream of Fall Creek Reservoir, OR (43.9459714, -122.755765). Fall Creek is a tributary of the Middle Fork Willamette River, located approximately 20 miles SE of Eugene, Oregon, USA.
Water chemistry measurements included water samples collected from the reservoir outflow (during autumn drawdown) and within...
These data contain temperature readings from dataloggers launched in Deer Creek, Flynn Creek, and Needle Branch from 2006 to 2010. These loggers were apart of the Alsea Watershed Revisisted Study Revisited articles, but the data was incomplete due to logging gaps, temperature spikes, or other issues. The "Thermistor Functionality" datasets...
Open Journal Systems (OJS) is an open source software application for managing and publishing scholarly journals that is used by thousands of journals worldwide. Oregon State University Libraries & Press shares an instance of OJS with University of Oregon Libraries that hosts several open access journals. So when Pacific University...
Abstract:
Resource managers and policy face challenges in forecasting the demand for natural resources replenishment (where possible) of natural resources due to changes in human lifestyle, population change and economic development. The year 2020 demonstrated this challenge on several fronts, including the realm of natural resources. Additionally, much competition for...
Non-toxic species of desiccated blue-green algae, or cyanobacteria, may offer potential for use as a fertilizer on irrigated crops. Here, the non-toxic cyanobacteria species Aphanizomenon flos-aquae (AFA), collected from Upper Klamath Lake, Oregon, was evaluated for use as a biofertilizer in a controlled experiment on Swiss chard “Bright Lights” (Beta...
This study examined the perceptions of team members of a sister library initiative between Nimbe Adedipe Library, Federal University of Agriculture, Abeokuta, Nigeria and the Valley Library, Oregon State University, Corvallis, USA. An online survey and focus group discussion were used as data collecting instruments. All of the 26 members...
Olive production potential in Oregon was researched in a multi-disciplinary approach, including a grower survey, a propagation greenhouse study, and a field study, from 2018 through 2020. The Oregon Olive Grower Survey was designed to collect information relating to orchard establishment and management practices, knowledge and understanding of these practices,...
These datasets were used in the prospective meta-analysis of northern spotted owl reproductive rates over 25 years across 11 study areas located throughout the range of the owl. A multi-state occupancy file was created by collapsing site-specific information on owl reproductive status into bimonthly (2 per month) survey occasions. These...
Like many areas around the globe experiencing ever-growing demand for diminishing natural resources, the south-central region of Texas is facing a wicked problem in water resource planning and sustainability. This Region includes San Antonio, the seventh largest city in the U.S. With a projected population increase over one million residents...
Solutions to Einstein's equations are usually found by considering ideal, simplified models. However, if the real world always matched ideal physics models, then farmers would milk black and white spheres. To combat this, Regge calculus was developed as a numerical approximation scheme for general relativity. In Regge calculus curved manifolds...
In recent years, participation in outdoor recreation has increased, with nearly half of Americans partaking annually (Thomsen, Powell, & Monz, 2018). The goal of recreation management is to provide diverse opportunities for leisure services through preservation of parks, open space, recreational facilities, and programs for park visitors. Management activities can...
The following text is a consolidated version of the Cakrasaṃvara Samādhi, along with the Guru Maṇḍala, Sūryārgha, Pañcagavya, Guru Pādārgha, Kāybhaḥ Pūjā, Rahasya Pūjā, Kalaśa Pūjā, Vāruṇī Pūjā, Bali Pūjā, Kīgaḥ Tine, and a Pātra Jñāna. The Cakrasaṃvara Samādhi, as has been discussed above, is the primary pūjā and sādhanā...
This essay is a reflection of my college experiences and that of other undocumented/DACAmented students at Oregon State University and in the United States (Dreamers). It includes a discussion of institutional support, my graduate school experience, lessons learned, plans for my future, and recommendations for institutional leaders at OSU.
Between Oregon State University and DHBW Ravensberg, Global Formula Racing produces two Formula style vehicles every year for competition. This thesis has served as a pre-development project in the ergonomics and driver interface of the team's vehicles. This project will determine the position of the seat back, steering wheel, and...
In recent years, participation in outdoor recreation has increased, with nearly half of Americans partaking annually (Thomsen, Powell, & Monz, 2018). The goal of recreation management is to provide diverse opportunities for leisure services through preservation of parks, open space, recreational facilities, and programs for park visitors. Management activities can...
As fifth generation telecommunications equipment becomes more viable and reliable, demand for high-speed, low-latency, viewpoint specific data analysis is expected to dramatically increase. Systems such as self-driving cars, traffic cameras, warehouses and other commercial buildings will be using fifth generation telecommunications to form ‘smart cities’, driving demand for the edge....
Immunosuppression during the periparturient period leads to increased susceptibility to infectious diseases in beef cows. Newborn calves rely on passive transfer of antibodies from their mothers at birth for protection against diseases in the first two months of age. It is unknown if supranutritional Se supplementation of cows during pregnancy...
The COVID-19 pandemic has impacted most institutions and individuals in some capacity, and college students are no different. The unique perceptions and experiences of college students during the COVID-19 pandemic has the potential to be interesting social phenomena that could prove useful for institutions such as universities, governments, and public...
Turbulent flows with suspended, non-spherical particles are common in many natural and industrial processes. To identify the effects of anisotropic geometry on particle dynamics, a one-way coupled Lagrangian direct numerical simulation solver was written, verified, and used to collect data on particles simulated in multiple flows. This thesis explains the...
Neurofibromatosis type 2 (NF2) is a genetic disorder caused by the inactivation of the
merlin tumor suppressor gene. NF2 patients develop bilateral vestibular schwannomas
(VS) and other nervous system tumors with no effective drug treatment option. In
pathological conditions, including NF2, production of the oxidant peroxynitrite leads to
protein tyrosine...
Knowledge of the pore solution composition and pore solution resistivity can be helpful for determining the durability of concrete structures. Most notably, pore solution resistivity can be used in the calculation of the formation factor of concrete, which is a ratio of the electrical resistivities of concrete and its pore...
The purpose of this thesis is to examine gender and historical bias in wind band music and related practices in the Pacific Northwest. This research was conducted via an IRB approved research study, Equity and Gender Bias in High School Music Programming in the Pacific Northwest: A Case Study, which...
Arsenic in its inorganic form is naturally present in groundwater. Continued exposure to arsenic contaminated water can result in long lasting health complications, ranging from cognitive development issues to cancer. One method which may be convertible to a field test is the use of PEG functionalized gold nanoparticles which aggregate...
Local economic development can help lessen the impact of large-scale shocks on small communities as it provides them with resilient systems that do not require as much support from global supply chains. In smaller communities, shared governance, interactive and adaptive planning, and evidence-based policymaking strategies can facilitate resilient systems. The...
This thesis seeks to explain a new method of extracting temporal logic formulas from time series data using machine learning. Two strategies were followed during the development of this research: first, a generative adversarial network was combined with already-existing temporal logic extraction code by Belta. This was achieved by injecting...
The canine estrous cycle is unique compared to other domestic animal species. During estrus, serum progesterone concentrations ([P4]) rise two days prior to ovulation. In fact, the luteinization of pre-ovulatory follicles resulting in this initial increase in [P4] (1.5-2.5 ng/ml) cannot be temporally dissociated from the onset of the surge...