Oregon State University (OSU) faculty members have supported the success of agriculture producers and their businesses for more than 100 years. Through research, education and community engagement, OSU faculty have helped agriculture producers and value-added operators respond to threats and opportunities in a manner that has brought vitality and sustainability...
The Oregon Sea Grant Visitor Center at Hatfield Marine Science Center attracts 150,000 visitors a year and does not require an admission fee. Surveying visitors, 39% of all people indicated that half or more of their reason for coming to the Oregon coast was to visit the Visitor Center.
The Community Action Partnership of Oregon (CAPO) approached Oregon State University to assist in developing statewide indicators which help local agencies better utilize data for continuous improvement. The project was expanded to include Washington and Idaho. This report summarizes the project's findings.
This report details a collaborative effort of the Wallowa Resources, Northeast Oregon Economic Development District and Oregon State University faculty members jointly affiliated with Extension Service and the Rural Studies Program to develop indicators of Wallowa County community vitality in a way that reflects the goals and values of the...
This document is a report on the Baseline Vital Vernonia Indicator Project, an effort aimed at exploring community vitality in Vernonia, particularly in light of recent catastrophic floods and subsequent rebuilding and community development initiatives. The Vital Vernonia Indicator Project is a collaboration of Oregon State University Extension Service, Rural...
This document is a report on the Baseline Vital Vernonia Indicator Project, an effort aimed at exploring community vitality in Vernonia, particularly in light of recent catastrophic floods and subsequent rebuilding and community development initiatives. The Vital Vernonia Indicator Project is a collaboration of Oregon State University Extension Service, Rural...
A product of the Vital Tillamook Indicator Project.
This executive summary provides an overview of a collaborative effort of the Tillamook County Futures Council and Oregon State University faculty members jointly affiliated with Extension Service and the Rural Studies Program developed 50 indicators of Tillamook County: 2020 Strategic Vision in...
A product of the Vital Tillamook Indicator Project.
This report details a collaborative effort of the Tillamook County Futures Council and Oregon State University faculty members jointly affiliated with Extension Service and the Rural Studies Program developed 50 indicators of Tillamook County: 2020 Strategic Vision in order to gain insight...
Part of the Vital Tillamook Indicator Project.
This presentation summarizes a collaborative effort of the Tillamook County Futures Council and Oregon State University faculty members jointly affiliated with Extension Service and the Rural Studies Program developed 50 indicators of Tillamook County: 2020 Strategic Vision in order to gain insight into...
The main objective of this project was to compare on-farm measurement techniques for estimating N-contributions from cover crops using 1) separated species lab tests (a standard experimental method), 2) bulked species lab tests, 3) fresh weight, 4) dry weight and 5) canopy height and density. We also recorded relative weed...
This Guidebook follows a holistic approach to adaptation planning called community-driven climate resilience planning. Community-driven climate resilience planning is “the process by which residents of vulnerable and impacted communities define for themselves the complex climate challenges they face, and the climate solutions most relevant to their unique assets and threats.”...
Climate Change in the Northwest: Implications for Our Landscapes, Waters, and Communities is a report aimed at assessing the state of knowledge about key climate impacts and consequences to various sectors and communities in the Northwest United States. This report draws on two recent state climate assessments in Washington in...
This report, required by state law under HB3543, provides a comprehensive assessment of the state of science of climate change as it pertains to Oregon, covering the physical, biological, and social dimensions. The first chapter summarizes the current state of knowledge of physical changes in climate and hydrology, focusing on...
The group of scientists that make up the Intergovernmental Panel on Climate Change found in 2007 that the warming of Earth’s climate is unequivocal and largely due to human activity. Earth’s climate has changed in the past, though the recent magnitude and pace of changes are unprecedented in human existence....
O&E Magazine is published by Oregon State University Division of Outreach and Engagement to engage the people of Oregon in learning and discovery. In this inaugural issue of O&E magazine, we celebrate the centennial of OSU Extension and look forward to the next 100 years of outreach and engagement with...
The Oregon State University Extension Service engages the people of Oregon with research based knowledge and education that strengthen communities and economies, sustain natural resources, and promote healthy families and individuals. This document gives a 100-year history of OSU Extension.
Crops were grown at the experimental farms using accepted cultural practices (within the limits of experimentation) or trials were conducted on growers' fields. Most experiments were designed as randomized complete blocks with three to five replications. Herbicide treatments were applied uniformly with CO₂ precision plot sprayers. Unless otherwise indicated, preplant...
The data retrieved from gt;momic sequencing techniques provides the raw information required to infer the basis of mutations and their resulting phenotypes, wherein plant ontologies can be utilized in annotating said phenotypes using a common, shared vocabulary. By relating mutant genes of similar phenotypes both within and between plant species,...
Massive Open Online Courses (MOOCs) have generated considerable excitement and considerable skepticism since their recent inception (e.g., Kim, 2014; Perna et al., 2014). By fall 2015, approximately 35 million people had participated in 4200 courses offered by over 550 institutions (Shah, 2015). In addition to MOOCs’ potential for expanding access...
Prior research has suggested that homework activities that encourage learners to think more conceptually about to-be-learned material can have positive benefits on overall content learning. Can such activities be implemented successfully in online coursework, and does it produce the anticipated benefit? In two sections of an online Psychology course, participants...
Everyone involved in online education talks about community – what is it, how is it created, do students really want it? Most researchers now agree that online education is enhanced through a greater sense of community within the online classroom; however, the factors that make for a substantive and quality...
As an Oregon State Ecampus Research Fellow, I designed and initiated a research study that aimed to: 1) investigate tools and techniques for engaged, experiential online learning with undergraduate philosophy students and 2) propose disciplinespecific criteria for evaluating the impact of these pedagogical interventions. The study was designed to answer...
Online teaching and learning has become an increasingly important aspect of the educational mission of universities. In person, teachers have time-tested tools for assessing student ability, including a wealth of verbal and nonverbal communication. The online format provides a wealth of data, and promises—but may not yet deliver—useful tools for...
The literal distance inherent in online education can be an important difference between it and traditional classroom settings, such that proximate, on-site learning is thought to be where experiential, transformative education happens (Cohen, 2013). Yet it is possible that some of the most compelling, effective aspects of traditional, proximate education...
A review of research conducted at OSU to determine compost value as a mulch or soil amendment for blueberry produced under conventional, transitional, or organic production systems.
Urban landscape soils are often compacted by construction activities, thereby restricting plant establishment. Common approaches to improve plant establishment on compacted soils are to till soil before plant installation, to apply compost, or to choose plants that can tolerate drought. This research was undertaken to evaluate the relative importance of...
Accurate estimates of soil nitrogen (N) mineralization rate and timing are needed for refining N management practices. This paper describes a buried bag method that has been successfully included within agronomic field trials in the Pacific Northwest, USA. We have found this method to be technically simple and reproducible, and...
Sea otters fulfill a keystone role in several Northeastern Pacific nearshore ecosystems. However, their influence has been absent in Oregon coastal waters since their extirpation in the 19th and early 20th century. Interest has been growing for a translocation attempt to reintroduce sea otters to Oregon from one or more...
Fluorescent proteins have emerged as an essential toolset for bioimaging, creating a demand for engineering proteins with new and improved fluorescent properties. In this thesis, I explore the atomistic structure of REX-GECO1, a newly engineered protein biosensor that has unique optical properties. Since this protein has no available crystal structure,...
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...
Many high school teachers are prohibited from interacting with students in social media sites despite the fact that the majority of teenagers actively use them. The first opportunity most students have to interact with instructors in an online environment is in higher education. University and college librarians can take the...
The Treasure Valley (TV) of Idaho is an arid valley in the southwest portion of the state that contains the state’s largest city, Boise and surrounding metropolitan area. A regional Urban Tree Canopy (UTC) Assessment was performed for the TV in 2013. This assessment documented 10% UTC for the Treasure...
As it was conceptualized, the manual is aligned with other field manual that are currently in use by different universities, such as Mississippi State University, Stephen F Austin, or University of British Columbia. The present manual is the first unified version of Louisiana Tech University of a Field Manual to...
Linden (Tilia spp.), a profusely flowering temperate tree that provides bees with vital pollen and nectar, has been associated with bumble bee (Bombus spp.) mortality in Europe and North America. Bee deaths have been attributed, with inadequate evidence, to toxicity from mannose in nectar or starvation due to low nectar...
In the present work, a correlation is made between seismic intensity parameters and total damage indicators of reinforced concrete structures. For this purpose, natural ground motions recordings were used, from which intensity measures were calculated and alternatives were proposed. Then, through dynamic inelastic time history analyzes, damage indices were evaluated...
Research poster for Summer Undergraduate Research Symposium 2019. Research was conducted with CURE funding in the Perez lab studying cellular senescence in the PS19 mouse model.
Proceedings of the 78th Annual Pacific Northwest Insect Management Conference, held January 7-8, 2019 at the Hilton Hotel in Portland, Oregon.
These are research reports only, not management recommendations.
Proceedings of the 77th Annual Pacific Northwest Insect Management Conference, held January 8-9, 2018 at the Hilton Hotel in Portland, Oregon.
These are research reports only, not management recommendations.
Preplant compost application increased plant growth and visual appearance of a wide variety of perennial landscape plants. The positive plant growth response to compost was similar for com-post left on the soil surface or compost incorporated via rototilling. Compost application did not alleviate soil compaction. Plant growth response to compost...
In my view, ecocriticism needs a foundation in something akin to metaphysics. This work in progress began as an effort to find such a foundation. In the course of working on it, I discovered philosophers today, mostly young, clearly a new generation, philosophizing under the umbrella term “speculative realism” what...
Following the surface application of urea to soil, there is the potential for nitrogen (N) loss from ammonia (NH3) volatilization until sufficient rain or irrigation has moved it into the soil. Many studies measuring NH3 loss have used laboratory and microplot field studies. The limitation of these techniques is that...
Following the surface application of urea to soil, there is the potential for nitrogen (N) loss from ammonia (NH3) volatilization until sufficient rain or irrigation has moved it into the soil. Many studies measuring NH3 loss have used laboratory and microplot field studies. The limitation of these techniques is that...
Sablefish is a highly sought after seafood delicacy for which aquaculture of this species has recently been developed. By understanding the immunological functions in sablefish, our goal was to develop a mammalian fluorescent bioparticle assay that can viably analyze the efficiency of phagocytosis, an important function of the immune system....
Skin condition assessment of wildlife can provide insight into individual and population health. Yet, logistics can limit skin condition assessment of large whales. We developed a standardized, quantitative protocol using photographs to assess skin condition of blue whales in New Zealand, and demonstrate the value gained by testing hypotheses, documenting...
Contaminants in stormwater such as heavy metals, PFASs, PCBs, and PAHs are an issue for public infrastructure and remediation practices. Biochar, granular activated carbon (GAC), OGSIR soil, and commercial adsorbent materials have been evaluated with the heavy metals Cu2+ and Zn2+. Copper and zinc as stormwater contaminants were treated with...
The goal of this project was to estimate the total annual cost of salmon recovery efforts throughout the Columbia River Basin from all stakeholders, including direct and indirect costs. How much is spent on salmon recovery efforts each year in the Columbia River Basin? Depending on who you ask, you...
Peppermint residue consists of the cooked leaves and stems of the peppermint plant after high-temperature distillation to extract oil. This residue has value as a soil amendment. It is often applied to fallow fields in the fall or sold as a soil amendment to gardeners. Research was conducted to determine...
There is growing interest to use supercritical carbon dioxide (sCO2) as a working fluid in thermal management applications. This study investigates the thermal-hydraulic performance of microchannel heat sinks as a function of flow channel geometry and orientation at operating conditions representative of electronics cooling applications. Three different experimental test sections,...
Supercritical carbon dioxide (sCO2) experiences a drastic change in its thermophysical properties near the thermodynamic critical point. A non-linear thermophysical property variation can influence the heat transfer behavior of sCO2 which is not predicted well by conventional single phase heat transfer theory. This can become a major hindrance in the...
In climate regions with large seasonal variations in solar radiation, such as the Pacific Northwest of the United States, a solar thermal energy collector might not economically satisfy year-round domestic water heating demands, requiring an auxiliary unit, such as a natural gas-fired water heater. Previous studies have shown that the...
Membrane based heat pumps systems have attracted the attention of many research groups as a potentially more environmentally friendly alternative to vapor compression systems for space cooling. Several prototype systems have been developed, with reported claims of Energy Efficiency Ratios (EER) approaching 26. At present, no detailed analysis is publicly...
The advancement of additive manufacturing enables significantly greater freedom of design compared to conventional techniques. Of significant interest is the potential improvements in the design of cold plates and heat sinks for electronics cooling. Greater design freedom could enable new designs that reduce thermal resistance and hydraulic resistance, enabling the...
Concentrated solar power (CSP) plants have the potential to provide 24 h, renewable electricity. Current CSP systems have high capital and operational costs which makes the levelized cost of electricity uncompetitive with conventional techniques. Recent experimental research has shown the potential of small unit cells (up to 2 × 2 cm) containing micropin arrays...
Qualitative two-phase flow regime data are obtained from high-speed visualization of condensing flows of R-134a at mass fluxes from 75 to 150 kg m−2 s−1 and quality from 0.1 to 0.8 in square microchannels (DH = 0.84 mm) cooled from a single side. Superheated R-134a is distributed into multiple parallel microchannels and then partially condensed, using...
On July 9th, the Pacific Marine Energy Center (PMEC) and PacWave hosted national and international experts from government, academia and industry, and across maritime sectors, to explore future research and testing opportunities associated with the development of the PacWave testing facilities. This report summarizes the findings from the strategic break-out...
This project describes the investigation of marine cyanobacteria collected from the Red Sea with an emphasis on the identification and prioritization of biologically active fractions for future purification and molecular structure elucidation of medicinally relevant secondary metabolites.
Five crude extracts of taxonomically unidentified Red Sea cyanobacteria supplied by Egyptian collaborators...
Arctic freshwater ecosystems have been profoundly affected by climate change. Given that the Arctic charr (Salvelinus alpinus) is often the only fish species inhabiting these ecosystems, it represents a valuable model for studying the impacts of climate change on species life‐history diversity and adaptability. Using a genotyping‐by‐se‐ quencing approach, we...
Little is known about intraspecific variation within the deacon rockfish (Sebastes di‐ aconus), a recently described species found in the northeast Pacific Ocean. We in‐ vestigated population structure among fish sampled from two nearshore reefs (Siletz Reef and Seal Rock) and one offshore site (Stonewall Bank) within a <50‐km2 area...
Herein, we report an efficient combinatorial therapy for metastatic ovarian cancer based on siRNA-mediated suppression of DJ-1 protein combined with a low dose of cisplatin. DJ-1 protein modulates, either directly or indirectly, different oncogenic pathways that support and promote survival, growth, and invasion of ovarian cancer cells. To evaluate the...
Recent studies have shown that novel continuous dropout methods can be viewed as a Bayesian interpretation of model parameters, though most such studies have shown results using normal distributions. As the posterior distributions over neural network nodes and parameters are intractable, given that they are a result of artificial construction...
The nasal spray market is growing as rates of use are increasing, however, there has been little research on the topical of how the mechanical properties of nasal sprays affect loading, comfort, and usability. To gather to make these comparisons, the data of 20 participants were gathered by measuring muscle...
Consumers are increasingly turning to farm direct foods for personal reasons, such as fresh and healthy food, and for public reasons, such as supporting local and rural economies and reducing the environmental impact of their food choices. As a result, farmers’ markets and other direct farm marketing has increased substantially...