3) The standard deviations of the SST anomalies in the HadISST1.1 dataset are 0.2–0.4°C smaller prior to 1949 than after 1949. This nonstationarity could complicate interpretations of the long HadISST1.1 data record for some studies of climate variability. It is likely attributable mostly to the improved sampling of SST observations...
In 2008, the “Great Recession” gained its momentum and quickly grew into a global crisis that led to massive gross domestic product declines and job losses in countries around the world. Relative to prior economic downturns, young adults were greatly affected by the Great Recession. This likely placed a premium...
This thesis is an exploration of writing a music album from a singer-song writer perspective. It contains the process of writing lyrics and music, inspiration from other artists, as well as performance. It goes through the emotional ebbs and flows of creative writing, ground work for recording an album and...
The present research sought to investigate the relationship between an individual's word choice and their social well-being. In the present investigation, social well-being is a person's social health in relation to their social environment, social network, and ability to interact with others in a social context. This thesis was based...
This study explored how micro-credit benefits women processing cultured catfish into smoked form by obtaining and analyzing their perceptions. The specific objectives included identifying micro-credit sources used, sources preferred and ranking factors considered when deciding on a micro-credit choice. Multi-stage sampling technique was used in selecting 120 processors analyzed. Analytical...
Over 70% of the Antarctic krill population exists along the Antarctic Peninsula, a region undergoing rapid climate change. Recent studies have shown a clear correlation between krill recruitment each spring and the timing and coverage of sea ice the winter before, with less sea ice and a shorter duration being...
Increasing renewable energy development is often seen as an essential tool for combating global climate change, yet despite widespread support in theory, renewable energy often faces problems at the implementation stage. In the state of Washington, where voters have expressed a desire for greater renewable energy by mandating that 15%...
Concerns over climate change and energy security have spurred governments worldwide to encourage the development of renewable energy. Although public attitudes and macro-politics, in general, show moderate to strong support for renewables- in particular, wind power- largely because of the economic and environmental benefits associated with it. However, local politics...
The Forest Elevation Snow Transect (ForEST) project is a paired site elevational snow study. It is designed to measure how snow accumulates and ablates under different forest structures across an elevation range. The ForEST project has been ongoing since the winter of 2011-2012 within the McKenzie River Basin of the...
The SLICES framework is intended for use in making decisions about conservation and restoration in the Willamette River floodplain. It makes use of distinct spatial units, called slices, for planning and tracking change in the floodplain. The first of these units are 1 kilometer long slices drawn at right angles...
With continual and worldwide human population growth, our impact on the natural environment expands and intensifies every day. We consume natural resources, burn fossil fuels, and release toxic compounds into the air, water, and earth. We build roads that fragment the landscape, construct new settlements, and develop agricultural lands in...
Wildfire risk in temperate forests has become a nearly intractable problem that can be characterized as a socioecological “pathology”: that is, a set of complex and problematic interactions among social and ecological systems across multiple spatial and temporal scales. Assessments of wildfire risk could benefit from recognizing and accounting for...
An understanding of fishers' decisions to exit or stay in a fishery is important for developing effective policy measures. In this study, we analyze the factors influencing this decision using a large administrative database covering the entire Swedish fisher population, their family ties, and detailed labour market data spanning two...
We investigate how individual preferences affect noncompliance in fisheries. We use data from a combined web-based experiment and survey of Norwegian fishermen to empirically analyze this. In the economic experiment, the participants won real money in a set of lotteries based on their answers and lottery outcomes. Based on the...
This is an author's peer-reviewed final manuscript, as accepted by the publisher. The published article is copyrighted by Taylor & Francis and can be found at: https://doi.org/10.1080/0735648X.2016.1174619
Individual quota (IQ) management systems in commercial marine fisheries are highly diverse, differing in the security, durability and exclusivity of the harvesting privilege and the transferability of quota units. This diversity in the degree of harvest rights may influence the effectiveness of IQ fisheries to meet management objectives. We conducted...
This study proposed a theoretical model of choice overload and empirically examined the model in the context of online apparel shopping. The purpose of the study was to investigate how the number of choices and product presentation formats influenced consumers’ online apparel shopping experience as well as how the formed...
The forest sector and the global financial crisis (GFC) provide a unique setting for investigating the relationships among market orientation, innovativeness and firm performance. While most of the extant literature suggests that market orientation helps a firm build its innovativeness, we suggest that in the production oriented forest sector, especially...
Wheeled mobility devices (WhMD) pose unique safety risks to users while riding public transportation. Unsecured or improperly secured WhMDs create safety concerns for other transit riders and operators. Tests using accelerometers and visual observations were conducted to understand how WhMD orientation and securement in articulated buses, streetcars, and light rail...
This document provides an overview of a presentation held during the Industry and Policy Day at the IIFET 2016 Scotland conference in July 2016. The presentation was part of Session A3: Reformed CFP - Implications for Routes to Market. The session was chaired by Marcus Coleman, and the presentation was...
The purpose of this thesis is to understand the experiences that Nahua children, in rural Mexico, have as they attend schools that are primarily influenced by formal Western education in relation to their own ways of learning and knowing. This research took place over the course of three months within...
On March 31, 2016 the Oregon State University Postdoctoral Association and the Oregon State University Libraries hosted an open access panel moderated by Pedro Molina-Sanchez. Speakers included Michaela Willi Hooper, Scholarly Communication Librarian at OSU Libraries; Rachael Kuintzle, PhD student in the OSU College of Science; Marit Bovbjerg, Faculty in...
The interplay of natural selection and genetic drift, influenced by geographic isolation, mating systems and population size, determines patterns of genetic diversity within species. The sperm whale provides an interesting example of a long-lived species with few geographic barriers to dispersal. Worldwide mtDNA diversity is relatively low, but highly structured...
This report summarizes vegetation data collected in July 2015 in wet meadow and marshy habitats on the Double O Unit of Malheur National Wildlife Refuge (MNWR). Because vegetation sampled at the Double O was wetter and more alkaline than wet meadows sampled at the south end of the refuge in...
Relatively little is known about aboveground nutrient content of organic blackberry, and there is no published work on total carbon (C) content. Treatment effects on biomass, C, and nutrient content, accumulation, and removal were assessed over 2 years in a mature organic trailing blackberry (Rubus L. subgenus Rubus, Watson) production...
Organic production of blackberries is increasing, but there is relatively little known about how production practices affect plant and soil nutrient status. The impact of cultivar (Black Diamond and Marion), weed management (nonweeded, hand-weeded, and weed mat), primocane training time (August and February), and irrigation (throughout the summer and none...
The spatio-temporal overlap of morphologically undistinguishable weak and healthy stocks is a major concern for the Pacific Northwest troll Chinook salmon fishery. Regular fishery closures have led to major financial losses calling for alternative regulatory measures. One approach for such complex and pressing socio-ecological challenges is the transition towards transdisciplinary...
Collaborative governance strives to address complex environmental problems by building cooperation and consensus among stakeholders. While there are many successful examples of collaborative governance, all too frequently collaborative groups come to an agreement in the meeting room only to struggle to bring their plans to fruition. What are the factors...
Currently, wax printing is limited to materials that can be processed by a wax printer. Wax transfer printing is a method that allows previously unusable materials to be patterned with wax via an intermediate template. Millipore cellulose, a material too thick to be processed by a wax printer, was patterned...
A wave-by-wave forecasting system is desired for optimization of wave energy conversion devices and for improving safety of vessel-based marine operations. This study outlines the first validation attempts of a recently developed forecasting system called Wavecast. The forecasting approach uses X-Band marine radar images for data assimilation, then reconstructs and...
Observations of winds, waves, and turbulence at the ocean surface are compared with several analytic formulations and a numerical model for the input of turbulent kinetic energy by wave breaking and the subsequent dissipation. The observations are generally consistent with all of the formulations, although some differences are notable at...
Sharing of research data has begun to gain traction in many areas of the sciences in the past few years because of changing expectations from the scientific community, funding agencies, and academic journals. National Science Foundation (NSF) requirements for a data management plan (DMP) went into effect in 2011, with...
There are many different organizations and agencies which share responsibility for educating the public about responsible use of aquatic and marine resources. However, organizations specifically focused on particular dimensions of water use, such as Oregon State Marine Board (OSMB), often face challenges when attempting to recruit teachers to implement educational...
The intent of this report is to provide a brief description of water quality issues in Nicaragua, Uganda and Bangladesh, and the technologies available to address these issues. The water quality parameters considered include: bacterial contamination, heavy metals and arsenic, pesticides and industrious chemicals, turbidity, radiological characteristics, and taste and...
This is PMEL Contribution 4396.
Acidification has sparked discussion about whether regulatory agencies should place coastal waters on the Clean Water Act 303(d) impaired water bodies list. Here we describe scientific challenges in assessing impairment with existing data, exploring use of both pH and biological criteria. Application of pH criteria...
Drought and mandatory water restrictions are limiting the availability of irrigation water in many important blueberry growing regions and new strategies are needed to maintain yield and fruit quality with less water. Three potential options for reducing water use, including deficit irrigation, irrigation cut-offs, and crop thinning, were evaluated for...
The global terrestrial carbon sink offsets one-third of the world’s fossil fuel emissions, but the strength of this sink is highly sensitive to large-scale extreme events. In 2012, the contiguous United States experienced exceptionally warm temperatures and the most severe drought since the Dust Bowl era of the 1930s, resulting...
Childhood obesity and physical inactivity are significant health problems. According to the CDC (2012), only 12.5% of high school students meet the recommended requirements for physical activity. One method to reverse this trend is promoting physical activity. The Walk to School Program promotes active transportation in schools nationwide. PURPOSE: The...
Our latest edition of the OWRI Technical Newsletter contains helpful Extension information, updates and research discoveries. Dr. Jay Pscheidt, Professor and Extension Plant Pathologist, OSU, opens the newsletter with an article about the potential effects of climate change on powdery mildew; a timely topic for the 2016 growing season. Dr....
Our latest edition of the OWRI Technical Newsletter contains research updates, the latest Extension resources, and a comprehensive list of publications outlining research conducted by members of the Oregon Wine Research Institute at Oregon State University. Dr. Patty Skinkis, Viticulture Extension Specialist & Associate Professor, OSU opens the newsletter with...
Graphics hardware in mobile devices has become more powerful, allowing rendering techniques such as ray-cast volume rendering to be done at interactive rates. This increase of performance provides desktop capabilities combined with the portability of a tablet. Volumes can demand a high amount of memory in order to be loaded...
The purpose of this thesis is to better understand how students who experience anxiety that interferes with their daily functioning perceive and interact with their formal learning environments such as classrooms and lab spaces so that instruction in these spaces may be improved. Specific attention was paid to the ways...
While individual portfolio diversity analysis is a well-studied problem in visualization, the visual analysis of individual or groups of portfolios, over time, has received little attention. Such analysis, however, is important to researchers who are interested in better understanding portfolio management behavior of experts as well as novices. We conducted...
Previous studies of coral viruses have employed either microscopy or metagenomics, but few have attempted to comprehensively link the presence of a virus-like particle (VLP) to a genomic sequence. We conducted transmission electron microscopy imaging and virome analysis in tandem to characterize the most conspicuous viral types found within the...
Current research on the topic of advanced reactor fuel types include the use of ultrahigh density Uranium-Molybdenum fuels, towards their use in high-performance research reactors. These reactors operate with high power densities, and the increased cooling requirements therefore place high relevance on the fluid-structure interaction with these fuel elements; therefore...
In 2010 the American taxpayers spent $697 million educating veterans under the provisions of the Servicemen's Readjustment Act of 1944 (commonly referred to as the GI Bill). Most veterans begin their college education at a community college. However, the number of veterans succeeding in community colleges is exceedingly low. Based...
The paper presents a vessel level simulation model of the impact of a landing obligation on a typical Scottish demersal trawler under a discard ban in addition to existing quota management controls. The simulation model is based on a simple microeconomic model of firm behaviour and predicts landings, discards and...
College Algebra is a prerequisite for calculus and is thus an important stepping stone in the careers of STEM-intending undergraduates. However, College Algebra has low pass rates across the United States, interrupting students’ pathways to success. To address this concern, a research-oriented university in the Northwest United States restructured its...
With the development of technologies in genome sequencing and variant detection, a huge number of variants are detected. To further analyze the variants, it requires an efficient tool to annotate the functional effect of variants. This project managed to develop an efficient program to annotate the functional effect of variants...
The Antarctic contribution to sea level is a balance between ice loss along the margin and accumulation in the interior. Accumulation records for the past few decades are noisy and show inconsistent relationships with temperature. We investigate the relationship between accumulation and temperature for the past 31 ka using high-resolution records...
The value of commercial fisheries is expressed in a variety of ways in marine policy development, implementation and in individual marine proposals and consent decisions. This presentation provides a fishing industry perspective on the experiences of the delivery of Marine Protected Area and marine planning policy and licensing in the...
The Spanish market for salted cod has undergone important transformations in recent decades. The collapse of the Newfoundland fishery dramatically reduced local processors’ access to the raw material, which previously was mainly supplied by Spanish vessels. The price of salted cod increased and processors margins decreased. By using price integration...
The value chain for the sea cucumber fishing industry in Sri Lanka was analyzed using the data collected by interviewing the main actors of the chain from February to December 2014. Divers, buyers, processors and exporters are the main actors in the value chain. Divers are the key upstream players...
Lake Nasser extends for more than 300 km inside Egypt`s border and has an extensive shoreline of around 7000 km. It is an important source of fish for residents of Aswan and adjacent governorates in Upper Egypt, representing 55% of the total production from inland lakes in Egypt in 2013....
In recent years, spinel ferrites have attracted much attention as a merging material for oxygen reduction reaction (ORR),(1) advanced battery electrodes,(2, 3) and supercapacitors.(4, 5) Generally, the spinel structure can be described by a formula [X₁−λ²⁺Bλ³⁺]ᵀ[Xλ²⁺B₂−λ³⁺]ᴼ O₄, where λ is the inversion degree in-between 0 and 1, and superscripts T...
Background. The US commercial fishing industry is hazardous, as measured by mortality data. However, research on non-fatal injuries is limited. Non-fatal injuries constitute the majority of occupational injuries and can result in workers' lowered productivity and wages, lost quality of life, and disability. In the United States, a Work Process...
Understanding ecological interaction strengths is one of the main objectives of ecology. Recently, two methods for estimating interaction strengths of predator-prey interactions in nature have been proposed: a field observation approach proposed by Novak and Wootton (2008) and stable isotope analysis. The field observation method estimates feeding rates based on...
Vitamin D sufficiency supports cardiovascular health and lower cancer risk. Rates of vitamin D insufficiency vary by racial/ethnic group, in part because skin pigment limits sunlight penetration. However race/ethnicity is an unreliable marker of vitamin D deficiency, given individual differences in skin pigment, or phototype, and other characteristics. Clarifying associations...
Mantel-based tests have been the primary analytical methods for understanding how landscape features influence observed spatial genetic structure. Simulation studies examining Mantel-based approaches have highlighted major challenges associated with the use of such tests and fueled debate on when the Mantel test is appropriate for landscape genetics studies. We aim...
This report provides a strategic approach developed by a Western Association of Fish and Wildlife Agencies interagency working group for conservation of sagebrush ecosystems, Greater sage-grouse, and Gunnison sage-grouse. It uses information on (1) factors that influence sagebrush ecosystem resilience to disturbance and resistance to nonnative invasive annual grasses and...
The Organization of Petroleum Exporting Countries (OPEC), a group formed in 1960 and often blamed for the oil shock of 1973, is treated as a cartel that aims to limit oil production and hold oil price at a level above market equilibrium. Recent research has offered a counter theory that...
Diet History Questionnaires (DHQ) can only provide general information about a person’s nutritional intake. It is unable to cluster groups of people based on diets or lifestyles, nor identify specific foods that may play a role in disease prevention. The aim of this study was to validate the use of...
An analysis of Data Management Plans (DMPs) can offer insight into local data management practices. The IMLS- funded “Data management plans as A Research Tool (DART) Project” has developed an analytic rubric to assist librarians in facilitating and standardizing the review of DMPs. This panel will consist of data specialists...
The World Health Organization defines food security as “all people at all times have access to sufficient, safe, nutritious food to maintain a healthy and active life.” The reality is that one in six Americans are not food secure, even though the US produces enough food to feed its national...
Sustainable product design is becoming an important component of the development of consumer products. Currently there are limited design resources to aid in the creation of environmentally sustainable products. The purpose of this research is to theorize a new method for integrating sustainable design knowledge into the early design phase...
Hunger is among the greatest contemporary social problems in the United States. An incredible 48 million people, or 14% of households, experienced food insecurity during 2014. At the same time, public responses to food insecurity, such as the Emergency Food Assistance Program, have increasingly relied on the “emergency food network,”...
For this paper, we will provide some background about Oregon State University’s repository and ETDs, discuss our project to migrate the repository from DSpace to Sufia/Hydra, our use of the Portland Common Data Model to represent objects and files in the repository, some of the challenges we are facing in...
Polycyclic aromatic hydrocarbons (PAHs) are ubiquitous contaminants formed from the incomplete combustion of organic material. These contaminants are of concern because of their widespread presence in the environment and toxic properties. In addition, PAHs encompass a class of diverse compounds with varying physicochemical properties and exist in the environment as...
Midwives in the Unites States frequently prescribe herbs and other complementary and alternative therapies for the common complaints of pregnancy, labor, and the postpartum period. Although many studies have reported quantitative data on midwives utilization of herbs, this research aims to convey ethnographic information on midwives use, beliefs, and perceptions...
The use of an antibiotic as a growth promoter (AGP) began in the 1940’s with the discovery of growth responses from Streptomyces aureofaciens in the monogastric diet. However, resistance and residue problems have increased the negative consumer perception of growth promoting antibiotic use in animal diets. Although no direct link...
CR-39 foils were irradiated as part of nuclear accident dosimetry experiments using the Godiva reactor at the Nevada National Security Site and the Caliban and Prospero reactors at the Valduc Centre for Nuclear Studies in France. The irradiated foils were chemically etched using the standard Lawrence Livermore National Laboratory process...
Continuous integration (CI) systems automate the compilation, building, and testing of software. Despite CI rising as a big success story in automated software engineering, it has received almost no attention from the research community. For example, how widely is CI used in practice, and what are some costs and benefits...
Japanese foods such as sushi and sashimi are in boom in US markets, and the US import of the Japanese fish is expected to increase. However, the growth rate has not been so rapid as the import of agricultural products such as green tea and soybean paste. At the same...
Despite its very low oral bioavailability and rapid elimination, multiple reports of unexpectedly high bisphenol A (BPA) concentrations in the serum of pregnant mothers or cord blood have raised questions about BPA exposures during pregnancy. Thirty healthy pregnant women recruited to the study were evaluated for total BPA exposure over...