Feeding conjugated linoleic acids (CLA) improves reproductive performance in dairy cows; however, the molecular mechanisms by which CLA improves reproduction are not well understood. Therefore, we evaluated whether the CLA isomers, trans-10, cis-12 CLA and cis-9, trans-11 CLA altered synthesis of steroidogenic hormones in bovine luteal cells by measuring concentrations...
The first part of the dissertation chronicles irrigation technology changes to progressively improve water application efficiency, water use efficiency, irrigation water productivity and crop production. Technological innovation in irrigation, from 6000 BC to present, has been driven by an unchanging need to provide support for growing populations. The first irrigation...
Lake Chad is a vitally important wetland in the semi-arid Sahel corridor. It provides the basis of many thousands of livelihoods which depend on its seasonal fluctuations to renew fish stocks, farmland and rangeland. This paper describes how the institutions which govern access to fishing rights has evolved on the...
Renewable energy is a topic of significant interest and importance in the world today. Ocean wave energy, particularly in areas such as the Oregon Coast, has considerable potential as a renewable resource. However, to rightly evaluate the overall cost of energy for wave energy converters, survivability and maintenance issues must...
Athletic activities have always carried an inherent risk for injuries, and basketball is no
exception. Basketball is the second most popular team sport in the United States in
which 984,777 high school boys and girls participated during the 2010-2011 season.
Athletic trainers and strength and conditioning staff are pressured to...
This thesis pursues a flexible understanding and definition of
dis/ability as a broadly and liberally applied mark of stigma. It asks questions that develop a deeper understanding of how disability influences mētis, a knowledge or cunning use of the body. Through this framework of mētis, this thesis explores technologies as...
Forest disturbances, such as wildfires, pine beetle outbreaks, and floods are important features of many landscapes and ecosystems. Many disturbances are increasing in size, frequency, and intensity due to changing climates and land management decisions. The changing ecological and aesthetic conditions following a disturbance can lead to negative short- and...
Environmental scientists, land managers, and policy actors are increasingly presented with high-stakes high-uncertainty problems stemming from human-ecosystem interactions. To help address these problems, scientists frequently use models that produce enormous geospatial and temporal datasets that are constantly modified and often seek input from communities outside their discipline. To assist scientists—as...
Within the sagebrush steppe ecosystem, invasive annual grasses are of growing management concern as they outcompete native vegetation, change the fundamental nutrient cycling processes, decrease biodiversity, and increase frequency of wildfires. The most widely used and effective management tool to decrease invasive annual grass abundance, is the use of pre-emergent...
Culturally based stereotypes are a pervasive force behind quick judgments about behavior, intent, and beliefs which allow individuals to interact efficiently to meet their own goals. Gender stereotypes are present in marketing media and servicescapes, where they define the behavior, needs, and wants of shoppers. The literature on consumer behavior...
Background: Training and quality assurance (QA) are important to high fidelity program implementation in practice settings but are rarely the focus of translation research. Thus, it is important to conduct studies that specifically address training and QA.
Methods: Using the maximum variation case study method, we examined training and QA...
Multiple outbreaks of foodborne illness (Salmonella and E. coli O157:H7) have been associated with tree nuts and tree nut products since the early 2000s. In response to these outbreaks and many others in fresh produce and peanut butter, Congress created and passed the Food Safety Modernization Act (FSMA) to require...
A novel, low-cost instrument capable of measuring surface water PCO₂ was designed for use in dynamic, shallow-water environments. The instrument was tested in the Yaquina River Estuary, a macrotidal estuary known to experience a wide range of conditions ranging from dominance by the coastal ocean during summer upwelling to substantial...
Microalgae has been under careful consideration as a sustainable feedstock for renewable fuel recently due to its year round production with high energy yields per unit area, reduced need for arable land, water treatment benefits with nutrient cycling, and minimal competition with the food industry. Despite of all these advantages,...
The change process for clients in long-term adolescent residential treatment has received heightened research attention for the past 15-year (Gass, 2006). The research indicates that individuals enrolled in long-term adolescent residential treatment centers, on average, experience improved psycho-social functioning to degrees that are statistically and clinically significant (Behrens & Satterfield,...
Linkages between land use and its influence on the atmosphere have been a long-standing research area. For example, what is the impact of irrigated agriculture on downwind rainfall? Global-scale models show that moisture recycling is an important source of water for inland regions around the world, but they do not...
The United States is the third-largest producer of raspberries in the world. Washington
State leads the nation in red raspberry (Rubus idaeus L.) production. 'Meeker', the
most grown red raspberry cultivar in the Pacific Northwest (Washington, Oregon and
British Columbia, Canada) is highly susceptible to Raspberry crumbly fruit, a virusinduced...
The cultivated potato (Solanum tuberosum L.) is one of the world’s most important staple crops, ranked fourth after maize, rice, and wheat. While the potato’s success is due largely to its high yield, it also benefits from its broad global acceptance, and its ability to be used by the consumer...
As managers of agricultural and natural resources are confronted with uncertainties in global change impacts, the complexities associated with the interconnected cycling of nitrogen, carbon, and water present daunting management challenges. Existing models provide detailed information on specific sub-systems (e.g., land, air, water, and economics). An increasing awareness of the...
Despite increased understanding of the benefits of wetlands, global wetland area continues to decrease. Wetlands are being lost at an alarming rate, and with them, biodiversity, floodwater storage, water purification, and countless other functions. There is little information available about mechanisms to manage transboundary wetlands. While the Ramsar Convention is...
Cereal crops cultivated in Mali, Mauritania and Senegal consist
primarily of sorghum, millet, rice and maize. They form the gramineous
crops that, are programmed for the agricultural improvement of
the Senegal River Basin. Twelve economically important insect pests
on these crops were selected for study and treated with regard to...
Purpose: The paper discovers how many American Research Libraries produce podcasts, on what subjects they are produced and how those podcasts are promoted.
Design/methodology/approach: The researchers looked at each American Research Library’s website in December 2009 to determine if the library has a podcasting initiative and if so, what topics...
Reflection on a stage management experience for a musical produced at Oregon State University. Comparison from previous high school experiences in stage managing to the university level of stage management. Reference to the texts and resources examined for the growth of knowledge in stage management. Analysis of each stage of...
Wyoming big sagebrush (Artemisia tridentata ssp. wyomingensis [Beetle & A. Young] S.L. Welsh) plant communities with degraded native herbaceous understories occupy vast expanses of the western United States. Restoring the native herbaceous understory in these communities is needed to provide higher-quality wildlife habitat, decrease the risk of exotic plant invasion,...
The cotton bollworm, Helicoverpa armigera (Hubner) is one of the most serious insect pest species to evolve resistance against many insecticides from different chemical classes. This species has evolved resistance to the pyrethroid insecticides across its native range and is becoming a truly global pest after establishing in South America...
The antimutagenic potency of wheat grain and berry extracts was studied in vitro against several heterocyclic amines (HCAs) using the Salmonella mutagenicity assay and the anticarcinogencity of wheat grain was studied in vivo using the rat colonic aberrant crypt focus assay. Wheat bran, which binds HCAs in vitro, as well...
In the United States, marine debris is defined as “any persistent solid material that is manufactured or processed and directly or indirectly, intentionally or unintentionally, disposed of or abandoned into the marine environment or the Great Lakes.” Oregon State law defines marine debris similarly. Marine debris is a growing global...
Greater scientific knowledge, changing societal values, and legislative mandates have emphasized the importance
of implementing large-scale flow experiments (FEs) downstream of dams. We provide the first global assessment
of FEs to evaluate their success in advancing science and informing management decisions. Systematic
review of 113 FEs across 20 countries revealed...
Restoration of exotic annual grass-invaded rangelands is needed to improve ecosystem function and services.
Increasing plant species richness is generally believed to increase resistance to invasion and increase desired
vegetation. However, the effects of species richness and individual plant life forms in seed mixes used to restore
rangelands invaded by...
Focus on Forestry is published by Oregon State University College of Forestry. Our goal is to keep Forestry alumni, friends, faculty, staff, and students informed about the College of Forestry and its many activities and programs.
Published June 2004. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
This dataset was created for the purpose of collecting and cataloguing sources that mentioned aspects of cultural diversity or workforce diversity within natural resource professions. The exploratory questions that prompted the collection of sources in this dataset were:
- Is diversity discussed in scholarly sources within natural resources?
- If...
Published June 2009. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Published June 2000. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
This study seeks to examine the participation and representation of stakeholders involved in the Southern Resident Killer Whale Task Force during their first year, culminating in the publishing of their Year One Report and Recommendations for actions with the goal of moving the Southern Resident killer whales toward recovery. This...
Fish is the cheapest animal protein source in Nigeria and dry fish, in particular, has the potential to solve the pervasive protein shortage problem owing to its relative affordability compared with fresh fish. Boosting dry fish consumption will entail retail price reduction which is achievable only if the market for...
The Conference Program for IIFET, held July 10-14 in Corvallis, Oregon. Program lists the sessions by date and time and includes the session titles, speakers and paper titles.
Final program details of Visible Possibilities: The Economics of Sustainable Fisheries, Aquaculture and Seafood Trade, the 16th Biennial Conference of the International Institute of Fisheries Economics & Trade, held July 16-20, 2012 in the Hyatt Regency Kilimanjaro Hotel, Dar es Salaam Tanzania
Every year, the United States produces at least 236 million metric tons of hazardous waste. Hazardous waste is defined as solid waste that can pose a substantial threat to human health and the environment when disposed of incorrectly. Some commonly used household products, when disposed of, become hazardous waste; historically,...
The study critically analyzes the implication of various agricultural
development policies on urban unemployment and income distribution.
More specifically it focuses on the evaluation of agricultural
policies at the macro-economic Level in the Nigerian economy.
A system science and simulation approach is used to build and
test a ten sector...
This thesis is an effort to formalize and document some of the changes occuring in the Warwar Valley of Gongola State, Nigeria, West Africa. The documentation will comprise a photographic study over time accompanied by an ethnographic narrative. Information gathered from photographic images, field notes and the anthropological record will...
Full Text:
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Marvin Harris writing on the history of anthropol-
ogical theory sums up the White-Steward
Focus on Forestry is published by Oregon State University College of Forestry. Our goal is to keep Forestry alumni, friends, faculty, staff, and students informed about the College of Forestry and its many activities and programs.
The purpose of this study was to answer three questions in
terms of learning methodology: (1) Is the inductive or deductive
approach more effective in teaching phonic generalizations to second
grade children? (2) Is the inductive or deductive approach more
effective in promoting retention ability after a three week interim?...
Eight strains of housefly, Musca domestica Linn., from two
laboratories were intercrossed to form a stock population. Virgin males and females from the stock were collected, and nine sets, each
consisting of twelve males mated to five females, were successively
done. Pupae weight, adult weight, emergence time and egg production...
In this article the authors examine the impact of recent
immigration on rates of serious property crime across communities in
Austin, Texas. The greater Austin foreign-born population has increased
by more than 580 percent since 1980, and Austin is considered a “pre-emerging” immigrant gateway city to the United States. The...