Detection of L-serine and D,L-alanine by juvenile coho salmon (Oncorhynchus kisutch) was measured in a two-choice Y-trough. Threshold concentration for olfactory
detection of L-serine was 10-8 M for zero-age parr, 1O-7 M for yearling parr, 10-5 M for smolts in late April-early May, and 10-6 M for smolts in June....
A recipe as a piece of text can tell a variety of stories as well as any other. Using a feminist rhetorical analysis, I read my grandmother’s personal recipe journal to show that her writings contain valuable information about women’s lives in twentieth century Poland. Through the close examination of...
Despite the availability of distance education technology, Oregon
State University Extension Service educators have made limited use of
this equipment for delivery of educational programs to clients of the
state's 36 county Extension Service offices. Some Extension educators
may be hesitant to use distance technology because they are unsure
whether...
The GRASS (V. 4.0) geographical information system (GIS) was used to test
the hypothesis that pheromone trap based predictions of Helicoverpa zea (Boddie)
damage in processed sweet corn could be improved by considering spatial patterns of
corn plantings and wind blocking features around the trap. Wind blocking features
include: tree...
The primary problem of this study was to evaluate the post-high
school plans component of a high school counseling program. The
intent was to determine the effectiveness of the program component in
relation to the purpose it was designed to serve: providing information
and guidance for high school students who...
Epidemiological research on HIV/AIDS seeks to determine at-risk populations not reached by current care. In the forty years since the AIDS epidemic began, transgender people were only recently deemed “at-risk” by the CDC and more action was taken to study them. Most current research centers on transgender women, with transgender...
The purpose of this study was to determine if there was a
difference in the resources and library services in men's and
women's state prison facility libraries, and to determine to
what extent the librarians who administer services to inmates
in prisons believe the resources available are adequate in giving...
Nomia melanderi Cockerell is one of the most efficient pollinators of alfalfa in Eastern Oregon. Emergence begins in June, usually reaches its peak in early July, and may continue into early August. Male emergence precedes female emergence by four or five days. For the first few weeks of this time,...
Moisture durability is essential for wood composites, especially those used in building construction, where products are prone to weathering. The primary focus of this research was to determine if adhesive penetration into the cell wall has a positive influence on adhesive bond durability. To fully understand the measureable effects of...
The Altar Valley is an important working landscape that supports biodiversity and vulnerable species in Pima County, Arizona (Huckelberry 2000). This semi-desert grassland, alluvial valley and 713,807-acre watershed composed of 39 subbasins serves as an aquifer to a portion of southwestern Tucson. This region of Southern Arizona has been identified...
Students with disabilities are not being afforded the same access to sporting opportunities as their peers without disabilities. The purpose of this dissertation was to build on a foundation of information regarding collegiate adaptive sports through a Critical Disabilities Studies lens. Specific aims included: (1) identifying and describing intercollegiate, adaptive...
Prototyping is a crucial step in product design and development, but it is also known as the highest sunk cost. The top 20 Research and Development (R&D) department spends 142 billion dollars, yet 40 to 46 percent of this money goes into developing products that cannot even make to the...
Winter wheat is commonly grown in rotation with leguminous and non-leguminous crops in the Willamette Valley. For agronomic, economic, and environmental reasons it is important to understand the influence of previous crops on availability of N and other nutrients. Objectives of this study were: (1) to evaluate the effects of...
Communication cannot be successful without the
cooperative listening response of an auditor. Auditors must
feel empowered to act as agents of change or their decisions
and actions cannot be influenced by the discourse. Their
every response depends upon their ability to perceive
themselves as potential mediators of change.
A review...
Changes in dietary selenium and selenoprotein status may influence both anti- and pro-cancer pathways, making the outcome of interventions different from one study to another. To characterize such outcomes in a defined setting, we undertook a controlled hepatocarcinogenesis study involving varying levels of dietary selenium and altered selenoprotein status using...
This dissertation consists of four studies of Populus and Eucalyptus biotechnology and genomic science: 1) induction of floral sterility by tapetal expression of the ribonuclease Barnase in Populus; 2) CRISPR Cas9-mediated gene editing targeting LEAFY (LFY) and AGAMOUS (AG) homologs in Populus; 3) induction of floral sterility by CRISPR Cas9...
Alien grass invasions in arid and semi-arid ecosystems are resulting in grass–fire cycles and ecosystem-level transformations that severely diminish ecosystem services. Our capacity to address the rapid and complex changes occurring in these ecosystems can be enhanced by developing an understanding of the environmental factors and ecosystem attributes that determine...