Block 1 of the Averill Addition played an important
role in the early commercial development of Bandon, Oregon,
a town located on Oregon's south coast. Retail
establishments located on the block supplied the local
residents with a variety of merchandise for the period of
1886-1914.
During this period Bandon served...
This dissertation explores the physiology and gene expression of the ammonia-oxidizing bacterium Nitrosomonas europaea in surface-associated bacterial communities, or biofilms. Biofilms of N. europaea were cultivated in drip flow reactors for several weeks and gene expression microarrays were used to detect 240 genes differentially expressed between the mature biofilms and...
I used program CAPTURE to analyze 1,535 data sets for 33 North American species of small mammals for sources of variation in capture probabilities and to characterize species-specific responses to markrecapture trapping. CAPTURE incorporates seven models to account for all possible combinations of heterogeneity (h), behavioral response (b), and time...
Ethylene was produced by Cylindrocladium floridanum and C. scoparium in culture. Production was methionine dependent and maximal during the active growth phase of the fungus, beginning shortly after spore germination. More ethylene was produced sooner by C. floridanum than C. scoparium. Ethylene was produced by Cylindrocladium both from active mycelium...
Introduction: Physical activity (PA) is recommended for all individuals because of the benefits it provides to physical health, mental health, and overall quality of life (QoL). It is also recommended for children with developmental disabilities (DDs), which make up about 15% of all U.S. children ages 3-17 years. Previous studies...
This thesis attempts to identify and develop a new narrative structure that has not yet been identified. This structure, which traces a character’s internal process of change throughout a work of literature, is known as the Awakening Arc. The Awakening Arc has seven stages that loosely correspond to Freytag’s external...
The purpose of the study was to assess county extension agents'
knowledge of geotextiles; to determine their current level of
information and their location on an adoption-diffusion curve; and to
determine the agents' attitudes toward the potential use of
geotextiles in agriculture, specifically in soil erosion control.
A questionnaire was...
Based on the principle that the history of a discipline is important to the discipline itself, this thesis devotes two chapters to ROBERT HOOKE AND THE FOUNDATION OF GEOLOGY and two chapters to modern geology, viz. THE TECTONIC EVOLUTION OF THE OREGON CONTINENTAL MARGIN. The first part of this abstract...
This study seeks to determine the correlation between changes in statewide land use planning policies and the resulting periods of high or low urban growth in the Willamette Valley, Oregon using automated classification methods and freely available satellite imagery. To protect its farms, forests and open spaces, Oregon became the...
A curb ramp is an indispensable ramp system in the transportation network that provides a transition between a sidewalk and a roadway. The Americans with Disabilities Act (ADA) requires that the design, construction, and maintenance of curb ramps meet the ADA standards. However, many existing curb ramps are noncompliant, as...
Reducing the CO2 emitted by the production of cement can greatly reduce the carbon emissions attributable to the built industry. By specifying concrete mixes with lower global warming potentials (GWPs), structural engineers can reduce the carbon emissions of concrete used in the built industry. This thesis uses a cradle-to-gate life...
As mass-timber building construction rises around the globe, there exists the need to verify the long-term, in-situ behavior and performance of these structural systems. Structural health monitoring (SHM), generally defined as a damage detection strategy consisting of a network of sensors, a data acquisition system, and algorithms for data analysis,...
When studying robot systems, it is common to ask about optimal approaches to accomplish a given task. In the context of mobile systems, particularly biomimetic systems, optimization tasks are closely related to the relevant dynamics of locomotion. In this thesis, building on prior work from the geometric mechanics community, we...
Background: Studies indicate that problems utilized in traditional undergraduate engineering education do not adequately prepare students for the workforce. Calls to implement authentic, ill-structured problems into upper level engineering experiences may address this issue but adopting authentic engineering problems without considering barriers to adoption of faculty has not been fully...
Eighteen multiparous, high producing (7,836 kg 4%
FCM) Holstein dairy cows were assigned randomly to iso-
.
caloric rations containing either 12 or 23% crude protein
(CP) on day 40 postpartum. After a 10-day adaptation
period, uterine secretion and blood samples were collected
on the day of estrus (day 0-1),...
The relationship of glucocorticoid secretion to light-induced,
early-winter priming of pelage in ranch mink was investigated. Sixteen
Standard Dark, mature, female mink were exposed to natural light conditions
of 45° North latitude beginning on December 13, 1977. A 2x4 cm
area of the right hip of each animal was sheared...
Natural populations of phytoplankton from Yaquina Bay, Oregon,
were incubated in large polyethelene bags in- situ, with and without
the natural assemblage of zooplankton. Samples were taken daily for
two weeks in April, 1974. The biomass of phytoplankton in the bag
without grazers reached values two to three times the...
This research sought to determine the origin of bitterness as a result of dry-hopping. An unhopped ale was dry-hopped and examined in the controlled dry-hop experiment and commercial beers were examined for chemical changes from dry-hopping in the commercially dry-hopped beer survey. This thesis work suggested specific bitter hop components...
An effort was made to determine what factors are responsible for differences in color quality between preserves commercially manufactured from Hood and Tioga strawberry varieties. Color analyses made on Hood and Tioga preserves, during a 26 week storage period, included spectral measurements of aqueous extracts from the preserve samples. In...
The focus of this study was threefold. This research examined the extent to which parenting alliance between incarcerated parents and the caregivers of their children, influences participation of inmate parents in parenting programs. This research explored the extent to which family contact influences participation of inmate parents in parenting programs....
The objectives of this study were to (1) describe
physical environmental conditions and species composition
at several sites along an Upstream/downstream gradient in a
number of tributaries of the Willamette River in western
Oregon; and (2) identify possible relationships between
species distributional patterns and physical habitat
parameters using detrended correspondence...
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...
The effect of primocane management on flowering and fruiting patterns was studied in primocane-fruiting blackberry (Rubus subgenus Rubus, Watson) cultivars 'Prime-Jan'® and 'Prime-Jim'® over two years. Primocanes that were "soft-tipped" (upper 2-5 cm removed) at 1.0 m were compared to un-tipped canes. In both years, soft-tipped primocanes developed 2-3 fold...
Women living in sub-Saharan Africa are more affected by HIV/AIDS than any other population in the world. Two-thirds of all new HIV infections worldwide occur in sub-Saharan Africa and over 60% of these infections are in women. Indeed, 70% of
all women globally who are infected with HIV reside in...
Coreplication experiments have revealed that replication of
turnip yellow mosaic virus (TYMV) RNA in turnip protoplasts is cis-preferential.
Genomes encoding mutant p141 or p66, proteins
essential for virus replication, were inefficiently rescued by a
helper genome. One model for the cis-preferential replication of
TYMV is that p66 and p141 form...
Several compounds have been shown to induce the mixed function
oxidase enzyme system of animals, and also to inhibit tumor formation.
Included in this category are several vegetables and isolated
vegetable components from the Cruciferae family. In this
study rainbow trout were fed blanched freeze-dried cauliflower,
broccoli, or Brussel sprouts...
These three papers address uncertainty in the management and valuation of renewable natural resources. The first paper develops a model to integrate both stock and price uncertainty to obtain optimal resource levels. The model is an extension of Reed (1974) and shows by proof and by example that when prices...
A study concerning the correlation of health and science instruction in the junior high school was undertaken for the following reasons:
1) Boys and girls in junior high schools need instruction in science;
2) The need for interesting students in health is well recognized; and
3) In many schools there...
The purpose of this study was to develop a marine bioassay
procedure using eggs and larvae of Pollicipes polymerus, a stalked
barnacle common on the west coast of North America.
A series of experiments were run to determine optimal culture
conditions for the eggs, to see if they could be...
The Colombian emerald deposits are globally unique because they are hosted in hydrothermally altered black shales on either side of the Cordillera Oriental. We used electron microprobe analysis to study variations in trace element concentrations in transects across emeralds, and used the ⁴⁰Ar/³⁹Ar dating method to determine the age of...
Uses of travel time and mode of transportation in selected two-parent,
two-child Oregon households was researched in this study.
The relationship between a number of demographic characteristics
and amounts of travel time as well as mode of transportation was
also examined.
The study used the Oregon data from the Northeast...
The study was designed to determine how learner outcomes, one aspect of a comprehensive assessment plan at an urban community college in the Northwest, may have influenced professional practice. Research subjects were selected from a group of forty-four faculty who participated in a college sponsored professional development activity. The purpose...
The Greenhorn Mountains contain a tectonic ally disrupted
ophiolite and both arc-derived and pelagic sediments. Age of major
sedimentary units within and bordering the thesis area is Early
Permian, based upon dates of conodonts and fusulinids from contemporaneous
but allocthanous limestones. Sediments near the south
boundary of the thesis area...
Full Text:
AN ABSTRACT OF THE THESIS OF
Ellen Domaratius Mullen for the
The objective of this lab is to gain experience collecting imagery with an unmanned aircraft system (UAS) and processing it in structure from motion (SfM) photogrammetry software to obtain georeferenced data products, including an orthomosaic in GeoTiff format and a point cloud in ASPRS’s LAS format.
The central purpose of this study was to develop a model for
the examination of productivity in Adult Basic Education. To that
end, an instrument developed for use in the field of business was
adapted for use with an educational audience. It examined the
relationship of adult education staff decision...
There is a national interest in improving the quality of STEM education in institutions of higher education. One goal of multiple initiatives focusing on such improvement is empowering more STEM educators to implement evidence-based instructional practices, that research has shown best help students learn. Related strategies target change in STEM...
Managed honey bee (Apis mellifera L.) colonies are important pollinators of many cultivated crops. Honey bee colony declines averaging 30% annually in the United States for the past 7 years have caused significant concern and hence have been a topic of intensive investigation. These declines are reportedly due to multiple...
The ocean fishery is an example of a common property
resource industry. Behavior of commercial fishermen is
determined by a complex set of economic, environmental and
social factors. All of these factors contribute to the
individual fisherman's success.
Fishermen learn to cope with the variability inherent
to their occupation. Two...
The purpose of this descriptive research was twofold: 1) to
determine the expressed concerns, feelings, and needs of a selected
group of expectant fathers; and 2) to categorize those expressed
concerns, feelings, and needs into broad areas and to develop a
priority listing of those items as a basis for...