The effects of three levels of dissolved oxygen (8, 5 and 3 mg/l)
upon the feeding, growth and bioenergetics of juvenile coho salmon,
Oncorhynchus kisutch (Walbaum), were determined in laboratory
studies. Experiments with individual fish were conducted during the
summer, fall and spring to measure rates of food consumption,
standard...
The main objective of this research was to determine the professional
in-service development needs of fourth, fifth, and sixth grade
teachers in the metropolitan school districts of Portland and Seattle.
The primary objectives for conducting this research investigation were
as follows:
1. To determine the professional in-service development needs
of...
PURPOSE: The purpose of the study was to identify a set of core competencies needed to meet the minimal requirements for high school graduation and to test their level of acceptance by administrators, counselors, teachers and parents in 50 Oregon secondary school districts. PROCEDURES: Utilizing the 1136 existing graduation competencies...
The purpose of this study was to examine various host and microclimatic influences affecting the survival and development of the flatheaded fir borer, Melanophila drummondi (Kirby) in Douglas fir, Pseudotsuga menziesii (Mirbel) Franco residues. It also expands current knowledge of the biology, bionomics, life history, ecology, and biotic potential for...
The objective of this research project was to evaluate the toxicity of
local pyrrolizidine alkaloid containing plants and to examine the influence
of dietary protein, with particular reference to the amino acid cysteine,
upon this toxicity.
Senecio vulgaris (common groundsel) was shown to be more toxic than
Senecio jacobaea (tansy...
A helically flighted rotating tube for concentrating dairy and
swine manure solids was developed and evaluated. The solids removal
and concentration factor values were measured with beet pulp,
dairy manure arid swine manure slurries at different influent flow
rates and suspended solids concentrations. A method of estimating
the performance of...
Sampling with seine and trawl from May 1974 to November 1976 indicated that the species composition and distribution of fishes in Tillamook Bay through time is primarily related to the movements of marine species in and out of the estuary. Northern anchovy (Engraulis mordax), surf smelt (Hypomesus pretiosus), and shiner...
The one-dimensional numerical model developed by Carl R.
Goodwin is applied to the Siuslaw estuary. Vertical displacement,
horizontal velocity and flow of the water as a function of time and
distance from the mouth given by the model are compared with field
observations taken under different water mixing conditions in...
This study was designed to determine the common personal finance
competencies needed by graduating high school students in Oregon as
perceived by personal finance teachers from the subject matter areas
of business education, home economics, mathematics, and social studies
and the business community. Two other purposes were to (1) determine...
Purpose of the Study The purpose of this study was to analyze a set of instructional materials for sex bias/sex stereotyping and to test statistically for the significance, direction, frequency, and amount of change between the original (PRE) and the revised (POST) selected cognitive style mapping inventory element items. Procedure...
Fourier techniques have recently become popular for the
description of underwater image transmission. Two properties
necessary for the application of Fourier techniques to any system
are those of linearity and invariance. This work describes a
laboratory investigation of these properties for a variety of
aqueous media. The hypothesis is found...
Purpose of the Study
The purpose of the study was to determine whether there were
significant differences in students' career maturity as a result of
exposure to the concepts of career education. The study evaluated the
relative effectiveness of a developing comprehensive career education
project to help students attain increased...
Purpose of the Study
The main purpose of this study was to determine the influence
of the use of written advance organization, post organization or both
advance/post organization on learners as compared to the use of
non organization for the learning and retention of verbal, academic
material. An additional interest...
The study measured and compared the philosophies of education of OSU graduates who are experienced teachers of vocational education and undergraduate vocational teacher trainees on an essentialist-progressive scale at OSU. The objectives of this study were to (1) determine if experienced teachers of vocational education and undergraduate vocational teacher trainees...
Two land breeze events occurred off the Oregon coast on the
nights of April 19th and 20th, 1973. An array of four moored toroid
buoys and one land station recorded the effect of the land breeze event
on the surface mesoscale wind and temperature fields. The land
breezes may have...
The wind field measured during Project JASIN 1972, a joint
British-American venture during September 1972, was analyzed.
These measurements were done, with equipment manufactured by
Ivar Aanderaa of Bergen, Norway, on large, anchored toroid buoys.
The results of the analysis of the wind field, which included
divergence and vorticity estimates...
Purpose of the Study:
The purpose of this study was to analyze, in the mathematics
classrooms, career-oriented verbal mathematics problems on the
achievement and attitude of the vocational mathematics student.
These career-oriented mathematics problems, used as advanced
organizers, were contrasted with mathematics word problems of a
more abstract and generalized...
Purpose of the Study:
The purpose of the study was to determine the characteristics
of existing secondary school advisory committees and the effects
that these groups have on local vocational programs which they
serve. The major purpose of this study was to ascertain, through
statistical analyses, the degree to which...
Purpose of the Study:
The purpose of this study was to develop and field
test a model for context evaluation of objectives used
in competency-based curricula at the community college
level.
The study:
1. Developed a decision and information matrix that
identified objectives which should be considered
for deletion from...
The Purpose of the Study:
The central purpose of this study was to compare the role perceptions
of (A) non-degree vocational teachers recruited from business
and industry, (B) experienced vocationally certified teachers who had
been teaching more than five years, and (C) new-degree vocational
education graduates from Oregon State University....
A real-time data acquisition/central system has been developed for
environmental monitoring and research. The basic elements of the system
are a large instrumented spar buoy, a computer which controls data acquisition
through a telemetry link and simultaneously files and analyzes the data,
and the investigator who prescribes appropriate sets of...
A study was performed to assess the uptake and retention patterns
of cesium-134 in the gray-tailed vole, Microtus canicaudus Miller. To
furnish a realistic source of contaminated food for the voles, wheat
seedlings were raised in hydroponic solutions to provide radiocesium
labeled wheat clippings. The hydroponic system was designed to...
Under adverse soil moisture conditions a critical water stress
or water potential develops in the plant and productivity is reduced,
or in extreme cases, terminated. Research to determine the soil
moisture status for maximum production of specific crops has been
conducted for decades. The results have done much to increase...
This thesis describes a Mossbauer effect and electron
paramagnetic resonance study of iron (III) tetraphenylporphyrinatobenzenethiolate
benzene thiol, an analog compound
for bacterial cytochrome P-450. The compound is unusual in
that it provides a model for the two ferric reaction states
of cytochrome P-450. The iron in the model compound exhibits...
A procedure for evaluating the precision of atomic absorption
measurements is presented and applied to 21 elements under varying
instrumental conditions. The experimental relative standard deviations
(RSD's) in absorbance obtained from repetitive measurements made
with a high resolution voltmeter and on-line computer, are compared
to those predicted by a recently...
A laboratory-prepared hot-water extract of yeast is required
for vigorous growth of San Francisco sourdough bacteria (Lactobacillus
sanfrancisco) in pure culture. This requirement was examined
with the goal of determining what is unique about fresh yeast extractives
(commercial extractives exhibit much lower growth promoting
activity), and which components of fresh...
Juvenile coho salmon (Oncorhynchus kisutch) and steelhead trout
(Salmo gairdneri) of different stocks and three transferrin genotypes
(AA, AC, and CC), all reared in identical or similar environments, were
experimentally infected with the causative agent of bacterial kidney
disease (BKD) or Vibrio anguillarum. Mortality due to the pathogens
was compared...
To provide further information on the occurrence and geographical
variations of bioluminescent capabilities of marine dinoflagellates,
forty species, representing twelve genera, of dinoflagellates
from Yaquina Bay, Oregon, were examined for bioluminescence as
single cell isolates. Seventeen species from the genera Ceratium
(1 sp.), Gonyaulax (3 sp.), and Peridinium (13 sp.)...
Developing steelhead trout eggs and sac fry were examined for
wet, dry and lipid weights and for fatty acid composition over the
period from fertilization until the disappearance of the yolk sac, 69
days after fertilization. The yolk sac and embryo or fry were
separated shortly before hatching, and the...
Environmental swabs and meat samples from two of three seafood
processing plants sampled on the Oregon Coast were found to
contain Salmonella. Although these enteropathogens were not isolated
from the finished products, the danger of contamination is great
since the processing received by many seafoods is not designed to
yield...
The effects of temperature, temperature fluctuation, and fish size on the growth of juvenile steelhead trout (Salmo gairdneri) were studied in experiments which lasted 10 to 25 days. Groups of fish were fed at ration levels varying from near-starvation to repletion. Decelerating, curvilinear relationships between rates of food consumption and...
Agonistic behavior among three species of Microtus live-trapped
near Corvallis, Oregon was recorded in order to interpret habitat
segregation by the species in areas of syrnpatry. The method used to
measure agonistic interaction was similar to that of Colvin (1970).
Agonistic behavior was recorded under red light in a neutral...
Basalts of both Eocene and Miocene age from several groups
along the Oregon and Washington coasts have been analyzed for some
major, minor, and trace elements using instrumental neutron activation analysis (INAA). The rare earth element (REE) patterns observed
in these samples are used for comparisons within the groups studied...
We will consider the implementation of a computer program to
solve a nonlinear algebraic system of N equations and unknowns.
The program involves the use of a parameter, Newton's method, and
an automatic change of parameter. Also considered are rigorous
error bounds for the answer. The program was implemented and...
Phenol-water and trichloroacetic acid extracts of Vibrio
anguillarum were both antigenic and immunogenic when injected
into coho salmon (Oncorhynchus kisutch). Cross-protection against
virulent Vibrio anguillarum was observed with whole-cell bacterins
and phenol-water extracts prepared from two serologically distinct
groups. Gel diffusion studies indicated that intact somatic antigens
were serotype specific....
Batch cultures of Skeletonema costatum were grown under continual
light saturation, with nitrogen nutrients in limiting concentrations.
Population parameters measured included ¹⁴C uptake,
chlorophyll a, particulate carbon and nitrogen, and ammonia, nitrate,
and nitrite, concentrations.
A method was developed for measuring cellular nutrient reservoirs
in laboratory cultures of marine phytoplankton....
The central purpose of this comparison was to determine the congruence
or difference between two teaching techniques, the programmed
multimedia approach and the traditional teaching method as used in presenting
drug information to eighth grade students in the Mankato,
Minnesota school district. The population sample consisted of 391
students enrolled...
The North American species of the shore fly genus Notiphila Fallen were taxonomically revised. Over 13,000 specimens were examined from throughout the Nearctic Region and information relating to the biology of many species occurring in the West was gathered from both field and laboratory studies. Previously used characters were reevaluated;...
Forty-five subjects were given 30 trials of isometric elbow flexion
and 30 trials of elbow extension. Each trial consisted of maximum
exertion followed by a short rest in 10 second cycles. Subjects were
ranked on the basis of the addition of the median flexion and extension
scores and were divided...
In this thesis we define two nxn matrices T and S to be isoconjunctive if there exists an nxn nonsingular hermitian matrix H such that T = HSH. We then proceed to establish necessary and sufficient conditions that two nxn matrices T and S be isoconjunctive in the case where...
Purpose of the Study
The purpose of the study was to determine whether
there were significant differences in students' achievement
and attitudes as a result of two different instructional
strategies utilized in a vocational graphic arts
program. In order to accomplish this, the following
procedures were considered.
Procedures
This comparative...
A two-year study was made of pastures suspected of inciting acute bovine pulmonary emphysema (ABPE) in east-central Oregon. Objectives of this study were (1) to determine the vegetation composition of these pastures, (2) to determine seasonal trends of tryptophan, crude protein, and nitrogen/sulfur ratios in selected pasture plants, (3) to...
Published May 1976. 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, based on Brunswik's (1952, 1956) lens model,
examined the judgment policies employed by 67 art students
and faculty when they evaluate instruction. Four groups of
subjects, non-art majors, undergraduate art majors, graduate
and bachelor of fine arts students, and faculty members, judged
a series of 35 hypothetical teacher...
A total of 57 core top samples from the Panama Basin were
used in a quantitative study of complete radiolarian thanatocoenoses
to determine whether surface oceanographic conditions are reflected
in the microplankton faunas deposited onto and buried in the sea floor.
Information obtained from this study was used to resolve...
The central problem of the study was to explore the relationship
between the minimum competencies and characteristics chosen by
child development specialists as necessary for a child care aide and
those sought by child care center directors when hiring an aide. A
survey instrument was developed consisting of 49 basic...
This report consists of tables summarizing data regarding streams receiving hatchery-reared rainbow trout since 1952. It includes data such as sources, sizes of fish, and water temperatures at the planting sites. It also averages data from creel reports from 1965-1972.
Published October 1973. 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
The major purpose of this study was to determine if
there were significant differences in the self-concepts of
vocational education teacher-trainees, non-vocational education
teacher trainees and non-education students at
Montana State University.
Two hundred students were surveyed to determine if
there were any differences in self-concepts based on
either major...
Purpose of the Study
The study was an examination of the effect of utilizing the
DECA Merit Awards Program (MAP) materials on high school
distributive education student interest levels toward careers in
marketing. It compared three groups of high school distributive
education students who used MAP with three groups who...
The purpose of this study was to compare and evaluate personal
attitudes and perceptions, educational and vocational plans, activities
and satisfaction among students of two basic groups selected for the
study: a) financial aid recipients, b) non-financial aid recipients.
Subgroups in each category consisted of over-achievers and under-achievers.
Over-achievers were...
The pine butterfly, Neophasia menapia Feld., has been at epidemic levels in the Bitterroot and Missoula valleys for the past 2 years (Ciesla et al. 1971) (Bousfield and Meyer 1972). Several reports of conspicuous pine butterfly flights on the Flathead Indian Reservation prompted an evaluation of the potential for pine...
The western spruce budworm, Choristoneura occidentalis (Free.), has caused a measurable impact on a portion of the Flathead Indian Reservation during a 5-year infestation period. This survey showed that most of the grand fir and alpine fir, and 13.8 percent of the Douglas fir has been top killed in the...
Published January 1977. 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 publication reports the results of a study designed to provide supermarket management with information useful for evaluating and controlling storewide sanitation costs. Labor, supply, equipment and service costs were developed and analyzed for four Oregon supermarkets (two chain store units and two owner-operator m1its). The study also provides regulatory...
Published November 1973. 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
PURPOSE OF THE STUDY
This study developed a model which identified mathematical needs
in various vocational technical programs. This model provides a
method which can be used to develop an adequate mathematics curriculum
to support occupational offerings at community college/technical
institutes, and can also help high schools and the colleges/technical...
The Douglas-fir beetle, Dendroctonus pseudotsugae Hopk., has caused extensive tree mortality for the third consecutive year in the North Fork Clearwater River drainage in northern Idaho. In 1972, the infestation encompassed about 494,080 acres of commercial forest lands in this drainage. It was estimated from a tw-stage aerial photo-ground survey...
A multistage sampling survey to measure annual and cumulative mortality of lodgepole
pine by mountain pine beetle was conducted
on the Beaverhead and Gallatin National
Forests, 1978-79. The survey area, 270,000
acres, was stratified into three intensity classes
from aerial sketchmapping. This was followed
by large scale (1:6,000) aerial photography,...
Epidemic levels of the pine butterfly, Neophasia menapia (Felder and
Felder) have been evident in ponderosa pine stands in the Bitter Root
Valley since 1969. Evaluations of this infestation were initiated in
1970 to assess overwintering egg populations at 20 locations within
the infestation (Ciesla et al. 1971). Defoliation was...
Aerial surveys of the Nezperce National Forest in Idaho revealed 138,692 acres of aerially visible top kill and tree mortality due to repeated defoliation by western spruce budworm, Choristoneura occidentalis Freeman.
A small ground sample indicates that up to 47 percent of the grand fir volume was affected by top...
A study was made to determine the distribution of parasites of the larch casebearer, Coleophora laricelia, within crowns of western larch, Larix occidentalis. The most common parasites recovered in order of their abundance, were: Agathis pumila (Ratz.), Diciadocerus sp. near westwoodii, Spilochalcis albifrons (Walsh), and MesopoZobus sp. Parasitism by A....
Published August 1976. 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
The mountain pine beetle, Dendroetonus ponderosae Hopk., has been at epidemic levels in second-growth ponderosa pine stands in the Ninemile area of the Lolo National Forest and surrounding private lands since 1969. An impact survey, using two levels of photography and a small ground sample, was conducted to estimate a...
Stepwise multiple regression techniques were used to statistically analyze the relationships between damage caused by the pine needle sheath miner Zellaria haimbachi (Busck); a needle miner, Oenerostoma etrobivorum (Zeller); sugar pine tortrix, Choriatoneura Zambertiana (Busck); and ambient and foliar concentrations of fluoride in lodgepole pine (Pinue contorta v. Zatifolia Engelm.)...
Published April 1975. 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
In this thesis we introduce alpha and beta tree acceptors,
generalizations of tree automata. The alpha tree acceptors recognize
a tree by final symbol and the beta tree acceptors by final state. We
show that alpha and beta tree acceptors recognize the same sets of
Gorn trees and demonstrate that...
Tree systems are used in syntactic pattern recognition for
describing two-dimensional patterns. We extend results on tree
automata with the introduction of the subtree-invariant equivalence
relation R. R relates two trees when the appearance of one implies the
appearance of the other in similar trees. A new state minimizing
algorithm...
A large number of bacterial and yeast isolates were obtained
from meat and poultry processing plants by swab and contact plate
sampling methods. Most of the isolates were subjected to a brief
taxonomic study and listed according to their sources. Representative
food spoilage, indicator and pathogenic organisms were identified
to...
The purpose of this study was to investigate the
relationship between introductory lessons on creativity and
the creativity displayed in students' finished clothing
projects. The sample consisted of 22 students in the
experimental group and 26 students in the control group at
the intermediate level in high school clothing construction....