Of 2,122 marine fishes belonging to 36 species collected in the
vicinity of Newport, Oregon, 541 belonging to 8 species were infected
with hemoflagellates. Four species of trypanosomes and three species
of cryptobias were found in offshore fishes, but no hemoflagellates
were observed in fishes from Yaquina Bay.
Trypanosoma pacifica...
The microsporidan Pleistophora sp. is a common parasite of
Crangon franciscorum, C. nigricauda, and C. stylirostris in the
vicinity of Yaquina Bay, Oregon. Characteristics of the parasite are
described. Skeletal muscle was the only host tissue infected.
The seasonal prevalence and intensity of the parasite in
crangonids are described, based...
An assessment of Oregon personal finance teachers'
beliefs and recommendations for secondary personal finance
curriculum was the major purpose of this survey. A questionnaire
based on the concepts and subconcepts in the Oregon
Personal Finance Education Guide was used for data collection.
All Oregon personal finance teachers who taught the...
The purpose of this research was to study teenagers'
consumer credit attitudes, knowledge, and use. More specifically,
the objectives were (1) to determine the relationships
between the variables attitudes, knowledge, and use, and
(2) to compare the use of credit with the independent variables
sex, income, employment, spending, saving, and...
The development of nuclear reactors as an energy source
requires a substantial investment in capital and effort. This
development depends heavily on accurate calculational
methods.
Space-energy flux synthesis, also variously called the
spectral synthesis method, modal method, and overlapping
group method, is one possible method. In this method the
energy...
The purpose of this research was to determine the effectiveness
of a personal finance workshop as measured by a multiple choice
competency test. More specifically the objectives of the study
were: 1) to develop a valid instrument for measuring the participants'
learning as a result of a two and half...
Field studies were conducted in 1973 and 1974 to determine the
soil persistence of the herbicide M-3785 (containing 0.5 lb a.e.
Dowco 290 + 2.0 lb a.e. 214D/gallon). under cropping situations.
Spring barley (Hordeum distichon L. 'Hannchen') was grown at
Corvallis, Oregon and winter wheat (Triticum aestivum L. 'Nugaines.')
was...
Prior to advent of Europeans in the Pacific Northwest,
the Middle Columbia River Basin was the location of highly
developed native cultures. For centuries it was the center
of very important native trade networks that extended over
western North America and a site of important intertribal
rituals relating to renewal...
Juvenile English sole, Parophrys vetulus utilize Yaquina Bay, Oregon, as a nursery during at least a portion of their first year of life, but the possibility of the existence of additional nursery grounds offshore has not previously been examined. During 1971, young-of the-year first appeared in Yaquina Bay in February,...
The purpose of this study was to investigate the pieces of furniture
apartment residents had purchased and their use of this furniture within
the spatial limitations of their apartments. Comparisons were made
between long-term and short-term apartment residents and respective
demographic characteristics, furniture purchase patterns, attitudes
toward the functional aspects...
The gray-tailed vole (Microtus canicaudus) demonstrated a
requirement for selenium and vitamin E. Animals deficient in both
nutrients suffered from liver necrosis and an unthrifty condition
characterized by inappetence, profuse diarrhea, and swollen eyes.
Vitamin E appeared less effective than selenium as a prophylaxis
against this syndrome.
Total body weights,...
Published May 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
Published December 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
One of the major objectives of the Western. Coniferous Biome is to understand the relation between terrestrial ecosystems and the chemical and biological properties of drainage waters. The first year of study on such a program has been completed and has primarily entailed a year of descriptive studies.
The effect of different soil moisture levels on the amount and
location of NO₃ -N accumulation in the soil profile were studied.
The cultivars used in this study were Mcdermid, a soft white
winter wheat, and Hudson, a medium early winter barley.
Moisture treatments simulating dry, normal and wet fallow...
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...
This study was designed to confirm or refute the tenderizing
effect of ultra-hydrostatic pressure on warm excised pre-rigor
muscle, plus to take a thorough look at its effect on some meat
characteristics of economic importance.
Samples for the experiment were obtained from animals (cattle
and sheep) slaughtered at Oregon State...
Bitterbrush [Purshia tridentata (Pursh) DC] plants were burned or
clipped, fall and spring, under different soil moisture conditions on
two sites in east-central Oregon. Treatments, on plants of an erect
growth form on the Juniperus/Artemisia-Purshia site resulted in 38% of
the fall-clipped and 40% of the spring-clipped plants sprouting. None...
Experimental streams constructed by the Weyerhaeuser Company,
Tacoma, Washington, at Kalama Springs, Washington, were used to observe
successional changes in the benthos. Community changes were observed
relative to experimental manipulations of light intensity and nitrate
concentration in two experiments. The development of benthic assemblages
was followed for 150 days after...
The effects of prescribed burning on the abundance, species
composition, and reproduction of small mammals were studied over a
one year period. Two burn areas were studied, one in sagebrush/
bunchgrass and one in cheatgrass. The short-term effects were
studied using monthly mark-recapture trapping on two treatment and
two control...
The growth and food consumption of juvenile coho salmon [Oncorhynchus kisutch (Walbaum)] exposed to natural and elevated fluctuating temperatures were studied in the laboratory with wild fish
collected from a salmonid rearing stream. Control temperatures were similar to the temperature regime of a natural stream and the elevated temperatures were...
The purpose of the study was to demonstrate the effectiveness of a safety systems approach, so designed, to reduce instructional needs by the application of research to the conceptualization and development of a computer-assisted safety management program. Procedure Two hundred accredited schools served as the respondent population for the study....
The breeding habits and embryonic thermal requirements of the
Cascade frog of Oregon, Rana cascadae Slater, are described. The
limits of temperature tolerance of the pre-feeding stages are from
6° to 27°C for embryos held at constant temperatures. However, for
pre-feeding embryos exposed at different developmental stages for
short durations...
Purpose of the Study:
The purpose of this study was to identify and compare the current
written philosophical expressions of industrial arts with the
acceptance of these by select groups of industrial arts teacher educators.
Procedure:
The data for this study were obtained through the use of a
questionnaire derived...
A population of Columbian white-tailed deer (CWTD) was studied on a
refuge (790 ha) in southwestern Washington during 1972-77. Quality of
habitat was considered good for these deer and total population size remained
between 164-230 as determined by mark-recapture methods during
November. Population size declined significantly between the winters of...
In October 1977, a study was undertaken to determine the role of bovine adenovirus type 3 in enzootic pneumonia of calves, and the efficacy of using a vaccine for prevention of disease. Bovine adenovirus type 3 was isolated from the herd under study in the previous year. Calves in the...
The response of two newly released cultivars of winter wheat
when grown under different row spacings, seeding rates and nitrogen
levels were investigated. Measurements made included grain yield,
tiller number per unit area, plant height, 300 kernel weight, bushel
weight and protein content of the grain. Hyslop and Yamhill cultivars...
Kinetics of cell division in the intestinal epithelial proliferative cells (cell nests) of the rough-skinned newt, Taricha granulosa, were studied using tritiated thymidine autoradiography and the mitotic arresting properties of colcemid. Percent labeled mitoses (PLM) curves were drawn from the autoradiographic data from two separate experiments in which the newts...
Seven species of fresh water fishes belonging to three different
families and two species of snails from Ritner Creek, Polk County,
Oregon were surveyed for adult and larval trematodes. A total of
seven species of trematodes representing four families was recovered
from the intestine of the fishes. Of these, at...
Plankton samples for this present study were collected from an
area off the southern Oregon coast, extending westward to about 83
kilometers offshore. Over this sampling area, 41 species of adult
copepods were identified, including representatives of 26 genera and
17 families. The total abundance averaged 550/m³.
Population densities of...
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...
The ability of Streptococcus diacetilactis to inhibit a variety of
food-borne pathogens and spoilage organisms in milk and broth cultures
was demonstrated. Test organisms inhibited included Pseudomonas
and Alcaligenes species, Eschericia coli, Salmonella, Staphylococcus
aureus, Clostridium perfringens and Vibrio parahaemolyticus.
In general, approximately 99.0% and 99.9% inhibition was
observed in...
The object of this study was to analyze the application of linear
programming techniques to ration formulation for feedlot lambs and
steers.
Three rations for feeder lambs were designed to study the application of linear programming techniques under varying ration constraints.
Rations studied were as follows:
iso-caloric rations with
three...
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...
The effects of mold level (Botrytis cinerea), processing method (fresh, individually quick frozen (IQF), frozen sugared sliced (FSS), freeze dried (FD), canned, and preserves), and maturity (underripe, normal, and overripe) and strawberry volatiles were analyzed by gas liquid chromatography (GLC) using on-column entrainment of headspace volatiles in aqueous extracts. Computerized...
Corn oil (CO) and Sterculic foetida oil (SFO) fed rats were
injected with [9, 10-methylene-¹⁴C]sterculic acid. Less than 1%
of the label was expired as carbon dioxide. The majority of the
label was excreted in the urine as short-chain dicarboxylic acids with
an intact cyclopropane ring. The major metabolites for...
This study was a systematic investigation of four Chinese textile
motifs-- the fret, swastika, Shou and Hsi. The purpose of this study
was to analyze the variations in these motifs and their uses on textiles.
The literature concerned the origin, meaning, variation and use of
these four motifs and the...
Pastures consisting of mixtures of subclover (Trifolium
subterraneum) and grasses have responded to sulfur fertilization
on many sites in Douglas County, Oregon. The objectives of this
study were to examine specific changes in forage quality which occur
as sulfur is applied in excess of the amount required for maximum
yield...
Four agronomically and genetically diverse winter wheat parents
were utilized as the experimental organisms. Atlas 66 and NB 68513
were selected as cultivars with a high and stable protein content when
grown under different environmental condidtions. They are intermediate
for grain yield when grown in the Pacific Northwest. Yamhill
and...
With the increased production and use of double knit fabrics
made from textured filament polyester, homemakers have become
concerned over procedures for care that can be successfully carried
out in the home. The purpose of this study was to determine what
effects wash water temperatures and drying methods have on...
The nature of the genetic variation associated with a cross involving winter and spring wheat parents for four quality factors was evaluated. Yamhill, a soft white winter wheat, and Inia 66, a hard red spring wheat, were selected as parents for this study. They represented distinctly different phenotypes for the...
The study determines and compares the characteristics of
innovators (defined as purchasers of wood furniture of similar
line, curve, mass, function, and cost).
Null hypotheses were written predicting that there would be
no difference between innovation in purchase of furniture and age,
creativity, social participation, socio-economic level, exposure
to mass...
The Beat Generation was an American counter-culture movement in the 1950's. Comprised of nomadic writers, poets, actors, musicians, and artists, the Beat movement represented no systematic philosophy and its most distinguishing characteristic was its apolitical disengagement from society. The Beats offered no substantive alternatives to the existing social order, but...
The Federal Water Pollution Control Act Amendments of 1972
prohibits the discharge of seafood processing solid wastes into
navigable waters after July 1, 1977. Oregon shrimp and crab processors
must use other methods of disposal for the 15 to 30 million
pounds of solid waste generated annually. The application of...
The purpose of this study was to investigate the relationship
between innovativeness in clothing and textiles and; self rating of
innovativeness, adoption leadership, venturesomeness, perceived
sewing competence, age, education, social status characteristics,
social participation, sources of information, and continuation of
learning.
The sample consisted of 67 women who sew who...
Forty-eight young adult males were ranked on the basis of mean
hand-grip strength scores and the middle one-third, the medium
strength range, were chosen as subjects. These sixteen subjects were
given 30 serial trials in each of four tests; knee flexion, knee
extension, elbow flexion, and elbow extension. Each trial...
Forty-five young adult males were given 30 trials of Isometric
knee extension and 30 trials of isometric knee flexion. Each trial
consisted of a maximum of three second exertion followed by a 10
second intertrial rest interval. Subjects were ranked on the basis
of the mean of the first three...
This study explored the relationship among marital role expectations,
religiosity, and other variables including age, dating status of
subjects, living arrangement, marriage plans and parents' marriage.
Data were obtained from a sample of 460 Oregon State University
students in April, 1976. They were primarily young students, 18 - 19
years...
The purpose of the study was to investigate the relationships
among satisfaction with clothing, satisfaction with physical appearance,
concern over weight, self-esteem, and participation in leisure-time
activities among a sample of full-time homemakers.
To test these relationships, five measures were used. Satisfaction
with clothing was measured by comparing the actual...
The effects of discharged sewage on physico-chemical conditions
and the distribution and abundance of marine benthic animals were
studied in Shilshole Bay, a part of Puget Sound, off Seattle,
Washington. For over 50 years prior to 1965, when this study was
initiated, 87,300 pounds (32,400 pounds BOD) per day of...
This study of the immediate, localized effects of a small dredging
operation on the benthic invertebrate community in the shipping
channel of Coos Bay, Oregon, was designed: 1) to measure the extent
of the physical removal of benthic macro- and meiofauna by hopper
dredging; 2) to record the subsequent benthic...
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...
The purpose of the study was to determine the nature and
extent of furniture in use in the fourteenth and fifteenth centuries in
England, France, and the Low Countries (Holland, Belgium, and
Northwest France) as portrayed in illuminated manuscripts of that
period.
Reproduced copies of illuminated manuscripts and books containing...
The study investigates relations among Norwegian-American
ethnicity, ownership of ethnic articles, and selected other factors.
Articles include clothing, textiles, and certain household objects.
Hypotheses were drawn predicting relations between ethnic
article ownership and ethnicity as expressed by ethnic practices and
attitudes, and between ethnic article ownership and generation in
America...
Factors associated with the clothing selection practices of
Oregon horse show exhibitors were studied by means of a mailed
questionnaire. Purposes of the study were to determine the extent
to which exhibitors believe that apparel enters into a judge's evaluation
of competitors, to determine the extent to which trainers provide...
Time of stand establishment is a critical factor affecting
yields of winter wheat and barley in the fallow-crop rotation areas
of the Pacific Northwest. Farmers in this winter-rainfall region
are dependent on residual moisture in the seed zone for germination,
because significant precipitation does not usually occur until
after the...
Inheritance of the volatile components in bush snap beans,
O.S.U. 58-110 X 'Romano' cross and reciprocal, was determined
using gas-liquid chromatographic technique with gas-entrainment
on-column trapping. A sample of 10 to 14 pods averaging 5 grams
from a single plant was found to be adequate for F₁, F₂, and backcross...
Organoleptically, flavored yogurts appear to contain lower
levels of acetaldehyde than plain yogurt. This study was undertaken
to seek the reasons for this phenomenon by focusing on the analyses
of acetaldehyde production by yogurt culture bacteria in yogurt base
containing added sucrose and by performing other analyses such as
the...
In this study the relationship between salinity and temperature
changes on microbial growth, enzyme induction and substrate uptake
were investigated. The obligately psychrophilic bacterium, V.
marinus MP-1 was grown for 48 hours at 15 C in a glucose-ammonium
medium (GAM) containing 0.4 M NaCl. Log-phase cells were harvested
and shifted...
The sinuous flight behavior of male Douglas-fir tussock
moths, Orgyia pseudotsugata, (McD.), is characterized by
positive anemotaxis and positive chemoklinotaxis and varies
depending on distance from the pheromone source, population
density, and time of day. Visual cues play a minor role
in close-range orientation to a pheromone source, but
males...
This study was designed to determine instructor performance
appraisal methods being used in community colleges (in Florida, Iowa,
New York, Texas, and Washington) and to identify factors responsible
for variations in performance appraisal procedures. Questions about
instructor performance appraisal which were examined included: who
does it, for what purposes, what...
Elodea densa Planch. was exposed to diquat (6, 7 dihydrodipyrido [1,2-a: 2', 1'-c] pyrazinediium dibromide), alone and in combination
with disodium endothall (disodium salt of 7-oxabicyclo [2.2.1]
heptane-2, 3-dicarboxyclic acid), and copper sulfate pentahydrate.
Studies were conducted in coastal lakes of Oregon infested with E.
densa. Dichlobenil (2, 6 dichlorobenzonitrile)...
Inclusion of substantial levels of raw-frozen Pacific hake
(Merluccius productus) in diets of ranch-raised mink (Mustela vison)
causes a large percentage of animals to develop an abnormal condition
termed "cotton fur" (CF), characterized by depressed body
weight, microcytic-hypochromic anemia and a failure of under-fur
pigmentation. Observations by several groups of...
This report presents observations from two programs in 1975, WISP and UP-75 to study circulation off Oregon. WISP was a study of the transition between the winter and spring regimes, and UP-75 was designed to determine whether there is a poleward undercurrent along the continental slope during the upwellinq season....
Six standard coyote scent station index lines and one scentless control line were repeatedly sampled from May through October, 1974, on a 400 square mile study area in Central Oregon. The scent station index remained relatively constant at a mean value of 0.025 from May through mid-August; increased to a...
Two experiments were conducted to determine the effects of
moisture stress on physiological changes that occur during the vegetative
and reproductive stages of the wheat (Triticum aestivum L.)
plant, and to relate these effects to seed yield, quality and performance.
In a field experiment, different levels of moisture stress were...
A series of in vitro laboratory trials and in vivo
sheep digestion trials were used to evaluate aerobically
or anaerobically fermented perennial ryegrass straw.
The laboratory trials consisted of a silage study, where
mini-silos were used in a 9 X 2 factorial design with
nine levels of whey (0 to...
Detailed bathymetric survey data were collected along the Peruvian
continental margin and were compiled by the author and other
investigators to construct a new bathymetric map for the area between
6° to 18°S latitude. Based on this map and individual bathymetric
profiles, the continental shelf topography is essentially flat. Four...
The antidote (1, 8 naphthalic anhydride) is recommended for
corn protection against EPTC injury where the antidote is applied at
a half percent by weight of corn seeds before planting.
Studies were
conducted to determine the factors affecting the action of antidote in
corn (Zea mays L. var. NB 501D)...
Published June 1972. 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
Selenium deficiency in rats results in increased carbon metabolism,
approaching twice the rate of selenium supplemented animals
(normal). This is also reflected in a 50 percent increase in lysosomal
enzyme activity in tissues of selenium deficient animals.
Isolation of rat liver lysosomes shows a 17 percent increase in
membrane thickness...
A steady-state model designed especially for analysis of gas exchange studies of terrestrial net photosynthesis is discussed. The model expresses net photosynthesis as a function of light, temperature, CO₂ concentration, stomatal resistance, and other factors. The parameters of the model are
estimated from data by nonlinear least-squares. The data set...
The testes of the gray-tailed vole (Microtus canicaudus Miller) exhibited a high affinity for selenium relative to other selected tissues. Uptake of selenium-75 in the testis-epididymis complex was delayed relative to uptake by the whole body, kidney, and liver. This pattern of uptake suggested that selenium was metabolically incorporated into...
Published January 1970. 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 a series of 30 winter wheat fertilizer experiments conducted in the Willamette Valley between 1963 and 1969, optimum rates of nitrogen fertilization varied from 75 to 150 pounds per acre. Fertilization with N, particularly at the-higher rates, increased the protein content of the grain.
Spring-applied N gave greater yield...
The purpose of this thesis was (1) to determine a dietary regimen which would produce the greatest incidence of cardiac calcification in the cotton rat and (2) to determine the fatty acid composition of heart tissue.
Maximum incidence of cardiac calcification occurred from feeding torula yeast ration supplemented with 0.5%...
Intramolecular cyclization of organometallic compounds represents
a promising tool for synthesis. The reaction involves exothermic
consumption of intramolecular double bonds via insertion
into a carbon metal sigma bond. This represents an intramolecular
example of the reaction type responsible for metal catalyzed polymerization
of olefins.
Organolithium reagents were found to cyclize...
The purpose of this research was to determine the effects of a
college human sexuality course upon sex knowledge, attitudes toward
sexual behaviors of non-significant others, and attitudes toward the
sexual behaviors of self and spouse. In addition, the study sought to
investigate the relationship between knowledge gain and attitude...