The objective of this project was, "To establish, in Oregon, a coastwide red abalone sport fishery and a limited commercial fishery as stocks dictate." Starting in 1967, abalone were planted at Whale Cove in Lincoln County, and were later planted at the Rogue River Reef in the Gold Beach area...
In 1968 the Oregon Fish Commission (now Oregon Department of Fish and Wildlife) initiated P.L. 88-309 funded studies to develop techniques to spawn and rear several species of bay clams. After our successful spawning and rearing studies, we planted the laboratory-produced juvenile clams on various tideflats of several estuaries to...
The purpose of this study of the life and career of Dr. Carl
Leonard Anderson was to recount his professional contributions to
the field of health and relate these to public health and health education. The major emphasis of this study concerned Dr. Anderson's
professional life.
The accomplishment of the...
Several variations of budding and cutting propagation methods
were tested for use with filberts. Both summer budding and chip
budding attempts were generally unsuccessful. However, the results
of employing measures to retard desiccation of buds and increase
callusing rates indicate possibilities for future success. Numerous
sheathing, wrapping and sealing materials...
Juvenile coho salmon (Oncorhynchus kisutch) were orally
immunized against the bacterium Flexibacter columnaris (formerly
Chondrococcus columnaris), the causative agent of columnaris disease
in fish, with a vaccine-food preparation containing formalin-killed
cells. Fish immunized for 1, 2, 3, and 4 months were challenged
with selected concentrations of F. columnaris by exposure...
The control of filbert (Corylus Avellana L.) suckers by means
of herbicides was investigated in three phases during 1968 and 1969.
(1) Screening trials, on canned filbert trees in the greenhouse, to
determine the effectiveness of various herbicides and concentrations
in controlling vegetative growth. (2) A summary experiment in the...
Three distinct stages of flower cluster abscission were identified
prior to fertilization: flowers which did not begin development (stage
1), flowers which had begun development (stage II) and clusters which
had begun to form distinct nuts (stage III). Abscission of stages I
and II coincided with a rapid increase in...
Nut drop in the filbert is a consequence of the senescence of the
husk. It is possible to accelerate this process by the application of
ethephon (2-chloroethyl)phosphonic acid after the nut has abscised
from the base of the husk. This study is an investigation on the physiological
effects of the...
A physio-ecological study of Lobaria pulmonaria (L. ) Hoffm.
was done to determine if geographic variation occurred within the
species. Lobaria pulmonaria was collected from Table Mountain,
Oak Creek, and Lost Prairie, located in the Coast Range, Willamette
Valley, and Cascade Range respectively in Western Oregon.
During 1971 and 1972...
Oregon's Willamette Valley sweet cherry growers have
developed a market for large, high quality, stem-on brining cherries.
The maturity indices pull force (PF), percent soluble solids (SS),
and weight (Wt) were chosen as being the most probable indicators of
maturity.
The rate of change of PF during the harvest period...
Spring frost damage to pears in the Pacific Northwest frequently
results in substantial crop losses. This research was undertaken to
investigate the effects of frost on pear buds, flowers, and fruit
through controlled freezing tests and field studies in order to better
understand the frost phenomenon and refine frost protection...
The response of three hardwoods from Ghana and a hardwood and
three softwoods from the United States to liquid and gas-phase impregnation
was investigated. Impregnation with liquids included a sink-float
test in a water-glycerine solution and pressure treatment with a copper
sulphate solution and creosote under identical treating conditions.
Flow...
A study was made to clarify the relationships of Mentzelia mollis
Peck and two poorly understood taxa of Mentzelia (Loasaceae) to the
other members of the genus, its sections, and its subsections, and
to describe the general ecology of each taxon.
Within the genus, the section Trachyphytum is characterized by...
Moored instrument records, drogue displacements, and hydrographic
observations are used in describing the coastal currents and
upwelling off Peru. The data were obtained over the continental shelf
near 15°S. during a two week study in late March and early April of
1969.
First order statistics and graphical representations of current...
This investigation consisted of two parts: A. stability, B.
bioavailability of vitamin B₆ in wheat. Three variables; whole wheat
flour (WHW), white flour (W) and W enriched with vitamin B₆ (WB₆)
were tested.
Stability of vitamin B₆ during bread making and storage of
bread and flour was determined. Bread was...
Aflatoxins B₁, Q₁ and aflatoxicol, R [subscript o] F, but not B₂ were activated in the presence of NADPH by the 105,000 x g pellet from rainbow
trout (Salmo gairdneri), Mt. Shasta strain, liver to products lethal to
Bacillus subtilis GSY 1057 (metB4, hisAl, uvr-1). Electron microscopy
confirmed the microsomal...
The vitamin B₁₂ concentrations in both the water and sediments
of Klamath Lake were found to vary significantly during a
one-year period. The patterns of B₁₂ distribution were remarkably
similar among the three main sites. In all cases there was an extremely
sharp gradation in concentration in relation to depth...
The purposes of the research presented in this thesis were: (1)
to determine the precision with which it is possible to measure
changes in vitamin B6 compounds in the blood and urine following
oral doses of levels of vitamin B6 (as pyridoxine) which are in the
range of the normal...
The competition or rivalry for the use of water resources
among economic sectors of the Pacific Northwest and among geographical
regions of the western United States has intensified in recent
years. This rivalry and the long run prospects for water shortages
have increased the demand for research concerning the productivity...
The competition or rivalry for the use of water resources
among economic sectors of the Pacific Northwest and among geographical
regions of the western United States has intensified in recent
years. This rivalry and the long run prospects for water shortages
have increased the demand for research concerning the productivity...
Lumber drying accounts for about 70 percent of sawmill energy
requirements. Significant recovery of energy used to dry lumber
would result in significant energy recovery for the mill. This is
desirable because of today's high cost of energy. The objective of
this study was to recover some of the energy...
The occurrence and distribution of fish viruses in Oregon were
determined by the examination of anadromous and fresh water salmonids.
Infectious pancreatic necrosis virus (IPNV) was isolated and
identified from asymptomatic adult coho (Oncorhynchus kisutch) and
chinook (0. tshawytscha) salmon returning to the Columbia River
system. Infectious pancreatic necrosis virus...
The morphology and genesis of soils of the Willamette series
and of some Willamette-associated soils and their relationships to
geomorphic surfaces were studied in an area near McCoy, Polk
County, Oregon. Influences of regional extent, such as climate and
parent material, were related to the soils and landforms. The soils...
The purpose of this study was to investigate the relationship
between a measure of anxiety and academic achievement of freshmen
women enrolled in the University of Northern Colorado (U.N.C.).
One thousand and eighty women, eighty-seven percent of the
freshmen women, were included in this study. All subjects completed
the American...
The substantial increase in resin costs due to the recent energy
crisis, increased public awareness to the problem of free formaldehyde
from boards bonded with urea-formaldehyde resins, and a projected
increase in the production of exterior board have emphasized the need
for new and substitute adhesive systems. One new development...
Nonlocal theories of continuum mechanics are used to model the
fracture behavior of particleboard in tension perpendicular to the plane
of the board. Classical theories of fracture are examined in comparison
to a nonlocal crack solution which has removed the stress singularity
at the crack tip. With the removal of...
Concern over the need to provide open space in communities
for recreation and other uses and to estimate the public values
involved is apparent to regional planners. This need, particularly
evident in natural resource planning, indicates that more sophisticated
analytical techniques be developed.
The primary thrust of this study is...
The effect of soil temperature and soil water suction on the rate
of phosphorus uptake and growth rate of wheat (Triticum aestivum
VILL. ,
Host) was studied.
Plants were grown in perlite slabs
separated from an osmotic solution by a semi-permeable membrane.
Measurements were made at temperatures of 10.0, 18.3,...
The effect of oral contraceptives on urinary and plasma vitamin
B₆ as well as erythrocyte transaminase activities was investigated in
women. Five women who were taking oral contraceptives and four
who were not using these drugs served as subjects. They were
apparently healthy and free from any known metabolic disorder....
Major and minor minerals have been separated from
three L-6 chondritic meteorites (Alfianello, Colby (Wisconsin),
and Leedey). Olivine, hypersthene, diopside, feldspar,
troilite, chromite, phosphate minerals, and metallic
minerals were analyzed for major, minor and trace elements
using instrumental neutron activation analysis and radiochemical
neutron activation analysis techniques. Concentrations
df the...
A new method for the preparation of the 2, 3, 3a,8a-tetrahydro-2-hydroxyfuro[2, 3-b] benzofuran, XXX, ring system has been developed. The synthesis envolved a substitution reaction of phenol, XXIV, with 1-bromo-2, 5-hexadiene, XXV, to give 2, 5-hexadien-l -yl phenyl ether, XXVII. The ether was rearranged via an ortho-Claisen rearrangement to 3-(o-hydroxyphenyl)-l,...
The thermolysis of trans-1 -trimethylsiloxy- 1-vinylcyclotridec-
3-ene (VI-OTMS) led to the formation of two major products: 4-vinylcyclotridecanone
(VII) and cyclopentadec-5-en-l-one (VIII) after
hydrolysis. Ketone VII is produced by a concerted [3, 3] sigmatropic
shift, while ketone VIII is formed by a [1, 3] sigmatropic shift with
a concerted or diradical...
A series of field experiments was conducted during 1975 and
1976 to examine peppermint tolerance and Canada, thistle response to
Dowco 290 (3, 6- dichloropicolinic acid). Peppermint oil yield and
Canada thistle density were considered most important in evaluating
experimental results.
Peppermint tolerance to Dowco 290 was studied in weed-free...
Plasma vitamin B₁₂ concentrations of 16 elderly women were
measured using the growth response of the microorganism, Ochromonas
malhamensis. The method required major modifications which
are described in detail. All women had plasma concentrations of
vitamin B₁₂ above the normal minimum of 200 pg/ml despite the fact
that the diets...
During the development of the media for the identification and
differentiation of Clostridium perfringens and C. botulinum types A,
B and E, 16 different double layer media were prepared and tested
with known cultures of 28 C. botulinum strains, 20 C. perfringens
strains and 11 other clostridial species.
The semisolid...
Dietary protein intake has been observed to influence the induction
of cancer in animals exposed to carcinogens, presumably by affecting the
activities of enzyme systems which metabolize them. One such carcinogen
is aflatoxin B₁ (AFB₁) a mold metabolite and frequent contaminant of
foodstuffs. Variations in the levels of dietary proteins...
Two hundred thirteen mammals were captured on two study areas
between April 1976 and August 1977. Samples of urine and kidney tissue
from 202 mammals were cultured on media suitable for leptospiral growth.
Leptospiral organisms were not isolated from tissue cultures. Sera
from 88 mammals were examined by the microscopic...
The effects of soil temperature and soil water suction on the
uptake of calcium, magnesium, and potassium by wheat (Triticum
aestivum VILL., Host) were studied. Companion studies on uptake of
nitrogen and phosphorus provided background for discussion of the
results. Plants were grown in perlite slabs separated from an
osmotic...
Phyllopane microorganisms on the leaf surfaces of bean
(Phaseolus vulgaris L. ), hop (Humulus lupulus L. 'Fuggle-H'),
mint (Mentha piperita L. 'Mitcham') and tomato (Lycopersicon
esculentum Mill. ) has been observed by cultural methods. A leaf
impression method was used to examine both actively growing and
inactive propagules present on...
Facility location studies involve the selection of a preferred
course of action from an array of multiattributed alternatives. The
factors affecting this selection are defined in both quantifiable and
qualifiable terms. The former comprises primarily monetary or operational
data, and the latter consists of nonmonetary and environmental
parameters; where the...
The Oregon sockeye salmon virus (OSV) was isolated from
diseased sockeye salmon (Oncorhynchus nerka) fingerlings in 1958
by J. L. Fryer. Experimentation performed prior to the research
reported herein indicated that the OSV contained essential lipids, was
100 to 300 mμ in size, and possessed RNA (presumptively identified
by 5-bromodeoxyuridine...
Regular null curves in Regular null curves in L³ always have a time component parametrization. This fact puts the Frenet equations for regular null curves in L³ in a simple form. A fundamental existence and uniqueness theorem for regular null curves in L³ is proved, and applications to geometry are...
Let X be a set. Given any preorder < on the set X, there corresponds a family of subsets of X, namely, WIx E x} where L = {y y E X y <x} such that, for all elements x and y of X, x <y iff L ( L....
Stability, substrate and inhibitor specificity and electrophoretic
properties of a crude polyphenol oxidase (PPO) preparation extracted
from d'Anjou pears (Pyrus communis L.) were investigated. Levels
of polyvinylpyrrolidone and pH of buffer for extraction were found
to affect the specific activity of the extracted enzyme. An extract
prepared with 1.5 g...
Bush snap beans (Phaseolus vulgaris L.) cvs 'G5O' (Gallatin
50) and 'OSU58' (Oregon 58) were used for anatomical and morphological
studies of their responses to three levels of temperature.
The plants were grown in a controlled chamber under a 16-hour
photoperiod at 60°/50°, 70°/60° and 80°/70°F (day/night temperature),
respectively.
The...
A nutrient solution technique developed for wheat was used to
determine tolerance of rice cultivars to aluminum (Al) toxicity.
Pre-germinated rice seed was placed on top of a screen and allowed
to grow on the Al-free solution for 72-96 hours or until the primary
root was 2-3 cms long. Seedlings...
The objective of this investigation was to develop an acceptable
aspartame sweetened orange sherbet which might offer significant
caloric reduction and cost advantages, and hence be applicable to
commercial production.
A control sherbet, with a preference level equal to a
commercially available orange sherbet was used as the reference.
An...
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...
Easter Island and Sala y Gomez are part of the Sala y Gomez
Ridge, a broad band of high topography and scattered seamounts
extending ESE from the East Pacific Rise. It has been proposed that
the Sala y Gomez Ridge results from the movement of the Nazca Plate
over a...
The kraft and kraft-anthraquinone pulping processes were used
for pulping Douglas-fir chips at 170°C, 180°C and 190°C temperatures.
Anthraquinone was added to the pulping liquor at two levels, 0.1%
and 0.2% based on wood, to study its effect on pulp delignification
at the three temperatures. The fluorescent behaviors of kraft...
Experiments were conducted to determine the effect of environment
and several plant growth regulators on the physiology, quality,
and agronomic performance of snap beans (Phaseolus vulgaris L. )
and spring wheat (Triticum aestivum L. ). The potassium salts of
naphthenic acid and cyclohexanecarboxylic acid, received particular
attention.
Application of potassium...
The ozone present in the atmosphere filters incident solar
ultraviolet (UV) radiation such that only the longer wavelengths of
the total UV spectrum emitted by the sun reach the earth's surface.
Atmospheric increases in nitrogen oxides and chlorofluoromethanes
represent a threat to the existence of this protective screen. As
the...
Methanolic extracts of the dormant Douglas-fir shoots (buds, leaves, and stems) were fractionated by solvent partitioning (sodium bicarbonate-diethyl ether). The acidic portion of the extract was subjected to column (Sephadex LH-2O, Silica Gel and Polyvinylpyrrolidone), preparative thick-layer and gas-liquid chromatography.
Fractions collected from chromatographic separations were collected and tested for...
Field and greenhouse experiments were conducted to determine the suitability of using incinerated sewage sludge ash as a soil amendment for sweet corn production on Willamette silt loam. In 1977, field plots were treated with 0, 11, 22, and 43 mt/ha of ash containing lime, in factorial combination with a...
Self-interactions (effects of reinoculation with the same nematode)
in Meloidogyne hapla and Heterodera schachtii on Beta vulpris at
different levels of inocula with various population combinations were
studied. In M. hapla, the only significant increase of galls was
noted in treatments when 250+250 larvae were inoculated at 10-day
intervals. Longevity...
The use of crownvetch (Coronilla varia L.) as a forage crop
might be increased considerably if seed with low hard seed content
could be made available at reasonable cost. Since mechanical scarification
damages a large percentage of crownvetch seeds, this study
was initiated to find other ways of reducing hardseededness....
Purpose
The purpose of this study was to compare the ability and achievement
of students in career cluster programs to the ability and achievement
of students not in career cluster programs. The cluster programs
included in this study were Distributive Education, Health
Careers, Mechanical, Food Services, Metals, Child Care, Construction,...
Yield reductions due to competition of weeds with crop plants
can be extremely important. Early weed competition can be as important
in reducing crop yield as weed competition for the entire
season.
The objectives of this study were (1) to determine the weed
control achieved by narrow row-cropping patterns, (2)...
Mean weights, lengths, and condition factors of three isozyme
phenotypes of lactate dehydrogenase (LDH) enzyme differed significantly
for experimentally reared winter steelhead trout (Salmo
gairdneri) fry. Time of emergence from the gravel was unrelated
to LDH phenotype. Relative mortality of the phenotypes between
eyed-egg stage and emergence was unaffected by...
The species composition of soil microfungal populations in-adjacent
stands of red alder, conifers, and mixed alder conifer correlated
strongly with the dominant vascular vegetation. A total of 92
species were isolated: 55 from the alder stand; 45 from the conifers;
and 46 from the mixed alder-conifer, with few species (16,...
The influence of evaporative cooling for delay of 'Bartlett' and
'Bosc' fruit bud development for frost avoidance was investigated.
Two mist systems, one in a mature pear orchard and the other in a
young pear hedgerow, delayed 'Bartlett' and 'Bosc' bloom up to 15 and
8 days respectively. A low...
The objective of this study was to examine the published clinical
literature on the prophylactic therapy of angina pectoris with
the organic nitrates in order to determine the relationship between
experimental design and the conclusion of efficacy reported by the
investigator. A search for articles reporting original clinical investigations
on...
Pacific madrone, tanoak, and California black oak are the most economically promising native California hardwoods. Volume and value data indicate upward trends in growing stock levels and prices received for their products. These trends are likely to continue. They suggest research is particularly needed for: (1) seed fall and
regeneration,...
In this thesis, problems arising in pumping fluids
from the ground are treated. The mathematical theory is
derived for both the time dependent and independent cases.
A numerical method is developed to solve these problems.
Some particular examples are presented and computer plots
are drawn to illustrate the movement of...
Juvenile coho salmon (Oncorhynchus kisutch) of three transferrin
genotypes (AA, AC and CC) were experimentally infected with the
causative agent of bacterial kidney disease (BKD) and mortalities
observed. Six experimental and control groups were used:
(1) bacteria-infected + no Fe⁺³ ; (2) bacteria-infected + low Fe⁺³
levels; (3) bacteria-infected +...
Phenotypic similarities of coho salmon (Oncorhynchus kisutch)
stocks from Oregon, Washington, and California were compared using
agglomerative and divisive cluster analyses. The phenotypic characters
evaluated included the following: 1) the isozyme gene frequencies
of transferrin and phosphoglucose isomerase; 2) the life history
characters time of peak spawning and proportion of...
Prior to onset of the breeding season, a ration containing 18.4 mg/kg N-(Ethylmercuri)-p-toluene sulphonanilide was fed to 6 male and 16 female ring-necked pheasants (Phasianus colchicus). Birds
receiving the mercury-treated ration were separated from the opposite sex. After receiving the mercury-treated ration for 0, 2, 4, 8, or 16 days,...
This thesis is an attempt to develop a theoretical microeconomic
model which can be used to examine the short-run demand for the
timeliness of farm machinery repairs. This analysis focuses on
the timing of the repair after a breakdown has occurred.
The nonstochastic model developed allows the incorporation of
the...
Temporal changes in gene frequencies and genotype frequencies,
monthly densities, survival rates, growth rates, trap susceptibility
and home ranges were evaluated from 291 Nuttall's cottontails
(Sylvilagus nuttallii) captured 950 times by livetrapping and 53 cottontails
collected by shooting. Electrophoretic analyses of sera revealed
protein polymorphism at the transferrin locus in...
A standard fast reactor spectrum can be created by the partial moderation of the U-235 fission spectrum in an air cavity. Spherical natural uranium shells are driven by thermal neutrons from a thermal column. The uranium is placed at the center of a spherical graphite hohlraum to reduce the anisotropic...