Reprinted June 1938. 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 was designed to assess the effects of approval seeking motivation and social cost upon conformity to group norms which were inconsistent with personal values. Utilizing the Asch conformity paradigm, 321 subjects were exposed to a group opinion which was contradictory to one of their personal values. The results...
The degree to which camping is related to selected characteristics of river terraces along the Rogue Waterway, Oregon has been analyzed. Previous attempts to formulate models relating campsite choice to characteristics of the natural environment focused on camping parties engaged in auto-camping and the aggregate population behavior rather than on...
The objectives of this study are (1) to compare the
costs of providing camping among different types of U.S.
Forest Service developed campgrounds in Oregon and Washington
and (2) to help determine possible policy implications
regarding future management in relation to costs of providing
the various campground facilities. To meet...
Despite the growth of the global refugee population, the proliferation of refugee camps, and the personal experiences of many refugees with violent conflict, there is little systematic understanding of the relationships between conflict events, conflict actors, and refugee communities. Indeed, conflict in and around refugee camps has thus far only...
A vegetation study was made of four coastal marshes near Juneau,
Alaska. Results confirmed earlier studies' findings in southeast
Alaska that communities or assemblages of species can be identified
but from marsh to marsh these assemblages appear to have no consistent
relationship to each other or to environmental "factors" such...
This project examines the landscape of the farming community of Beagle, Oregon
prior to and during the Second World War and the effect on it due to
the construction of Camp White, a World War II training facility. The Beagle
landscape is examined through the prism of current theory that...
Remnants of railroad logging camps, and their associated features, are perhaps some of the most common archaeological resources found on public lands in the Pacific Northwest. Many camps have already been located, their cultural materials inventoried, and networks of logging railroad grades mapped. Yet, despite these efforts, little can be...
The 2004 Indian Ocean and 2011 Tohoku tsunami events have shown the destructive power of tsunami inundation to the constructed environment in addition to the tragic loss of life. A comparable event is expected for the Cascadia Subduction Zone (CSZ) which will impact the west coast of North America. Research...
Six experiments were carried out with Single Comb White Leghorn laying chickens to
assess the effect of feeding a source of direct-fed microbials (Lactobacillus; Lacto) and its
carrier [condensed cane molasses solubles (CCMS)] on the retentions of fat, nitrogen and
several minerals; on the status of the pH of the...
The wetlands are distinguished from other lands of the Mid-Willamette Valley by excessive soil moisture. The wetlands, as defined for this study, consist of 20 soil series (in 22 soil mapping units) which are classified by the Soil Conservation Service as having excessive wetness as the major factor limiting their...
'Jubilee' sweet corn was grown under conventional tillage and
strip tillage in 1982 and under conventional tillage, strip tillage
and no-till culture in 1983. Effects on soil temperature,
stand establishment, plant development parameters, overall yield,
yield components, and water use efficiency were measured.
In 1982, conventional tillage appeared to have...
The nuclear level structure of ¹⁰¹Ru has been investigated
through the decay of 14.0 minute ¹⁰¹Tc produced by thermal neutron
irradiation of molybdenum targets. Gamma-ray energies and relative
intensities have been measured with the high resolution Ge(Li) spectrometers.
Based on the energy sum and the intensity balancing, a
consistent level...
The decay of ⁶¹Cu and ⁵⁹Cu produced by (d, n) reactions on
natural nickel has been investigated. Gamma-ray energies and relative
intensities were measured with a high resolution Ge(Li) spectrometer.
The gamma-gamma coincidence spectrum of ⁶¹Cu was
studied with a Ge(Li)-NaI(T1) system. From these data decay
schemes of ⁶¹Cu and...
The purpose of this study was to test two hypotheses. The first
hypothesis interprets allochthonous rocks in the Willow Creek area of the
Pinyon Range as lying on flat, superficial thrusts that truncate the
underlying folded Mississippian rocks of the Antler flysch sequence.
The second hypothesis interprets the allochthonous rocks...
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In the preparation of this thesis, the writer does not claim to have discovered any great truths or their underlying causes. As the title indicates, the work is a summary of some of the more important investigational activities on the McDonald Forest. This line of endeavor was chosen because it...
The abundance of algal species and their parasites
was monitored weekly for two years in a sewage lagoon
at the Corvallis Airport, Oregon. During the cooler
months, Euglena species were dominant followed by a
Chlamydomonas assemblage in the spring and a
predominantly Scenedesmus assemblage in the summer and
fall. Parasites...
The decay of Pd¹⁰⁹, Pd¹¹¹ [superscript g], and Pd¹¹¹ [superscript m] produced by thermal neutron irradiation of palladium targets has been investigated. Gamma ray energies and relative intensities have been measured with a high resolution Ge(Li) spectrometer. From energy sums and relative intensity considerations level schemes for Ag ¹⁰⁹ and...
The objective of this study was to determine whether visitor
perceptions of ecological impacts at wilderness campsites could be
accurately measured using photographs or written descriptions rather
than actual site evaluations. Photographs and written site descriptions
of 20 campsites were used to measure perceptions of two forms
of campsite impacts...
Published April 1980. 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 project explores the impact of land use decisions on dune processes at the
Oregon National Guard's Camp Rilea. located on the north coast of Oregon. It
used a combined analysis of historical and modern data sources to assess the
impact of land use practices. Historical sources including the journals...
Cryopreservation of pollen offers a simple and effective method of
long-term pollen storage. Pollen may be stored in liquid nitrogen (LN)
for many years without loss of its essential capabilities to pollinate,
fertilize, and set normal fruit and seed when used in plant breeding,
for controlled pollinations, or for the...
This paper is a classification of 181 problems, each of which involves the evaluation or application of determinants. The problems are those which have appeared in the "Problems and Solutions" sections of the American Mathematical Monthly, Deutsche Mathematiker-Vereinigung Jahresbricht, Mathematics Magazine, and School Science and Mathematics. The problems are classified,...
This paper gives a proof that the Completeness Axiom of
Lobachevskian geometry -- as formulated in the second English translation
of David Hilbert's Foundations of Geometry (tenth German
edition)--is a theorem in the three dimensional Poincare model. An
explicit canonical isomorphism between all models of Lobachevskian
space is given.
This,...
A gas chromatographic procedure was developed for the determination
of nanogram quantities of hydrocyanic acid using a
flame ionization detector. Excellent chromatograms were obtained
on a porous polyaromatic polymer column (Porapak Q) at 60°C. The
procedure was employed for the analysis of HCN in aqueous cyanide
solutions. Solutions as low...
A detailed cost analysis was performed on 111 U.S. Forest Service campgrounds in the Pacific Northwest (Region 6). Five experience levels were analyzed to estimate facility, operation and maintenance, and opportunity costs. Cost functions, estimated by multiple linear regression analysis to predict the effect of size (number of sites) and...
A. W. N. Pugin was a driving force in the Gothic Revival movement in England during the first half of the nineteenth century. He was an architect and a writer who expounded on the virtues of reviving Gothic architecture, not only for its reflection of the sacred mystery of ancient...
In the measurement of fire weather and forest inflammability,
now practiced regularly at more than 90 forest stations in northern
Idaho and western Montana, it is necessary to use many methods
that are peculiar to this work. Some of these methods are familiar
to meteorologists, but few foresters have had...
This study explores private and public campground markets in Oregon. A profile of
private and public campgrounds, their prices, location, and amenities, served as the supply
side statistics while responses from the 1997 Campground Questionnaire provided data
for demand of Oregon campgrounds. The questionnaire inquired about respondents' last
camping trip...
An all-glass gas chromatograph was developed for the analysis
of corrosive metal halides. Included in the apparatus is a new liquid
sampling system designed for fast repetitive sampling of corrosive
liquids in an inert atmosphere. A flame photometer detector was developed
to permit the detection of corrosive solutes in the...
Boulder transport models have been used to develop a historical record of hydrodynamic events. This is done by evaluating the size, location, and composition of boulders that have been removed from their region of formation. Boulder transport is difficult to predict, even under laboratory conditions.
Experiments were conducted to evaluate...
The purpose of this study was to investigate the effects of
logging on the productivity, structure and biomass of a periphyton
community developed in mountain streams. The three streams used
in this investigation were located in the coast range of Lincoln
County, Oregon. They were selected for similarity of habitat,...
Restoration ecology seeks to incorporate entire ecosystem functioning; primarily attempting to repair what has been degraded or altered. In order to reinstate ecological processes, biotic and abiotic components must be included, such as flora, fauna, hydrology, and of course, soil. Soil provides many functions in which all aspects of life...
The purpose of this bulletin is to show how woods should be graded in order that they may be given uniform results when subjected to treatment with preservatives; it is intended for those interested in wood preservation.
This thesis examines various net or finite difference methods
for solving parabolic partial differential equations in one space variable
with constant coefficients. Included in this investigation are
explicit, implicit and multi-step methods of varying orders of accuracy.
These methods are compared with respect to accuracy, speed,
efficiency, stability, simplicity of...
Concern about noise pollution has swept the country.
People are conscious of their environment and are trying to
preserve or to improve it. When the City of Lake Oswego
selected a site for their water treatment plant, they had
to assure the neighbors that it would not increase the
ambient...
Investigations with ram semen were conducted to develop procedures
of cyrogenic preservation that would provide long-term
retention of fertilizing capacity in ram spermatozoa.
An isotonic extender consisting of egg yolk, sodium citrate,
lactose, glycerol, and a broad spectrum antibiotic was selected from
among several extenders tested in pilot studies. Using...
The selenium-responsive syndromes and the discovery of
Factor 3-selenium focused attention on selenium in metabolism. Two
hypotheses have been advanced to explain the metabolic effect of
selenium: 1) substitution or sparing of alpha tocopherol, and 2) a
primary role in metabolism. The first hypothesis is supported by
Scott and Desai,...
Creep in wood has been observed since 1833 but only recently
has it been studied quantitatively. The aim of this paper is to study
the time-dependent deflections of Douglas fir, Coast Region beams
in bending and shear modes. The general method of approach used is
that of large scale observation....
Ruelene was orally administered to three female sheep at a
dosage rate of 121.5 mg /kg. The cholinesterase (ChE) activity levels
of blood plasma, red blood cells (RBC), and mosquitoes (Aedes
aegypti) which had fed on the sheep were tested at various times
before and after dosage. Maximum depression of...
Proban, Famphur and Tiguvon were administered intravenously,
subcutaneously, and orally at varying concentrations to 101 female
rabbits. The cholinesterase (ChE) activity levels of both plasma and
red blood cells were tested, as was tick and mosquito ChE, at various
times before and after dosage. The determinations measured the
inhibition of...
The life history of the Obscure Root Weevil, Sciopithes obscurus (Horn), on Rhododendron was studied at four sites in the Willamette Valley. This research was conducted in an effort to provide information necessary to develop adequate methods to control this Curculionid pest on Rhododendron in the Willamette Valley. Five larval...
Characterization of a virus requires that its physical, biochemical
and biological properties be determined. In this study the
Oregon sockeye salmon virus was characterized. It was isolated
in the fall of 1958 from juvenile sockeye salmon, Oncorhynchus
nerka, being reared at the Oregon Fish Commission's Willamette
River Hatchery.
When inoculated...
This investigation was undertaken to determine 1) the effects
of various carbon sources in defined media on pectolytic enzyme production,
2) the effect of the incubation period on pectolytic enzyme
activity, and 3) the development of improved methods for the purification
and characterization of the polygalacturonases (PG) produced
by Fusarium...
Aerial photography has become a valuable method of acquiring
information on estuarine current circulation patterns. The method
provides a comprehensive picture of nearly simultaneous surface
water movements. It represents a significant improvement over
conventional surface float and current meter methods because large
areas may be covered in great detail with...
Diet, nutrition, and foraging strategies of canvasbacks (Aythya valisineria) and redheads (A. americana) were studied by collecting actively feeding birds throughout the reproductive season in 1980 and 1981; samples of available foods were taken each time a bird was collected. Nutrient composition of the aggregate diet was determined for each...
Two-way transmission of data on broadband community cable television systems is considered in this thesis. A discussion of the data transmission environment is presented which attempts to characterize the channel noise and interference which degrades data transmission performance. The analysis considers channel degradation resulting from additive gaussian noise and various...
The distribution of adult Pacific herring (Clupea harengue
pallasi) near Auke Bay, Lynn Canal, southeastern Alaska, varied by
depth and geographic area over 24 successive months during 1973-75.
From June through September, schools concentrated at 5- to 37-m
depths where zooplankton was abundant, and moderate currents were
present in a...
Signification temperature differences were found to exist among three similarly situated stations in the Mid-Willamette Valley of Oregon. The stations were McMinnville, Salem, and Corvallis. Factors known to influence temperatures were compared with the temperature differences of the stations using available weather data. Factors examined included elevation, latitude, cloud cover,...