Index Catalog // ScholarsArchive@OSU

Forest vegetation and soils of terraces and floodplains along the McKenzie River, Oregon

Creator:: Hawk, Glenn M.
Abstract:: A study of the McKenzie River floodplains, terraces and glacial outwash plains was undertaken to classify and describe the vegetation and soils of a previously little studied synecological unit. During the summer of 1971, 54 analytic vegetation and soil plots (stands) were studied. Cover and frequency of all trees, shrubs,...
Resource Type:: Masters Thesis
Full Text:: along the McKenzie River, Oregon AN ABSTRACT OF THE THESIS OF GLENN MARTIN HAWK for the MASTER OF

Effects of Stage 0 treatment on spring Chinook juveniles within South Fork McKenzie River in Oregon

Creator:: Hahn, Aleah
Abstract:: Low-tech habitat restoration techniques, including Stage 0 treatments, are increasingly applied but often lack robust evaluation of their effects. In 2018, one kilometer of the South Fork McKenzie (SFMK) River, OR was modified to the Stage 0 condition for the benefit of ESA-listed Chinook by raising the incised channel to...
Resource Type:: Masters Thesis
Full Text:: Fork McKenzie River in Oregon. Abstract approved

Stomatal activity patterns in provenance plantations of Abies concolor and Abies grandis

Creator:: Keys, Steven Charles
Abstract:: Seedlings from 25 provenances of Abies grandis and Abies concolor were studied at two plantations, 12 at Philomath, Oregon, and 13 at Camino, California. Native seedlings were studied at four of the provenances' field sites. Stomatal infiltration pressure measurements and plant moisture stress measurements were made throughout one summer on...
Resource Type:: Masters Thesis
Full Text:: : Redacted for Privacy Dr. Donald B. Zobel Seedlings from 25 provenances of Abies grandis and Abies

The influence of diet and dieldrin on the growth and body composition of underyearling rainbow trout

Creator:: Phillips, Glenn R.
Abstract:: The effects of a sublethal concentration of dieldrin (0. 2 ppb) in the water on the growth and body composition of underyearling rainbow and cutthroat trout held in aquaria and fed different rations of tubificid worms or Oregon moist pellets were studied at Oak Creek Fisheries Research Laboratory, Oregon State...
Resource Type:: Masters Thesis
Full Text:: TROUT Abstract approved: Redacted for Privacy Donald R. Buhler The effects of a sublethal

Magnetic and gravity interpretation of Yaloc-69 data from the Cocos plate area

Creator:: Lu, Richard Shih-Ming
Abstract:: Magnetic, gravity and bathymetry data were collected on an extended cruise of the R/V Yaquina in 1969. The last set of data was obtained from those track lines leaving the Panama Basin. The area covered is mainly the Cocos plate (Molnar and Sykes, 1969). The data is analyzed and compared...
Resource Type:: Masters Thesis
Full Text:: INTERPRETATION OF YALOC-69 DATA FROM THE COCOS PLATE AREA Abstract approved: Donald F. Heinrichs Magnetic

The potency of Oregon digitalis

Creator:: Lee, Donald Kuo-Chih
Resource Type:: Masters Thesis
Full Text:: of the requirements for the egree of LIST O' SCI10E by Donald. Kuo-Chih Lee July l93

Consumptive use of surface water by Willamette Basin municipalities

Creator:: Mittelstadt, Richard Lee
Abstract:: The consumptive water use of six cities in the Willamette Basin of northwestern Oregon was evaluated for the period 1960-66. Consumptive use ratios were obtained by analyzing data from monthly water supply and sewage flow records. The average annual consumptive use for the six cities was found to be 26...
Resource Type:: Masters Thesis
Full Text:: WATERS BY WILLAMETTE BASIN MUNICIPALITIES A=M110.1E1.11 Donald C. Phillis Abstract approved

An analysis of first-year accounting curriculum/methods at the high school, community college, and university levels in Oregon : implications for teacher education

Creator:: Sawyer, Rita, 1957-
Abstract:: This study was designed to determine the differences and similarities among first-year accounting curricula in high schools, community colleges, and four-year colleges in Oregon. The areas studied were teaching methods, testing methods, communication skills, evaluation methods used in the communication skills, inclusion of necessary computer application skills, and the testing...
Resource Type:: Masters Thesis
Full Text:: , Dr. Joseph Hlebichuk, and Dr. Donald Amort, for their expertise, interest and assistance in the study

Applied nitrogen effects on yellow mustard (Sinapis alba L.) production in the Willamette Valley

Creator:: DuVal, Alyssa Susan
Abstract:: Nitrogen management recommendations for yellow mustard (Sinapis alba L.) production in the high rainfall environment of Oregon's Willamette Valley (WV) are not available. The objectives of this investigation were: (i) to determine the effect of applied nitrogen (N) on seed yield and yield components in yellow mustard, and (ii) to...
Resource Type:: Masters Thesis
Full Text:: Dr. Sabry Elias, Dr. Donald Wysocki, and Dr. Paul Doescher for serving on my graduate committee

Management effects on the nitrogen, phosphorus, and sulphur status of grass-legume pastures

Creator:: Impithuksa, Viroch
Abstract:: These studies were initiated to investigate the influence of previous superphosphate fertilizer practices and grazing stock history on nitrogen, phosphorus and sulphur status in soils from grass-legume pastures. Four Western Oregon soil series, Dixonville, Demint, Winema and Josephine, were included in the study. Laboratory experiments and greenhouse trials were conducted...
Resource Type:: Masters Thesis
Full Text:: different previous management. 15 Average dry matter yields (grams/pot) of ryegrass grown in the McKenzie

Some hormonal factors associated with the regulation of ewe reproductive patterns

Creator:: Reeves, Jerry John
Abstract:: Twenty-eight Columbia ewes were made available for study during their breeding and anestrous seasons. After the regularity of the estrous cycles had been established, eight of the ewes were sacrificed in pairs at four different stages of the estrous cycle. Eight additional ewes were sacrificed during anestrus. Pituitary glands, ovaries,...
Resource Type:: Masters Thesis
Full Text:: sexual season in sheep is in- versely related to the length of daylight (McKenzie and Terrill, 1937

Observations on the movements and reproduction of the Cascade form of cutthroat trout

Creator:: Wyatt, Bruce
Resource Type:: Masters Thesis
Full Text:: Center of the U.S. Fore3t Service. In 19g]. arid 19S2, Mr. Donald Wustenberg (11, p. 1 - s

Preserving open space and agricultural land through a program of transfer of development rights

Creator:: Carlson, John James
Abstract:: Existing land use controls have not effectively achieved the goals of resource protection and preservation. Prime agricultural and potential open space lands are rapidly being diminished by ever increasing pressures of development. The transfer of development rights presents an opportunity to safeguard these vital lands. The Boulder Valley would benefit...
Resource Type:: Capstone Project
Full Text:: PURCH.SES Name Location Date Acres Cost Reich NE1/4S.14T1S.R7(M. 1972 25 $32,500 McKenzie SEI/4S

The chromosomes of the two Oregon subspecies of Crotalus viridis (Rafinesque)

Creator:: Monroe, James E.
Resource Type:: Masters Thesis
Full Text:: . To Dr. Robert Storm, Donald McKenzie, Eric Skov, and Tom Bonn, i extend my special thanks for

An evaluation of temperature reduction on low flow augmentation requirements for dissolved oxygen control

Creator:: Feigner, Kenneth Darrel
Resource Type:: Masters Thesis
Full Text:: 23,370 14,430 12,840 Santiam Jefferson 161,000 7,383 McKenzie Coburg 88,200 6,081 Middle Fork

The urea denaturation of bovine serum albumin, polyglycyl bovine serum albumin and poly-L-phenylalanyl bovine serum albumin

Creator:: Chung, Po-luen
Abstract:: A comparative study was made on the effect of urea denaturation of bovine serum albumin (BSA), polyglycyl BSA and poly-L-phenylalanyl BSA. The denaturation process was followed by ultraviolet spectrophotometry and optical rotation. A blue shift in the absorption maximum at 278 mμ was observed in urea denatured proteins, In 7M...
Resource Type:: Masters Thesis
Full Text:: mµ with Alm = 6. 60 (Glazer, McKenzie and Wake, 1963). The stock 21 urea buffer (10 M

Estimates of genetic variability resulting from single, top, and double cross populations in durum wheat (Triticum turgidum L. var. durum)

Creator:: Abdennadher, Mourad
Abstract:: The success of a plant breeding program depends upon the availability of useable genetic diversity. Such diversity may be enhanced depending on the type of hybridization strategy employed. Segregating progenies resulting from F2 populations, a double cross, and a top cross were compared for the amount of useable genetic diversity...
Resource Type:: Masters Thesis
Full Text:: heterotic expression when the Fls come from genetically diverse parents (Walton, 1969; Grant and McKenzie

Multivariate thematic map visualization of the Oregon 2001 drought

Creator:: Theirl, David M.
Abstract:: The visualization of climate patterns is a major theme in cartography. Short-term dramatic weather events such as hurricanes and tornado outbreaks are mapped and displayed immediately in order to capitalize on the sensational nature of the events, and to quickly and accurately convey the information to emergency workers and the...
Resource Type:: Capstone Project
Full Text:: , Oregon, 8 February, 2002. Easterling, William E. and Wilhite, Donald A., 1987, "Planning for Drought

Use of Landscape Characteristics to Quantify Hybridization Risk Between Native and Introduced Salmonids

Creator:: Manning, Michael A.
Abstract:: The introduction of non-native species can negatively impact native species through reduced genetic fitness resulting from hybridization. The lack of spatiotemporal data of hybrids occurrences makes assessing hybridization risk difficult. Here, I developed a spatially-explicit GIS Hybridization Risk Model (HRM) between native ESA-listed Bull Trout and introduced Brook Trout by...
Resource Type:: Masters Thesis
Full Text:: Willamette HUC8: 17090003 112 27. McKenzie HUC8: 17090004 113 28. North Santiam HUC8: 17090005

A comparison of three systems of phenotypic selection for grain yield in three spring barley populations

Creator:: Hayes, Patrick M.
Abstract:: Concerns regarding the most effective means of evaluating segregating generations of spring barley prompted this investigation. Three methods of selection were considered: bulk, pedigree, and single seed descent. F₆ lines derived by each method were grown in a replicated yield trial. The effectiveness of each method was measured in terms...
Resource Type:: Masters Thesis
Full Text:: populations (Harlan and Martini, 1938; Bal et al., 1959; Hamblin and Donald, 1974). Under such conditions

A system analysis method for water quality management by flow augmentation

Creator:: Worley, John Larry
Abstract:: A rapid expansion of population and industrialization in recent years has created new and difficult problems in water resources management. Prudent management of water quality will require that more efficient methods be developed for evaluating large volumes of data on complex river systems, and tabulating the results in a form...
Resource Type:: Masters Thesis
Full Text:: Merryfield for inspiration and guidance; Mr. K. D. Feigner and Mr. Donald P. Dubois for their suggestions

Association of selected traits with visual selection for yield in wheat (Triticum aestivum, L. em Thell.)

Creator:: Marciniak, Michael E.
Abstract:: Visual selection for grain yield may be a limiting factor in identifying superior yielding genotypes in a breeding program. This investigation was conducted (1) to compare the effectiveness of visual selection for grain yield by three selector groups representing different levels of plant breeding experience, and (2) to examine the...
Resource Type:: Masters Thesis
Full Text:: ability to select high yielding lines supports the use of low selection pressure for yield. McKenzie

Demographic effects on school support in Oregon

Creator:: Kepler, Richard J.
Abstract:: The differences in the per student cost of education and the taxes to pay for that education can be attributed, in part, to the rate of population growth within a school district. The lowest coats and taxes are found in those school districts with the fastest growing populations. As the...
Resource Type:: Capstone Project
Full Text:: Population Change 1975-1978," Social Science Quarterly, December, 1980, pp. 581-594, Johnson, Donald N. , An

Biology and distribution of the Dicosmoecinae (Trichoptera: Limnephilidae) in western North America

Creator:: Wisseman, Robert William
Abstract:: Literature and museum records have been reviewed to provide a summary on the distribution, habitat associations and biology of six western North American Dicosmoecinae genera and the single eastern North American genus, Ironoquia. Results of this survey are presented and discussed for Allocosmoecus, Amphicosmoecus and Ecclisomvia. Field studies were conducted...
Resource Type:: Masters Thesis
Full Text:: Big Elk River in the Coast Range, tributaries of the McKenzie River in the western Cascades, and

The size of the Oregon coastal salmon runs in the mid-1800s

Creator:: Meengs, Chad C.
Abstract:: Increasing the abundance of salmon in coastal Oregon rivers and streams is a high priority public policy objective. Salmon runs have been reduced from pre-development conditions (typically defined as the 1 850s), but it is unclear by how much. Considerable resources have been allocated to restoring salmon runs, but it...
Resource Type:: Masters Thesis
Full Text:: aboriginal populations (Baunhoff 1963, Sneed 1972, Donald and Mitchell 1975, Huim 1982). Therefore, with an

Nature in chains : the effects of Thomas Jefferson’s rectangular survey on a Pacific Northwest landscape

Creator:: Schweickert, Tina K.
Abstract:: Understanding the impact of humans on the environment has long been a topic of scholarly interest and debate. As environmental problems mount, accounts of historic ecological conditions and the factors of change become increasingly useful. This study considers competing schools of interpretation about human impacts on ecological landscapes and develops...
Resource Type:: Masters Thesis
Full Text:: environmental historians should avoid this pitfall. Writing in 2001, environmental historian J. Donald Hughes

Spatio-Temporal Patterns of Tree Establishment in the M1 Meadow of the H.J. Andrews Experimental Forest

Creator:: Jones, Katherine E.
Abstract:: Montane meadows in the Cascade Range of Oregon have been declining due to tree establishment since records began. Montane meadow complexes in the H.J. Andrews Experimental Forest shrank by 60 to 75% from 1949 to 2005, but fine scale temporal and spatial processes of tree establishment in these meadows are...
Resource Type:: Masters Thesis
Full Text:: McKenzie Bridge station (elev. 450.5 meters, Lat. 44.1781, Long. -122.1156), (http://cdiac.ornl.gov

Minimalic construction in the Oregon schools

Creator:: Aubol, Quentin Seldon
Resource Type:: Masters Thesis
Full Text:: , Portland, and S. L. Godard, Instructor at McKenzie High School, Vida, Oregon, have contributed much to

The relationship of blood glucose levels to ovulation rate and early embryonic mortality in gilts

Creator:: Day, Paul E.
Abstract:: A study was made of blood glucose levels and their relationship to reproduction in gilts. Twelve blood samples, two in each of three successive weeks, before and after breeding were taken. Half of the samples were obtained from gilts in a fasting state and half after feeding. All samples were...
Resource Type:: Masters Thesis
Full Text:: was done by 11 McKenzie (1928) in a study of swine growth and reproduction. Based on litter size

Clay mineralogy in relation to landscape instability in the coast range of Oregon

Creator:: Istok, J. D.
Abstract:: The mineralogy of soils involved in mass movement in Oregon's coast range was examined to determine relationships between clay mineralogy and landscape instability. The objectives were: 1) to determine what kind of materials constitute the less than 2μ fraction of soils involved in different categories of mass movement, and 2)...
Resource Type:: Masters Thesis
Full Text:: chloritic intergrade (McKenzie, 1970). The presence of a broad endotherm at 140-150°C is attributed

A modified synoptic analysis of the status of Oregon's Willamette Valley wetlands

Creator:: Gabriel, John T.
Abstract:: Sound wetland management depends on an accurate comprehensive assessment of functional wetland values. This management should account for the cumulative impacts to regions and landscapes resulting from piecemeal destruction and degradation of wetland resources. A regional or watershed evaluation of wetland values can also make site-specific assessments more efficient. The...
Resource Type:: Capstone Project

The Effect of Zumbini® on Physical Activity of Young Children with and without Disabilities

Creator:: Chang, Chun-Wei
Abstract:: Physical activity is important for young children with and without disabilities. However, recent investigations have found that young children with and without disabilities spend less time in physical activity than is recommended. Family and music factors have been shown to positively affect physical activity of this population in previous studies....
Resource Type:: Masters Thesis

A case study in the evaluation of public domain in a Bureau of Land Management transfer area

Creator:: Barney, Robert Adling
Abstract:: The problem of this thesis is to evaluate small tracts of public domain land as to their best use in an area where the Bureau of Land Management desires to terminate managerial responsibilities. The area chosen is located in the Prineville District, Bureau of Land Management and is within the...
Resource Type:: Masters Thesis
Full Text:: assistance for this study. In particular, appreciation is extended to Donald Z' Robins, District Manager

An analysis of stated preferences for marginal water allocation in the western United States

Creator:: Unruh, Melissa N.
Resource Type:: Masters Thesis
Full Text:: ], Hotelling [1935], and McKenzie [1956-7]. After Hicks and Allen, Samuelson [1938] further developed the

Arthropod communities on understory plants in thinned and unthinned Douglas-fir forests in the Oregon Coast Range

Creator:: Doolittle, Alyssa M.
Abstract:: This study assessed the effects of thinning on arthropod communities on understory plants in the Central Oregon Coast Range. Arthropods were sampled from five understory plants in five pairs of thinned and unthinned, young (50-80 yrs), managed Douglas-fir stands, from late May to mid-July of 1998. Vine maple (Acer circinatum),...
Resource Type:: Masters Thesis

Hydrogeologic field investigation and groundwater flow model of the southern Willamette Valley, Oregon

Creator:: Craner, Jeremy D.
Abstract:: Elevated groundwater nitrate (NO3 -) concentrations in the Southern Willamette Valley (SWV) caused the Oregon Department of Environmental Quality (ODEQ) to declare a Groundwater Management Area (GWMA) in Spring, 2004. To better understand direction of groundwater flow, groundwater age, and nitrate transport pathways of the SWV we developed a steady-state...
Resource Type:: Masters Thesis
Full Text:: of the Coast Range), McKenzie River, Mohawk River, Muddy Creek, Calapooia River, and South

An industrial-arts program for a small high school

Creator:: Harter, Leland Ivor
Resource Type:: Masters Thesis

Music appreciation and theory courses in Class B high schools of Oregon

Creator:: Peterson, Wilbur John
Resource Type:: Masters Thesis

Building construction as a practical arts core for the sixth grade

Creator:: Roloff, Arthur Daniel
Resource Type:: Masters Thesis
Full Text:: . Godard, then an instructor at McKenzie High School, Vida, Oregon, and M. M. Romig, Industrial Arts

Isotopic exchange reactions in sulfur monochloride

Creator:: Wiggle, Ronald Rene
Resource Type:: Masters Thesis

Occurrence of the protozoan parasite Ceratomyxa shasta among salmonid fishes in Oregon waters

Creator:: Sanders, James Edward
Abstract:: This project was initiated to determine the incidence, distribution and species of fish affected by Ceratomyxa shasta in Oregon waters. Returning adult Pacific salmon and steelhead trout were chosen for the survey because they were known to be susceptible to infection. The parasite was also believed to be an important...
Resource Type:: Masters Thesis
Full Text:: - tion of samples made this survey possible. To John Conrad, Mark Decew, Daniel Romey and Donald

In the midst of a revolution : science, fish culture, and the Oregon Game Commission, 1935-1949

Creator:: Hahn, Linda
Abstract:: This thesis will address the transformation of biological sciences during the 1930s and 1940s and it effects on fisheries science. It will focus on Oregon State College and specifically the Department of Fish and Game Management and the interaction with the Oregon Game Commission. Support for mutation theory and neo-...
Resource Type:: Masters Thesis
Full Text:: histories. Rivers of Empire: Water, Aridity, and the Growth of the American West (1985)38 by Donald Worster

A survey of handicrafts in Oregon

Creator:: Moser, Ruth Annetta
Resource Type:: Masters Thesis

Influence of landscape-scale variables on the age and growth of coastal cutthroat trout Oncorhynchus clarkii clarkii in headwater streams

Creator:: Rehe, William G., Jr.
Abstract:: This thesis provides the first general description of the natural variation in age structure, growth rates, and survival in headwater populations of coastal cutthroat trout Oncorhynchus clarkii clarkii from western Oregon, and a subsequent synthesis of these life-history characteristics across the range of the subspecies. Age, growth, and survival were...
Resource Type:: Masters Thesis

King's Valley resources utlization, problems and development

Creator:: Danyluk, Apolinaryj Paul
Resource Type:: Masters Thesis
Full Text:: white men headed by Donald McKenzie came south along the Willamette River gathering furs from the

A study of automotive mechanics education with suggestions for improving industrial arts automotive programs in Oregon secondary schools

Creator:: Aldrich, Leslie LeRoy
Resource Type:: Masters Thesis
Full Text:: Voc.Agr. 527 Voc.Agr. 845 Voc. OBend. Bethel o o McKenzie 695 I.A. Voc.84 I.A.362 I.A.Eu3Ee + 2,1

The effect of broadcast burning on the quality of winter forage for elk, westen Oregon

Creator:: Friesen, Cheryl Ann
Abstract:: The Roosevelt elk (Cervus elephus roosevelti) is a National Forest management indicator species on the westside of the Cascade mountains, Western Oregon. A Habitat Effectiveness model is used by State and Federal agencies to evaluate elk habitat in the region. Concerns about the model's lack of differentiation between winter and...
Resource Type:: Masters Thesis
Full Text:: dedicated to the memory of my father, Donald William Friesen. He passed away before seeing his oldest

Clavaria, a taxonomic study of the genus in Oregon

Creator:: Doty, Maxwell Stanford
Resource Type:: Masters Thesis

Top-down Influences of bald eagles on common murre populations in Oregon

Creator:: Horton, Cheryl A.
Abstract:: Populations of organisms are influenced by both top-down (predator driven) and bottom-up (environment or resource driven) effects. Seabird research has largely focused on bottom-up factors influencing reproduction, with little emphasis on top-down. Our goal was to better understand top-down impacts on colonial nesting seabirds over a range of spatio-temporal scales....
Resource Type:: Masters Thesis
Full Text:: Donald Yeager, you both mean the world to me. To my cousin and surrogate big sister, Jessica Yeager

Fuel Treatment Longevity in the Blue Mountains of Oregon

Creator:: Morici, Kat
Abstract:: Wildland fires are an increasingly extensive, expensive, and frequent occurrence in dry forests of the western United States. Fuel reduction treatments are designed to reduce extreme fire behavior, promote resilient forest structure, and facilitate fire control efforts. Although there is widespread recognition that repeated treatments are needed to maintain desired...
Resource Type:: Masters Thesis
Full Text:: 12 (5): 597–604. doi:10.1191/0959683602hl570rp. Heyerdahl, Emily K., Donald McKenzie, Lori D

A branch and bound algorithm applied to field office location

Creator:: Lovro, Daryl Stanley
Abstract:: This thesis develops a model for locating field offices for the Motor Vehicles Division of Oregon. The locations are determined by minimizing the total cost to the Public. This is reasonable because the Public finances the operation and the opening of the offices through tax dollars, and it bears the...
Resource Type:: Masters Thesis

Influence of expansive soils on structures in the Eugene area

Creator:: Bonell, John Alexander
Abstract:: Expansive soils in Eugene, Oregon present a problem to residents, consultants, contractors, and the city government. During the years 1977 to 1979, the nature and extent of the problem was identified, including an outline of the local occurrence of expansive soils and possible engineering solutions to the most often encountered...
Resource Type:: Masters Thesis
Full Text:: .) (9) McLean Blvd. Eugene Care Center (10) 43rd and Donald Spencer ButteJunior High School (11) High

The effects of hormones on development of embryonic and post embryonic salmonids, and hormone metabolism during these stages

Creator:: Yeoh, Choo-Guan
Abstract:: The importance of hormone reservoirs in mature teleost eggs is unknown. To elucidate the effects of hormones on embryonic development, steelhead trout eggs, Oncorhynchus mykiss, were immersed in either cortisol, testosterone, or thyroxine at two different stages of development. Elevated concentrations of cortisol were detectable in the trout eggs or...
Resource Type:: Masters Thesis

Juvenile coho salmon movement and migration through tide gates

Creator:: Bass, Arthur
Abstract:: Tidal marshlands in the upper estuary ecotone provide essential habitat for juvenile salmonids. In this environment, salmonids grow rapidly and acclimate to saltwater. Worldwide, tidal marshes have been diked and drained to provide agricultural and residential land. Tide gates are one-way doors integrated into dike systems that prevent saltwater flooding...
Resource Type:: Masters Thesis
Full Text:: hardworking field technicians: Justin Arriola, Andrew McClary, John Winkowski, Dave Nelson, and Donald Danesi

Biotic alteration of oceanic basalt glass

Creator:: Drinnan, Megan R.
Abstract:: The subsurface microbial biosphere in the igneous oceanic crust has implications for global geochemical cycling, early life on Earth, and the search for life on Mars. Microscopic evidence of a subsurface microbial ecosystem includes biotic alteration textures associated with basaltic glass. The exact conditions in the basaltic layer that make...
Resource Type:: Masters Thesis
Full Text:: and isolate radioactive and other toxic waste (Donald, 2010). 4 1.2 Environmental

A sampling procedure to detect alternative actions in a decision model for choosing among apple harvesting systems

Creator:: Rudkin, Terry Harrold
Abstract:: Numerous analytical aids are available to apple producers to assist them in the decision problem of choosing among alternative apple harvesting systems. However, a majority of these techniques fail to recognize the effect of apple orchard yield variability on system performance and economic efficiency. Furthermore, many of the suggested procedures...
Resource Type:: Masters Thesis

The "tops" of porphyry copper deposits - mineralization and plutonism in the Western Cascades, Oregon

Creator:: Power, Sara Glen
Resource Type:: Masters Thesis
Full Text:: Creek Mining Company; Robert A. Metz of the Duval Corporation; Donald J. Decker and Michael B. Jones of

Spatiotemporal Associations of Abundance and Vital Rates of Co-occurring Small Mammals in a Late Successional Forest

Creator:: Weldy, Matthew J.
Abstract:: Informed conservation of small mammals, ecosystems, and predators requires a detailed understanding of how small mammals species and communities vary in both space and time, as well as the relative cyclicity and synchrony of this variation. This variation can be especially informative to land managers interested in manipulating the abundance...
Resource Type:: Masters Thesis

Patterns in understory vegetation communities across canopy gaps in young, Douglas-fir forests of western Oregon

Creator:: Fahey, Robert T.
Abstract:: Canopy gap formation is a major factor contributing to maintenance of overstory species diversity and stand structure in forests and may be integral to development of understory shrub and herb layers as well. Acknowledgement of gap formation as a fundamental feature of natural forests has led to consideration of gaps...
Resource Type:: Masters Thesis

Forest canopy effects on snow depth and density of seasonal and transient mountain snowpack in a maritime snow climate

Creator:: Whidden, Ian W.
Abstract:: Relatively little is known about how various factors influence snow water storage in forested mountain landscapes in maritime (warm winter) climates. This study took advantage of multiple snow data sources including long-term data, synoptic sampling, remote sensing, and modeling to examine factors influencing snow dynamics in the H.J. Andrews Experimental...
Resource Type:: Masters Thesis
Full Text:: , which drains to the McKenzie River, a tributary to the Willamette River. The Andrews Forest has been

An Analysis of Oregon’s Preferential Forest Property Tax Programs in Relation to Non-industrial Private Forest Landowners’ Tax Program Enrollment Decisions and Forest Management Behavior

Creator:: Rushakoff, Benjamin J.
Abstract:: Little is known about non-industrial private forestland (NIPF) owners in relation to Oregon’s two primary preferential forest property tax programs: Forestland Program – the default tax program for many forestland owners, and Small Tract Forestland Option (STF) – a voluntary program wherein landowners pay reduced annual property taxes and an...
Resource Type:: Masters Thesis

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