Index Catalog // ScholarsArchive@OSU

Factors influencing population density of stream-living Redband Trout in southeast Oregon, USA

Creator:: Thorson, Justin M.
Abstract:: Fisheries managers often use models of population density to evaluate the status of stream-living fishes, but many of these models have low predictive performance for abundance and density. These models could incorporate several factors that can limit population density, particularly the effect of body size, envisioned by the theory of...
Resource Type:: Masters Thesis
Full Text:: . Nature Climate Change, 11(4):354-361. Benjamin, J. R., J. M. Heltzel, J. B. Dunham, M. Heck, & N

An Ecoregion-Based Reference Condition and Classification Scheme for Determining Nutrient Criteria in Oregon Lakes

Creator:: Brenner, Jacqueline M.
Abstract:: The anthropogenic introduction of nutrients to water bodies has been shown to alter the structure and function of natural aquatic ecosystems, yet national EPA lake and reservoir nutrient criteria remain too broad for effective regional water quality management. This study uses a reference site approach to propose numeric nutrient criteria...
Resource Type:: Masters Thesis
Full Text:: ABSTRACT OF THE THESIS OF Jacqueline M. Brenner for the degree of Master of Science in Environmental

The effects of burning in mountain big sagebrush on key sage grouse habitat characteristics in southeastern Oregon

Creator:: McDowell, Michelle K. D.
Abstract:: Sage grouse are a species of concern because their abundance, distribution, and productivity have declined during the past century. Sage grouse productivity has been linked to specific habitat components including particular forbs and native bunchgrasses. Studies on the effects of fire were conducted in Southeastern Oregon in mountain big sagebrush...
Resource Type:: Masters Thesis
Full Text:: year a joy. I send an extra special thanks to Jeannie Heltzel for excellent field assistance, and

Evaluating balance and strength of older women in exercise programs

Creator:: Dinger, Melanie
Abstract:: Falls are a common problem among older adults, including those who are relatively healthy and living independently. Exercise has been recommended as an intervention to reduce falls by slowing and/or reversing age-related declines in balance, strength, and mobility. However, it remains unclear which types or combinations of programs are most...
Resource Type:: Masters Thesis
Full Text:: . Graduate students Jeannie Heltzel and Lin Qin in the Statistics Department are also appreciated for

An evaluation of species-area curves created from a systematically sampled date set using an automated accumulation technique

Creator:: Dale, Becci
Abstract:: This paper examines the influence of species, method, and area on automated species-area curve created from a systematically sampled data set. Because this is a new approach to species-area curves, three tests were run to evaluate the performance of the data sets and accumulation technique. The tests involved 1) range...
Resource Type:: Capstone Project
Full Text:: imagined and Dr. Matzke for persistently convincing me to complete this paper. Jeannie Sifneos gets many

Inducing and Evaluating Phenotypic and Cytometric Variation in Landscape Plants : Observations from Acer, Ornithogalum, and Penstemon

Creator:: Lattier, Kim Shearer
Abstract:: Hereditary variation is a vital component in the development of new and improved cultivars of landscape plants. Sources of hereditary variation include naturally occurring variation, recombination due to controlled crosses, artificial mutagenesis, and genetic modification via biotechnology. Here I explore all methods with the exception of genetic modification via biotechnology....
Resource Type:: Masters Thesis
Full Text:: for Agriculture and Agri- Food Canada. Guelph, Ontario. Cook, J., D. Nuccitelli, S.A. Green, M

Artificial Swarm Control Through Learning Based Leadership

Creator:: Tuzel, Ovunc
Abstract:: Collective migration in animal groups is often guided by distributed leader agents that influence their peers by modulating their motion behaviors. Distributed leadership is a promising navigation strategy for artificial swarms, but designing the leaders’ controllers is difficult due to the swarm’s collective emergent behaviors. The presented research formulates a...
Resource Type:: Masters Thesis
Full Text:: m two-layer neural networks A = {a1, a2, · · · , am} was initialized with random weights. The random

Removal of E. coli with alternative media Biosand filters

Creator:: Fulton, Nathan J.
Abstract:: When Biosand filters cannot be constructed with crushed quarry rock due to resource limitations, a suitable alternative filter media is needed. In this research, two crushed quarry rock alternatives were examined. Three bench-scale Biosand filters with crushed rock, beach sand, and heat-treated beach sand media were simultaneously dosed with Willamette...
Resource Type:: Masters Thesis
Full Text:: , ranging from 0.8 m to 2 m in total height, where TSSFs are 3.5 m to 4 m. Another important difference

Middle Eastern student perceptions of mattering and marginality at a large American university

Creator:: Norris, Kent
Abstract:: This study aimed to explore the relatively undocumented experiences and perceptions of mattering and marginality among Middle Eastern students attending a large American university, it also sought to inform higher education administration about the unique characteristics of this rapidly noticeable student population and it attempted to narrow the knowledge gap...
Resource Type:: Masters Thesis
Full Text:: laughs with Jeannie and other family and friends. Your refuge gave me peace when I needed it the most

Geology of the Cretaceous Lascano-East intrusive complex : magmatic evolution and mineralization potential of the Merin Basin, Uruguay

Creator:: Cernuschi Rodilosso, Federico
Abstract:: The Cretaceous Merín aborted-rift basin of eastern Uruguay is composed of sub-alkaline Paraná-Etendeka province basaltic flows and shallow intrusives (~133 to 131 Ma), rhyolitic ignimbrites (~130 to 128 Ma) and associated mildly alkaline to alkaline intrusions and volcanic rocks (~128 to 127 Ma). Four intrusive complexes from 20 to >30...
Resource Type:: Masters Thesis
Full Text:: , Jeannie, Shane, Julia, Ashley and a long list of incredible friends, some have gone and some remain, for

ScholarsArchive@OSU

Factors influencing population density of stream-living Redband Trout in southeast Oregon, USA

An Ecoregion-Based Reference Condition and Classification Scheme for Determining Nutrient Criteria in Oregon Lakes

The effects of burning in mountain big sagebrush on key sage grouse habitat characteristics in southeastern Oregon

Evaluating balance and strength of older women in exercise programs

An evaluation of species-area curves created from a systematically sampled date set using an automated accumulation technique

Inducing and Evaluating Phenotypic and Cytometric Variation in Landscape Plants : Observations from Acer, Ornithogalum, and Penstemon

Artificial Swarm Control Through Learning Based Leadership

Removal of E. coli with alternative media Biosand filters

Middle Eastern student perceptions of mattering and marginality at a large American university

Geology of the Cretaceous Lascano-East intrusive complex : magmatic evolution and mineralization potential of the Merin Basin, Uruguay

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