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ScholarsArchive at Oregon State University
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As more people become interested in rock climbing, the need to understand climbers and their preferences and how their activities impact the resource are more vital than ever. With increased use, and with little empirical data about the Yosemite...
2014-12-04 (iso8601)
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Wind and solar energy levels are expected to increase in the Pacific Northwest as a result of maturing renewable energy technologies, and state and federal policies. Because wind and solar energy is intermittent, only producing electricity when...
2014-11-06 (iso8601)
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As reverse transfer students become a larger part of community college enrollments, it is
important to better understand the underlying causes of this nontraditional population’s
emergence in the traditional community college system. This...
2014-12-02 (iso8601)
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The process of plant speciation often involves the evolution of divergent ecotypes in
response to differences in soil water availability between habitats. While the same set of traits
is frequently associated with xeric/mesic ecotype divergence,...
2015-01 (iso8601)
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Geologic CO₂ sequestration is a climate change mitigation strategy that prevents CO₂ emissions to the atmosphere by capturing CO₂ gasses from large point source emissions streams and then pressurizing and pumping the supercritical-state CO₂ into...
2014-12-11 (iso8601)
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Steel foundries are in great need of automation as current operations involve many hazardous manual tasks. Automating foundry operations is very challenging due to the variety of tasks that must be performed on physical objects that vary...
2014-12-05 (iso8601)
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To quantify the postpeak residual capacity and
to gain insights into the load transfer mechanism of a shear
wall, nail connection tests were performed on salvaged
connections after a monotonic shear wall test loaded up
to peak load. Experimental...
2014-12 (iso8601)
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Western juniper has increased in density and distribution in the interior Pacific Northwest since the late 1800s. Management
goals for many juniper woodlands are now focused on reducing tree densities and promoting biodiversity, prompting the use...
2014-11 (iso8601)
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Bipedal locomotion is a complex phenomenon to understand and control, making it difficult for legged robots to achieve the speed, agility, efficiency, and robustness of their animal counterparts. This thesis argues for the use of numerical...
2014-12-15 (iso8601)
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Northern rock sole (Lepidopsetta polyxystra) is a commercially
important fish in the North Pacific and a
focal species in understanding larval transport to nursery
grounds in the Bering Sea. However, the temperature-dependent vital rates and...
2014-11 (iso8601)
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We examined the effects of a second-thinning harvest with alternative riparian
buffer management approaches on headwater stream habitats and associated vertebrates
in western Oregon, USA. Our analyses showed that stream reaches were generally...
2014-11-17 (iso8601)
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The regulation of appetite and energy intake is influenced by numerous hormonal
and neural signals, including feedback from changes in diet and exercise. Exercise can
suppress subjective appetite ratings, subsequent energy intake, and alter...
2014-11-10 (iso8601)
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Fluid-structure interaction (FSI) is a very interesting and challenging multi-disciplinary field involving interaction of a movable or deformable structure with an internal or surrounding fluid flow. FSI has several practical engineering...
2014-12-05 (iso8601)
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It has recently been proposed that the cost of rehabilitating medusahead (Taeniatherum caput-medusae [L.] Nevski)-invaded
rangelands may be reduced by concurrently seeding desired vegetation and applying the preemergent herbicide imazapic....
2014-11 (iso8601)
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In this study an improved model of biomass and nutrient estimation of coastal Douglas-fir (Psuedotsuga menziesii) in the Pacific Northwest has been developed across a wide range of stand management regimes. This study quantifies and defines the...
2014-12-19 (iso8601)
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Automating pick-and-place operations for large steel castings in a foundry is challenging, particularly from a perception point of view. Accurately estimating the identity and orientation of a given part is an open and complex problem, especially...
2014-12-05 (iso8601)
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Since the early 1980s, several investigations have focused on developing a vaccine against
Mycobacterium avium subspecies paratuberculosis (MAP), the causative agent of Johne’s
disease in cattle and sheep. These studies used whole-cell inactivated...
2014-09-09 (iso8601)
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In 2012, the Oregon State University (OSU) Libraries Center for Digital Scholarship and Services utilized existing staff and librarian positions to energize OSU’s efforts at building a strong open access collection of scholarly articles by OSU...
2015-02-03 (iso8601)
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Despite apparently supportive national policies, including nation-wide legalization of home birth and coverage by the national health care system of the costs associated with that option, these births account for less than 1% of all births in the...
2014-12-11 (iso8601)
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Johne’s disease is caused by Mycobacterium avium subsp. paratuberculosis (MAP), which
results in serious economic losses worldwide in farmed livestock such as cattle, sheep,
and goats. To control this disease, an effective vaccine with minimal...
2014-07-01 (iso8601)
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Eliciting information from experts for use in constructing prior distributions for logistic regression coefficients can be challenging. The task is especially difficult when the model contains many predictor variables, because the expert is asked...
2014-09 (iso8601)
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Eukaryotic ribosome biogenesis involves ~200 assembly
factors, but how these contribute to ribosome
maturation is poorly understood. Here, we
identify a network of factors on the nascent 60S subunit
that actively remodels preribosome structure. At...
2014-11-17 (iso8601)
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Wild fish populations are typically infected with a variety of micro- and macroparasites that may affect fitness and survival, however, there is little published information on parasite distribution in wild juvenile salmonids in three upper...
2014-12-09 (iso8601)
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Several dolphin species have global distributions. The extent of their radiation and limits to gene flow are presumably a product of oceanographic features both recent and historical, behavioral specializations and social organization....
2014-12-08 (iso8601)
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Emerging infectious diseases impact both human and wildlife populations. Infectious agents, in particular the aquatic fungus Batrachochytrium dendrobatidis (chytrid), have an influential role in driving global amphibian population declines. The...
2014-12-05 (iso8601)
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