Index Catalog // ScholarsArchive@OSU

Reduction of Salmonella spp. on In-shell Hazelnuts Using Continuous Steam Blanching and Prevalence of Salmonella spp. on In-shell Oregon Hazelnuts

Creator:: Letchworth, Christopher A.
Abstract:: Tree nuts have been implicated in a number of foodborne outbreaks and recalls in recent years linked to enteric pathogens, particularly Salmonella. Therefore, prior to distribution and marketing, it is necessary to understand the biological risks associated with the consumption of tree nuts and to find effective methods to inactivate...
Resource Type:: Masters Thesis
Full Text:: . Abstract approved: Robert J. McGorrin Tree nuts have been implicated in a number of

Conservation of Rorippa columbiae : an evaluation of reintroduction potential through the study of germination ecology, propagation methods, and habitat requirements

Creator:: Kentnesse, Laura E.
Abstract:: Rare plant reintroductions are a critical conservation tool for the augmentation of diminishing populations, or re-establishment of extirpated populations. Analysis of reintroduction failures suggests that a sophisticated understanding of species biology, ecology, and habitat is essential for producing self-sustaining rare plant populations. This study sought to generate that background knowledge...
Resource Type:: Masters Thesis
Full Text:: Abstract approved: ____________________________________________ Robert J. Meinke Rare plant

The development of the chlorinity-salinity concept in oceanography

Creator:: Wallace, William J.
Abstract:: This study traces the historical foundations of the concept of constant ionic proportionality and the equation (Salinity [S%₀] = 1.805 Chlorinity [Cl%₀] + 0.030) which has been in general use in oceanography since 1902 until 1969 and which is based upon this constancy, The notion that the constituents present in...
Resource Type:: Dissertation
Full Text:: like to thank the members of my committee and especially my major professor, Dr, Robert J. Morris, who

An experimental reintroduction of Pleuropogon oregonus, a rare wetland grass native to Oregon

Creator:: Groberg, Matthew G.
Abstract:: Pleuropogon oregonus Chase is a rare wetland grass endemic to eastern Oregon. The species is composed of two widely separated populations, one in Lake County and one in Union County. In order to reduce the risk of extinction, the Oregon Department of Agriculture Native Plant Conservation Program initiated several reintroduction...
Resource Type:: Masters Thesis
Full Text:: Pleuropogon oregonus, a Rare Wetland Grass Native to Oregon. Abstract approved: Robert J

The Development of Astronomy in the United States Prior to 1900

Creator:: Harburg, William A.
Abstract:: From the earliest English colonization to the present day, there has been interest in astronomy in this country. The purpose of this thesis is to show how the science of astronomy developed in America from the earliest observations by educated colonists using imported instruments and publishing in European journals, to...
Resource Type:: Masters Thesis
Full Text:: : Redacted for Privacy Robert J. Morris () From the earliest English colonization to the present day, there

Experimental reintroduction of northern wormwood (Artemisia campestris var. wormskioldii), a rare species of dynamic cobble bar environments on the Columbia River

Creator:: Brickner, Alexis H.
Abstract:: Rare plant reintroductions that result in additional or more viable wild populations are important conservation tools for maintaining biodiverse ecosystems. Ideally, such projects are best designed as experiments, to improve biological and ecological knowledge of the selected species and monitoring long-term results. Northern wormwood (Artemisia campestris var. wormskioldii: Asteraceae), a...
Resource Type:: Masters Thesis
Full Text:: Dynamic Cobble Bar Environments on the Columbia River Abstract approved: Robert J. Meinke

Cycles of life and landscape : interpreting the geological foundation of Shenandoah National Park

Creator:: Kelly, Wendy Sonya
Abstract:: The significance of geology is commonly overlooked by the general public and underrepresented in free-choice learning environments including national parks that exhibit spectacular examples of geological features and processes. Parks are a major contributor to public learning, and a key way to teach how geology influences many aspects of our...
Resource Type:: Masters Thesis
Full Text:: : ______________________________________________________________________________ Robert J. Lillie The significance of geology is commonly overlooked by the general

Conservation biology of Plagiobothrys hirtus (Boraginaceae) : evaluation of life history and population enhancement

Creator:: Amsberry, Kelly
Abstract:: Plagiobothrys hirtus (Boraginaceae) is a state and federally listed endangered plant found only in Douglas County, Oregon. This vernal pool endemic has historically been threatened by agricultural conversion of seasonal wetlands in the Sutherlin area, and is currently being eradicated as habitat is lost due to the rapid urban development...
Resource Type:: Masters Thesis

The influence of prescribed fire on the rare endemic plant Delphinium pavonaceum (Peacock larkspur)

Creator:: McKernan, Brie-Anne
Abstract:: In the wetland prairie of William L. Finley National Wildlife Refuge (FNWR) in western Oregon, we investigated the response of Delphinium pavonaceum Ewan (peacock larkspur, Ranunculaceae), an endangered perennial forb, to four unreplicated dormant season fire regimes of 0, 2, 4, or 10 fires that were applied over a 12-year...
Resource Type:: Masters Thesis

The effects of nail bending-yield stress and biological deterioration on the cyclic performance of shearwalls

Creator:: Anderson, Erin N.
Abstract:: Key parts of the lateral force resisting system in wood-frame buildings are the shearwafls and the connections. The connections in wooden buildings are the primary source of ductility and energy dissipation; these are essential properties when buildings are exposed to lateral forces, such as wind and earthquakes. Shearwall design is...
Resource Type:: Masters Thesis
Full Text:: Abstract approved: Robert J. Leichti Key parts of the lateral force resisting system in wood-frame

ScholarsArchive@OSU

Reduction of Salmonella spp. on In-shell Hazelnuts Using Continuous Steam Blanching and Prevalence of Salmonella spp. on In-shell Oregon Hazelnuts

Conservation of Rorippa columbiae : an evaluation of reintroduction potential through the study of germination ecology, propagation methods, and habitat requirements

The development of the chlorinity-salinity concept in oceanography

An experimental reintroduction of Pleuropogon oregonus, a rare wetland grass native to Oregon

The Development of Astronomy in the United States Prior to 1900

Experimental reintroduction of northern wormwood (Artemisia campestris var. wormskioldii), a rare species of dynamic cobble bar environments on the Columbia River

Cycles of life and landscape : interpreting the geological foundation of Shenandoah National Park

Conservation biology of Plagiobothrys hirtus (Boraginaceae) : evaluation of life history and population enhancement

The influence of prescribed fire on the rare endemic plant Delphinium pavonaceum (Peacock larkspur)

The effects of nail bending-yield stress and biological deterioration on the cyclic performance of shearwalls

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