Index Catalog // ScholarsArchive@OSU

Fine scale foraging behavior of gray whales in relation to prey fields and vessel disturbance along the Oregon Coast

Creator:: Sullivan, Florence A.
Abstract:: The desire to understand the spatial and temporal drivers of animal behavior and distribution relative to scale is central to movement ecology. Optimal foraging theory states that a predator should continue exploiting a patch until it is no longer profitable to do so. As human developments increasingly encroach on the...
Resource Type:: Masters Thesis
Full Text:: students she mentors do not go unnoticed. Thank you to Jim Sumich and Bill Hanshumaker for serving as my

Body Condition and Hormone Assessment of Eastern North Pacific Gray Whales (Eschrichtius robustus) and Associations with Ambient Noise

Creator:: Lemos, Leila S.
Abstract:: Anthropogenic activities have posed many threats to the oceans and marine life. Understanding how individuals are affected and physiologically respond to these threats is crucial and allows for management and conservation applications. I evaluated the overall health condition of a subpopulation of gray whales (Eschrichtius robustus) along the Oregon coast,...
Resource Type:: Dissertation
Full Text:: . Thank you to my graduate committee members, Dr. Kathleen Hunt, Dr. Joe Haxel, Dr. James Sumich, Dr

Chemometrics-based Approach for Predicting Low Temperature Combustion Engine Fuel Performance

Creator:: Daly, Shane
Abstract:: Low temperature combustion (LTC) engines offer improved efficiency and reduced emissions over traditional gasoline spark-ignited and diesel compression-ignition engines. The ability to produce fuels optimized for LTC engines could help increase efficiency and therefore improve fuel economy, insomuch that Federal fuel economy standards could be met. Currently, a fuel performance...
Resource Type:: Masters Thesis
Full Text:: : ______________________________________________________ Christopher L. Hagen Kyle E

Influence of atmospheric humidity and free water on germination and germ tube growth of Botrytis cinerea Pers.

Creator:: Carre, Deborah Danielle
Abstract:: The influence of atmospheric humidity and free water on germination and germ tube growth of Botrytis cinerea Pers. ex Fr. was studied. Relative humidities (RH) were maintained inside insulated humidity chambers with sulfuric acid solutions of the appropriate concentrations. Insulation was necessary to reduce the incidence of condensation caused by...
Resource Type:: Masters Thesis
Full Text:: CINEREA PERS. Red acted for PrivacyAbstract approve : V L 'Ur. Dui-ne L. Coyifi The influence of

Investigation, analysis and design of the linear brushless doubly-fed machine

Creator:: Seifkhani, Farroh
Abstract:: This thesis covers the efforts of the design, analysis, characteristics, and construction of a Linear Brush less Doubly-Fed Machine (LBDFM), as well as the results of the investigations and comparison with its actual prototype. In recent years, attempts to develop new means of high-speed, efficient transportation have led to considerable...
Resource Type:: Masters Thesis
Full Text:: thank my other committee members, professor John L. Saugen and professor James Coakley for taking their

Monitoring sand dune processes at the Oregon Dunes National Recreation Area : can pre-vegetated conditions be restored?

Creator:: Mitteager, Wendy Ann
Abstract:: The Oregon Dunes National Recreation Area is managed by the Siuslaw Forest division of the United States Forest Service (USFS). This area has gradually been overcome by vegetation since the 1950's, originating with the exotic European Beach Grass (Ammophila arenaria). The invasion of this exotic vegetation has resulted in a...
Resource Type:: Capstone Project
Full Text:: MASTER OF SCIENCE GEOGRAPHY PROGRAM June 1999 Directed by Dr. Charles L. Rosenfeld Acknowledgments

A Review and Recommendations for Assessing Floodplain Vegetation Recovery Following Stage 0 and Beaver Dam Analog Restorations in the Pacific Northwest

Creator:: Colley, Lara K. M.
Abstract:: Floodplains are a significant and increasingly threatened ecosystem. As restoration projects are implemented more frequently in degraded floodplains, novel methods are emerging with a focus on restoring critical processes in which vegetation plays a key role. The purpose of this paper is two-fold: 1) to develop expectations for vegetation response,...
Resource Type:: Capstone Project

Investigation of Destratification in Warehouses

Creator:: Polander, Michael D.
Abstract:: A significant source of energy consumption comes from maintaining desired indoor environment conditions in warehouses and other industrial facilities. In efforts to combat the raising energy costs, studies into more efficient heating and cooling strategies has been a topic of consideration for a number of years. One of the areas...
Resource Type:: Masters Thesis

Chronological variation in soil density and vegetative cover of compacted skid trails in clearcuts of the western Oregon Cascades

Creator:: Vanderheyden, Jon
Abstract:: This study evaluated the recovery of compacted soils on logging skid trails in clearcuts of the western Cascade Mountains of Oregon. Soil types included clay, clay loam, silt loam, loam, sandy loam and loamy sands. Sites ranged in age from five to 38 years since harvest and 370 to llOOm...
Resource Type:: Masters Thesis

Biological control of insects using entomopathogenic nematodes

Creator:: Bezdek, Tanya M.
Abstract:: Biological control is the action of predators, parasitoids, or pathogens to maintain a pest organism's population at lower numbers than would occur in the absence of the agent. Entomopathogenic nematodes can be used as biological control agents for insect pests. These nematodes infect insects and release a toxic bacterium that...
Resource Type:: Undergraduate Thesis

ScholarsArchive@OSU

Fine scale foraging behavior of gray whales in relation to prey fields and vessel disturbance along the Oregon Coast

Body Condition and Hormone Assessment of Eastern North Pacific Gray Whales (Eschrichtius robustus) and Associations with Ambient Noise

Chemometrics-based Approach for Predicting Low Temperature Combustion Engine Fuel Performance

Influence of atmospheric humidity and free water on germination and germ tube growth of Botrytis cinerea Pers.

Investigation, analysis and design of the linear brushless doubly-fed machine

Monitoring sand dune processes at the Oregon Dunes National Recreation Area : can pre-vegetated conditions be restored?

A Review and Recommendations for Assessing Floodplain Vegetation Recovery Following Stage 0 and Beaver Dam Analog Restorations in the Pacific Northwest

Investigation of Destratification in Warehouses

Chronological variation in soil density and vegetative cover of compacted skid trails in clearcuts of the western Oregon Cascades

Biological control of insects using entomopathogenic nematodes

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