Index Catalog // ScholarsArchive@OSU

Quantities of prostaglandins in whole and extended bovine semen and their potential effect on fertility following insemination

Creator:: Jaeger, John Ralph
Abstract:: Our objectives were to determine 1) the concentration of prostaglandin F2α (PGF2α) in whole and extended bovine semen, 2) if concentrations of prostaglandins in extended bovine semen are correlated to fertility, and 3) if PGF2α administered at the time of artificial insemination would improve conception rate. Concentration of PGF2α tended...
Resource Type:: Dissertation
Full Text:: THE DISSERTATION OF John R. Jaeger for the degree of Doctor of Philosophy in Animal Science

A Climate of Risk: Modeled Vegetation, Carbon, Fire, and Biomass Loss Risk in Western Oregon and Washington under Climate Change

Creator:: Sheehan, Timothy J.
Abstract:: Managing wildlands to protect species and ecosystem services in response to climate change is challenging. To develop effective long-term strategies, natural resource managers need to account for the projected effects of climate change as well as the uncertainty inherent in those projections. Vegetation models are one important source of projected...
Resource Type:: Dissertation
Full Text:: ABSTRACT OF THE DISSERTATION OF Timothy J. Sheehan for the degree of Doctor of Philosophy in

John Archibald Wheeler : a study of mentoring in modern physics

Creator:: Christensen, Terry M.
Abstract:: This dissertation has two objectives. The first objective is to determine where best to situate the study of mentoring (i.e. the 'making of scientists') on the landscape of the history of science and science studies. This task is accomplished by establishing mentoring studies as a link between the robust body...
Resource Type:: Dissertation
Full Text:: of Science on April 3, 2009. Title: John Archibald Wheeler: A Study of Mentoring in Modern Physics

Watershed response to western juniper control

Creator:: Deboodt, Timothy L.
Abstract:: Western juniper (Juniperus occidentalis) encroachment has been associated with increased soil loss and reduced infiltration resulting in the loss of native herbaceous plant communities and the bird and animal species that rely on them. Hydrologically, however, change in water yield has been linked with the amount of annual precipitation a...
Resource Type:: Dissertation
Full Text:: OF THE DISSERTATION OF Timothy L. Deboodt for the degree Doctor of Philosophy in Rangeland

The effects of timber harvest and herbivory on understory vegetation and composition of beef cattle diets on forested rangelands

Creator:: Walburger, Kenric J.
Abstract:: The objectives of the experiment were to: 1) determine the relationship between overstory canopy cover and ungulate herbivory on understory production composition and diversity and 2) determine the effects of timber harvest, ungulate herbivory and season of use on botanical composition and nutritional quality of beef cattle diets. Three randomly...
Resource Type:: Dissertation
Full Text:: tenure as superintendent and also for Dr. Timothy DelCurto for helping maintain this project. Dr

Processes that influence the downstream propagation of heat in streams below clearcut harvest units : Hinkle Creek paired watershed study

Creator:: Otis, Timothy Leonard
Abstract:: This research investigates the direct and downstream impacts of clearcut harvest units on stream temperature as a part of the Hinkle Creek Paired Watershed Study. The Hinkle Creek watershed is located in the foothills of the Cascade Mountains about 30 kilometers northeast of Roseburg, Oregon, is privately owned, and supports...
Resource Type:: Masters Thesis
Full Text:: : Hinkle Creek Paired Watershed Study AN ABSTRACT OF THE THESIS OF Timothy Otis for

Sustainable energy for Galena, Alaska: Timber Harvest Management Plan

Creator:: Kalke, Timothy R.
Abstract:: Increased energy costs have prompted the rural village of Galena, Alaska to explore viable alternatives for heat and power generation. Continued dependency on petroleum products will cause the community’s economic driving force, the Galena Interior Learning Academy (GILA), to face uncertain operability. A wood-fired boiler is scheduled to be installed,...
Resource Type:: Capstone Project
Full Text:: in the writing of this report. I would like to thank the rest of my graduate committee; Dr. John

Oregon's Implementation of Coordinated Care Organizations: An Examination of the Changing Healthcare Structure

Creator:: Diestelkamp, Timothy Ross
Abstract:: Due to inefficiencies and unsustainable growth in health expenditures, a new approach needed to be taken in the realm of healthcare. There was a need to increase efficiency and value in order to achieve health outcomes. Hence, arose the concept of the Coordinated Care Organization (CCO). CCOs are seen as...
Resource Type:: Honors College Thesis

Giving credit where credit is due : the relationship between partner acknowledgement of the division of labor and couple intimacy

Creator:: Ottusch, Timothy M.
Abstract:: Using data from the National Institute of Child Health and Human Development’s Study of Early Child Care and Youth Development (SECCYD), this study assessed the implications of the division of labor on relationship intimacy for married and cohabitating dual-earner couples (N= 392 couples). The study focused on what mothers and...
Resource Type:: Masters Thesis

Direct coupling of imaging to morphology-based numerical modeling as a tool for mechanics analysis of wood plastic composites

Creator:: Lin, Xiang
Abstract:: Polymeric composites reinforced with bio-materials have advantages over composites with synthetic reinforcements. Bio-based composites use low-cost and renewable reinforcements, have nonabrasive properties for machining, have improved damping characteristics, and have potential for energy recycling. However, the limited use of bio-based composites is because their mechanical properties are typically much lower...
Resource Type:: Masters Thesis
Full Text:: Abstract approved: John A. Nairn Polymeric composites reinforced with bio-materials have

ScholarsArchive@OSU

Quantities of prostaglandins in whole and extended bovine semen and their potential effect on fertility following insemination

A Climate of Risk: Modeled Vegetation, Carbon, Fire, and Biomass Loss Risk in Western Oregon and Washington under Climate Change

John Archibald Wheeler : a study of mentoring in modern physics

Watershed response to western juniper control

The effects of timber harvest and herbivory on understory vegetation and composition of beef cattle diets on forested rangelands

Processes that influence the downstream propagation of heat in streams below clearcut harvest units : Hinkle Creek paired watershed study

Sustainable energy for Galena, Alaska: Timber Harvest Management Plan

Oregon's Implementation of Coordinated Care Organizations: An Examination of the Changing Healthcare Structure

Giving credit where credit is due : the relationship between partner acknowledgement of the division of labor and couple intimacy

Direct coupling of imaging to morphology-based numerical modeling as a tool for mechanics analysis of wood plastic composites

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