Index Catalog // ScholarsArchive@OSU

Chronobiology of garter snakes : environmental and hormonal mechanisms mediating hibernation and reproduction

Creator:: Lutterschmidt, Deborah I.
Abstract:: Most vertebrates exhibit seasonality in many life history traits. Such seasonal rhythms are temporally organized via the transduction of environmental cues (e.g., photoperiod, temperature) into appropriate endocrine signals. However, among ectothermic vertebrates that undergo continuous winter dormancy, temperature is the only environmental cue available for synchronizing seasonal rhythms. Most intriguing...
Resource Type:: Dissertation
Full Text:: , Carl B. Schreck, and Barbara A. Shields – for their academic support and contributions to my

Fish movement and assemblage dynamics in a Pacific Northwest riverscape

Creator:: Baxter, Colden V.
Abstract:: This study examined fish movements and assemblage dynamics in the Wenaha, Grande Ronde, Snake river system of northeast Oregon and southeast Washington. I investigated the role of fish movement in the dynamics of stream fish assemblages and evaluated relationships between species movement, assemblage structure, and the heterogeneity of habitat at...
Resource Type:: Dissertation

Sex determination in Nile tilapia, Oreochromis niloticus: gene expression, masculinization methods, and environmental effects

Creator:: Sánchez, Wilfrido M. Contreras
Abstract:: Sex differentiation in fish is a labile process that allows sex inversion in several species. The inherent capacity of fish germ cells to differentiate into oocytes or spermatocytes constitutes a key factor allowing for functional sex inversion. This thesis set out to determine the mechanism involved in steroid-induced sex differentiation...
Resource Type:: Dissertation
Full Text:: . Schreck ' Sex differentiation in fish is a labile process that allows sex inversion in several species

Seasonal floodplain wetlands as fish habitat in Oregon and Washington

Creator:: Baker, Cynthia F.
Abstract:: To begin to understand freshwater seasonal floodplain fish communities in the context of human alteration of the physical system, species introductions and wetland restoration efforts, I studied fish assemblages in fifteen seasonal floodplain wetlands within four geographic regions (coastal, upper Columbia River estuary, Puget Sound and eastern Oregon/Washington) in the...
Resource Type:: Dissertation
Full Text:: really appreciate your dedication and tremendous effort in helping me finish, Barbara. It was a lot to

Integrative risk analysis of vector-borne disease

Creator:: Orme Zavaleta, Jennifer
Abstract:: In this dissertation I explore the application of two novel modeling techniques for improving risk analysis of vector-borne disease and discuss their potential use in integrating environmental risk assessment that guides environmental and public health decisions. Techniques for analyzing risk have been considered inadequate due to a lack of understanding...
Resource Type:: Dissertation
Full Text:: health decisions. Techniques for analyzing risk have been considered inadequate due to a lack of

The Oregon Coastal Subprovince, a new biogeographic subprovince for primary freshwater fishes in Oregon

Creator:: Kettratad, Jes
Abstract:: The Pacific Northwest has a relatively low diversity of primary freshwater fishes with most of the endemism and diversity in the Columbia River and Klamath River. However, the Oregon Coastal Subprovince defined as the coastal rivers from Miami River in the north to Sixes River in the south, has a...
Resource Type:: Dissertation
Full Text:: Title: The Oregon Coastal Subprovince, a New Biogeographic Subprovince for Primary Freshwater Fishes in

Ecology and biological control of an apomictic invasive plant, Chondrilla juncea (Asteraceae)

Creator:: Campanella, Donald M.
Abstract:: A study consisting of three parts was undertaken to investigate how variation in species interactions, population genetic structure, epidemiological parameters, and plant breeding system may influence the ecology and biological control of an apomictic invasive plant, Chondrilla juncea (Asteraceae). Interactions between natural enemy species may modify their net effect on...
Resource Type:: Dissertation
Full Text:: : _______________________________ ______________________________ Peter B. McEvoy Christopher C. Mundt A study

Effect of Root and Shoot Manipulation on the Morphology and Physiology of Oregon White Oak (Quercus garryana) Seedlings in the Nursery and Following Outplanting

Creator:: Baumgart, Erin E.
Abstract:: Oregon white oak, or Garry oak (Quercus garryana), has been adversely affected by land-use conversion, landscape fragmentation, and anthropogenic fire suppression. Its historical range has contracted significantly to the point where an estimated 1-5% remains intact. Natural regeneration is difficult due to a lack of seed sources and the physiological...
Resource Type:: Masters Thesis
Full Text:: significantly to the point where an estimated 1-5% remains intact. Natural regeneration is difficult due to a

Three Sites are Better than One : Exploring Multivalency in LC8 Binding Partners

Creator:: Clark, Sarah A.
Abstract:: Hub proteins bind a large number of partners to facilitate structural changes and downstream protein interactions. LC8, a highly conserved protein homodimer, is a unique hub that regulates the activity of proteins in a wide range of cellular processes by binding to intrinsically disordered regions. With many of these systems,...
Resource Type:: Dissertation
Full Text:: ABSTRACT OF THE DISSERTATION OF Sarah A. Clark for the degree of Doctor of Philosophy in Molecular and

The accuracy of pedometers for adults with Down syndrome during controlled and free-walking conditions

Creator:: Pitchford, Edward Andrew
Abstract:: It has been demonstrated that walking is the most common form of physical activity for adults with intellectual disabilities, including Down syndrome (DS). The pedometer is common measurement tool to quantify steps walked, yet there is little evidence of the psychometric properties for individuals with intellectual disabilities, particularly DS. Thus,...
Resource Type:: Masters Thesis
Full Text:: Conditions by Edward Andrew Pitchford A THESIS submitted to Oregon State University

ScholarsArchive@OSU

Chronobiology of garter snakes : environmental and hormonal mechanisms mediating hibernation and reproduction

Fish movement and assemblage dynamics in a Pacific Northwest riverscape

Sex determination in Nile tilapia, Oreochromis niloticus: gene expression, masculinization methods, and environmental effects

Seasonal floodplain wetlands as fish habitat in Oregon and Washington

Integrative risk analysis of vector-borne disease

The Oregon Coastal Subprovince, a new biogeographic subprovince for primary freshwater fishes in Oregon

Ecology and biological control of an apomictic invasive plant, Chondrilla juncea (Asteraceae)

Effect of Root and Shoot Manipulation on the Morphology and Physiology of Oregon White Oak (Quercus garryana) Seedlings in the Nursery and Following Outplanting

Three Sites are Better than One : Exploring Multivalency in LC8 Binding Partners

The accuracy of pedometers for adults with Down syndrome during controlled and free-walking conditions

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