Index Catalog // ScholarsArchive@OSU

Development of an in vitro and modification of an in vivo bioassay to screen cherry genotypes for response to inoculation with Pseudomonas syringae pv. syringae

Creator:: Roche, M. Margaret
Abstract:: The bacterium Pseudomonas syringae affects different crops worldwide. In the Willamette Valley of Oregon, P. syringae causes bacterial canker in sweet cherry, severely limiting its production. High grafting of susceptible sweet cherry cultivars to resistant rootstocks is practiced in the Willamette Valley to reduce incidence of this disease. The research...
Resource Type:: Masters Thesis
Full Text:: An Abstract of the Thesis of M. Margaret Roche for the degree

Forest macro-arthropods as potential indicators of ecosystem conditions in Western Idaho : an analysis of community composition, biological diversity, and community structure

Creator:: Ruby, Margaret E.
Abstract:: Adaptive ecosystem management is a new paradigm for managing federal forests which requires regular monitoring of ecosystem function and diversity to measure the effects of management. Managers need new strategies and tools to help them assess their progress in maintaining healthy, productive and biologically diverse forests. Biomonitoring of select forest...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Margaret E. Ruby for the

Susceptibility of coast redwood seedlings to Phytophthora ramorum

Creator:: Lucas, Sunny L.
Abstract:: Coast redwood (Sequoia sempervirens) (D. Don) Endl. is a host for Phytophthora ramorum but it was unclear if the pathogen represents a significant disease risk to this tree species. In this study the susceptibility of coast redwood seedlings and the likelihood of sporulation on redwood were examined. Two methods were...
Resource Type:: Masters Thesis
Full Text:: members, Everett Hansen and Ken Johnson. I have learned a considerable amount from each of them. I would

An evaluation of understory vegetation dynamics, ecosystem resilience and state and transition ecological theory in an eastern Oregon ponderosa pine forest

Creator:: Carr, Craig A.
Abstract:: Relatively recent increases in ponderosa pine abundance have effected unprecedented changes to ecosystem structure and function. Efforts to restore ponderosa pine systems are often focused on the manipulation of tree structure and the re-introduction of a more natural fire regime. Successful restoration should also incorporate understory components but information addressing...
Resource Type:: Dissertation
Full Text:: Jackson and Michael Hansen assisted in field data collection. Jamie Kienzle and CiCi Brooks from the

Comparative study of the population dynamics, secondary productivity, and reproductive ecology of the euphausiids Euphausia pacifica and Thysanoessa spinifera in the Oregon upwelling region

Creator:: Gutierrez, Jaime Gomez
Abstract:: I compare the seasonal abundance variation, population dynamics, fecundity, egg hatching mechanism and success, and apostome ciliate parasites of the euphausiids Euphausia pac?fica and Thysanoessa spinfera from the Oregon coast, USA. Community structure and nearshore distributions were examined from bi-weekly oceanographic surveys (1970-1972). This region has a strong cross-shelf change...
Resource Type:: Dissertation
Full Text:: Charles B. Miller (COAS), William T. Peterson (NOAA), Margaret Knight (Sb), Edward Brinton (Sb), Annie

Reproductive decision-making in young women breast cancer survivors

Creator:: Everson, Courtney Louise
Abstract:: The purpose of this study is to use an integrated biocultural perspective to examine the decision-making processes of young survivors as they navigate breast cancer treatment and reproductive health care options. This retrospective study utilizes a mixed-methods approach that integrates quantitative survey data (Phase I) with interview (Phase II) and...
Resource Type:: Masters Thesis
Full Text:: that a woman wait two to five years post-treatment before attempting conception (Calhoun and Hansen

Assessing mechanisms of immunotoxicity for polycyclic aromatic hydrocarbons in rainbow trout (Oncorhynchus mykiss)

Creator:: Bravo, Claudia F.
Abstract:: During the past 30 years, numerous studies have focused on the toxicities of polycyclic aromatic hydrocarbons (PAH). Laboratory and field studies have helped elucidate the detrimental effects of these chemicals on growth, reproduction and immune response. Polycyclic aromatic hydrocarbons are in the priority list of chemicals to be studied by...
Resource Type:: Dissertation
Full Text:: Ylitalo, Jon Buzitis, Dr. Don Brown, Dr. Margaret Krahn, Cathy Laetz, William Reichert, Bernadita

Dixy Lee Ray, marine biology, and the public understanding of science in the United States (1930-1970)

Creator:: Ellis, Erik
Abstract:: This dissertation focuses on the life of Dixy Lee Ray as it examines important developments in marine biology and biological oceanography during the mid twentieth century. In addition, Ray's key involvement in the public understanding of science movement of the 1950s and 1960s provides a larger social and cultural context...
Resource Type:: Dissertation
Full Text:: -Century England (Chicago, IL: University of Chicago Press, 1994); Margaret C. Jacob, ScientUIc Culture and

Geographic variation in genetic and meristic characters of coastal cutthroat trout (Oncorhynchus clarki clarki)

Creator:: Williams, Thomas Herbert
Abstract:: Understanding how populations within a species interact across various geographic and temporal scales is fundamental to developing appropriate conservation strategies. I examined the geographic variation in genetic and meristic characters of coastal cutthroat trout (Oncorhynchus clarki clarki) based on approximately 1,400 fish sampled from 54 populations spanning their distributional range...
Resource Type:: Dissertation
Full Text:: . Gerstung, K. Griswold, J. Grunbaum, J. Hannon, B. Hansen, P. Harris, B. Hooten, S. Johnson, T. Johnson, E

Ecology of Columbian black-tailed deer fawns in western Oregon

Creator:: Pamplin, Nathan P.
Abstract:: Little is known about Columbian black-tailed deer (Odocoileus hemionus columbianus) because of their elusive nature and the logistical difficulty of studying them in densely forested and mountainous terrain. The Oregon Department of Fish and Wildlife has identified fawn survival as an important gap in the current knowledge of demography and...
Resource Type:: Masters Thesis
Full Text:: friendship in the field. I would also like to thank Darin Busby, Margaret Harper, Aaron Sahnow, Elizabeth U

ScholarsArchive@OSU

Development of an in vitro and modification of an in vivo bioassay to screen cherry genotypes for response to inoculation with Pseudomonas syringae pv. syringae

Forest macro-arthropods as potential indicators of ecosystem conditions in Western Idaho : an analysis of community composition, biological diversity, and community structure

Susceptibility of coast redwood seedlings to Phytophthora ramorum

An evaluation of understory vegetation dynamics, ecosystem resilience and state and transition ecological theory in an eastern Oregon ponderosa pine forest

Comparative study of the population dynamics, secondary productivity, and reproductive ecology of the euphausiids Euphausia pacifica and Thysanoessa spinifera in the Oregon upwelling region

Reproductive decision-making in young women breast cancer survivors

Assessing mechanisms of immunotoxicity for polycyclic aromatic hydrocarbons in rainbow trout (Oncorhynchus mykiss)

Dixy Lee Ray, marine biology, and the public understanding of science in the United States (1930-1970)

Geographic variation in genetic and meristic characters of coastal cutthroat trout (Oncorhynchus clarki clarki)

Ecology of Columbian black-tailed deer fawns in western Oregon

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