Index Catalog // ScholarsArchive@OSU

Organic pesticide modification of the species interactions in an annual plant community

Creator:: Pfleeger, Thomas G.
Resource Type:: Masters Thesis
Full Text:: interactions in an annual plant community AN ABSTRACT OF THE THESIS OF Thomas G. Pfleeger for the degree of

Performance of Willamette Valley native plants following herbicide exposure

Creator:: Blakeley-Smith, Matthew R.
Abstract:: Prairies were once the dominant vegetation type in Oregon's Willamette Valley. Land use conversion, fire suppression, succession, and invasive species have reduced Willamette Valley prairies to less than 1% of their historical area. The remnant prairies that persist today are small in size and are highly fragmented. Marginal strips of...
Resource Type:: Masters Thesis
Full Text:: discussion sections, while Thomas Pfleeger helped with the introduction. Milton Plocher and George King

Mercury bioaccumulation in remote subalpine lakes : assessing the influence of invasive trout on salamanders

Creator:: Pfleeger, Adam
Abstract:: Mercury (Hg) contamination is a global conservation threat to freshwater ecosystems, detected in even the protected lakes of Olympic National Park (Washington, USA). Although considered some of the most remote and pristine US ecosystems, these lakes are currently subject to multiple environmental stressors, including climate change and fish introductions; adding...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Adam Pfleeger for

Sources of influence on passive and active immunoglobulin G responses in swine

Creator:: Chitko, Carol G.
Abstract:: Thirty-seven Yorkshire sows were bred to one of six boars; 34 of the sows were verified pregnant at 42 d of gestation. These sows were innoculated with ovine serum albumin (OSA) in Freunds' complete adjuvant at 65 d and later given a second injection in Freunds.' incomplete adjuvant 93 d....
Resource Type:: Masters Thesis
Full Text:: in Swine AN ABSTRACT OF THE THESIS OF CAROL G. CHITKO for the degree of MASTER OF SCIENCE in

Differential transmission of strawberry mottle virus by Chaetosiphon thomas Hille Ris Lambers and Chaetosiphon fragaefolii (Cockerell)

Creator:: Eulensen, Gustav Egon
Abstract:: The transmission of strawberry mottle virus (SMV) to Fragaria vesca L. by Chaetosiphon thomasi and C. fragaefolii was studied to determine differences between the two species. Acquisition, inoculation, and retention phases of transmission were described. In all phases, C. fragaefolii was found to be the more efficient vector. Mean transmission...
Resource Type:: Masters Thesis
Full Text:: Chaetosiphon thomas Hille Ris Lambers and Chaetosiphon fragaefolii (Cockerell) AN ABSTRACT OF.THE THESIS OF

The Thomas Kay Woolen Mill, finishing departments 1890-1962

Creator:: Allen, Patricia Gehrman
Abstract:: The Thomas Kay Woolen Mill operated between 1890 and 1962. The mill produced predominately woolen blankets and woolen fabrics for outerwear garments. Mission Mill Museum Association purchased the woolen mill after its closure in order to develop the property as a museum. The purpose of this study was to provide...
Resource Type:: Masters Thesis
Full Text:: The Thomas Kay Woolen Mill: Finishing Departments 1890

Fish and invertebrate distribution at multiple scales in Thomas Creek, Oregon : a transition from conifer uplands to agricultural lowlands

Creator:: Langshaw, Russell B.
Abstract:: Longitudinal patterns of fish and benthic invertebrate distribution and habitat use were similar in Thomas Creek, Oregon but clarity of these patterns differed. I studied fish and aquatic invertebrates simultaneously, at multiple scales, and used multivariate statistical techniques to compare responses to the same environmental conditions. Both types of organisms...
Resource Type:: Masters Thesis
Full Text:: Distribution At Multiple Scales In Thomas Creek, Oregon; A Transition From Conifer Uplands To Agricultural

The Thomas Kay Woolen Mill in Salem, Oregon, 1900-1959

Creator:: Gertenrich, Caryl
Abstract:: The Thomas Kay Woolen Mill once manufactured cloth with a reputation renowned throughout the United States. This study is an attempt to report the history of the mill. Data are categorized by: the Kay family; production including plant, machinery, raw materials used, goods manufactured; management including the effects of national...
Resource Type:: Masters Thesis
Full Text:: THOMAS KAY WOOLEN MILL IN SALEM, OREGON, 1900-1959 Abstract approved: Redacted for Privacy Ruth E

Nature in chains : the effects of Thomas Jefferson’s rectangular survey on a Pacific Northwest landscape

Creator:: Schweickert, Tina K.
Abstract:: Understanding the impact of humans on the environment has long been a topic of scholarly interest and debate. As environmental problems mount, accounts of historic ecological conditions and the factors of change become increasingly useful. This study considers competing schools of interpretation about human impacts on ecological landscapes and develops...
Resource Type:: Masters Thesis
Full Text:: , 2009. Title: Nature in Chains: The Effects of Thomas Jefferson’s Rectangular Survey on a Pacific

Plant Growth Regulator Combination Effects on Turf-Type and Forage-Type Tall Fescue [Schedonorus arundinaceus (Schreb.) Dumort.] Seed Crops

Creator:: Hudgins, Tara M.
Abstract:: Tall fescue [Schedonorus arundinaceus (Schreb.) Dumort.] is an important forage and turf grass seed crop in Oregon. Use of the stem-shortening plant growth regulator (PGR) trinexapac-ethyl (TE) has gained broad acceptance by tall fescue seed producers in Oregon and elsewhere world-wide as an economical agent of seed yield enhancement through...
Resource Type:: Masters Thesis
Full Text:: approved: ______________________________________________________ Thomas G. Chastain Tall

ScholarsArchive@OSU

Organic pesticide modification of the species interactions in an annual plant community

Performance of Willamette Valley native plants following herbicide exposure

Mercury bioaccumulation in remote subalpine lakes : assessing the influence of invasive trout on salamanders

Sources of influence on passive and active immunoglobulin G responses in swine

Differential transmission of strawberry mottle virus by Chaetosiphon thomas Hille Ris Lambers and Chaetosiphon fragaefolii (Cockerell)

The Thomas Kay Woolen Mill, finishing departments 1890-1962

Fish and invertebrate distribution at multiple scales in Thomas Creek, Oregon : a transition from conifer uplands to agricultural lowlands

The Thomas Kay Woolen Mill in Salem, Oregon, 1900-1959

Nature in chains : the effects of Thomas Jefferson’s rectangular survey on a Pacific Northwest landscape

Plant Growth Regulator Combination Effects on Turf-Type and Forage-Type Tall Fescue [Schedonorus arundinaceus (Schreb.) Dumort.] Seed Crops

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