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Revegetation-microhabitat relations in the blast zone of Mount St. Helens

Creator:: Gallant, Alisa L.
Abstract:: The Mount St. Helens eruption of May 18, 1980, offered an excellent setting for evaluating early response of ecosystems to disturbance. Prior to the eruption, the area was densely forested with fir, hemlock, and Douglas-fir, and various understory species. During the course of the eruption, hillslopes within a 180 degree...
Resource Type:: Masters Thesis
Full Text:: Mount St. Helens AN ABSTRACT OF THE THESIS OF Alisa L. Gallant for the degree of Master of Science in

Cometabolism of 1,4-Dioxane and Chlorinated Aliphatic Hydrocarbons by Rhodococcus rhodochrous ATCC 21198 and Coencapsulated with a Slow-Release Substrate in Microcosm and Column Studies

Creator:: Bealessio, Alisa D.
Abstract:: Mixtures of 1,4-dioxane (1,4-D) and chlorinated aliphatic hydrocarbons (CAHs) are common and hazardous groundwater contaminants that can be challenging to address with traditional remediation strategies. Bioremediation through aerobic cometabolism has the potential to be an effective in-situ treatment strategy for these contaminants. Rhodococcus rhodochrous strain ATCC 21198 is capable of...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Alisa D. Bealessio

Assessing cumulative influences of watershed-scale landuses on reed canarygrass (Phalaris arundinacea L.) abundance

Creator:: Inahara, Satomi
Abstract:: The West Eugene Wetlands, Eugene, Oregon, which provide habitat for number of endemic and endangered plant species, are currently threatened by a Reed canarygrass (Phalaris arundinacea L.) invasion. This study addresses the hypothesis that Phalaris spread can be explained in part by using watershed-scale landuse patterns as surrogates of the...
Resource Type:: Masters Thesis
Full Text:: Landuses on Reed Canarygrass (Phalaris arundinacea L.) Abundance. Abstract approved: AN ABSTRACT OF THE

Characterization of Pacific whiting proteinase P-II and partial cloning of cathepsins L and K cDNA from rainbow trout liver

Creator:: Nickel, Xianbin F.
Abstract:: Proteinase P-II purified from parasitized Pacific whiting muscle was previously identified to be one form of cathepsin L. It appeared to be present in three isozymatic forms on non-denaturing PAGE gel stained for activity. Its autolytic degradation was observed on SDS-PAGE gel under its optimum condition, 55°C and pH 5.5,...
Resource Type:: Masters Thesis
Full Text:: of Pacific Whiting Proteinase P-II and Partial Cloning of Cathepsins L and K cDNA from Rainbow

Lotic macroinvertebrate distribution patterns in northeastern Oregon

Creator:: Gerth, William J.
Abstract:: This study was an investigation of lotic macroinvertebrate distribution in northeastern Oregon at two different spatial and biological scales. Examination of assemblages at a limited spatial scale revealed relationships with natural and disturbance gradients and led to questions about distribution of a population at broader spatial scales. In a 16...
Resource Type:: Masters Thesis
Full Text:: northeastern Oregon. L. pluviale was more common and/or abundant further downstream than would be expected for

The First Spatiotemporal Estimation of Future Vent Opening at Harrat Khaybar, Saudi Arabia

Creator:: Alohali, Abdullah W.
Abstract:: The 180,000 km² of Arabian lava fields (“harrats” in Arabic) form one of the largest distributed basaltic provinces in the world. Approximately 50% of these are located in Saudi Arabia. The most recent eruption in 1256 AD, as well as seismicity and ground deformation associated with shallow dike emplacement in...
Resource Type:: Masters Thesis

Physical and numerical approximations of reactive distillation dynamics

Creator:: Pavarajarn, Varong
Abstract:: Two approaches to reduce computational requirements for solving reactive distillation problems have been studied: simplification of the model using physical assumptions and numerical approximation using an orthogonal collocation technique. The results of a full-order model with time dependent stage molar holdups was compared to published steady-state experimental data and was...
Resource Type:: Masters Thesis
Full Text:: Reactive Distillation Dynamics. Abstract approved: Keith L. Levien Two approaches to reduce

Dynamic modeling of thermal treatment of timber poles

Creator:: Sahle-Demessie, Endalkachew
Abstract:: The temperature-time-location relationships during steam conditioning and pressure treatment of timber poles have been studied and mathematical models that take into account both the thermal properties of the poles and the parameters of the treatment process have been developed. Although much work has been previously done in this area, the...
Resource Type:: Masters Thesis

Characterization of the humoral immune response to Renibacterium salmonarium in Chinook salmon Oncorhynchus tshawytscha

Creator:: Wood, Patricia A. (Patricia Ann), 1969-
Resource Type:: Masters Thesis
Full Text:: antigens. It has been postulated by S. L. Kaattari (in Bartholomew et al. 1991) that this may be due to

Comparison of the Characteristics and Attitudes of Dog Adopters from Three Dog Rescue Groups

Creator:: Zimmerman, Zelda L.
Abstract:: A web-based survey was conducted to investigate the relationships between adopters and the dogs they adopted from three types of rescue groups/organizations: humane societies, greyhound rescues, and pit bull rescues. The dog selected to adopt can vary for many reasons, one of which is breed preference. This study found dog...
Resource Type:: Masters Thesis
Full Text:: ABSTRACT OF THE THESIS OF Zelda L. Zimmerman for the degree of Master of Arts in Interdisciplinary

ScholarsArchive@OSU

Revegetation-microhabitat relations in the blast zone of Mount St. Helens

Cometabolism of 1,4-Dioxane and Chlorinated Aliphatic Hydrocarbons by Rhodococcus rhodochrous ATCC 21198 and Coencapsulated with a Slow-Release Substrate in Microcosm and Column Studies

Assessing cumulative influences of watershed-scale landuses on reed canarygrass (Phalaris arundinacea L.) abundance

Characterization of Pacific whiting proteinase P-II and partial cloning of cathepsins L and K cDNA from rainbow trout liver

Lotic macroinvertebrate distribution patterns in northeastern Oregon

The First Spatiotemporal Estimation of Future Vent Opening at Harrat Khaybar, Saudi Arabia

Physical and numerical approximations of reactive distillation dynamics

Dynamic modeling of thermal treatment of timber poles

Characterization of the humoral immune response to Renibacterium salmonarium in Chinook salmon Oncorhynchus tshawytscha

Comparison of the Characteristics and Attitudes of Dog Adopters from Three Dog Rescue Groups

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