Index Catalog // ScholarsArchive@OSU

Investigation of Glacier Dynamics During the Last Glacial Maximum at Tioga Pass, Yosemite National Park

Creator:: Laub, Alexander G.
Abstract:: Previous investigations of glacier dynamics at Tioga Pass during the Last Glacial Maximum (LGM) have produced different conclusions. A map of the LGM ice extent and flow direction (Alpha et al., 1987) illustrates a south-to-north direction of ice flow across the pass with little evidence to support this inference. Since...
Resource Type:: Honors College Thesis
Full Text:: . Abstract approved:_____________________________________________________ Peter Clark Previous

Hi-C genome assembly of the ectomycorrhizal fungus Rhizopogon salebrosus

Creator:: Har, Skyler
Abstract:: Rhizopogon salebrosus is an abundant ectomycorrhizal fungus common throughout Western North America that forms mutualistic partnerships with Pinus species. Studied for its systematics, use in sapling nurseries, post-fire seedling establishment, and unique evolutionary history, R. salebrosus holds many secrets within its genome. This thesis aims to characterize the mating system,...
Resource Type:: Honors College Thesis
Full Text:: Hi-C Genome Assembly of the Ectomycorrhizal Fungus

The geometry of the octonionic multiplication table

Creator:: Killgore, Peter Lloyd
Abstract:: We analyze some symmetries of the octonionic multiplication table, expressed in terms of the Fano plane. In particular, we count how many ways the Fano plane can be labeled as the octonionic multiplication table, all corresponding to a specified octonion algebra. We show that only 28 of these labelings of...
Resource Type:: Honors College Thesis
Full Text:: The Geometry of the Octonionic Multiplication Table by Peter

Exploring Chromodomain Genes in the Fungus Fusarium graminearum Through Targeted Genetic Manipulation

Creator:: Peters, Alec
Abstract:: DNA segments in the fungus Fusarium graminearum were identified as possible genes encoding for chromodomain proteins (CDPs), and targeted for genetic manipulation. Targeted single-gene deletion strains, as wells as GFP-S tag fusion strains, were generated from wildtype F. graminearum protoplasts, and verified strains were screened for phenotypic differences, such as...
Resource Type:: Honors College Thesis
Full Text:: 26° C) for four days. Conidia were harvested by filtration through cheesecloth, and quantified

Computer Vision Model Selection For Real-Time Tracking of Apples

Creator:: Bloch, Peter J.
Abstract:: This paper presents a method of implementing real-time apple detection for closed-loop control to approach apples for grabbing. The approach is to train two known real-time object detection networks–the Faster R-CNN and YOLOv5–on a novel dataset to verify that it is possible to achieve maximum average precision (mAP) above 50\%...
Resource Type:: Honors College Thesis
Full Text:: Tracking of Apples By Peter Bloch A THESIS submitted to Oregon State University Honors College in

Data driven study of neutron response in Minerva using quasielastic neutrino scattering

Creator:: Peters, Evan
Abstract:: Understanding how particles behave in detectors is a critical part of analyzing data from neutrino experiments. There are methods in place to track charged particles in scintillator material, but neutral particles such as neutrons are more difficult to characterize. The purpose of this project was to assess and calibrate methods...
Resource Type:: Honors College Thesis
Full Text:: C: Source code 42 Peters 2 List of Figures List of Figures 1 Minerva Detector Schematic

Cyclic electron flow : Powering unique motility and alternative nitrogen uptake in Synechococcus WH8102 during nitrogen limited growth

Creator:: Dittrich, Jake E.
Abstract:: Global atmospheric carbon levels are continuing to rise from pre-industrial revolution levels. One of the main regulators of global atmospheric carbon levels, and thus climate, is the world's oceans. Unicellular marine cyanobacteria account for a large percent of total marine carbon fixation. We measured chlorophyll-specific ¹⁴C uptake rates (P[superscript b])...
Resource Type:: Honors College Thesis and Presentation

Changes in Microbial Extracellular Enzyme Activity in Pacific Northwest Old-Growth Forest Soils After Wildfire

Creator:: Hughes, Abby
Abstract:: The soil microbiome drives nutrient transformation in forest soils and plays a critical role in the carbon (C) cycle of these ecosystems. Wildfires cause significant disturbance to ecosystems and are known to alter C sources available to microbes in forest soils. Summer wildfires in the Pacific Northwest are of growing...
Resource Type:: Honors College Thesis
Full Text:: critical role in the carbon (C) cycle of these ecosystems. Wildfires cause significant disturbance to

Metabolomic Analysis of Oregon Coast Sediment Pore Waters using Ultrahigh Resolution Mass Spectrometry

Creator:: Merlo, James B.
Abstract:: One of the principal drivers of climate change is the concentration of greenhouse gases such as CO2 in the atmosphere. A large portion of this CO2 ends up in the waters off the continental coasts where it transforms into biomass. The major sink for this matter is the ocean sediments...
Resource Type:: Honors College Thesis
Full Text:: _____________________________________________________________________ Peter Chace, Committee Member, representing CEOAS

The Climate Change - Homelessness Nexus : how disaster response institutions reinforce structural vulnerability in wildfire-impacted communities in Oregon

Creator:: Werdel, Carly Inez
Abstract:: In communities impacted by climate disasters, institutions largely determine the distribution of outcomes within a population. This research aims to examine the role of institutions in differential outcomes for displaced communities impacted by the 2020 Labor Day Wildfires in the Santiam Canyon and the Rogue Valley. Using semi-structured interviews of...
Resource Type:: Honors College Thesis

ScholarsArchive@OSU

Investigation of Glacier Dynamics During the Last Glacial Maximum at Tioga Pass, Yosemite National Park

Hi-C genome assembly of the ectomycorrhizal fungus Rhizopogon salebrosus

The geometry of the octonionic multiplication table

Exploring Chromodomain Genes in the Fungus Fusarium graminearum Through Targeted Genetic Manipulation

Computer Vision Model Selection For Real-Time Tracking of Apples

Data driven study of neutron response in Minerva using quasielastic neutrino scattering

Cyclic electron flow : Powering unique motility and alternative nitrogen uptake in Synechococcus WH8102 during nitrogen limited growth

Changes in Microbial Extracellular Enzyme Activity in Pacific Northwest Old-Growth Forest Soils After Wildfire

Metabolomic Analysis of Oregon Coast Sediment Pore Waters using Ultrahigh Resolution Mass Spectrometry

The Climate Change - Homelessness Nexus : how disaster response institutions reinforce structural vulnerability in wildfire-impacted communities in Oregon

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