Index Catalog // ScholarsArchive@OSU

Influence of Soil Texture on Carbon Storage of PNW Coastal Blue Carbon Ecosystems

Creator:: Fox, Conner S.
Abstract:: Coastal blue carbon ecosystems offer a variety of important ecosystem services, including exceptional rates of carbon sequestration and long-term carbon storage. Because these ecosystems disproportionately influence global carbon cycling, understanding their soil characteristics may help guide long-term climate change mitigation and adaptation strategies. Recently, Kauffman et al. (2020) observed the...
Resource Type:: Honors College Thesis
Full Text:: _____________________________________________________________________ David Myrold, Committee Member, representing Department of Crop and Soil Sciences

Preliminary Evidence that the Microbial Community may Produce Aliphatic Constituents and Induce Soil Water Repellency as a Response to Desiccation

Creator:: Chilcote, Emma T.
Abstract:: Soil water repellency is one cause of rill soil erosion and overland flow that results in the loss of fertile topsoil. Previous research suggests that since microbial growth depends on temperature/moisture and follows diurnal and seasonal cycles, a biological mechanism would be able to explain the observed seasonality and climate...
Resource Type:: Honors College Thesis
Full Text:: , Mentor, representing Department of Crop and Soil Science David Myrold, Secondary Mentor

Studying the ancient parasitic cnidarian, Sphaerospora elegans, leads to better understanding of oligochaete diversity and myxozoan discovery

Creator:: Lehrburger, David J.
Abstract:: Myxozoans are microscopic parasites, related to corals and jellyfish. Most Myxozoa probably have two-host lifecycles that require a vertebrate (typically fish) and invertebrate (annelid or bryozoan). However no life cycle is known from the Sphaerospora lineage. I hypothesized that the life cycle of Sphaerospora elegans, a myxozoan parasite of three-spined...
Resource Type:: Honors College Thesis
Full Text:: David Lehrburger A THESIS submitted to Oregon State University Honors

Examination of Dielectric Properties of BaTiO3-SrTiO3 Based Systems

Creator:: Trobough, Nathaniel D.
Abstract:: This thesis examines the dielectric properties of two systems based on the perovskite materials barium titanate and strontium titanate. A solid solution was created starting with these base materials and then adding varying amounts of bismuth-zinc titanate and sodium niobate. These compositions were calcined and sintered at temperatures determined to...
Resource Type:: Honors College Thesis
Full Text:: :_____________________________________________________ David Cann This thesis examines the dielectric properties of two systems based on the

The Mathematics of Critical Shifts in Ecological Networks with Alternative Stable State Theory, A Potential Framework for Early Warning Indicators

Creator:: Kupperman, Michael D.
Abstract:: A long running problem in mathematical biology is the prediction of extinction events, a specialized case of the larger global stability problem found in differential equations and dynamical systems theory. A central technical question is how to introduce the randomness observed in real ecological systems not accounted for in deterministic...
Resource Type:: Honors College Thesis
Full Text:: : David Koslicki A long running problem in mathematical biology is the prediction of extinction events, a

Comparison of the Longevities of Roman and Modern Construction Projects

Creator:: Taylor, David D.
Abstract:: Throughout Europe, Northern Africa, and the Near East, hundreds of Roman ruins lie scattered about. Many Roman aqueducts, bridges, roads, and even buildings remain standing over two thousand years after their construction, as functional as the day they were built. In the modern United States, however, many public works projects...
Resource Type:: Honors College Thesis
Full Text:: David D. Taylor UHC Thesis Spring 2012 An Abstract

Plasma enhanced growth of carbon nanotubes

Creator:: Ford, Neil I.
Abstract:: Carbon nanotubes (CNTs) are grown using plasma enhanced chemical vapor deposition (PECVD). A modified radio frequency (RF) parallel-plate plasma etching system serves as the growth reactor. The effects of process parameters, including temperature, pressure, and C2H2:NH3 ratio, are studied. CNTs are grown on glass substrates with Al underlayers and Ni...
Resource Type:: Honors College Thesis
Full Text:: : Milo D. Koretsky Carbon nanotubes (CNTs) are grown using plasma enhanced chemical vapor

How Can We Help Individuals Experiencing Homelessness? Assessing Resource Strengths and Needs from First-Hand Accounts

Creator:: Pivec, Mikayla
Abstract:: The goal of my thesis is to (a) help reveal to the Corvallis community who comprises this local population and (b) to share with local resource agencies what potential gaps are present from the perspectives of the homeless individuals who call Corvallis home. We interviewed eight (8) individuals who have...
Resource Type:: Honors College Thesis
Full Text:: : _____________________________________________________ Kelly D. Chandler The goal of my thesis is to (a) help reveal to the Corvallis

Effects of Contemporary Forest Practices on Stream Nutrients, Temperature, and Periphyton in Small Headwater Streams

Creator:: Pimont, Cedric
Abstract:: Forest harvest practices can impact nutrient concentrations and stream temperatures, altering aquatic ecosystems. To better inform future sustainable forest resource management practices, quantifying the impact of current practices on water quality, particularly in headwater streams is important. In this study, I quantified monthly nitrate-nitrite (N) and orthophosphate (P) concentrations, 7-day...
Resource Type:: Honors College Thesis
Full Text:: Department _____________________________________________________________________ David Roon, Committee

TO PAY OR NOT TO PAY, THAT IS THE QUESTION

Creator:: Oster, Sidney C.
Abstract:: The “why” of any situation is one of the most important questions to ask. Inventors have ideas every day. Some ideas are the brilliant ideas that lead to a better tomorrow. To protect these ideas, inventors turn to patents, a governmental grant of the right to stop others, for a...
Resource Type:: Honors College Thesis
Full Text:: :_____________________________________________________ David Cann Abstract: The “why” of any situation is one of the most important questions

ScholarsArchive@OSU

Influence of Soil Texture on Carbon Storage of PNW Coastal Blue Carbon Ecosystems

Preliminary Evidence that the Microbial Community may Produce Aliphatic Constituents and Induce Soil Water Repellency as a Response to Desiccation

Studying the ancient parasitic cnidarian, Sphaerospora elegans, leads to better understanding of oligochaete diversity and myxozoan discovery

Examination of Dielectric Properties of BaTiO3-SrTiO3 Based Systems

The Mathematics of Critical Shifts in Ecological Networks with Alternative Stable State Theory, A Potential Framework for Early Warning Indicators

Comparison of the Longevities of Roman and Modern Construction Projects

Plasma enhanced growth of carbon nanotubes

How Can We Help Individuals Experiencing Homelessness? Assessing Resource Strengths and Needs from First-Hand Accounts

Effects of Contemporary Forest Practices on Stream Nutrients, Temperature, and Periphyton in Small Headwater Streams

TO PAY OR NOT TO PAY, THAT IS THE QUESTION

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