Index Catalog // ScholarsArchive@OSU

Estimating Lime Requirement for Oregon Soils with Non-Hazardous Soil Test Methods

Creator:: Makepeace, Carl A.
Abstract:: Various soil tests are routinely used in the United States to predict soil lime requirement. New non-hazardous methods have recently been proposed for adoption in Oregon, however the accuracy of these methods for Oregon soils has not been established. The objectives of this investigation were: (a) to document and describe...
Resource Type:: Masters Thesis
Full Text:: : _______________________________________ Amber D. Moore Various soil tests are routinely used in the United States to predict

Investigating Accelerated Carbonation Methods for Sequestering CO₂ into Lime Treated Soils

Creator:: Moore, Jaxom
Abstract:: Civil engineers frequently use lime to improve the mechanical properties of weak clayey soils. The production of lime is associated with significant CO₂ emissions. Sequestering carbon dioxide into the stabilized soil can effectively reduce the carbon footprint of the lime. In the presence of CO₂, unreacted lime in the stabilized...
Resource Type:: Masters Thesis
Full Text:: 2) AN ABSTRACT OF THE THESIS OF Jaxom Moore for the degree of Master of Science in Civil

Examining Wave Attenuation Rates and Subsurface Pore Pressures Across Three Marsh Restoration Sill Structures on a Sandy Bed

Creator:: Converse, Jordan D.
Abstract:: With rising sea levels and more frequent exposure to extreme storms, coastlines worldwide are vulnerable to increased erosion and loss of natural marsh lands. In an effort to lessen these impacts, there is a growing practice of adapting hard or “gray” coastline protection techniques to more nature-based features that promote...
Resource Type:: Masters Thesis
Full Text:: Three Marsh Restoration Sill Structures on a Sandy Bed Abstract approved

Dilute Permanganate Preferentially Oxidizes Polyphenols Rather than Microbial Food: A Reinterpretation of a Common “Active Carbon” Measurement

Creator:: Christy, Isabel
Abstract:: “Active carbon” is a rapidly cycling soil organic carbon (SOC) fraction that acts as an energy and nutrient source for the microbial community. Dilute permanganate oxidation has been used to measure an “active carbon” fraction with the assumption that permanganate oxidation mimics enzymatic decomposition. Permanganate oxidizable carbon (PoxC) has become...
Resource Type:: Masters Thesis

Impacts of Reduced Tillage and Disturbance on Soil Health and Microbial Community Dynamics in Grass Seed Cropping Systems

Creator:: Zamora, Cesar G.
Abstract:: In Oregon perennial and annual grass seed cropping systems conservation management practices and their impacts on soil health and soil microbial community is not well understood. There is strong motivation to employ conservation tillage and other conservation practices to curb atmospheric carbon levels and improve soil health. However, the few...
Resource Type:: Masters Thesis
Full Text:: also like to express my appreciation to Amber Moore for her encouragement and support as I completed

Impact of Dairy Manure Digestate on Microbial Activities in Soil

Creator:: Waggoner, Ashley L
Abstract:: Amendments and fertilizers applied to optimize crop production and improve soil health also supply inputs of soil organic matter (SOM) and nutrients that affect soil microorganisms. In the dairy-intensive Pacific Northwest, dairy manure is stored as slurry mixtures until conditions are appropriate for soil application. During storage, the manure begins...
Resource Type:: Dissertation

Integrating climate change resilience into the monitoring and management of eelgrass (Zostera marina) on Washington’s aquatic reserves

Creator:: Bleke, Erica
Abstract:: Eelgrass (Zostera marina) provides critical ecosystem functions and services and is a vital biogenic habitat on Washington’s marine aquatic reserves but its placement at the land-sea interface leaves it vulnerable to multiple environmental and anthropogenic stressors. In this study, published scientific literature is examined to identify thresholds of environmental stressors...
Resource Type:: Capstone Project
Full Text:: biological response. Birch Bay, Neill Point, and Sandy Bay sites are found to be experiencing conditions

The Environmental, Economic, and Social Factors that Contribute to the Importance of the Pacific Razor Clam (Siliqua patula) Fishery for Oregon Coastal Communities: A Northern Oregon Case Study

Creator:: Baker, Laura C.
Abstract:: Pacific razor clams (Siliqua patula) are narrow oblong bivalves that can be found in sandy habitats along the western coast of the United States, from Alaska (Aleutian Islands) to southern California (Pismo Beach). In Washington state, the razor clam fishery has been documented to be an important contributor to the...
Resource Type:: Masters Thesis
Full Text:: ) are narrow oblong bivalves that can be found in sandy habitats along the western coast of the United

The Range, Abundance, Spread, and Biophysical Effects of a Novel, Invasive Beachgrass Hybrid, Ammophila arenaria × A. breviligulata, on U.S. Pacific Northwest Coastal Dunes

Creator:: Askerooth, Risa
Abstract:: Non-native ecosystem engineers, which modify the structure and function of their ecosystems, are often a particularly concerning and costly group of invasive species. Such organisms may have substantial impacts on ecosystem services, or the benefits that humans derive from their ecosystems. Many factors play a role in the invasion success...
Resource Type:: Masters Thesis
Full Text:: functions and services. In the U.S. Pacific Northwest, sandy beach and dune habitat represents nearly

Hybridization of Non-Native Dune-Building Beachgrasses on the U.S. Pacific Northwest Coast: Characterization of Functional Morphology, Hybrid Swarm Composition, and Ecological Consequences of Ammophila arenaria × A. breviligulata

Creator:: Mostow, Rebecca S.
Abstract:: The rates of biological introductions and invasions are increasing, driving up the associated harms to ecosystems and economies. The spread and effects of invasive organisms depend on the specifics of the introduction, the character of the invaded ecosystem, and multiple traits of the invasive organism itself. One mechanism by which...
Resource Type:: Dissertation
Full Text:: introduced to the US Pacific Northwest in the early 1900s to stabilize what was a dynamic shifting sandy

ScholarsArchive@OSU

Estimating Lime Requirement for Oregon Soils with Non-Hazardous Soil Test Methods

Investigating Accelerated Carbonation Methods for Sequestering CO₂ into Lime Treated Soils

Examining Wave Attenuation Rates and Subsurface Pore Pressures Across Three Marsh Restoration Sill Structures on a Sandy Bed

Dilute Permanganate Preferentially Oxidizes Polyphenols Rather than Microbial Food: A Reinterpretation of a Common “Active Carbon” Measurement

Impacts of Reduced Tillage and Disturbance on Soil Health and Microbial Community Dynamics in Grass Seed Cropping Systems

Impact of Dairy Manure Digestate on Microbial Activities in Soil

Integrating climate change resilience into the monitoring and management of eelgrass (Zostera marina) on Washington’s aquatic reserves

The Environmental, Economic, and Social Factors that Contribute to the Importance of the Pacific Razor Clam (Siliqua patula) Fishery for Oregon Coastal Communities: A Northern Oregon Case Study

The Range, Abundance, Spread, and Biophysical Effects of a Novel, Invasive Beachgrass Hybrid, Ammophila arenaria × A. breviligulata, on U.S. Pacific Northwest Coastal Dunes

Hybridization of Non-Native Dune-Building Beachgrasses on the U.S. Pacific Northwest Coast: Characterization of Functional Morphology, Hybrid Swarm Composition, and Ecological Consequences of Ammophila arenaria × A. breviligulata

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