Index Catalog // ScholarsArchive@OSU

Interspecific carbon transfer in ectomycorrhizal tree species mixtures

Creator:: Simard, S. (Suzanne)
Abstract:: The overall goal of this study was to investigate influences of ectomycorrhizae (EM) and interspecific carbon transfer on seedling performance in species mixtures. The objectives were to: (I) determine the potential for EM to link paper birch and Douglas-fir, (ii) quantify gross and net interspecific carbon transfer, and (iii) evaluate...
Resource Type:: Dissertation

Environmental Stressors Influence Fabaceae Seedling Development

Creator:: Gerber, Kaitlin A.
Abstract:: Sites in need of restoration typically have one or more environmental factors that limit seedling establishment; identifying ecophysiological responses to environmental stressors can be advantageous in growing seedlings able to overcome such constraints on survival. To maximize survival after outplanting, seedlings should be grown in a manner that considers both...
Resource Type:: Masters Thesis
Full Text:: approved: ______________________________________________________ Anthony S. Davis Sites in need of

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

Mineral Surfaces as Agents of Environmental Proteolysis: Mechanisms and Controls

Creator:: Chacon, Stephany S.
Abstract:: The bottleneck in the turnover of soil organic matter (SOM) is the conversion of large molecular compounds into smaller compounds that can be transported through a cell membrane of a microbe for processing. Once inside the cell, organic compounds can be converted into biomass or be respired. The microbial depolymerization...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Stephany S. Chacon for

Evaluation of bioluminescence as a measure of bacterial cell density in porous media

Creator:: Uesugi, Sandra L.
Abstract:: Salicylate-induced, lux gene dependent bioluminescence was measured using a cooled charge-coupled device (CCD) camera to evaluate its potential as a quantitative measurement of cell density of Pseudomonas fluorescens HK44 in porous media. The CCD camera was able to detect bioluminescence from cell densities between 1x10⁶ and 1x10⁸ cells/ml in both...
Resource Type:: Masters Thesis
Full Text:: . Maria Dragila, Dr. David Myrold, and Dr. Tamzen Stringham. Team Glowbug: Rockie Yarwood, for your

Top-Down Effects of Wildlife and Bottom-Up Drivers of Soils and Productivity in Intensively Managed Forest Plantations in the Northern Oregon Coast Range

Creator:: Frey, David W.
Abstract:: In intensively managed forest plantations in the northern Oregon Coast Range, herbicides are often applied during site preparation and early stand regeneration to reduce competition for resources for planted conifer seedlings. In addition to reducing competition for crop trees, herbicide applications may affect soil processes including decomposition and nutrient cycling,...
Resource Type:: Masters Thesis
Full Text:: THESIS OF David Frey for the degree of Master of Science in Sustainable Forest Management

High Strength Reinforcing Bars : Concrete Shear Friction Interface Behavior

Creator:: Nielson, Drew R.
Abstract:: Use of high-strength steel (HSS) reinforcing bars could provide constructability and economic benefits for the construction of structures, reducing the initial and ultimately the life-cycle cost of bridge and building structural elements. This thesis summarizes work performed in a research project on the use of HSS reinforcing bars for concrete...
Resource Type:: Masters Thesis
Full Text:: : High Strength Reinforcing Bars: Concrete Shear Friction Interface Behavior Abstract approved: David

Land surface energy balance and surface soil moisture variation in HAPEX-MOBILHY

Creator:: Nichols, William E.
Abstract:: The HAPEX-MOBILHY regional experiment provided an significant opportunity to analyze the partition of energy and distribution of water over land surfaces. The combination of remotely sensed data and ground instrument networks over the large-scale in situ experiment allowed investigation of spatial and temporal variation of such hydrologic parameters as the...
Resource Type:: Masters Thesis
Full Text:: . David Myrold, and Dr. David Thomas, all merit appreciation for their time and suggestions. Thanks are

Data assessment in Oregon for SafetyAnalyst based on Highway Safety Manual Part B

Creator:: Li, Meng
Abstract:: The author of the Highway Safety Manual (HSM) Part B developed a predictive method for safety management. A software tool for highway safety system analysis called the SafetyAnalyst is developed basing on HSM Part B. The author describes an effort to evaluate the feasibility of SafetyAnalyst in Oregon. Seven sample...
Resource Type:: Masters Thesis

Homogenization of Detrital Leachate in an Old-Growth Coniferous Forest, OR : DOC Fluorescence Signatures in Soils Undergoing Long-Term Litter Manipulations

Creator:: Strid, April R.
Abstract:: Soil dissolved organic carbon (DOC) is a small but crucial part of the forest carbon cycle. Characterizing the relationship between detrital inputs and soil DOC chemistry is crucial to understanding the ultimate fate of root carbon, fallen wood and needles. Chemical differences in the DOC pool may help to explain...
Resource Type:: Masters Thesis
Full Text:: , Markus Kleber and David Myrold, have been patient and instructive throughout my time at OSU. Thanks to

ScholarsArchive@OSU

Interspecific carbon transfer in ectomycorrhizal tree species mixtures

Environmental Stressors Influence Fabaceae Seedling Development

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

Mineral Surfaces as Agents of Environmental Proteolysis: Mechanisms and Controls

Evaluation of bioluminescence as a measure of bacterial cell density in porous media

Top-Down Effects of Wildlife and Bottom-Up Drivers of Soils and Productivity in Intensively Managed Forest Plantations in the Northern Oregon Coast Range

High Strength Reinforcing Bars : Concrete Shear Friction Interface Behavior

Land surface energy balance and surface soil moisture variation in HAPEX-MOBILHY

Data assessment in Oregon for SafetyAnalyst based on Highway Safety Manual Part B

Homogenization of Detrital Leachate in an Old-Growth Coniferous Forest, OR : DOC Fluorescence Signatures in Soils Undergoing Long-Term Litter Manipulations

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