Index Catalog // ScholarsArchive@OSU

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:: at 4°C. In total, 87 soil samples from 17 field sites were collected and analyzed. At the time of

Reef Microbiomes of Mo'orea, French Polynesia, a Socio-Ecological Island System

Creator:: McConnell, Kaitlin M.
Abstract:: At a time of rapid global change, a socio-ecological system (SES) approach can provide a framework through which to quantify and communicate the risks and uncertainties of coupled human-natural systems. Islands, and tropical coral reef islands in particular, can be excellent models for SES research since they may be considered...
Resource Type:: Masters Thesis
Full Text:: . Sam Bowser and Steve Clabuesch for bringing me to Antarctica with them and the B-043 team to collect

The effects of land use change, climate change, and conservation on waterbird habitat in the Upper Klamath Basin

Creator:: Dennis, Jami R.
Abstract:: The Upper Klamath Basin is an ecologically significant watershed that supports millions of migratory waterbirds along the Pacific Flyway in addition to an agricultural economy and a tribal fishery. This literature review and annotated bibliography is the basis for a capstone project to address the history, evolution, impacts, and responses...
Resource Type:: Capstone Project
Full Text:: . Bateman, B. L., Wilsey, C., Taylor, L., Wu, J., LeBaron, G. S., & Langham, G. (2020). North American

Factors Affecting Black-footed Ferret Populations within the Great Plains Region of North America: A Case Study

Creator:: Hodges, Rodney J.
Abstract:: The black-footed ferret is a meso-predator within the Great Plains region of North America. Before the 1900s, black-footed ferret populations were self-sustaining in large ecological patches throughout the geographical range of the Great Plains. During the 1900s, various factors such as the systematic extermination of prairie dogs (the primary food...
Resource Type:: Capstone Project
Full Text:: abdominal rashes, (B) highlights hyperkeratosis of the footpads, (C) crusting of the mouth, (D) eyes, and

Toward a flexible and accurate approach to null network sampling

Creator:: Bright, Zachary A.
Abstract:: Null networks are a type of random graph that is favored for the analysis of a wide variety of real-world networks, including gene-regulatory networks, food webs, and species co-occurrence matrices. As a hypothesis-generating tool, null networks are invaluable because they can reveal network motifs and unusual large-scale properties of networks...
Resource Type:: Masters Thesis
Full Text:: labels of nodes 0 and 1 in graph B are exchanged, then graph B will become identical to graph A. Graph C

Grassland Restoration and Climate Change: Altar Valley, Arizona Case Study

Creator:: Gondor, Anne
Abstract:: The Altar Valley is an important working landscape that supports biodiversity and vulnerable species in Pima County, Arizona (Huckelberry 2000). This semi-desert grassland, alluvial valley and 713,807-acre watershed composed of 39 subbasins serves as an aquifer to a portion of southwestern Tucson. This region of Southern Arizona has been identified...
Resource Type:: Capstone Project
Full Text:: , insect species richness and abundance, change in soil C since 1994, and plant aboveground biomass N

Validity and Value of Wave Energy Generation as Blackout Risk Mitigation for the Central Oregon Coast

Creator:: Burright, Jeffrey, Clark, Caitlyn E., Johnson, Brandon, and Sharp, Christopher
Abstract:: Energy security is a vital but often unmet requirement for community resiliency. Electricity availability is essential to the functioning of the economy, individual households, and the collective essential services that provide health, safety, and the basic human needs to sustain life. Coastal communities in Oregon face special vulnerability because they...
Resource Type:: Capstone Project

Exceeding the standards: The benefits of place-based environmental education in schools

Creator:: Miller, Rebecca W.
Abstract:: There is a growing body of research that describes the benefits of place-based environmental education (EE) within the schools, including improved competencies, better interpersonal skills, decreased gaps in social divides, increased pupil engagement in learning, increased community awareness, and increased environmental stewardship. Though the benefits are many, few schools utilize...
Resource Type:: Capstone Project
Full Text:: ....................................................................................58 Appendix B Matter and Energy in an Ecosystem Augmented Curriculum..................77 1. Lesson

Reforming the Land of Opportunity: Reframing Citizenship for the Deserving Poor in 1996 U.S. Welfare Policy Reform

Creator:: Montgomery, Ian M.
Abstract:: In his July 31, 1996 remarks on welfare reform, President Clinton signaled his intent to sign into law the Personal Responsibility and Work Opportunity Reconciliation Act (PRWORA), bipartisan legislation aimed at reforming federal welfare policy. During the press conference, Clinton framed welfare as necessary but ultimately temporary relief, stating its...
Resource Type:: Masters Thesis

Central Park's Woodlands: Forest Community Changes After a Decade of Management

Creator:: Hodges, Alexander R.
Abstract:: The woodlands of New York City's Central Park have seen varying levels of management and neglect since the creation of the park over 150 years ago. The Central Park Conservancy has aimed to restore, enhance, and elevate the stewardship of the park, including its woodlands and other Natural Areas, since...
Resource Type:: Capstone Project
Full Text:: . Historic Maps of the Great Hill site …………………………………………………………………………………………………………………….111 Appendix B

ScholarsArchive@OSU

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

Reef Microbiomes of Mo'orea, French Polynesia, a Socio-Ecological Island System

The effects of land use change, climate change, and conservation on waterbird habitat in the Upper Klamath Basin

Factors Affecting Black-footed Ferret Populations within the Great Plains Region of North America: A Case Study

Toward a flexible and accurate approach to null network sampling

Grassland Restoration and Climate Change: Altar Valley, Arizona Case Study

Validity and Value of Wave Energy Generation as Blackout Risk Mitigation for the Central Oregon Coast

Exceeding the standards: The benefits of place-based environmental education in schools

Reforming the Land of Opportunity: Reframing Citizenship for the Deserving Poor in 1996 U.S. Welfare Policy Reform

Central Park's Woodlands: Forest Community Changes After a Decade of Management

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