Index Catalog // ScholarsArchive@OSU

Meeting the Night : The Science and Mystery of an Endangered Habitat

Creator:: Sisson, Jill
Abstract:: Night is an extraordinary resource. Unlike air, water, or soil, nighttime is a spatio-temporal phenomenon, which leads to many crucial roles. It provides refuge to wildlife species, triggers hormonal and behavioral responses among a wide variety of organisms, and serves as an essential migratory backdrop for species that navigate by...
Resource Type:: Capstone Project
Date Created:
Full Text:: out that low, deep sounds below middle C, like the rumble of passing trucks, emulate a thundering

Development of a Strain Gage Program for the Measurement of Strain on Prototypic, Plate-type, High Performance Research Reactor Fuels under Flow Testing

Creator:: Weiss, Aaron W.
Abstract:: A large, multi-year experimental program has been conducted to develop a strain gaging program for application to the flow testing of prototypic, plate-type fuel for high performance research reactors. This test program has resulted in the selection of appropriate strain gage construction, adhesives, and protective coatings to allow the acquisition...
Resource Type:: Masters Thesis
Full Text:: Abstract approved: Brian G. Woods A large, multi-year experimental program has been conducted to develop

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:: -C (Culman, 2019; Weil et al., 2003) where 2.5 g air-dried soil and 20 mL 0.02M potassium

Is Cover Type Use by Dabbling Ducks at Bald Knob National Wildlife Refuge, Arkansas, Related to Energy Availability?

Creator:: Kreisler, Skye E.
Abstract:: Managers of U. S. Fish and Wildlife Service’s Bald Knob National Wildlife Refuge (Refuge) in central Arkansas want to provide sufficient habitat resources to meet its population objectives for wintering waterfowl. Nutrient reserves acquired during the wintering period appear to support spring migration and subsequent reproductive success for some species,...
Resource Type:: Capstone Project
Full Text:: of all duck survey dates at Bald Knob NWR from 2006-07 to 2019-20...........80 Appendix C

Pasture Production and Lamb Growth from Dryland Hill Pastures in Western Oregon

Creator:: Gultekin, Yunus
Abstract:: Pasture legumes that persist under challenging agro-ecological conditions are crucial to ensure high lamb growth rates in dryland pastures. Pasture and lamb production from white clover (TF-Whc), birdsfoot trefoil (TF-Bft), balansa clover (TF-Bc) and subterranean clover (TF-Sc) planted with tall fescue either as binary mixtures or as a diverse combination...
Resource Type:: Masters Thesis
Full Text:: 2018, all pasture combinations provided similar lamb liveweight gains (LWG, mean 177 g d-1) in the

Planning for the Future Forest on the Northern Shawangunk Ridge: Climate-Adaptive Disturbance Preparedness and Response Recommendations

Creator:: Randazzo, Andrew
Abstract:: Mohonk Preserve intends to manage their forestland more actively with the mission of promoting forest health, climate-adaptation, and overall ecosystem health for the benefit of their community and recreational users. Climate-adaptive management recommendations (recommendations that address climate change vulnerabilities —by promoting either resistance, resilience, or transition— while helping to meet...
Resource Type:: Capstone Project

Addressing Free Ridership and the Provision of Hidden Public Goods : Using an Experimental Randomized Control Trial to Test the Nation's Willingness to Pay for the Columbia River Levee System in the Portland Metro Area During an Era of Localism

Creator:: Crawford, Tessa E.
Abstract:: Levee management has historically been considered a local governance issue. Many users of the Portland International (PDX) airport may have no knowledge that the airport is in a floodplain and is protected by a hundred year old levee. This study asked survey respondents across the U.S. how much they would...
Resource Type:: Capstone Project

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

Creating a Predictive Model of Cinder Cone Evolution in Central Oregon

Creator:: Das-Toke, Shyam P.
Abstract:: Cinder cones are useful geomorphic features for geological analysis because they generally have known initial states and follow a similar pattern of degradation as they are exposed to erosive processes. This is largely because cinder cones are produced by monogenetic eruptions. Characterizing large cinder cone fields in terms of age...
Resource Type:: Masters Thesis
Full Text:: .............................................................. 46 Appendix C: USGS Silica Weight Percentage Database

What do people think about genetically engineering trees? A qualitative inquiry to understand how people reason about using forest biotechnology to address forest health threats

Creator:: Emery, Elizabeth R.
Abstract:: Climate change is increasing the severity of pest and pathogen infestations affecting forests. Resulting shifts in disturbance patterns can have substantial ecological, social, and economic impacts on forested ecosystems and their dependent communities. Researchers are actively investigating methods to improve tree resistance to specific pests and pathogens and enhance forest...
Resource Type:: Masters Thesis
Full Text:: …………………………………………………………………………………...127 B. Letter of Informed Consent…………………………………………………………………………………....128 C. Interview Guide

ScholarsArchive@OSU

Meeting the Night : The Science and Mystery of an Endangered Habitat

Development of a Strain Gage Program for the Measurement of Strain on Prototypic, Plate-type, High Performance Research Reactor Fuels under Flow Testing

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

Is Cover Type Use by Dabbling Ducks at Bald Knob National Wildlife Refuge, Arkansas, Related to Energy Availability?

Pasture Production and Lamb Growth from Dryland Hill Pastures in Western Oregon

Planning for the Future Forest on the Northern Shawangunk Ridge: Climate-Adaptive Disturbance Preparedness and Response Recommendations

Addressing Free Ridership and the Provision of Hidden Public Goods : Using an Experimental Randomized Control Trial to Test the Nation's Willingness to Pay for the Columbia River Levee System in the Portland Metro Area During an Era of Localism

Toward a flexible and accurate approach to null network sampling

Creating a Predictive Model of Cinder Cone Evolution in Central Oregon

What do people think about genetically engineering trees? A qualitative inquiry to understand how people reason about using forest biotechnology to address forest health threats

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