Index Catalog // ScholarsArchive@OSU

Protection of pandora moth (Coloradia pandora Blake) eggs from consumption by golden-mantled ground squirrels (Spermophilus lateralis Say)

Creator:: Gerson, Elizabeth Ann
Abstract:: Endemic populations of pandora moths (Co/oradia pandora Blake), a defoliator of western pine forests, proliferated to epidemic levels in central Oregon in 1986 and increased dramatically through 1 994. Golden-mantled ground squirrels (Spermophilus lateralis Say) consume adult pandora moths, but reject nutritionally valuable eggs from gravid females. Feeding trials with...
Resource Type:: Masters Thesis
Full Text:: committee, Drs. William C. McComb, Darrell W. Ross, and W. Daniel Edge for their help in defining this

A Review and Toxicological Evaluation of an Environmentally-Friendly Alternative to Silver Nanoparticles

Creator:: Nix, Cassandra E.
Abstract:: Within the past two decades, the rise of nanotechnology has provided various technological and industrial sectors with avenues for significant growth and improvements to existing practices. With the inherent qualities which make materials on the nanoscale unique in behavior and function, there are limitless applications of nanotechnology. One of the...
Resource Type:: Masters Thesis

Challenges to Gray Wolf Recovery in Washington, Oregon, and Northern California

Creator:: Kriz, Matthew A.
Abstract:: Gray wolves (Canis lupus) are the most socially polarizing species listed under the Endangered Species Act. Wildlife management practices at local, state, and federal levels include lethal control to resolve stakeholder and wolf conflicts as a last resort. There is little experimental evidence that lethal control is effective in this...
Resource Type:: Capstone Project
Full Text:: : Nicole Duplaix Daniel W. Edge Joe Kerkvliet Gray wolves (Canis lupus) are the most socially

Estimation of Population Age Structure, Detection Probability, and Density of Red Tree Voles in Oregon

Creator:: Marks-Fife, Chad A.
Abstract:: Red tree voles (Arborimus longicaudus) are a unique species of Arvicoline rodent found in western Oregon and northwest California. Their preferred habitat is mature and old-growth coniferous forest dominated by Douglas-fir (Pseudotsuga menziesii). Tree voles are an important prey item for northern spotted owls and many other predators, but are...
Resource Type:: Masters Thesis
Full Text:: which I can never adequately thank him. I want to thank my committee members, Dan Edge and Bob Mason

A Spatial Assessment of Conservation Opportunities in the Willamette River Floodplain between Corvallis and Albany, Oregon

Creator:: Baker, Jeffrey M.
Abstract:: The Willamette River floodplain has been highly modified by urbanization, conversion of land to agriculture, construction of dams and revetments, and regulation of flow, all of which have reduced floodplain processes that provide valuable ecosystem services such as fish and wildlife habitat and flood storage. Efforts to protect and restore...
Resource Type:: Capstone Project
Full Text:: members of my graduate committee, Dr. Dawn Wright, and Dr. Daniel Edge. Thank you all. My employer

Beaver ecology on the west Copper River Delta, Alaska

Creator:: Cooper, Erin E.
Abstract:: Since the 1964 earthquake and geologic uplift, beavers (Castor canadensis) have expanded their historic range from the inland (outwash plain) Copper River Delta, Alaska to the once tidally influenced areas of the outer area (uplifted marsh). The uplift presents a unique opportunity to observe beaver expansion, habitat selection and influence...
Resource Type:: Masters Thesis
Full Text:: process. I also thank the members of my graduate committee, Alix Gitelman, Dan Edge and Robert Beschta

Moving towards sustainability and increasing user safety by improving performance of RAP mixtures and developing a network-level decision-making tool for pavement maintenance

Creator:: Haddadi, Sogol Sadat
Abstract:: Due to a general reduction in pavement program funding levels over the past decade, the current budget is not sufficient to maintain roadways at a high level of service with acceptable roughness levels. Rough roadways with poor ride quality increase drivers’ vehicle operating costs (fuel consumption, vehicle maintenance, and tire-wear)...
Resource Type:: Masters Thesis

Breeding habitat of harlequin ducks in Prince William Sound, Alaska

Creator:: Crowley, David W.
Abstract:: Breeding habitat of Harlequin ducks (Histrionicus histrionicus) was studied in eastern Prince William Sound, Alaska, during 1991 - 1993. Streams in Prince William Sound were surveyed for Harlequin ducks and monitored with mist nets. Physical characteristics of 24 Harlequin breeding streams were compared to those of 24 streams not used...
Resource Type:: Masters Thesis
Full Text:: committee members Charles Meslow, William McComb, John Hayes and Daniel Edge for their review and comments

Ecological relationships between Columbian white-tailed and black-tailed deer in southwest Oregon

Creator:: Whitney, Lowell W.
Abstract:: I examined ecological relationships and mechanisms of coexistence for sympatric populations of Columbian white-tailed (Odocoileus virginianus leucurus) and black-tailed deer (Odocoileus hemionus columbianus) in Douglas County, Oregon, from September 1997 to August 1998. Horseback transects were used to describe spatial distributions, population overlap, and habitat use for both species. Behavioral...
Resource Type:: Masters Thesis

Associations of forest floor vertebrates with coarse woody debris in managed forests, western Oregon Cascades

Creator:: Butts, Sally R.
Abstract:: Forest floor vertebrate species presence and abundance may be influenced by the volume and cover of coarse woody debris (CWD) in managed forests. I studied macro- and microhabitat associations of vertebrate species in 18 closed-canopy stands ranging in CWD volume from 14 to 859 m3/ha. Pitfall traps were used to...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Protection of pandora moth (Coloradia pandora Blake) eggs from consumption by golden-mantled ground squirrels (Spermophilus lateralis Say)

A Review and Toxicological Evaluation of an Environmentally-Friendly Alternative to Silver Nanoparticles

Challenges to Gray Wolf Recovery in Washington, Oregon, and Northern California

Estimation of Population Age Structure, Detection Probability, and Density of Red Tree Voles in Oregon

A Spatial Assessment of Conservation Opportunities in the Willamette River Floodplain between Corvallis and Albany, Oregon

Beaver ecology on the west Copper River Delta, Alaska

Moving towards sustainability and increasing user safety by improving performance of RAP mixtures and developing a network-level decision-making tool for pavement maintenance

Breeding habitat of harlequin ducks in Prince William Sound, Alaska

Ecological relationships between Columbian white-tailed and black-tailed deer in southwest Oregon

Associations of forest floor vertebrates with coarse woody debris in managed forests, western Oregon Cascades

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