Index Catalog // ScholarsArchive@OSU

Ringtail (Bassariscus astutus) Survival, Home Range Size, and Rest Site Use in Southwest Oregon

Creator:: Somers, Lindsay N.
Abstract:: The ringtail (Bassariscus astutus) is a small, nocturnal, meso-carnivore that occupies mid-elevation forests in the southwest portion of Oregon. Ringtail are fully protected within Oregon, but a species of conservation concern as they may be vulnerable to habitat loss and fragmentation. Limited data exists regarding ringtail ecology in forested ecosystems,...
Resource Type:: Masters Thesis
Full Text:: Oregon. Abstract approved: ______________________________________________________ Katie M

Life History Trade-offs: The Effects of Habitat Selection on Columbian Black-tailed Deer Survival in Oregon

Creator:: Clark, Jessica S.
Abstract:: The assessment of habitat quality for wild populations requires evaluation of vital rates associated with the use of that habitat. Factors associated with bottom-up (forage) or top-down (predation) regulation and the relative contribution of these processes on ungulate populations are difficult to quantify, especially for a cryptic, but widely distributed...
Resource Type:: Masters Thesis
Full Text:: Oregon. Abstract approved: ______________________________________________________ Katie M. Dugger

Red tree voles in fragmented forests

Creator:: Piasecki, Jason T.
Abstract:: The red tree vole (Arborimus longicaudus) is an arboreal Arvicoline rodent endemic to conifer dominated forests of western Oregon and northwestern California. While commonly associated with old forests, often inhabiting stands over 80 years old, tree voles have also been found in young forests between 20 and 80 years old....
Resource Type:: Masters Thesis
Full Text:: for nest persistence using a known fate modeling framework. Arboreal nest persistence was dependent

Greater Sage-Grouse (Centrocercus urophasianus) Demographic Rates and Predator Communities in a Degraded Landscape in Modoc County, California

Creator:: Sink, Chelsea E.
Abstract:: The greater sage-grouse (Centrocercus urophasianus: hereafter; sage-grouse) population in Modoc County California is geographically isolated and has been subsidized by translocation to prevent inbreeding depression since 2005. Despite significant efforts to increase the population through translocations and habitat improvement by cutting encroaching western juniper (Juniperus occidentalis), only a single lek...
Resource Type:: Masters Thesis
Full Text:: : ______________________________________________________ Katie M. Dugger Christian A

The Role of Trees and Thermal Refugia in Greater Sage-Grouse Brood Habitat Selection

Creator:: Dungannon, Tyler D.
Abstract:: It is well documented that greater sage-grouse (Centrocercus urophasianus; hereafter sage-grouse) populations have been in decline throughout their range in the western United States. Currently, sage-grouse occupy approximately 56% of their historic distribution prior to European settlement. Numerous factors have been cited as potential causes for declining productivity and contraction...
Resource Type:: Masters Thesis
Full Text:: Abstract approved: ____________________________________________________ Christian A. Hagen It

Making the Connection: Linking Stress Physiology of Juvenile Northern Spotted Owls to Environmental Variation and Long-term Survival

Creator:: Mikkelsen, Ashlee J.
Abstract:: The northern spotted owl (Strix occidentalis caurina; spotted owl) is of conservation concern and endemic to mature forests of the Pacific Northwest. Adult survival has a strong effect on population growth rate, but juvenile survival and recruitment are also important components of population change. Despite the importance of this life...
Resource Type:: Masters Thesis
Full Text:: : ____________________________ __________________________ Katie M. Dugger Damon B. Lesmeister The northern spotted

Prespawning Mortality of Fall Creek Willamette Chinook Salmon (Oncorhynchus tshawytscha): Evaluation of the Effects of a New Trap at the Adult Fish Collection Facility

Creator:: Carey, Katherine
Abstract:: Annual rates of prespawn mortality (PSM) in adult Chinook salmon (Oncorhynchus tshawytscha) trapped and transported upstream of dams in the Willamette River basin are high (often >40%) and could limit the ability to restore natural populations of spring Chinook salmon if not reduced. Improvements at the U.S. Army Corps of...
Resource Type:: Masters Thesis
Full Text:: ): Evaluation of the Effects of a New Trap at the Adult Fish Collection Facility Abstract approved

The Breeding Ecology and Foraging Niche of Aleutian Terns (Onychoprion aleuticus) in the Kodiak Archipelago, Alaska

Creator:: Tengeres, Jill E.
Abstract:: The Aleutian tern (Onychoprion aleuticus) is a species of high conservation concern in Alaska due to large declines at known breeding locations since the 1960s. Due to the small population size and ephemeral behavior of this species on the nesting grounds, there is little basic biological information available and data...
Resource Type:: Masters Thesis
Full Text:: Donald E. Lyons The Aleutian tern (Onychoprion aleuticus) is a species of high conservation

Inter- and Intra-rater Reliability and Agreement in Determining Tumor Margins and Inter-surgeon Agreement in Determining 3 cm Surgical Margins of Subcutaneous Tumors in Dogs

Creator:: Ranganathan, Bharadhwaj
Abstract:: Determination of the gross edge of a tumor is required during patient staging, assessing response to therapy, and for planning and executing surgical resection of locally invasive neoplasms. Disagreement in determination of the gross edge of the tumor is likely to directly affect patient staging, assessing response to therapy and...
Resource Type:: Masters Thesis
Full Text:: : _________________________________ Milan Milovancev Determination of the gross edge of a tumor is required during patient

Life History of the Northern Rubber Boa (Charina bottae) in Oregon

Creator:: Leppin, Mark V.
Abstract:: The Northern Rubber Boa (Charina bottae) is a small, secretive boa native to the Pacific Northwest. Despite this being possibly the highest latitude boas and one of only two boas native to the continental U.S., it has received surprisingly little attention. Most of the research on the natural history of...
Resource Type:: Masters Thesis
Full Text:: : _________________________________________________ Robert T. Mason The Northern Rubber Boa (Charina bottae) is a small, secretive boa native

ScholarsArchive@OSU

Ringtail (Bassariscus astutus) Survival, Home Range Size, and Rest Site Use in Southwest Oregon

Life History Trade-offs: The Effects of Habitat Selection on Columbian Black-tailed Deer Survival in Oregon

Red tree voles in fragmented forests

Greater Sage-Grouse (Centrocercus urophasianus) Demographic Rates and Predator Communities in a Degraded Landscape in Modoc County, California

The Role of Trees and Thermal Refugia in Greater Sage-Grouse Brood Habitat Selection

Making the Connection: Linking Stress Physiology of Juvenile Northern Spotted Owls to Environmental Variation and Long-term Survival

Prespawning Mortality of Fall Creek Willamette Chinook Salmon (Oncorhynchus tshawytscha): Evaluation of the Effects of a New Trap at the Adult Fish Collection Facility

The Breeding Ecology and Foraging Niche of Aleutian Terns (Onychoprion aleuticus) in the Kodiak Archipelago, Alaska

Inter- and Intra-rater Reliability and Agreement in Determining Tumor Margins and Inter-surgeon Agreement in Determining 3 cm Surgical Margins of Subcutaneous Tumors in Dogs

Life History of the Northern Rubber Boa (Charina bottae) in Oregon

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