Index Catalog // ScholarsArchive@OSU

Serologic survey of infectious disease agents in black bears (Ursus americanus) of California, Oregon, and Washington

Creator:: Mortenson, Jack A.
Abstract:: The causes of natural mortality and disease in free ranging black bears, Ursus americanus, in California, Oregon, and Washington are poorly known. Life history components, such as scavenging and overlapping habitat with many species of carnivores, potentially expose bears to a wide range of infectious disease agents. To date, no...
Resource Type:: Masters Thesis
Full Text:: Serologic survey of infectious disease agents in black bears

Female black bear habitat selection and home range ecology in the central Oregon Cascades

Creator:: Vander Heyden, Madeleine
Resource Type:: Masters Thesis
Full Text:: degree of Master of Science in Wildlife Science presented on April 25. 1997. Title: Female Black Bear

Historic Survival Rates and Cause-Specific Mortality for Columbian Black-Tailed Deer in Southwest Oregon

Creator:: Groot, Kevyn A.
Abstract:: In contrast with other Odocoileus species, Columbian black-tailed deer (Odocoileus hemionus columbianus) population dynamics are not well understood throughout the species’ range. Concerns over apparent long-term population declines have prompted efforts to fill basic knowledge gaps including estimates of vital rates (fecundity, recruitment and survival) and cause-specific mortality. The Oregon...
Resource Type:: Masters Thesis
Full Text:: Columbian Black-Tailed Deer in Southwest Oregon AN ABSTRACT OF THE THESIS OF Kevyn A

Relationship between habitat changes and productivity of sage grouse at Hart Mountain National Antelope Refuge, Oregon

Creator:: Coggins, Kreg A.
Abstract:: From 1987-1997, Oregon State University conducted studies at Hart Mountain National Antelope Refuge (HMNAR) to better understand the relationship between grouse productivity and key habitat components. Early studies indicated sage grouse habitat preference and reproductive success were related to particular forbs (including legumes and milky juice composites) and structural characters...
Resource Type:: Masters Thesis
Full Text:: , C. Landis, and C. Dupont. I would like to thank my committee members, Dr. Dave Pyke, Dr. Boone

Occupancy rates and habitat relationships of northern goshawks in historic nesting areas in Oregon

Creator:: Desimone, Steven M.
Abstract:: The ability of northern goshawks (Accipiter gentilis) to persist in intensively managed and selectively harvested forest habitats is largely unknown. To address the concern that populations of northern goshawks in eastern Oregon may be declining in response to habitat alteration, I studied occupancy rates and habitat relationships of nesting goshawks...
Resource Type:: Masters Thesis
Full Text:: addition to valuable guidance given by committee members Mike Collopy, Dave Perry, and Chuck Meslow, my

Competitive interactions and resource partitioning between northern spotted owls and barred owls in western Oregon

Creator:: Wiens, J. David
Abstract:: The federally threatened northern spotted owl (Strix occidentalis caurina) is the focus of intensive conservation efforts that have led to much forested land being reserved as habitat for the owl and associated wildlife species throughout the Pacific Northwest of the United States. Recently, however, a relatively new threat to spotted...
Resource Type:: Dissertation

Factors affecting habitat use by black-tailed deer and Roosevelt elk in the Silver Burn, Southwestern Oregon

Creator:: Michalski, Bret L.
Abstract:: A wildfire burned over 40,000 ha of conifer and mixed conifer-hardwood forest in the Silver Creek drainage of southwestern Oregon in the fall of 1987 allowing me to assess big game use of a large natural burn. I used fecal pellet group counts to estimate habitat use and effects of...
Resource Type:: Masters Thesis
Full Text:: Factors affecting habitat use by black-tailed deer and

Epidemiology, Etiology, Genetics and Predictive Surveillance Modeling of the Deer Chewing Louse Damalinia (Cervicola) Species

Creator:: Mortenson, Jack A.
Abstract:: A seasonal hair-loss syndrome of native deer began to occur in the Pacific Northwest United States in the mid-1990s. Clinical manifestations of the disease typically include large numbers of chewing lice on Columbia Black-tailed deer (Odocoileus hemionus columbianus) and Columbia White-tailed deer (Odocoileus virginianus leucurus). Expenditure of energy responding to...
Resource Type:: Dissertation
Full Text:: include large numbers of chewing lice on Columbia Black-tailed deer (Odocoileus hemionus columbianus

Riparian bird communities in Portland, Oregon : habitat, urbanization, and spatial scale patterns

Creator:: Hennings, Lori A.
Abstract:: Urban ecosystems are characterized by human disturbance and changes in the amount, types, and spatial arrangement of wildlife habitat. The relative importance of habitat and human associated variables to urban birds is unknown. In 1999, I surveyed spring bird and plant communities along 54 perennial streams in the Portland, Oregon...
Resource Type:: Masters Thesis
Full Text:: [Chaetura vauxi]) was positively, and five species (Black-headed Grosbeak [Pheucticus melanocephalus

Breeding bird community composition in relation to riparian vegetation structure in grazed habitats

Creator:: Sanders, Todd Alan
Abstract:: Riparian zones provide habitat for breeding birds in the semiarid western United States; however, there are few data available that address the effects of livestock grazing strategies on riparian habitats and avian communities. Documenting avian community composition in different riparian vegetation communities and relating vegetation communities to livestock grazing strategies...
Resource Type:: Masters Thesis
Full Text:: (savannah sparrow [Passerculus sandwichensis], black tern [Chlidonias niger], and American wigeon [Anas

ScholarsArchive@OSU

Serologic survey of infectious disease agents in black bears (Ursus americanus) of California, Oregon, and Washington

Female black bear habitat selection and home range ecology in the central Oregon Cascades

Historic Survival Rates and Cause-Specific Mortality for Columbian Black-Tailed Deer in Southwest Oregon

Relationship between habitat changes and productivity of sage grouse at Hart Mountain National Antelope Refuge, Oregon

Occupancy rates and habitat relationships of northern goshawks in historic nesting areas in Oregon

Competitive interactions and resource partitioning between northern spotted owls and barred owls in western Oregon

Factors affecting habitat use by black-tailed deer and Roosevelt elk in the Silver Burn, Southwestern Oregon

Epidemiology, Etiology, Genetics and Predictive Surveillance Modeling of the Deer Chewing Louse Damalinia (Cervicola) Species

Riparian bird communities in Portland, Oregon : habitat, urbanization, and spatial scale patterns

Breeding bird community composition in relation to riparian vegetation structure in grazed habitats

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