Index Catalog // ScholarsArchive@OSU

Evaluating space use and pesticide exposure risk for burrowing owls in an agricultural environment

Creator:: Gervais, Jennifer A.
Abstract:: Large burrowing owl (Aihene cunicularia) populations exist in areas of intensive agriculture in California, and pesticide exposure has been identified as a potential threat to population persistence. I evaluated breeding season use of agricultural fields by adult male owls using radio telemetry, and examined egg contaminant residues to estimate population-level...
Resource Type:: Dissertation
Full Text:: : Robert G. Anthony Large burrowing owl (Aihene cunicularia) populations exist in areas of Intensive

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
Full Text:: : _____________________________________________________________________ Robert G. Anthony Eric D. Forsman The federally threatened northern spotted owl (Strix

Abundance and habitat associations of Washington ground squirrels in north-central Oregon

Creator:: Greene, Eric
Abstract:: Much of the Columbia River Basin has been cultivated for agriculture, which has reduced and fragmented the native shrub-steppe habitats. As a result, the range of the Washington ground squirrel (Spermophilus washingtoni) has been significantly reduced, prompting the states of Washington and Oregon to review their status. Consequently, I investigated...
Resource Type:: Masters Thesis
Full Text:: redacted for privacy. Robert G. Anthony Much of the Columbia River Basin has been cultivated for

Demography and habitat selection of northern spotted owls in post-fire landscapes of southwestern Oregon

Creator:: Clark, Darren A.
Abstract:: Several large wildfires in southwestern Oregon during the summers of 2001 and 2002 provided the opportunity to investigate the impacts of wildfire on northern spotted owls (Strix occidentalis caurina). I used radio-telemetry and demographic surveys to describe demographic performance and habitat selection of spotted owls in the areas burned by...
Resource Type:: Masters Thesis
Full Text:: . Abstract approved: Robert G. Anthony Several large wildfires in southwestern Oregon during

Habitat use and densities of cavity-nesting birds in the Oregon Coast Range

Creator:: Nelson, S. Kim
Abstract:: I studied abundance patterns and habitat use of eight cavitynesting bird species in the Coast Ranges of Western Oregon during the spring and summer of 1985 and 1986. Three age classes of unmanaged Douglas-fir (Pseudotsuga menziesii) stands were selected for study: young (40-80 yrs), mature (80-200 yrs), and old-growth (>200...
Resource Type:: Masters Thesis
Full Text:: Densities of Cavity Nesting Birds in the Oregon Coast Ranges I I ')t -Abstract approved: Robert G. Anthony

Demography, home range, and habitat selection of northern spotted owls in the Ashland Watershed

Creator:: Schilling, Jason W.
Abstract:: Northern Spotted Owls (Strix occidentalis caurina) inhabit productive forests that historically supported frequent, large, variable-severity fires in the Klamath province of southwestern Oregon occur in complex. The potential for high-severity wildfire remains high throughout this region, so remaining spotted owl habitat is at risk. An adaptive management approach to fire...
Resource Type:: Masters Thesis
Full Text:: Robert G. Anthony Northern Spotted Owls (Strix occidentalis caurina) inhabit productive forests

Steller sea lions (Eumetopias jubatus) of Oregon and Northern California: seasonal haulout abundance patterns, movements of marked juveniles, and effects of hot-iron branding on apparent survival of pups at Rogue Reef

Creator:: Scordino, Jonathan
Abstract:: The Steller Sea Lion Research Initiative was passed in 2001 to provide funding to help scientists determine causes and solutions for the population crash of Steller sea lions (Eumetopias jubatus). In response to need to understand population dynamics of Steller sea lions, NOAA Fisheries has spearheaded a large-scale, range-wide research...
Resource Type:: Masters Thesis
Full Text:: results from Robert Anthony, Jeff Laake, and Bryan Wright. I received help from Bryan Wright, Michael

Daily activity patterns, survival, and movements of red tree voles (Arborimus longicaudus) in western Oregon

Creator:: Swingle, James Kerr
Abstract:: We radiocollared a sample of 61 red tree voles in Douglas County, Oregon and monitored their movements to determine daily, seasonal, and sexual differences in behavior and home range attributes. We also collected information on nest attributes, survival, and dispersal of the radiocollared voles. Individual voles were monitored for periods...
Resource Type:: Masters Thesis
Full Text:: Department of Fisheries and Wildlife at Oregon State University. Drs. Dan Schafer and Robert Anthony served

Use of wetlands in the Tulare Lake Basin by wintering ducks

Creator:: Coe, Holly N.
Abstract:: I evaluated the use of various wetlands by wintering ducks in the Tulare Lake Basin (TLB), California, during October 1982 - April 1983 and September 1983 - March 1984. Aerial waterfowl counts of the TLB were used to document spacial use patterns by ducks. Ground surveys on evaporation ponds in...
Resource Type:: Masters Thesis
Full Text:: graduate committee members, Robert G. Anthony, Robert L. Jarvis, and Fred L. Ramsey for their help and

Satellite monitored dive characteristics of the northern right whale, Eubalaena glacialis

Creator:: Nieukirk, Sharon L.
Abstract:: The western North Atlantic population of the northern right whale (Eubalaena glacialis) was severely depleted by whaling over the last century. Despite over fifty years of protection, fewer than four hundred individuals are believed to exist in the North Atlantic. Relatively little is known about the diving behavior, respiratory physiology,...
Resource Type:: Masters Thesis
Full Text:: sincerely thank the members of my committee, Dr. William Pearcy, Dr. Robert Anthony, Dr. Fred Ramsey and

ScholarsArchive@OSU

Evaluating space use and pesticide exposure risk for burrowing owls in an agricultural environment

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

Abundance and habitat associations of Washington ground squirrels in north-central Oregon

Demography and habitat selection of northern spotted owls in post-fire landscapes of southwestern Oregon

Habitat use and densities of cavity-nesting birds in the Oregon Coast Range

Demography, home range, and habitat selection of northern spotted owls in the Ashland Watershed

Steller sea lions (Eumetopias jubatus) of Oregon and Northern California: seasonal haulout abundance patterns, movements of marked juveniles, and effects of hot-iron branding on apparent survival of pups at Rogue Reef

Daily activity patterns, survival, and movements of red tree voles (Arborimus longicaudus) in western Oregon

Use of wetlands in the Tulare Lake Basin by wintering ducks

Satellite monitored dive characteristics of the northern right whale, Eubalaena glacialis

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