Index Catalog // ScholarsArchive@OSU

Age-specific and lifetime reproductive success of known age Northern Spotted Owls on four study areas in Oregon and Washington

Creator:: Loschl, Peter J.
Abstract:: Northern Spotted Owls (Strix occidentalis caurina) are a long-lived forest owl and range-wide declines in their numbers have resulted in the species being listed as threatened under the endangered species act. While many studies have been focused on population trends and reproductive performance of Spotted Owls from different age-classes, none...
Resource Type:: Masters Thesis
Full Text:: Areas in Oregon and Washington. Abstract approved: Eric D. Forsman Northern Spotted Owls

Dispersal of juvenile northern spotted owls in western Oregon

Creator:: Miller, Gary Scott
Abstract:: Dispersal of juvenile northern spotted owls (Strix occidentalis caurina) was studied in western Oregon from 1982-1985. The study was initiated to document the pattern of juvenile spotted owl dispersal, survival, habitat use, and possible effects of forest fragmentation on the dispersing juveniles in the Pacific Northwest Douglas-fir Region. Forty-eight juveniles...
Resource Type:: Masters Thesis

Conservation plans for the northern spotted owl and other forest management proposals in Oregon : the economics of changing timber availability

Creator:: Greber, Brian J., Johnson, K. Norman, and Lettman, Gary
Abstract:: The goal of this study is to analyze how the ISC Conservation Strategy may influence Oregon's timber availability and economy in the context of overall changes in public land management. Two themes are important: first, how the state's future will differ from today and second, how the state's future will...
Resource Type:: Technical Report
Full Text:: Plans for the Northern Spotted Owl and Other Forest Management Proposals in Oregon: The Economics of

Local weather, regional climate, and population dynamics of northern spotted owls in Washington and Oregon

Creator:: Glenn, Elizabeth M.
Abstract:: Since the early 1990s, declines in northern spotted owl (Strix occidentalis caurina) populations have been documented through extensive field surveys and range-wide demographic analyses. Although loss of late-successional forest has been credited as the primary cause for spotted owl population declines, environmental variation has also been shown to influence vital...
Resource Type:: Dissertation
Full Text:: ) maps on 6 northern spotted owl study areas in Oregon and Washington, 1985- 2005

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:: for one male northern spotted owl in the northern Oregon Coast Range (Meiman et al. 2003). The

Geographic distributions of prey of the northern spotted owl in the central western Cascades, Oregon, 1988-2009

Creator:: Smoluk, Alexis
Abstract:: Spatial variation in the diet of the northern spotted owl (Strix occidentalis caurina) influences owl home ranges, and understanding this relationship will aid managers in forest management prescriptions that influence spotted owl recovery. This study describes the spatial variation in owl diet based on 4183 prey collected at 114 owl...
Resource Type:: Masters Thesis
Full Text:: Geographic Distributions of Prey of the Northern Spotted Owl in the Central Western Cascades, Oregon, 1988

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:: spotted owls and barred owls on the owl interaction study area in western Oregon, USA, 2007– 2009

Landscape composition around northern spotted owl nests, central Cascade Mountains, Oregon

Creator:: Swindle, Keith A.
Abstract:: This study describes the composition of forest landscapes surrounding northern spotted owl (Strix occidentalis caurina) nests in the central Cascade Mountains of Oregon. I compared forest composition around 126 owl nests in 70 pair territories with forest composition around 119 points drawn randomly from all terrestrial cover-types, and around 104...
Resource Type:: Masters Thesis
Full Text:: Around Northern Spotted Owl Nests. Central Cascade Mountains. Oregon. Abstract approved: - E. Charles

Characteristics of forests at spotted owl nest sites in the Pacific Northwest

Creator:: Hershey, Kit
Abstract:: This study describes the composition and structure of forests within the immediate vicinity of Northern spotted owl (Strix occidentalis caurina) nest sites in the Klamath, Coast, and Cascade provinces of western Oregon and the Olympic province, Washington. I compared forest stand data collected at 105 nest sites with data from...
Resource Type:: Masters Thesis
Full Text:: of spotted owl nest sites in western Oregon and the Olympic Peninsula, and (2) test the null

Spotted owls, great horned owls, and forest fragmentation in the central Oregon Cascades

Creator:: Johnson, David Harold, 1956-
Resource Type:: Masters Thesis
Full Text:: Klamath, Western Cascades, and Coast Range provinces in Oregon. They found spotted owl nest landscapes to

ScholarsArchive@OSU

Age-specific and lifetime reproductive success of known age Northern Spotted Owls on four study areas in Oregon and Washington

Dispersal of juvenile northern spotted owls in western Oregon

Conservation plans for the northern spotted owl and other forest management proposals in Oregon : the economics of changing timber availability

Local weather, regional climate, and population dynamics of northern spotted owls in Washington and Oregon

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

Geographic distributions of prey of the northern spotted owl in the central western Cascades, Oregon, 1988-2009

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

Landscape composition around northern spotted owl nests, central Cascade Mountains, Oregon

Characteristics of forests at spotted owl nest sites in the Pacific Northwest

Spotted owls, great horned owls, and forest fragmentation in the central Oregon Cascades

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