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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:: , central Cascade Mountains, Oregon AN ABSTRACT OF THE THESIS OF Keith A. Swindle for the degree of

Turf assemblage of a Macrocystis kelp forest : experiments on competition and herbivory

Creator:: Miles, A. Keith
Abstract:: Early and later successional stages of the assemblage of turf algae and sessile animals of a Macrocystis kelp forest were studied off San Nicolas Island, California from 1980 through 1981, and 1983 through 1984. Kelps were manipulated to determine if differences in illumination could account for dominance by turf algae...
Resource Type:: Dissertation
Full Text:: : experiments on competition and herbivory AN ABSTRACT OF THE THESIS OF A. Keith Miles for the degree of

Seasonal properties of the coyote scent station index

Creator:: Griffith, Dennis Bradley
Abstract:: Six standard coyote scent station index lines and one scentless control line were repeatedly sampled from May through October, 1974, on a 400 square mile study area in Central Oregon. The scent station index remained relatively constant at a mean value of 0.025 from May through mid-August; increased to a...
Resource Type:: Masters Thesis
Full Text:: taken per man-year, as long-term indicators of popu1ation trends; and Keith (1963) used fur return

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

Creator:: Johnson, David Harold, 1956-
Resource Type:: Masters Thesis
Full Text:: with statistical analysis. For his excellence as a field assistant, my respect and thanks go to Keith

Productivity and nesting habitat of Great Basin Canada geese : Umatilla National Wildlife Refuge

Creator:: McCabe, Thomas R.
Abstract:: Great Basin Canada goose (Branta canadensis moffitti) productivity and nesting habitat utilization were studied on the Columbia River within the boundaries of the Umatilla National Wildlife Refuge during the springs of 1974 and 1975. Five islands, BL-1, BL-2, SD-1, SD-2, and Telegraph Island (TI), contained 88 percent of the nesting...
Resource Type:: Masters Thesis
Full Text:: Hinchberger, Keith Miles, and Robert Pietruszka, fellow graduate students; John Kurtz, Beverly Pender, and

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:: , Ken Byford, Clyde Romero, Virgil Morris, Cheryl Friesen, Barbara Fountain, Cindy Barkhurst, Keith

Habitat utilization by spotted owls in the West-Central Cascades of Oregon

Creator:: Forsman, Eric D.
Abstract:: Eight adult spotted owls (Strix occidentalis) on the west slope of the Cascade Range in Oregon were fitted with radio transmitters and observed for periods ranging from 271 to 383 days. Mean home range size for the owls was 1,177 ha (range = 920-1,376 ha). There was no significant difference...
Resource Type:: Dissertation
Full Text:: the field, I thank Keith Miles, Fred Lindzey, Mac Huff, Steve Crane, Ted Thompson and Bill Heckel

Efficacy of biological corridors

Creator:: Rosenberg, Daniel K.
Resource Type:: Dissertation
Full Text:: Hoffmann, Verne Marr, Anne MacKinnon, Keith Swindle, and all those who collected salamanders. I was

Population ecology of the Columbian white-tailed deer

Creator:: Gavin, Thomas Alan
Abstract:: A population of Columbian white-tailed deer (CWTD) was studied on a refuge (790 ha) in southwestern Washington during 1972-77. Quality of habitat was considered good for these deer and total population size remained between 164-230 as determined by mark-recapture methods during November. Population size declined significantly between the winters of...
Resource Type:: Dissertation
Full Text:: Kistner, Bill Krueger, Fred Lindzey, Keith Miles, Dick Reynolds, Kaaren Smalter, Lowell Suring, Dick

Habitat relationships of birds and young-growth Douglas-fir in northwestern California

Creator:: Marcot, Bruce G.
Abstract:: Ninety-one species of birds were surveyed in grass/forb, early and late shrub/sapling, pole, and medium sawtimber stages of young-growth Douglas-fir in northwestern California; patterns of bird distribution and abundance were related to habitat conditions and even-age silvicultural treatments. Seven species (band-tailed pigeon, western wood pewee, dusky flycatcher, western bluebird, fox...
Resource Type:: Dissertation
Full Text:: = early shrub/sapling, L late shrub/sapling, P pole, S medium sawtimber). 162 Potential immediate impacts

ScholarsArchive@OSU

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

Turf assemblage of a Macrocystis kelp forest : experiments on competition and herbivory

Seasonal properties of the coyote scent station index

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

Productivity and nesting habitat of Great Basin Canada geese : Umatilla National Wildlife Refuge

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

Habitat utilization by spotted owls in the West-Central Cascades of Oregon

Efficacy of biological corridors

Population ecology of the Columbian white-tailed deer

Habitat relationships of birds and young-growth Douglas-fir in northwestern California

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