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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:: special thanks to Eric Forsman and his PNW crews: Ivy Otto, Rich Lowell, Pete Loschl, Janice Reid, and

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

Creator:: Johnson, David Harold, 1956-
Resource Type:: Masters Thesis
Full Text:: . Forest Service Pacific Northwest Research Station and Oregon State University (Supplement PNW 89-457

Home range and habitat use of western red-backed voles in mature coniferous forests in the Oregon Cascades

Creator:: Thompson, Rebecca L., 1966-
Resource Type:: Masters Thesis
Full Text:: DISCUSSION 22 Home Range Size 22 Core Areas 23 Movements 24 SUMMARY 25 HABITAT ASSOCIATIONS OF WESTERN

Characteristics of northern flying squirrel and Townsend's chipmunk populations in second -and old-growth forests

Creator:: Rosenberg, Daniel K.
Resource Type:: Masters Thesis
Full Text:: Population-Size 17 Habitat Characteristics 20 Statistical Analyses 20 RESULTS 22 Population-Size and

Distribution and habitat associations of the northern pygmy-owl in Oregon

Creator:: Sater, Dawn M.
Abstract:: I conducted acoustic lure surveys of northern pygmy-owls (Glaucidium gnoma) on transects that were systematically placed in forested areas throughout the state of Oregon. My objectives were to determine if pygmy-owls were associated with particular forest types, ecoregions, or with large-diameter dominant overstory trees. I also examined temporal variation in...
Resource Type:: Masters Thesis
Full Text:: in the area of the transect.. 22 Mean number of northern pygmy-owls detected per 15-point acoustic

Bird communities in 5- to 34- year old managed Douglas-fir stands on the Willamette National Forest, Oregon Cascades

Creator:: Bettinger, Kelly Anne
Abstract:: Breeding bird communities were examined in 18 managed Douglas-fir stands in 6 age classes from 5 to 34 years old in spring and early summer, 1993 on the Detroit Ranger District, Willamette National Forest, Oregon. The range of seral stages included early shrub/sapling, late shrub/sapling, and pole. In general, the...
Resource Type:: Masters Thesis
Full Text:: SW 14.6 860 Log Creek U-8 20 5 SW 16.6 1 116 Box Canyon #1 U-1 19 5 NW 17.0 914 McCoy #3 U-22 18 3 E

Amphibian communities and physical characteristics of intermittent streams in old-growth and young forest stands in western Oregon

Creator:: Lee, Yu Man
Abstract:: Intermittent, headwater streams recently have been recognized as important components of forest ecosystems and have been provided increased protection by the Northwest Forest Plan. However, few studies have examined their distribution, dynamics, and ecological roles, such as habitat for wildlife. My goal was to provide additional information on the ecology...
Resource Type:: Masters Thesis
Full Text:: Range in western Oregon 22 2.3. Means for daily mean, minimum, and maximum water temperatures as well

Activity of bats in thinned, unthinned, and old-growth forests in the Oregon Coast Range

Creator:: Humes, Marcia Lynn
Abstract:: Ten species of bats occur in the Oregon Coast Range and are hypothesized to be associated with late-successional forests. The development of characteristics of late-successional forests in young forest stands can be accelerated through silvicultural practices such as thinning I examined the effects of thinning on the use of forests...
Resource Type:: Masters Thesis
Full Text:: sampling 16 Data analysis 16 RESULTS 22 Bat activity in 1994 22 Bat activity in 1995 25 Bat activity

Influence of limited access roads on Roosevelt elk in the Oregon Coast Range

Creator:: Cole, Eric K.
Abstract:: No studies have evaluated the effects of limited vehicle access on movements, survival and habitat use of Roosevelt elk (Cervus elaphus roosevelti) . We installed twenty gates, restricting motorized vehicle access by the public in seven discrete Road Management Areas (RMAs), comprising 35% of the study area. We radio-tracked 31...
Resource Type:: Masters Thesis
Full Text:: Telemetry 21 Elk Monitoring 21 Home Range and Core Areas 22 Road Management Area Boundary

Small-mammal herpetofauna abundance in riparian and upslope areas of five forest conditions

Creator:: Gomez, Douglas M.
Abstract:: I compared species composition and relative abundance of'small mammals and herpetofauna between riparian and upslope habitats among 5 forest types. Riparian- and upslope- associated species were identified based on capture frequency. Small mammal species richness was similar between stream and upslope habitats and among the 5 forest types. There were...
Resource Type:: Masters Thesis
Full Text:: stream and upslope transects in five forest types in the Oregon Coast Ranges, 1989-90 22 6

ScholarsArchive@OSU

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

Home range and habitat use of western red-backed voles in mature coniferous forests in the Oregon Cascades

Characteristics of northern flying squirrel and Townsend's chipmunk populations in second -and old-growth forests

Distribution and habitat associations of the northern pygmy-owl in Oregon

Bird communities in 5- to 34- year old managed Douglas-fir stands on the Willamette National Forest, Oregon Cascades

Amphibian communities and physical characteristics of intermittent streams in old-growth and young forest stands in western Oregon

Activity of bats in thinned, unthinned, and old-growth forests in the Oregon Coast Range

Influence of limited access roads on Roosevelt elk in the Oregon Coast Range

Small-mammal herpetofauna abundance in riparian and upslope areas of five forest conditions

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