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A multi-trophic level examination of recreational impacts on a national wild and scenic river

Creator:: Wright, Kristopher Keith
Abstract:: Initially, components of an aquatic food web were examined to study impacts of recreational use on the aquatic ecology of Quartzville Creek, Oregon in 1995 and 1996. Measurements of the food web components consisted of observations of harlequin ducks (Histrionicus histrionicus), visual counts of the larval caddisfly Dicosmoecus gilvipes, benthic...
Resource Type:: Masters Thesis
Full Text:: the engine fire glowing. To the members of my graduate committee, Robert Jarvis and Gordon Matzke

Ecology of breeding burrowing owls in the Columbia Basin, Oregon

Creator:: Green, Gregory A.
Resource Type:: Masters Thesis
Full Text:: thank committee members Dr. John Crawford, and Dr. Gordon Matzke for their helpful criticism. Special

A model of campsite choice in dispersed recreation settings

Creator:: Brunson, Mark W.
Abstract:: Research on campsite selection behavior has given managers of outdoor recreation resources a better understanding of users' needs and preferences. However, researchers have found nagging inconsistencies, not only across settings but also between campers' stated preferences and their actual behavior. This thesis re-examines the campsite selection research in light of...
Resource Type:: Masters Thesis

The use of suburban habitats by Columbian black-tailed deer

Creator:: Happe, Patricia Jenkin
Abstract:: The movements, habitat use, and activity patterns of black-tailed deer in western Oregon, and the influence of suburban housing developments on the behavior of deer in the area, were studied and described. Radio telemetry, spotlight censusing, and a resident questionnaire were used to document the behavior of deer. Radio telemetry...
Resource Type:: Masters Thesis

Vegetation changes in the Willamette River Greenway, Benton and Linn Counties, Oregon, 1972-1981

Creator:: Wickramaratne, Siri Nimal
Abstract:: The nature and extent of niparian vegetation change from 1972 to 1981 in the Willamette River Greenway in Benton and Linn Counties, Oregon was quantitatively investigated. The study was primarily by aerial imagery analysis and associated field verification. A classification of vegetation and land cover within the study area was...
Resource Type:: Masters Thesis

Prey selection by peregrine falcons during the nestling stage in Alaska

Creator:: Hunter, Robin E.
Abstract:: Proper management of peregrine falcons (Falco peregrinus) includes management of its prey. Little quantitative data on prey selection by peregrine falcons have been collected. The objective of this study was to determine species and relative abundance of prey brought to eyries by peregrine falcons during the nestling stage and to...
Resource Type:: Masters Thesis
Full Text:: --Dr. Robert Anthony, Dr. Charles Henny, and Dr. Gordon Matzke. I am indebted to Paul Liedberg, U. S

A Methodology to directly input data from an uncontrolled aerial photograph into a vector based geographic information system

Creator:: Sneed, Jacquelin M.
Abstract:: Historically the U.S. Forest Service has used uncorrected aerial photographs to delineate proposed and past management activities on the land base it manages. Transferring a boundary from an image not planimetrically correct to a planimetrically corrected image introduces errors. Positional accuracy of boundaries affects the number of acres the Forest...
Resource Type:: Masters Thesis
Full Text:: Kimerling, Dr. Gordon Matzke, Dennis White and Dr. Alan Niem for their guidance and editorial help. Thanks

Ecology of Columbian black-tailed deer fawns in western Oregon

Creator:: Pamplin, Nathan P.
Abstract:: Little is known about Columbian black-tailed deer (Odocoileus hemionus columbianus) because of their elusive nature and the logistical difficulty of studying them in densely forested and mountainous terrain. The Oregon Department of Fish and Wildlife has identified fawn survival as an important gap in the current knowledge of demography and...
Resource Type:: Masters Thesis
Full Text:: serving on my committee and I thank Dr. Gordon Matzke for serving as my graduate committee representative

Effects of livestock grazing and small mammal populations on endangered Bradshaw's desert parsley (Lomatium bradshawii) at Oak Creek, Willamette Valley, Oregon

Creator:: Drew, Aaron D.
Abstract:: I evaluated the response of the federally listed endangered plant species Bradshaw's desert parsley (Lomatium bradshawii) to livestock grazing and small mammal depredation at Oak Creek, Linn County, Oregon, 1997-1998. I established six study blocks (three each in wooded and herbaceous pastures) with plots in each block randomly assigned to...
Resource Type:: Masters Thesis
Full Text:: (Oregon State University, Department of Fisheries and Wildlife), and Gordon E. Matzke (Oregon State

ScholarsArchive@OSU

A multi-trophic level examination of recreational impacts on a national wild and scenic river

Ecology of breeding burrowing owls in the Columbia Basin, Oregon

A model of campsite choice in dispersed recreation settings

The use of suburban habitats by Columbian black-tailed deer

Vegetation changes in the Willamette River Greenway, Benton and Linn Counties, Oregon, 1972-1981

Prey selection by peregrine falcons during the nestling stage in Alaska

A Methodology to directly input data from an uncontrolled aerial photograph into a vector based geographic information system

Ecology of Columbian black-tailed deer fawns in western Oregon

Effects of livestock grazing and small mammal populations on endangered Bradshaw's desert parsley (Lomatium bradshawii) at Oak Creek, Willamette Valley, Oregon

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