Samples of benthic organisms off the coast of Oregon, taken
from depths varying from 50 to 2900 meters, have been analyzed in
terms of diversity at a given station, and similarity and ecological
distance to other stations. Estimates of epifauna abundance were
also made. In the analysis an important distinction...
Habitat availability and use by an urban population of opossums
were studied with radio telemetry in Corvallis, Oregon in 1981 and
1982. For non-den observations, residential neighborhood types were
used about in the proportion available, agricultural/park/riverfront
neighborhood types were used in higher proportion than available, and
commercial/industrial neighborhood types were...
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...
Although short-tailed weasels (Mustela erminea) are important predators of small mammals, little is known about their space use, habitat selection, or vulnerability to predation in North America. To evaluate the effects of forest management and social structure on home range size and habitat selection of short-tailed weasels, I conducted a...
Townsend's mole, Scapanus townsendii (Bachman), was
studied by live trapping, dead trapping, and observation
from July 1961, to July 1963, in Tillamook County,
Oregon. This study was initiated at the request of Tillamook County farmers to determine biological facts that
would assist them in their efforts to control this small...