As part of investigations to evaluate the suitability of sheep grazing in Douglas-fir (Pseudotsuga menziesii) plantations of Oregon's Coast Range, this research was designed to evaluate the effectiveness of sheep grazing in suppressing unwanted vegetation, determine seasonal variations in forage quality, and investigate the impact of sheep grazing on big...
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...
Published April 1983. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Number of harbor seals, counted on 32 haul-out areas in Oregon, increased by 6 - 8.8 % per year from 1975 - 1983. Percent of seals in bays has increased an average 1.8%/year, from 47% in 1975 to 61% in 1983. Along the central Oregon coast, harbor seals were most...
"This pamphlet is a pictorial guide to some of the more common intertidal plants and animals found in Oregon. It is an expansion of "A Guide to Oregon's Rocky Intertidal Areas" written by Laimons Osis in 1975. Here, the plants and animals are arranged by the tidal zone in which...