The specific objectives of the study were to determine the
sociological and economic considerations of the private landowners
and managers in Grant County, Oregon regarding their tolerances
of mule deer (Odocoileus hemionus)and deer hunters on their properties,
determine the attitudes of hunters who hunted deer in Grant
County in 1973...
Within the tested range of 1000 - 7000 eyed eggs/ft² gravel substrate (1.08 - 7.53 eggs/cm²), the optimum stocking density for chum salmon (Oncorhynchus keta) eggs in shallow matrix substrate incubators occurred at 3000 - 4000 eggs/ft². Premature fry, which predominated early emergence, showed greater variability in lipid content than...
Relative effects of light, nutrients, and grazing on primary production were investigated in streams in the Cascade Mountains of Oregon and in laboratory streams. Relative magnitudes of primary production and associated processes were examined for one year in a stream that flowed through a clearcut and an old-growth forest in...
The occurrence of band-tailed pigeons (Columba fasciata) three mineral sites in Western Oregon was studied during the summers of 1974-1976. Objectives of the study were o: determine seasonal patterns of utilization of mineral sites by pigeons of different sex and age classes; determine productivity of pigeon populations associated with Mineral...
For my research goals I addressed the theoretical importance of
competition in habitat selection of 2 quails and examined the use of
resources in peripheral and core areas. Methodological objectives
were to determine cover and food selection of Texas bobwhite (Colinus
virginianus texanus) and chestnut-bellied scaled quail (Callipepla
squamata castanogastris)...
The metabolic clearance rate (MCR) of plasma radioactivity after a
single intracardial injection of ³H-cortisol was elevated during the
Spring in yearling coho salmon, Oncorhynchus kisutch. The reasons for
this increase in MCR are not clear, but graphical analysis suggested
that there may be a seasonal correlation between MCR and...
A possible form of a theory of exploitation of fish populations was examined. The exploitation theory was derived from a theory of community dynamics that represents the interactions between populations in a biological community with complex interrelated systems of isoclines on phase planes. The isocline systems are deduced, with a...