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Orientation and homing of the brush rabbit

Creator:: Chapman, Joseph A.
Abstract:: A study of orientation and homing in brush rabbits, Sylvilagus bachmani ubericolor (Miller), was conducted on the E. E. Wilson Game Management Area 7 miles north of Corvallis, Oregon, between July 1967 and April 1969. Sixty-seven individual rabbits were fitted with radio-transmitters and returned to the field. Home ranges were...
Resource Type:: Dissertation

Relative resistance of the Coho salmon (Oncorhynchus kisutch) and the Chinook salmon (Oncorhynchus tshawytscha) to the parasitic larvae (Glochidia) of the freshwater mussel (Margaritifera margaritifera)

Creator:: Fustish, Charles A.
Abstract:: The relative resistance of the coho salmon (Oncorhynchus kisutch) and the chinook salmon (O. tshawyscha) to the parasitic larvae (glochidia) of the freshwater mussel (Margaritifera margaritifera) was studied in an attempt to determine why the coho appeared to be more resistant. Natural and acquired antibody was sought in the mucus...
Resource Type:: Masters Thesis

Factors affecting the ecology of small mammals on Malheur National Wildlife Refuge

Creator:: Feldhamer, George A.
Resource Type:: Dissertation

Dynamics of a population of Belding's ground squirrels in Oregon

Creator:: Costain, David Bruce
Resource Type:: Masters Thesis
Full Text:: +0.23 66 7.14+0.20 3 3 8.00±1.73 3 10.30±2.73 (J.) 32 increased following a decline in population

Toward a general theory of exploitation of fish populations

Creator:: Liss, William J.
Abstract:: 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...
Resource Type:: Dissertation
Full Text:: of Doctor of Philosophy Fisheries and in Wildlife presented on March 2, 1977 Title: TOWARD A

Transferrin polymorphism in a population of Nuttall's cottontail in central Oregon

Creator:: Skalski, John Raymond
Abstract:: Temporal changes in gene frequencies and genotype frequencies, monthly densities, survival rates, growth rates, trap susceptibility and home ranges were evaluated from 291 Nuttall's cottontails (Sylvilagus nuttallii) captured 950 times by livetrapping and 53 cottontails collected by shooting. Electrophoretic analyses of sera revealed protein polymorphism at the transferrin locus in...
Resource Type:: Masters Thesis
Full Text:: = B x 100 J = Estimated survivel rate of juveniles for a specific litter group 12 B = Number of

Dynamics of a population of mountain cottontail rabbits in central Oregon

Creator:: McKay, Donald Oren
Abstract:: Data from 186 mountain cottontail rabbits (Sylvilaus nuttallii) captured 455 times by livetrapping and from 46 rabbits collected by shooting were evaluated to determine monthly densities, survival rates, extent of movements, dispersion in relation to habitat types, and criteria for determining ages of mountain cottontails. Estimates of density computed for...
Resource Type:: Masters Thesis

The chronic toxicity of 2,3,7,8-tetra-chlorodibenzo-p-dioxin (TCDD) to five selected aquatic organisms

Creator:: Miller, Richard A.
Abstract:: Five species of aquatic organisms were exposed to TCDD. Lethal effects of initial exposure to coho salmon of 23.4 nanogram TCDD/gram fish wet weight (23.4 ng/g), or equivalent to 100 nanogram per liter (100 ng/l) TCDD in water, for 24 hours were irreversible; 95% mortality occurred in 60 days. Exposure...
Resource Type:: Masters Thesis
Full Text:: time less than either level of exposure or fish size. A positive relationship exists between body

An analysis of avian communities on a dredged material island

Creator:: Edwards, Daniel K.
Resource Type:: Masters Thesis
Full Text:: concluded that the equita- bility (J') (a measure of apportionment of individuals among species) remained

Infection, histopathology and migration of Anisakis sp. (Nematoda:Heterocheiloidea) in Pacific herring (Clupea harengus pallasi) from Yaquina Bay, Oregon

Creator:: Hauck, Arthur Kent
Resource Type:: Masters Thesis
Full Text:: : Richard A. Tubb Infection, histopathologic, and migration studies of Anisakis sp. larvae Dujardin, 1845

ScholarsArchive@OSU

Orientation and homing of the brush rabbit

Relative resistance of the Coho salmon (Oncorhynchus kisutch) and the Chinook salmon (Oncorhynchus tshawytscha) to the parasitic larvae (Glochidia) of the freshwater mussel (Margaritifera margaritifera)

Factors affecting the ecology of small mammals on Malheur National Wildlife Refuge

Dynamics of a population of Belding's ground squirrels in Oregon

Toward a general theory of exploitation of fish populations

Transferrin polymorphism in a population of Nuttall's cottontail in central Oregon

Dynamics of a population of mountain cottontail rabbits in central Oregon

The chronic toxicity of 2,3,7,8-tetra-chlorodibenzo-p-dioxin (TCDD) to five selected aquatic organisms

An analysis of avian communities on a dredged material island

Infection, histopathology and migration of Anisakis sp. (Nematoda:Heterocheiloidea) in Pacific herring (Clupea harengus pallasi) from Yaquina Bay, Oregon

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