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A theory of resource utilization

Creator:: Booty, William Michael
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF William Michael Booty for the

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:: AN ABSTRACT OF THE THESIS OF William John Liss for the degree

The effects of sewage on the distribution and abundance of benthic animals in a Puget Sound bay

Creator:: Shapeero, William L.
Abstract:: The effects of discharged sewage on physico-chemical conditions and the distribution and abundance of marine benthic animals were studied in Shilshole Bay, a part of Puget Sound, off Seattle, Washington. For over 50 years prior to 1965, when this study was initiated, 87,300 pounds (32,400 pounds BOD) per day of...
Resource Type:: Dissertation
Full Text:: of benthic animals in a Puget Sound bay AN ABSTRACT OF THE THESIS OF William L. Shapeero for the

Use of snags by birds, Douglas-fir region, western Oregon

Creator:: Mannan, R. William
Resource Type:: Masters Thesis

Bird populations and vegetation characteristics in managed and old-growth forests, northeastern Oregon

Creator:: Mannan, R. William
Resource Type:: Dissertation

The dynamics of exploited guppy populations exposed to dieldrin

Creator:: Liss, William J.
Abstract:: Sixteen populations of guppies (Poecilia reticulata) were established in laboratory aquariums. Eight populations were exposed to dieldrin at a mean concentration of 0.525 ppb in the water and 2.11 ppm in the food, tubificid worms. Eight populations received control water and food. All populations were fed three grams of tubificid...
Resource Type:: Masters Thesis

A preliminary investigation of the spotted owl in Oregon

Creator:: Forsman, Eric D.
Abstract:: Between 1970 and 1974, data were collected on the distribution and biology of the spotted owl (Strix occidentalis) in Oregon. One-hundred and sixteen pairs and seven single birds were located. Spotted owls occurred throughout the mountains of western Oregon and on the east slope of the Cascade Range at least...
Resource Type:: Masters Thesis
Full Text:: the future were transmitted to everyone around him. I am indebted to Dr. Charles Me slow, who

Range-use estimation and encounter probability for juvenile Steller sea lions (Eumetopias jubatus) in the Prince William Sound-Kenai Fjords region of Alaska

Creator:: Meck, Stephen R.
Abstract:: Range, areas of concentrated activity, and dispersal characteristics for juvenile Steller sea lions Eumetopias jubatus in the endangered western population (west of 144° W in the Gulf of Alaska) are poorly understood. This study quantified space use by analyzing post-release telemetric tracking data from satellite transmitters externally attached to n...
Resource Type:: Masters Thesis
Full Text:: Steller Sea Lions (Eumetopias jubatus) in the Prince William Sound-Kenai Fjords Region of Alaska

A model for understanding the influence of selective and nonselective harvest on fish populations

Creator:: Hirai, Takayuki
Abstract:: To understand the influence of selective harvesting on the adaptive capacity of fish populations in changing environments, a computer simulation model was developed. In the model, hypothetical populations were composed of five different life histories, which were genetically determined. Each life history type had its own rate of survival and...
Resource Type:: Masters Thesis
Full Text:: , Dr. William J. Liss, for providing me with the opportunity to pursue this advanced degree, and for

Organization and the adaptation of aquatic laboratory ecosystems to resource availability, exploitation, and a toxicant

Creator:: Woltering, Daniel Mark
Abstract:: Organization and the adaptation of aquatic laboratory ecosystems to resource availability, exploitation, and a toxicant were examined in a 34-month study. Sixteen 560-liter microcosms including prey, predator, and competitor populations were employed over a wide range of energy and habitat resource availability and exploitation of the top predator. Chronic exposure...
Resource Type:: Dissertation

ScholarsArchive@OSU

A theory of resource utilization

Toward a general theory of exploitation of fish populations

The effects of sewage on the distribution and abundance of benthic animals in a Puget Sound bay

Use of snags by birds, Douglas-fir region, western Oregon

Bird populations and vegetation characteristics in managed and old-growth forests, northeastern Oregon

The dynamics of exploited guppy populations exposed to dieldrin

A preliminary investigation of the spotted owl in Oregon

Range-use estimation and encounter probability for juvenile Steller sea lions (Eumetopias jubatus) in the Prince William Sound-Kenai Fjords region of Alaska

A model for understanding the influence of selective and nonselective harvest on fish populations

Organization and the adaptation of aquatic laboratory ecosystems to resource availability, exploitation, and a toxicant

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