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Creator:: Kruse, Amy Ellen
Abstract:: The objectives of this study were to (1) describe physical environmental conditions and species composition at several sites along an Upstream/downstream gradient in a number of tributaries of the Willamette River in western Oregon; and (2) identify possible relationships between species distributional patterns and physical habitat parameters using detrended correspondence...
Resource Type:: Masters Thesis
Full Text:: graduate committee, Dr. Jim Hall and Dr. Roger Petersen for the opportunity to do this study and their

Creator:: Beaty, Roy E.
Abstract:: The average size and age of chinook salmon (Oncorhynchus tshawytscha) caught in commercial fisheries along the Pacific Coast of North America have decreased substantially in this century. These declines might be caused in part by changes in size and age at maturity within the stocks contributing to those fisheries. Upriver...
Resource Type:: Masters Thesis
Full Text:: graduate committee members -- Dr. Roger Petersen (emeritus), Dr. Cliff Pereira, and particularly Dr. Phil

Creator:: Kunkel, Clair
Abstract:: The red-band trout is native to many small, isolated streams in southeastern Oregon. A study of the red-band population of Three- mile Creek and Reservoir was conducted from August 1973 to June 1975. Data were collected concerning population size, age composition, growth, biomass, recruitment, fecundity, and habitat. During the spring...
Resource Type:: Masters Thesis

Creator:: Carlson, Harry Richard
Abstract:: The distribution of adult Pacific herring (Clupea harengue pallasi) near Auke Bay, Lynn Canal, southeastern Alaska, varied by depth and geographic area over 24 successive months during 1973-75. From June through September, schools concentrated at 5- to 37-m depths where zooplankton was abundant, and moderate currents were present in a...
Resource Type:: Dissertation
Full Text:: doctorate. I wish to thank my committee members, Dr. Charles E. Warren, Dr. Howard F. Horton, Dr. Roger 6

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