Index Catalog // ScholarsArchive@OSU

Creator:: Gavin, Thomas Alan
Abstract:: A population of Columbian white-tailed deer (CWTD) was studied on a refuge (790 ha) in southwestern Washington during 1972-77. Quality of habitat was considered good for these deer and total population size remained between 164-230 as determined by mark-recapture methods during November. Population size declined significantly between the winters of...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS OF Thomas Alan Gavin for the degree of Doctor of Philosophy in Wildlife

Creator:: Powers, Roger Alan
Abstract:: The reproductive characteristics of the mountain cottontail rabbit, Sylvilagus nuttalli (Bachman), were investigated from 269 specimens collected in central Oregon between 28 May 1968 and 28 August 1969. Male rabbits were in breeding condition between mid-February and 3 July 1969. Nearly 77% of the females bore four litters between 7...
Resource Type:: Masters Thesis
Full Text:: in Oregon AN ABSTRACT OF THE THESIS OF Roger Alan Powers in for the Master of Science (Name

Creator:: Christensen, Alan Gene
Abstract:: Prior to onset of the breeding season, a ration containing 18.4 mg/kg N-(Ethylmercuri)-p-toluene sulphonanilide was fed to 6 male and 16 female ring-necked pheasants (Phasianus colchicus). Birds receiving the mercury-treated ration were separated from the opposite sex. After receiving the mercury-treated ration for 0, 2, 4, 8, or 16 days,...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF ALAN GENE CHRISTENSEN (Name of

Creator:: Henny, Charles J.
Abstract:: The impact that pesticides may have had on the mortality rates and productivity rates of non-game birds during the last 25 years was evaluated by studying the population dynamics of 16 species. A mathematical model showing the relationships between population parameters that yielded stable populations was developed. The information needed...
Resource Type:: Dissertation
Full Text:: study and for their encouragement and assistance throughout the study. Mr. Chandler S. Robbins and Mr

Creator:: Olterman, James Howard
Abstract:: This paper lists, and gives individual accounts of, those Oregon mammals that at some time have been referred to as being of a status other than common. Although rare and endangered wildlife species were listed on a national level in the United States, the large areas of land included in...
Resource Type:: Masters Thesis
Full Text:: on an international scale in the late 1800's and early 1900's (Hayden 1942, Street 1961 Coolidge

Creator:: Steinfeld, James David
Abstract:: Studies were conducted during late winter and spring of 1970 to establish the extent of spawning of Pacific herring (Clupea harengus pallasi Valenciennes) in the Yaquina estuary, and to define the degree of egg mortality on certain substrates. Routine surveillance of the north shore of the estuary provided information on...
Resource Type:: Masters Thesis
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Creator:: Roelofs, Terry Dean
Resource Type:: Dissertation
Full Text:: abortions control P 10 48 1131.0 23.6 77.7 + S. 4 25.7 + 0. 8 (10, 59. 6) (38, 5. 8) O. 05ppb P 10 45

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