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Epizootiology of leptospirosis in some wild mammals in western Oregon

Creator:: Stewart, Thomas Walter
Abstract:: Two hundred thirteen mammals were captured on two study areas between April 1976 and August 1977. Samples of urine and kidney tissue from 202 mammals were cultured on media suitable for leptospiral growth. Leptospiral organisms were not isolated from tissue cultures. Sera from 88 mammals were examined by the microscopic...
Resource Type:: Masters Thesis
Full Text:: AKNOWLEDGEMENTS I would like to thank B. J. Verts and Theodore P. Kistner for their advice and guidance during

Biology of the Rex sole, Glyptocephalus zachirus Lockington, in waters off Oregon

Creator:: Hosie, Michael J.
Abstract:: Data are presented on the life history and population dynamics of rex sole (Glyptocephalus zachirus Lockington) collected from Oregon waters between September 1969 and October 1973. Length-weight relationships vary little between sexes or with time of year. Otolith annuli form primarily from January through May and were used for age...
Resource Type:: Masters Thesis
Full Text:: Barbara, California northward through the Queen Charlotte Islands in British Columbia (Appendix Table 1

An analysis of the population dynamics of selected avian species

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:: . 44).j). 70 (2. 06)+0. 85 2. 11+0. 88 2. 05+0. 77 2. 06+0. 80 Sample size 17 2 9 11 18 16 54 219 289

Long-term variation in growth of Dover sole (Microstomous pacificus) and English sole (Parophrys vetulus), and its possible relationship with upwelling

Creator:: Kreuz, Keith Francis
Abstract:: Variation in growth rate of Dover sole (Microstomous pacificus) off Astoria and Brookings, and English sole (Parophrys vetulus) growth off Astoria and Coos Bay, Oregon was studied using the distance between annuli on scales and interoperculum bones indicating growth rate for Dover sole and English sole respectively. The age at...
Resource Type:: Masters Thesis
Full Text:: - mercially important from Santa Barbara to British Columbia (Allen and Mearns 1976) In managing a fishery

Distribution of Pacific herring spawn in Yaquina Bay, Oregon, and observations on mortality through hatching

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
Full Text:: , spawning begins in the last week of March (Taylor, 1964). Within each inlet, spawning will generally occur

Effects of winter grazing by geese on rye grass seed yield

Creator:: Clark, Sally Lynn
Resource Type:: Masters Thesis
Full Text:: winter crops may be beneficial. Taylor (1961) found foraging by geese beneficial to seed production

Evaluation of shrimp and crab processing waste as a feed supplement for mink (Mustela vison)

Creator:: Watkins, Bruce Ellsworth
Abstract:: Three products derived from shrimp processing waste (Pandalus jordani) and a protein concentrate extracted from king crab waste (Paralithodes camschatica) were evaluated as feed supplements for standard dark and sapphire pelter mink (Mustela vison) replacing approximately 10 and/or 20 percent of the protein in a standard wet diet (33 percent...
Resource Type:: Masters Thesis
Full Text:: Redacted for Privacy Dean Of GraduatPSchool Date thesis is presented August 20, 1976 Typed by Barbara

On reconciling lake classification with the evolution of four oligotrophic lakes in Oregon

Creator:: Larson, Douglas W. (Douglas William), 1949-
Resource Type:: Dissertation
Full Text:: the degree of Doctor of Philosophy June 1970 APPROVED: Assistant Pressor of Fisheries /J in

Use of range sites by pronghorns in south central Oregon

Creator:: Herrig, Daniel M.
Abstract:: Relative use by pronghorns (Antilocapra americana) of 16 range sites was studied during summer and fall of 1971 and 1972 on Hart Mountain National Antelope Refuge, an area of high desert rangeland in south central Oregon. A Relative Use Index was developed based upon 1533 observations of pronghorns located on...
Resource Type:: Masters Thesis
Full Text:: of student) in Wildlife Science (Ma j o r) presented on MASTER OF SCIENCE (Degree) (Date) Title

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:: aid, and Mr. Ralph Taylor for assistance with smoking the fish. I am thankful for editorial services

ScholarsArchive@OSU

Epizootiology of leptospirosis in some wild mammals in western Oregon

Biology of the Rex sole, Glyptocephalus zachirus Lockington, in waters off Oregon

An analysis of the population dynamics of selected avian species

Long-term variation in growth of Dover sole (Microstomous pacificus) and English sole (Parophrys vetulus), and its possible relationship with upwelling

Distribution of Pacific herring spawn in Yaquina Bay, Oregon, and observations on mortality through hatching

Effects of winter grazing by geese on rye grass seed yield

Evaluation of shrimp and crab processing waste as a feed supplement for mink (Mustela vison)

On reconciling lake classification with the evolution of four oligotrophic lakes in Oregon

Use of range sites by pronghorns in south central Oregon

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

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