Index Catalog // ScholarsArchive@OSU

Effects of o,p'-DDE on the immune system of juvenile chinook salmon (Oncorhynchus tshawytscha)

Creator:: Milston, Ruth Helen
Abstract:: Environmental factors such as chemical contamination can have immunomodulatory effects on the immune response of fish and may be contributing to the decline in salmonid populations by augmenting disease susceptibility. Xenobiotics can interfere with the immune system at several levels of complexity, and different immune cells and processes have variable...
Resource Type:: Masters Thesis
Full Text:: of Master of Science in Fisheries Science presented on August 23, 2001. Title: Effects of o,p'-DDE

Evolution and risk in conservation of Pacific salmon

Creator:: Currens, Kenneth P.
Abstract:: Identifying appropriate units for conservation requires knowledge of evolutionary patterns and risks of managing at different geographical and genetic scales. I examined genetic diversity at different geographical scales among 11,400 rainbow trout (Oncorhynchus mykiss) from 243 locations in 13 major river basins throughout much of their range and among coho...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS OF Kenneth P. Currens for the degree

Seasonal life history of Oncorhynchus mykiss in the South Fork John Day River Basin, Oregon

Creator:: Tattam, Ian A.
Abstract:: Understanding seasonal changes in growth, survival, and movement rates is crucial to salmonid management. These life history characteristics provide a context for evaluation of management actions. We evaluated the life history of individually marked Oncorhynchus mykiss gairdneri in the South Fork John Day River basin in Northeastern Oregon. This thesis...
Resource Type:: Masters Thesis
Full Text:: consecutive seasons. Growth rate varied significantly with season (F3,88 = 62.56, P < 0.0001), with most

Evaluating space use and pesticide exposure risk for burrowing owls in an agricultural environment

Creator:: Gervais, Jennifer A.
Abstract:: Large burrowing owl (Aihene cunicularia) populations exist in areas of intensive agriculture in California, and pesticide exposure has been identified as a potential threat to population persistence. I evaluated breeding season use of agricultural fields by adult male owls using radio telemetry, and examined egg contaminant residues to estimate population-level...
Resource Type:: Dissertation
Full Text:: 5 years. Egg contaminants were generally limited to the presence of p,p'DDE, which fluctuated by 4

Body Size and Growth Rate Influence Emigration Timing of Oncorhynchus mykiss

Creator:: Tattam, Ian A., Ruzycki, James R., Li, Hiram W., and Giannico, Guillermo R.
Abstract:: Juvenile Oncorhynchus mykiss migrate extensively in freshwater during fall. We used individual tagging to study the spatial origin, influences, and outcomes of fall migration on fish that emigrated from summer rearing tributaries during fall (early-emigrants) and those that did not (late-emigrants) in the South Fork John Day River, Oregon. Fall...
Resource Type:: Article
Full Text:: (Riddell and Leggett 1981) and within (Roni and Quinn 2001; 36 Steingrimmson and Grant 2003; Roni et al

Variation in mitochondrial DNA and allozymes discriminates early and late forms of chinook salmon (Oncorhynchus tshawytscha) in the Kenai and Kasilof Rivers, Alaska

Creator:: Adams, Noah Swayambhu
Abstract:: Genetic differences between early and late forms of Alaskan chinook salmon (Oncorhynchus tshawytscha) were identified using two genetic approaches: mitochondrial DNA (mtDNA) analysis and protein electrophoresis. The study populations consisted of early- and late-run chinook salmon in each of the Kenai and Kasilof rivers in Alaska, and a single population...
Resource Type:: Masters Thesis
Full Text:: Kenneth P. Currens for constant guidance and advice throughout my thesis program. I thank Orvie

Effects of juvenile steelhead on juvenile chinook salmon behavior and physiology

Creator:: Kelsey, D. A., Schreck, Carl B., Congleton, J. L., and Davis, L. E.
Abstract:: Experiments were designed to determine whether and how steelhead Oncorhynchus mykiss affect chinook salmon O. tshawytscha when the two species are confined together. In a behavioral experiment, we observed groups of juvenile chinook salmon and steelhead together and groups of chinook salmon alone to determine whether the steelhead were aggressive...
Resource Type:: Article
Full Text:: to be statistically sig- nificant when the P-value was less than 0.05. Physiological responses.—In a

Otolith Morphometrics as a Tool for Conservation and Management of Chinook Salmon (Oncorhynchus tshawytscha)

Creator:: Koeberle, Alexander L.
Abstract:: Chinook salmon are widely distributed across the globe with native stocks in the North Pacific Ocean and self-sustained populations introduced to regions in the Northern and Southern Hemispheres. Pacific salmon are economically and ecologically important to the Pacific Northwest, USA, yet several wild populations are federally listed as endangered or...
Resource Type:: Masters Thesis
Full Text:: . Fish Bull, 88: 657-666. Kareiva, P., Marvier, M. and M. McClure. 2000. Recovery and management

Effects of steelhead trout (Oncorhynchus mykiss) on chinook salmon (O. tshawytscha) behavior and physiology

Creator:: Kelsey, Denise A.
Abstract:: Three experiments were designed to determine if and how steelhead trout, Oncorhynchus mykiss, may affect chinook salmon, O. tshawytscha, when they are confined together as in a raceway or on a barge. We observed groups of chinook and steelhead together and groups of only chinook in a behavioral experiment to...
Resource Type:: Masters Thesis
Full Text:: 41 APPENDICES 45 Appendix 1 Exact p-values comparing aggressive acts in treatments 46 Appendix 2

Geographical and seasonal variation in diel habitat use by juvenile (age 1+) steelhead trout (Oncorhynchus mykiss) in Oregon coastal and inland streams

Creator:: Grunbaum, Jon Benjamin
Resource Type:: Masters Thesis
Full Text:: ) was related to fish size. Significant (P < 0.05 ) differences in microhabitat use is indicated by

ScholarsArchive@OSU

Effects of o,p'-DDE on the immune system of juvenile chinook salmon (Oncorhynchus tshawytscha)

Evolution and risk in conservation of Pacific salmon

Seasonal life history of Oncorhynchus mykiss in the South Fork John Day River Basin, Oregon

Evaluating space use and pesticide exposure risk for burrowing owls in an agricultural environment

Body Size and Growth Rate Influence Emigration Timing of Oncorhynchus mykiss

Variation in mitochondrial DNA and allozymes discriminates early and late forms of chinook salmon (Oncorhynchus tshawytscha) in the Kenai and Kasilof Rivers, Alaska

Effects of juvenile steelhead on juvenile chinook salmon behavior and physiology

Otolith Morphometrics as a Tool for Conservation and Management of Chinook Salmon (Oncorhynchus tshawytscha)

Effects of steelhead trout (Oncorhynchus mykiss) on chinook salmon (O. tshawytscha) behavior and physiology

Geographical and seasonal variation in diel habitat use by juvenile (age 1+) steelhead trout (Oncorhynchus mykiss) in Oregon coastal and inland streams

Limit your search

Academic Affiliation

Advisor

Commencement Year

Committee Member

Creator

Contributor

Date

Decade

Degree Field

Degree Level

Degree Name

File Format

Language

License

Location

Non-Academic Affiliation

Peer Reviewed

Resource Type

Rights Statement

Subject

Search Constraints

Search Results

Limit your search