Index Catalog // ScholarsArchive@OSU

Natality of black-tailed deer in McDonald State Forest

Creator:: Jordan, Jack William
Abstract:: Natality of black-tailed deer in McDonald State Forest was determined by examination of 147 reproductive tracts. Yearlings collected from November of 1968 to May of 1970 had an average of 0.79 corpora lutea per doe, and adults 1.76 corpora lutea per doe. Yearlings collected during the spring in 1969 and...
Resource Type:: Masters Thesis

The influence of sex, migration distance, and latitude on expression of anadromy in Oncorhynchus mykiss

Creator:: Ohms, Haley
Abstract:: The evolution and maintenance of multiple phenotypes within populations is an interesting evolutionary and ecological question, and is becoming increasingly important for the restoration and conservation of partially migratory species. In particular, why individuals adopt a particular phenotype has been the focus of numerous research efforts. In the partially migratory...
Resource Type:: Masters Thesis
Full Text:: patience and kindness. To Chris Jordan, for pushing me to read outside the fish literature, for thought

Patterns of natural selection and demography in coastal Oregon coho salmon (Oncorhynchus kisutch) populations : evidence from neutral and olfactory receptor gene-linked markers

Creator:: Johnson, Marc Aaron
Abstract:: For Pacific salmon, the evolution of local adaptations depends upon the species' propensity to return, or "home", to natal streams at time of reproduction. Pacific salmon use olfactory cues to guide homing behavior, yet little is known about the genetics of olfaction in salmon. In this study, I use putatively...
Resource Type:: Dissertation
Full Text:: graduate committee members, Andy Dittman, Bill Jordan, Chris Mundt and David L. G. Noakes, have each

Behavioral constraints on harlequin duck population recovery from the Exxon Valdez oil spill in Prince William Sound, Alaska

Creator:: Rizzolo, Daniel J.
Abstract:: I investigated the relationship between harlequin duck (Histrionicus histrionicus) behavior and lack of recovery from the Exxon Valdez oil spill in Prince William Sound, Alaska. First, I evaluated the hypothesis that harlequin ducks in winter have little flexibility to increase foraging time in response to disturbance because they are constrained...
Resource Type:: Masters Thesis
Full Text:: on Harlequin Duck Population Recovery from the Exxon Valdez Oil Spill in Prince William Sound, Alaska

Heterogeneous thermal habitat for northeast Oregon stream fishes

Creator:: Ebersole, Joseph L.
Abstract:: Discrete coldwater patches within warm streams provide potential thermal refuge for coldwater fishes during periods of heat stress. This analysis focused on heterogeneity in stream water temperatures as influenced by local influx of cooler subsurface waters. Using field thermal probes and recording thermistors, we identified and characterized coldwater patches potentially...
Resource Type:: Dissertation
Full Text:: Thermal Habitat for Northeast Oregon Stream Fishes. Abstract approved: William J. Liss Discrete

Variability in expression of anadromy by female Oncorhynchus mykiss within a river network

Creator:: Mills, Justin S., Dunham, Jason B., Reeves, Gordon H., McMillan, John R., Zimmerman, Christian E., and Jordan, Chris E.
Abstract:: We described and predicted spatial variation in marine migration (anadromy) of female Oncorhynchus mykiss in the John Day River watershed, Oregon. We collected 149 juvenile O. mykiss across 72 sites and identified locations used by anadromous females by assigning maternal origin (anadromous versus non-anadromous) to each juvenile. These assignments used...
Resource Type:: Article
Full Text:: & Christian E. Zimmerman & Chris E. Jordan Received: 24 January 2011 /Accepted: 24 October 2011 /Published

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

Life-history organization of cutthroat trout in Yellowstone Lake and its management implications

Creator:: Gresswell, Robert E.
Abstract:: Life-history organization of the cutthroat trout (Oncorhvnchus clarki) may be viewed at various levels, including species, subspecies, metapopulation, population, or individual. Each level varies in spatial scale and temporal persistence, and components at each level continually change with changes in environment. Cutthroat trout are widely distributed throughout the western USA,...
Resource Type:: Dissertation
Full Text:: : William J. Liss Abstract approved: Gary L. Larson Life-history organization of the cutthroat trout

Comparisons of fish assemblages and habitat associations in littoral zones of reservoirs in the Willamette Basin, Oregon

Creator:: Bennett, Paul Michael
Abstract:: The littoral zones of seven reservoirs in the southern Willamette Valley of Oregon were sampled with a boat electroshocker during the summer months of 1995 and 1996. Shoreline substrates were inventoried before sampling sites were randomly selected. Sampling sites consisted of 9 of 12 possible habitat types including four substrate...
Resource Type:: Masters Thesis
Full Text:: Forest), William Davies (retired, Professor of Fisheries, Auburn University), and Wayne Seim (retired

Modelling dendritic ecological networks in space: an integrated network perspective

Creator:: Peterson, Erin E., Ver Hoef, Jay M., Isaak, Dan J., Falke, Jeffrey A., Fortin, Marie-Jos ee, Jordan, Chris E., McNyset, Kristina, Monestiez, Pascal, Ruesch, Aaron S., Sengupta, Aritra, Som, Nicholas, Steel, E. Ashley, Theobald, David M., Torgersen, Christian E., and Wenger, Seth J.
Abstract:: Dendritic ecological networks (DENs) are a unique form of ecological networks that exhibit a dendritic network topology (e.g. stream and cave networks or plant architecture). DENs have a dual spatial representation; as points within the network and as points in geographical space. Consequently, some analytical methods used to quantify relationships...
Resource Type:: Article
Full Text:: * Jay M. Ver Hoef,2 Dan J. Isaak,3 Jeffrey A. Falke,4 Marie-Jos�ee Fortin,5 Chris E. Jordan,6

ScholarsArchive@OSU

Natality of black-tailed deer in McDonald State Forest

The influence of sex, migration distance, and latitude on expression of anadromy in Oncorhynchus mykiss

Patterns of natural selection and demography in coastal Oregon coho salmon (Oncorhynchus kisutch) populations : evidence from neutral and olfactory receptor gene-linked markers

Behavioral constraints on harlequin duck population recovery from the Exxon Valdez oil spill in Prince William Sound, Alaska

Heterogeneous thermal habitat for northeast Oregon stream fishes

Variability in expression of anadromy by female Oncorhynchus mykiss within a river network

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

Life-history organization of cutthroat trout in Yellowstone Lake and its management implications

Comparisons of fish assemblages and habitat associations in littoral zones of reservoirs in the Willamette Basin, Oregon

Modelling dendritic ecological networks in space: an integrated network perspective

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