Index Catalog // ScholarsArchive@OSU

Effect of forecast skill on management of the Oregon coast coho salmon (Oncorhynchus kisutch) fishery

Creator:: Rupp, David E., Wainwright, Thomas C., and Lawson, Peter W.
Abstract:: Better fisheries management is often given as one justification for research on improving forecasts of fish survival. However, the value gained from expected improvements in forecast skill in terms of achieving management goals is rarely quantified as part of research objectives. Using Monte Carlo simulations of population dynamics, we assessed...
Resource Type:: Article
Full Text:: (National Ma- rine Fisheries Service 2011). Since 1995, the Oregon Plan for Salmon and Watersheds (Oregon

Using expressed behaviour of coho salmon (Oncorhynchus kisutch) to evaluate the vulnerability of upriver migrants under future hydrological regimes: Management implications and conservation planning

Creator:: Flitcroft, Rebecca, Lewis, Sarah, Arismendi, Ivan, Davis, Chante, Giannico, Guillermo, Penaluna, Brooke, Santelmann, Mary, Safeeq, Mohammad, and Snyder, Jeff
Abstract:: 1. Globally, river systems have been extensively modified through alterations in riverscapes and flow regimes, reducing their capacity to absorb geophysical and environmental changes. 2. In western North America and elsewhere, alterations in natural flow regimes and swimways through dams, levees, and floodplain development, work in concert with fire regime,...
Resource Type:: Article

Riparian litter inputs to streams in the central Oregon Coast Range

Creator:: Hart, Stephanie K., Hibbs, David E., and Perakis, Steven S.
Abstract:: Riparian-zone vegetation can influence terrestrial and aquatic food webs through variation in the amount, timing, and nutritional content of leaf and other litter inputs. We investigated how riparianforest community composition, understory density, and lateral slope shaped vertical and lateral litter inputs to 16 streams in the Oregon Coast Range. Riparian...
Resource Type:: Article
Full Text:: because large logs are critical habitat elements for invertebrates and salmon (Hairston-Strang and Ad- ams

Density of the Waterborne Parasite Ceratomyxa shasta and Its Biological Effects on Salmon

Creator:: Hallett, Sascha L., Ray, R. Adam, Hurst, Charlene N., Holt, Richard A., Buckles, Gerri R., Atkinson, Stephen D., and Bartholomew, Jerri L.
Abstract:: The myxozoan parasite Ceratomyxa shasta is a significant pathogen of juvenile salmonids in the Pacific Northwest of North America and is limiting recovery of Chinook (Oncorhynchus tshawytscha) and coho (O. kisutch) salmon populations in the Klamath River. We conducted a 5-year monitoring program that comprised concurrent sentinel fish exposures and...
Resource Type:: Article
Full Text:: -induced mortality and degree-days to death for Chinook and coho salmon and rainbow trout. April, May, and

Exploring biophysical linkages between coastal forestry management practices and aquatic bivalve contaminant exposure

Creator:: Scully-Engelmeyer, Kaegan, Granek, Elise F., Nielsen-Pincus, Max, Lanier, Andy, Rumrill, Steven S., Moran, Patrick, Nilsen, Elena, Hladik, Michelle L., and Pillsbury, Lori
Abstract:: Terrestrial land use activities present cross-ecosystem threats to riverine and marine species and processes. Specifically, pesticide runoff can disrupt hormonal, reproductive, and developmental processes in aquatic organisms, yet non-point source pollution is difficult to trace and quantify. In Oregon, U.S.A., state and federal forestry pesticide regulations, designed to meet regulatory...
Resource Type:: Article
Full Text:: /absence and relative concentrations). 2.5. Spatial Analysis of Oregon Coast Watersheds Watershed areas

Landscape characteristics and coho salmon (Oncorhynchus kisutch) distributions: explaining abundance versus occupancy

Creator:: Steel, E. A., Jensen, D. W., Burnett, K. M., Christiansen, K., Firman, J. C., Feist, B. E., Anlauf, K. J., and Larsen, D. P.
Abstract:: Distribution of fishes, both occupancy and abundance, is often correlated with landscape-scale characteristics (e.g., geology, climate, and human disturbance). Understanding these relationships is essential for effective conservation of depressed populations. We used landscape characteristics to explain the distribution of coho salmon (Oncorhynchus kisutch) in the Oregon Plan data set, one...
Resource Type:: Article
Full Text:: strategy of the Oregon Plan for Salmon and Watersheds (http://nrimp.dfw.state.or.us/OregonPlan

Context, Provenance and Technology of a Western Stemmed Tradition Artifact Cache from the Cooper's Ferry Site, Idaho

Creator:: Davis, Loren G., Nyers, Alex J., and Willis, Samuel C.
Abstract:: Spanish Abstract: El descubrimiento de un depósito de artefactos conteniendo puntas de proyectil en la Tradición de Tallo Occidental (Western Stemmed Tradition) en una fosa claramente definida, en el sitio de Cooper’s Ferry, ofrece una perspectiva única sobre la tecnología lítica temprana y organización logística en el Occidente de América...
Resource Type:: Article
Full Text:: and Samuel C. Willis Loren G. Davis and Alex J. Nyers, Oregon State University, Department

Probabilistic assessment of wildfire hazard and municipal watershed exposure

Creator:: Scott, Joe, Helmbrecht, Don, Thompson, Matthew P., Calkin, David E., and Marcille, Kate
Abstract:: The occurrence of wildfires within municipal watersheds can result in significant impacts to water quality and ultimately human health and safety. In this paper, we illustrate the application of geospatial analysis and burn probability modeling to assess the exposure of municipal watersheds to wildfire. Our assessment of wildfire exposure consists...
Resource Type:: Article
Full Text:: ). Consideration of watershed health and integrity across the forest is important for numerous reasons. Forests

Mortality of Coho Salmon (Oncorhynchus kisutch) Associated with Burdens of Multiple Parasite Species

Creator:: Ferguson, Jayde, Koketsu, Wataru, Ninomiya, Ikuo, Rossignol, Philippe A., Jacobson, Kym C., and Kent, Michael L.
Abstract:: Multiple analytical techniques were used to evaluate the impact of multiple parasite species on the mortality of threatened juvenile coho salmon (Oncorhynchus kisutch) from the West Fork Smith River, Oregon, USA. We also proposed a novel parsimonious mathematical representation of macroparasite distribution, congestion rate, which i) is easier to use...
Resource Type:: Article
Full Text:: coho salmon life stages. Samples of parr and smolts for fish from brood years 2007 and 2008 were

Riverscape Patterns among Years of Juvenile Coho Salmon in Midcoastal Oregon: Implications for Conservation

Creator:: Flitcroft, R., Burnett, K., Snyder, J., Reeves, G., and Ganio, L.
Abstract:: Patterns of salmon distribution throughout a riverscape may be expected to change over time in response to environmental conditions and population sizes. Changing patterns of use, including identification of consistently occupied locations, are informative for conservation and recovery planning. We explored interannual patterns of distribution by juvenile Coho Salmon Oncorhynchus...
Resource Type:: Article
Full Text:: Salmon abundance were available for the Alsea and Siletz River from the Oregon Department of Fish and

ScholarsArchive@OSU

Effect of forecast skill on management of the Oregon coast coho salmon (Oncorhynchus kisutch) fishery

Using expressed behaviour of coho salmon (Oncorhynchus kisutch) to evaluate the vulnerability of upriver migrants under future hydrological regimes: Management implications and conservation planning

Riparian litter inputs to streams in the central Oregon Coast Range

Density of the Waterborne Parasite Ceratomyxa shasta and Its Biological Effects on Salmon

Exploring biophysical linkages between coastal forestry management practices and aquatic bivalve contaminant exposure

Landscape characteristics and coho salmon (Oncorhynchus kisutch) distributions: explaining abundance versus occupancy

Context, Provenance and Technology of a Western Stemmed Tradition Artifact Cache from the Cooper's Ferry Site, Idaho

Probabilistic assessment of wildfire hazard and municipal watershed exposure

Mortality of Coho Salmon (Oncorhynchus kisutch) Associated with Burdens of Multiple Parasite Species

Riverscape Patterns among Years of Juvenile Coho Salmon in Midcoastal Oregon: Implications for Conservation

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