Index Catalog // ScholarsArchive@OSU

Patterns of loggerhead turtle ontogenetic shifts revealed through isotopic analysis of annual skeletal growth increments

Creator:: Ramirez, Matthew D., Avens, Larisa, Seminoff, Jeffrey A., Goshe, Lisa R., and Heppell, Selina S.
Abstract:: Ontogenetic changes in resource use often delimit transitions between life stages. Ecological and individual factors can cause variation in the timing and consistency of these transitions, ultimately affecting community and population dynamics through changes in growth and survival. Therefore, it is important to document and understand behavioral and life history...
Resource Type:: Article
Full Text:: ., Avens, L., Seminoff, J. A., Goshe, L. R., & Heppell, S. S. (2015). Patterns of loggerhead turtle

IN MEMORIAM James R. Sedell (July 5, 1944 – August 18, 2012)

Creator:: Bisson, Pete, Reeves, Gordie, and Gregory, Stan
Resource Type:: Article
Full Text:: James R. Sedell (July 5, 1944 – August 18, 2012

Estimation of transmission dynamics of the Ceratomyxa shasta actinospore to the salmonid host

Creator:: Ray, R. A. and Bartholomew, J. L.
Abstract:: Transmission dynamics of the actinospore stage of Ceratomyxa shasta to the salmonid host were investigated under field and laboratory conditions. The number of parasites transmitted and the transmission rate were compared between 2 different exposure durations and also among different water velocities, by means of field exposures. Under laboratory conditions,...
Resource Type:: Article
Full Text:: Ceratomyxa shasta actinospore to the salmonid host R. A. RAY1 and J. L. BARTHOLOMEW2* 1Department of

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:: explanatory variables. FL and growth were not 191 correlated (r = 0.06, P = 0.67). There was evidence of a

Juvenile coho salmon movement, growth and survival in a coastal basin of southern Oregon

Creator:: Weybright, Adam D. and Giannico, Guillermo R.
Abstract:: Juvenile salmonids display highly variable spatial and temporal patterns of early dispersal that are influenced by density-dependent and density-independent factors. Although juvenile coho salmon (Oncorhynchus kisutch) movement patterns in streams and their relationship with body mass and growth have been examined in previous studies, most observations were limited to one...
Resource Type:: Article

Is the diet of a typical shredder related to the physical habitat of headwater streams in the Brazilian Cerrado?

Creator:: Ferreira, Wander R., Ligeiro, Raphael, Macedo, Diego R., Hughes, Robert M., Kaufmann, Philip R., Oliveira, Leandro G., and Callisto, Marcos
Abstract:: Macroinvertebrates are important for processing leaf detritus in temperate streams, but studies about their role in tropical streams often present conflicting results. Via digestive tract analyses, we assessed the diets of Phylloicus sp. larvae (Trichoptera: Calamoceratidae), collected from streams of two southeastern Brazil river basins (Araguari, Sao Francisco). We classified...
Resource Type:: Article
Full Text:: . R., Hughes, R. M., Kaufmann, P. R., Oliveira, L. G., & Callisto, M. (2015). Is the diet of a

The influence of release strategy and migration history on capture rate of Oncorhynchus mykiss in a rotary screw trap

Creator:: Tattam, Ian A., Ruzycki, James R., Bayley, Peter B., Li, Hiram W., and Giannico, Guillermo R.
Abstract:: Rotary screw traps are used throughout the West Coast of North America to capture emigrating juvenile salmonids. Calibrating the capture efficiency of each trap is essential for valid estimates of fish passage. We released Passive Integrated Transponder (PIT) tagged Oncorhynchus mykiss upstream of a rotary screw trap in the South...
Resource Type:: Article
Full Text:: N. C. Parker, A. E. Giorgi, R. C. Hedinger, D. B. Jester, Jr., E. D. Prince, and G. 408 A. Winans

Estimating Habitat-Specific Abundances of PIT-Tagged Juvenile Salmonids Using Mobile Antennas: A Comparison with Standard Electrofishing Techniques in a Small Stream

Creator:: Sloat, Matthew R., Baker, Peter F., and Ligon, Franklin K.
Abstract:: The use of passive integrated transponder (PIT) tags in ecological studies is increasingly common, but evaluations of their performance and range of application in the field are still emerging. Here, we compare habitat unit–scale abundance estimates of PIT-tagged juvenile coho salmon Oncorhynchus kisutch and steelhead O. mykiss derived from multiple-pass...
Resource Type:: Article
Full Text:: with Standard Electrofishing Techniques in a Small Stream Matthew R. Sloat*1 and Peter F. Baker

Colonization and extinction in dynamic habitats: an occupancy approach for a Great Plains stream fish assemblage

Creator:: Falke, Jeffrey A., Bailey, Larissa L., Fausch, Kurt D., and Bestgen, Kevin R.
Abstract:: Despite the importance of habitat in determining species distribution and persistence, habitat dynamics are rarely modeled in studies of metapopulations. We used an integrated habitat-occupancy model to simultaneously quantify habitat change, site fidelity, and local colonization and extinction rates for larvae of a suite of Great Plains stream fishes in...
Resource Type:: Article
Full Text:: state m in year t, and R ½m� tþ1, the conditional probability that a wet site is occupied in year tþ1

Factors influencing density, distribution, and mesohabitat selection of juvenile wild salmonids and residual hatchery winter steelhead

Creator:: Brignon, William R., Olson, Douglas E., Schaller, Howard A., and Schreck, Carl B.
Abstract:: To best manage Eagle Creek National Fish Hatchery, negative interactions between hatchery salmonids and Endangered Species Act listed wild salmonids in the Eagle Creek Basin need to be minimized. Our objectives were: 1) to compare summer rearing densities in two similar streams, where one stream received a release of hatchery...
Resource Type:: Article
Full Text:: selection of juvenile wild salmonids and residual hatchery winter steelhead William R. Brignon a,b

ScholarsArchive@OSU

Patterns of loggerhead turtle ontogenetic shifts revealed through isotopic analysis of annual skeletal growth increments

IN MEMORIAM James R. Sedell (July 5, 1944 – August 18, 2012)

Estimation of transmission dynamics of the Ceratomyxa shasta actinospore to the salmonid host

Body Size and Growth Rate Influence Emigration Timing of Oncorhynchus mykiss

Juvenile coho salmon movement, growth and survival in a coastal basin of southern Oregon

Is the diet of a typical shredder related to the physical habitat of headwater streams in the Brazilian Cerrado?

The influence of release strategy and migration history on capture rate of Oncorhynchus mykiss in a rotary screw trap

Estimating Habitat-Specific Abundances of PIT-Tagged Juvenile Salmonids Using Mobile Antennas: A Comparison with Standard Electrofishing Techniques in a Small Stream

Colonization and extinction in dynamic habitats: an occupancy approach for a Great Plains stream fish assemblage

Factors influencing density, distribution, and mesohabitat selection of juvenile wild salmonids and residual hatchery winter steelhead

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