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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:: us from operating a PIT array on Black Canyon Creek. To 156 avoid bias, we did not use data from

Creator:: Schreck, Carl B. and Li, Hiram W.
Abstract:: We evaluated the effects of the McNary Dam transportation system on emigrating fall and spring chinook smolts using physiological indices of stress (e.g., plasma cortisol, hepatic glycogen, leucocrit, interrenal cell nuclear diameter) and performance tests (e.g., saltwater challenge, secondary stress challenge, disease resistance). We also conducted controlled experiments in a...
Resource Type:: Technical Report
Full Text:: Wildlife Oregon State University Corvallis, Oregon 97331 U.S. Army Corps of Engineers Contract No

Creator:: Williamson, Kenneth J., Bella, David A., Beschta, Robert L., Grant, Gordon, Klingeman, Peter C., Li, Hiram W., and Nelson, Peter O.
Abstract:: In this report, a response is given to the charge of this study. Volume I: Summary Report includes a synopsis of the technical considerations followed by the main findings and recommendations. The full technical background for these summary statements is given in detail in Volume II: Technical Background Report, and...
Resource Type:: Technical Report
Full Text:: ofthe technical considerations followed by the main findings and reconunendations. The full technical

Creator:: Williamson, Kenneth J., Bella, David A., Beschta, Robert L., Grant, Gordon, Klingeman, Peter C., Li, Hiram W., Nelson, Peter O., Castillo, Gonzalo, Lorz, Tom, Meleason, Mark, Minear, Paula, Moret, Stephanie, Nam, Ilgi, Reiter, Maryanne, and Wieland, Lisa
Abstract:: A report for the Oregon Division of State Lands.
Resource Type:: Technical Report
Full Text:: Stream Health VOLUME II: TECHNICAL BACKGROUND REPORT A report for the Oregon Division of State Lands

Creator:: Feldhaus, Joseph W., Heppell, Scott A., Mesa, Matthew G., and Li, Hiram W.
Abstract:: This study examined the potentially stressful effects of tagging juvenile rainbow trout Oncorhynchus mykiss with passive integrated transponder (PIT) tags by measuring short-term (<120-h) changes in plasma concentrations of cortisol and hepatic heat shock protein 70 (hsp70). In a laboratory experiment, plasma cortisol levels were measured in fish before they...
Resource Type:: Article
Full Text:: significant difference in plasma cortisol levels between treatment groups at 6 h. There were no significant

Creator:: Li, Hiram W., Schreck, Carl B., Tubb, Richard A., Rodnick, Kenneth, Alhgren, Marie, Crook, Amy, Oregon Cooperative Fishery Research Unit, Oregon State University. Department of Fisheries and Wildlife, Oregon State University. Water Resources Research Institute, and United States. Bureau of Reclamation
Resource Type:: Technical Report
Full Text:: Fishery Research Uni t Department of Fisheries and Wildlif e Oregon State University FINAL TECHNICAL

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:: will reduce predation and 77 mimic natural movement patterns. There has been no evaluation of

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