Tobyn Rhodes
Tobyn is a Fish Biologist at the Columbia River Research Laboratory, Clarkston Duty Station.
Science and Products
Filter Total Items: 14
Research, monitoring, and evaluation of emerging issues and measures to recover the Snake River fall Chinook salmon ESU, 1/1/2012 – 12/31/2013: Annual report, 1991-029-00
The portion of the Snake River fall Chinook Salmon Oncorhynchus tshawytscha ESU that spawns upstream of Lower Granite Dam transitioned from low to high abundance during 1992–2014 in association with U.S. Endangered Species Act recovery efforts and other Federally mandated actions. This annual report focuses on (1) numeric and habitat use responses by natural- and hatchery-origin spawners, (2) phen
Authors
William P. Connor, Frank Mullins, Kenneth F. Tiffan, Russell W. Perry, John M. Erhardt, Scott J. St. John, Brad K. Bickford, Tobyn N. Rhodes
Snake River fall Chinook salmon life history investigations: Annual report 2011 (April 2011 - March 2012)
Executive Summary
Chapter One – This chapter was published in the Transactions of the American Fisheries Society in 2012. We conducted a three-year radiotelemetry study in the lower Snake River to answer the questions: do fall Chinook salmon juveniles pass dams during winter when bypass systems and structures designed to prevent mortality are not operated; does downstream movement rate vary annual
Authors
Kenneth F. Tiffan, William P. Connor, Brian J. Bellgraph, Tobias J. Kock, Frank Mullins, R. Kirk Steinhorst, Helena E. Christiansen, Stephen D. McCormick, Lori A. Ortega, Kathleen M. Carter, Evan V. Arntzen, Katherine J.C. Klett, Z. Daniel Deng, Tylor K. Abel, Timothy J. Linley, Valerie I. Cullinan, Scott J. St John, John M. Erhardt, Brad K. Bickford, Amanda Schmidt, Tobyn N. Rhodes
Science and Products
Filter Total Items: 14
Research, monitoring, and evaluation of emerging issues and measures to recover the Snake River fall Chinook salmon ESU, 1/1/2012 – 12/31/2013: Annual report, 1991-029-00
The portion of the Snake River fall Chinook Salmon Oncorhynchus tshawytscha ESU that spawns upstream of Lower Granite Dam transitioned from low to high abundance during 1992–2014 in association with U.S. Endangered Species Act recovery efforts and other Federally mandated actions. This annual report focuses on (1) numeric and habitat use responses by natural- and hatchery-origin spawners, (2) phen
Authors
William P. Connor, Frank Mullins, Kenneth F. Tiffan, Russell W. Perry, John M. Erhardt, Scott J. St. John, Brad K. Bickford, Tobyn N. Rhodes
Snake River fall Chinook salmon life history investigations: Annual report 2011 (April 2011 - March 2012)
Executive Summary
Chapter One – This chapter was published in the Transactions of the American Fisheries Society in 2012. We conducted a three-year radiotelemetry study in the lower Snake River to answer the questions: do fall Chinook salmon juveniles pass dams during winter when bypass systems and structures designed to prevent mortality are not operated; does downstream movement rate vary annual
Authors
Kenneth F. Tiffan, William P. Connor, Brian J. Bellgraph, Tobias J. Kock, Frank Mullins, R. Kirk Steinhorst, Helena E. Christiansen, Stephen D. McCormick, Lori A. Ortega, Kathleen M. Carter, Evan V. Arntzen, Katherine J.C. Klett, Z. Daniel Deng, Tylor K. Abel, Timothy J. Linley, Valerie I. Cullinan, Scott J. St John, John M. Erhardt, Brad K. Bickford, Amanda Schmidt, Tobyn N. Rhodes