Brian Hayes
Brian is a Fish Biologist at the USGS, Klamath Falls Field Station.
Education and Certifications
B.S. 1999. Fisheries Science, Oregon State University, Corvallis, OR
Science and Products
Filter Total Items: 29
Improving inferences from fisheries capture-recapture studies through remote detection of PIT tags
Models for capture-recapture data are commonly used in analyses of the dynamics of fish and wildlife populations, especially for estimating vital parameters such as survival. Capture-recapture methods provide more reliable inferences than other methods commonly used in fisheries studies. However, for rare or elusive fish species, parameter estimation is often hampered by small probabilities of re-
Authors
David A. Hewitt, Eric C. Janney, Brian S. Hayes, Rip S. Shively
Demographics and 2008 Run Timing of Adult Lost River (Deltistes luxatus) and Shortnose (Chasmistes brevirostris) Suckers in Upper Klamath Lake
We used capture-recapture data to assess population dynamics of endangered Lost River suckers (Deltistes luxatus) and shortnose suckers (Chasmistes brevirostris) in Upper Klamath Lake, Oregon. The Cormack-Jolly-Seber method was used to estimate apparent survival probabilities, and a temporal symmetry model was used to estimate annual seniority probabilities. Information theoretic modeling was used
Authors
Eric C. Janney, Brian S. Hayes, David A. Hewitt, Patrick M. Barry, Alta Scott, Justin Koller, Mark Johnson, Greta Blackwood
Population Dynamics of Adult Lost River (Deltistes luxatus) and Shortnose (Chasmistes brevirostris) Suckers in Clear Lake Reservoir, California, 2006-08
We report results from ongoing research into the population dynamics of endangered Lost River and shortnose suckers in Clear Lake Reservoir, California. Results are included for sampling that occurred from fall 2006 to spring 2008. We summarize catches and passive integrated transponder tagging efforts from trammel net sampling in fall 2006 and fall 2007, and report on detections of tagged suckers
Authors
Patrick M. Barry, Eric C. Janney, David A. Hewitt, Brian S. Hayes, Alta C. Scott
Demographic analysis of Lost River sucker and shortnose sucker populations in Upper Klamath Lake, Oregon
We used 13 years (1995-2007) of capture-mark-recapture data to assess population dynamics of endangered Lost River suckers Deltistes luxatus and shortnose suckers Chasmistes brevirostris in Upper Klamath Lake, Oregon. The Cormack-Jolly-Seber method was used to estimate survival, and information theoretic modeling was used to assess variation due to time, gender, species, and spawning subpopulation
Authors
E.C. Janney, R.S. Shively, B.S. Hayes, P.M. Barry, D. Perkins
Demographic analysis of adult Lost River suckers and shortnose suckers in Upper Klamath Lake and its tributaries, Oregon. Annual report 2006
n/a
Authors
E.C. Janney, P.M. Barry, B.S. Hayes, R.S. Shively, A. Scott
Monitoring of Lost River (Deltistes luxatus) and shortnose (Chasmistes brevirostris) suckers in Gerber and Clear Lake reservoirs 2005-2006
n/a
Authors
P.M. Barry, B.S. Hayes, E.C. Janney, R.S. Shively, A.C. Scott, C.D. Luton
Investigations of adult Lost River, shortnose, and Klamath largescale suckers in Upper Klamath Lake and its tributaries, Oregon. Annual report 2005
n/a
Authors
P.M. Barry, B.S. Hayes, A.C. Scott, C.D. Luton, E.C. Janney
Monitoring of Lost River and shortnose suckers at shoreline spawning areas
Abstract not available
Authors
B.S. Hayes, E.C. Janney, R.S. Shively
Monitoring of Lost River and shortnose suckers at shoreline spawning areas in Upper Klamath Lake, Oregon
Abstract not available
Authors
B.S. Hayes, E.C. Janney, R.S. Shively
Monitoring of Lost River and shortnose suckers in the Lower Williamson River, Upper Klamath Basin, Oregon
Abstract not available
Authors
T.J. Tyler, E.C. Janney, B.S. Hayes, R.S. Shively, G.N. Blackwood
Monitoring of Lost River and shortnose suckers in Upper Klamath Lake, Oregon
Abstract not available
Authors
E.C. Janney, B.S. Hayes, R.S. Shively, T.J. Tyler, G.N. Blackwood
Monitoring of Lost River and shortnose suckers at the Sprague River Dam fish ladder, Oregon
Abstract not available
Authors
E.C. Janney, R.S. Shively, B.S. Hayes, T.J. Tyler, G.N. Blackwood
Science and Products
Filter Total Items: 29
Improving inferences from fisheries capture-recapture studies through remote detection of PIT tags
Models for capture-recapture data are commonly used in analyses of the dynamics of fish and wildlife populations, especially for estimating vital parameters such as survival. Capture-recapture methods provide more reliable inferences than other methods commonly used in fisheries studies. However, for rare or elusive fish species, parameter estimation is often hampered by small probabilities of re-
Authors
David A. Hewitt, Eric C. Janney, Brian S. Hayes, Rip S. Shively
Demographics and 2008 Run Timing of Adult Lost River (Deltistes luxatus) and Shortnose (Chasmistes brevirostris) Suckers in Upper Klamath Lake
We used capture-recapture data to assess population dynamics of endangered Lost River suckers (Deltistes luxatus) and shortnose suckers (Chasmistes brevirostris) in Upper Klamath Lake, Oregon. The Cormack-Jolly-Seber method was used to estimate apparent survival probabilities, and a temporal symmetry model was used to estimate annual seniority probabilities. Information theoretic modeling was used
Authors
Eric C. Janney, Brian S. Hayes, David A. Hewitt, Patrick M. Barry, Alta Scott, Justin Koller, Mark Johnson, Greta Blackwood
Population Dynamics of Adult Lost River (Deltistes luxatus) and Shortnose (Chasmistes brevirostris) Suckers in Clear Lake Reservoir, California, 2006-08
We report results from ongoing research into the population dynamics of endangered Lost River and shortnose suckers in Clear Lake Reservoir, California. Results are included for sampling that occurred from fall 2006 to spring 2008. We summarize catches and passive integrated transponder tagging efforts from trammel net sampling in fall 2006 and fall 2007, and report on detections of tagged suckers
Authors
Patrick M. Barry, Eric C. Janney, David A. Hewitt, Brian S. Hayes, Alta C. Scott
Demographic analysis of Lost River sucker and shortnose sucker populations in Upper Klamath Lake, Oregon
We used 13 years (1995-2007) of capture-mark-recapture data to assess population dynamics of endangered Lost River suckers Deltistes luxatus and shortnose suckers Chasmistes brevirostris in Upper Klamath Lake, Oregon. The Cormack-Jolly-Seber method was used to estimate survival, and information theoretic modeling was used to assess variation due to time, gender, species, and spawning subpopulation
Authors
E.C. Janney, R.S. Shively, B.S. Hayes, P.M. Barry, D. Perkins
Demographic analysis of adult Lost River suckers and shortnose suckers in Upper Klamath Lake and its tributaries, Oregon. Annual report 2006
n/a
Authors
E.C. Janney, P.M. Barry, B.S. Hayes, R.S. Shively, A. Scott
Monitoring of Lost River (Deltistes luxatus) and shortnose (Chasmistes brevirostris) suckers in Gerber and Clear Lake reservoirs 2005-2006
n/a
Authors
P.M. Barry, B.S. Hayes, E.C. Janney, R.S. Shively, A.C. Scott, C.D. Luton
Investigations of adult Lost River, shortnose, and Klamath largescale suckers in Upper Klamath Lake and its tributaries, Oregon. Annual report 2005
n/a
Authors
P.M. Barry, B.S. Hayes, A.C. Scott, C.D. Luton, E.C. Janney
Monitoring of Lost River and shortnose suckers at shoreline spawning areas
Abstract not available
Authors
B.S. Hayes, E.C. Janney, R.S. Shively
Monitoring of Lost River and shortnose suckers at shoreline spawning areas in Upper Klamath Lake, Oregon
Abstract not available
Authors
B.S. Hayes, E.C. Janney, R.S. Shively
Monitoring of Lost River and shortnose suckers in the Lower Williamson River, Upper Klamath Basin, Oregon
Abstract not available
Authors
T.J. Tyler, E.C. Janney, B.S. Hayes, R.S. Shively, G.N. Blackwood
Monitoring of Lost River and shortnose suckers in Upper Klamath Lake, Oregon
Abstract not available
Authors
E.C. Janney, B.S. Hayes, R.S. Shively, T.J. Tyler, G.N. Blackwood
Monitoring of Lost River and shortnose suckers at the Sprague River Dam fish ladder, Oregon
Abstract not available
Authors
E.C. Janney, R.S. Shively, B.S. Hayes, T.J. Tyler, G.N. Blackwood