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    Academic Journals

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• Select A Resist-Accept-Direct (RAD) future for Salmon in Maine and California: Salmon at the southern edge.

  1

  A Resist-Accept-Direct (RAD) future for Salmon in Maine and California: Salmon at the southern edge.

  Authors:John F. Kocik, Sean A. Hayes, Stephanie M. Carlson, and Brian CluerFrom:Fisheries Management and Ecology (Vol. 29, Issue 4) Peer-Reviewed

  Aug. 2022188 words Report, Brief articl...

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• Select Shifting thresholds: rapid evolution of migratory life histories in steelhead/rainbow trout, oncorhynchus mykiss

  2

  Shifting thresholds: rapid evolution of migratory life histories in steelhead/rainbow trout, oncorhynchus mykiss

  Authors:Corey C. Phillis, Jonathan W. Moore, Mathieu Buoro, Sean A. Hayes, John Carlos Garza, and Devon E. PearseFrom:The Journal of Heredity (Vol. 107, Issue 1) Peer-Reviewed

  January-February 2016 Report

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• Select Development of underwater recorders to quantify predation of juvenile Chinook salmon (Oncorhynchus tshawytscha) in a river environment

  3

  Development of underwater recorders to quantify predation of juvenile Chinook salmon (Oncorhynchus tshawytscha) in a river environment

  Authors:Nicholas J. Demetras, David D. Huff, Cyril J. Michel, Joseph M. Smith, George R. Cutter, Sean A. Hayes, et al.From:Fishery Bulletin (Vol. 114, Issue 2) Peer-Reviewed

  Apr. 20164,122 words Report 1430LAbstract--Recent acoustic tagging of juvenile Chinook salmon (Oncorhynchus tshawytscha) in the southern portion of California's Sacramento-San Joaquin Delta has revealed extremely low survival rates (<1%), possibly due...
• Select Comparative estuarine and marine migration ecology of Atlantic salmon and steelhead: blue highways and open plains

  4

  Comparative estuarine and marine migration ecology of Atlantic salmon and steelhead: blue highways and open plains

  Authors:Sean A. Hayes and John F. KocikFrom:Reviews in Fish Biology and Fisheries (Vol. 24, Issue 3) Peer-Reviewed

  Sept. 2014343 words Report

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• Select Evaluating the function of the male harbour seal, Phoca vitulina, roar through playback experiments

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  Evaluating the function of the male harbour seal, Phoca vitulina, roar through playback experiments

  Authors:Sean A. Hayes, Anurag Kumar, Daniel P. Costa, David K. Mellinger, James T. Harvey, Brandon L. Southall, et al.From:Animal Behaviour (Vol. 67, Issue 6) Peer-Reviewed

  June 2004273 words Article

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• Select Long-term shifts in anthropogenic subsidies to gulls and implications for an imperiled fish

  6

  Long-term shifts in anthropogenic subsidies to gulls and implications for an imperiled fish

  Authors:Ann-Marie K. Osterback, Danielle M. Frechette, Sean A. Hayes, Scott A. Shaffer, and Jonathan W. MooreFrom:Biological Conservation (Vol. 191) Peer-Reviewed

  Nov. 2015563 words Report

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• Select Evaluating the function of the male harbour seal, Phoca vitulina, roar through playback experiments

  7

  Evaluating the function of the male harbour seal, Phoca vitulina, roar through playback experiments

  Authors:Sean A. Hayes, Anurag Kumar, Daniel P. Costa, David K. Mellinger, James T. Harvey, Brandon L. Southall, et al.From:Animal Behaviour (Vol. 67, Issue 6) Peer-Reviewed

  June 200446 words Article

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• Select Mating system and reproductive success in eastern Pacific harbour seals

  8

  Mating system and reproductive success in eastern Pacific harbour seals

  Authors:Sean A. Hayes, Devon E. Pearse, Daniel P. Costa, James T. Harvey, Burney J. Le Boeuf, and John Carlos GarzaFrom:Molecular Ecology (Vol. 15, Issue 10) Peer-Reviewed

  Sept. 2006374 words Author abstract 60L

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• Select Nutrient fluxes and the recent collapse of coastal california salmon populations

  9

  Nutrient fluxes and the recent collapse of coastal california salmon populations

  Authors:Jonathan W. Moore, Sean A. Hayes, Walter Duffy, Sean Gallagher, Cyril J. Michel, and David WrightFrom:Canadian Journal of Fisheries and Aquatic Sciences (Vol. 68, Issue 7) Peer-Reviewed

  July 20117,226 words Report 1430LMigratory salmon move nutrients both in and out of fresh waters during the different parts of their life cycle. We used a mass-balance approach to quantify recent changes in phosphorus (P) fluxes in six coastal...
• Select Down, up, down and "smolting" twice? Seasonal movement patterns by juvenile steelhead (Oncorhynchus mykiss) in a coastal watershed with a bar closing estuary

  10

  Down, up, down and "smolting" twice? Seasonal movement patterns by juvenile steelhead (Oncorhynchus mykiss) in a coastal watershed with a bar closing estuary

  Authors:Sean A. Hayes, Morgan H. Bond, Chad V. Hanson, Andrew W. Jones, Arnold J. Ammann, Jeffrey A. Harding, et al.From:Canadian Journal of Fisheries and Aquatic Sciences (Vol. 68, Issue 8) Peer-Reviewed

  Aug. 20116,801 words Report 1550LWe investigated emigration behavior, habitat use, and [Na.sup.+], [K.sup.+]-ATPase activity levels of juvenile steelhead trout (searun rainbow trout; Oncorhynchus mykiss) in Scott Creek, a small coastal watershed with a...
• Select Early ocean distribution of juvenile Chinook salmon in an upwelling ecosystem

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  Early ocean distribution of juvenile Chinook salmon in an upwelling ecosystem

  Authors:Jason L. Hassrick, Mark J. Henderson, David D. Huff, William J. Sydeman, Megan C. Sabal, Jeffrey A. Harding, et al.From:Fisheries Oceanography (Vol. 25, Issue 2) Peer-Reviewed

  Mar. 2016534 words Report

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• Select Linking individual size and wild and hatchery ancestry to survival and predation risk of threatened steelhead (Oncorhynchus mykiss)

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  Linking individual size and wild and hatchery ancestry to survival and predation risk of threatened steelhead (Oncorhynchus mykiss)

  Authors:Ann-Marie K. Osterback, Danielle M. Frechette, Sean A. Hayes, Morgan H. Bond, Scott A. Shaffer, and Jonathan W. MooreFrom:Canadian Journal of Fisheries and Aquatic Sciences (Vol. 71, Issue 12) Peer-Reviewed

  Dec. 20149,507 words Report 1560LWe examined the role of individual size and origin (wild versus hatchery) to predation risk and marine survival for threatened juvenile steelhead (Oncorhynchus mykiss) in a coastal California watershed. In this study,...
• Select Contrasting patterns in growth and survival of Central Valley fall run Chinook salmon related to hatchery and ocean conditions

  13

  Contrasting patterns in growth and survival of Central Valley fall run Chinook salmon related to hatchery and ocean conditions

  Authors:Megan C. Sabal, David D. Huff, Mark J. Henderson, Jerome Fiechter, Jeffrey A. Harding, and Sean A. HayesFrom:Environmental Biology of Fishes (Vol. 99, Issue 12) Peer-Reviewed

  Dec. 2016458 words Report

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• Select Mobile receivers: releasing the mooring to 'see' where fish go

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  Mobile receivers: releasing the mooring to 'see' where fish go

  Authors:Sean A. Hayes, Nicole M. Teutschel, Cyril J. Michel, Cory Champagne, Patrick W. Robinson, Melinda Fowler, et al.From:Environmental Biology of Fishes (Vol. 96, Issue 2-3) Peer-Reviewed

  Feb. 2013397 words Report

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• Select Trophic Tangles through Time? Opposing Direct and Indirect Effects of an Invasive Omnivore on Stream Ecosystem Processes

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  Trophic Tangles through Time? Opposing Direct and Indirect Effects of an Invasive Omnivore on Stream Ecosystem Processes

  Authors:Jonathan W. Moore, Stephanie M. Carlson, Laura A. Twardochleb, Jason L. Hwan, Justin M. Fox, and Sean A. HayesFrom:PLoS ONE (Vol. 7, Issue 11) Peer-Reviewed

  Nov. 27, 20129,004 words Article 1450LOmnivores can impact ecosystems via opposing direct or indirect effects. For example, omnivores that feed on herbivores and plants could either increase plant biomass due to the removal of herbivores or decrease plant...
• Select Over the falls? rapid evolution of ecotypic differentiation in steelhead/rainbow trout (Oncorhynchus mykiss)

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  Over the falls? rapid evolution of ecotypic differentiation in steelhead/rainbow trout (Oncorhynchus mykiss)

  Authors:Devon E. Pearse, Sean A. Hayes, Morgan H. Bond, Chad V. Hanson, Eric C. Anderson, R. Bruce Macfarlane, et al.From:The Journal of Heredity (Vol. 100, Issue 5) Peer-Reviewed

  September-October 2009 Report

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• Select Long-term shifts in anthropogenic subsidies to gulls and implications for an imperiled fish

  17

  Long-term shifts in anthropogenic subsidies to gulls and implications for an imperiled fish

  Authors:Ann-Marie K. Osterback, Danielle M. Frechette, Sean A. Hayes, Scott A. Shaffer, and Jonathan W. MooreFrom:Biological Conservation (Vol. 191) Peer-Reviewed

  Nov. 2015313 words Article

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• Select Effect of a Mammal Excluder Device on Trawl Catches of Salmon and Other Pelagic Animals.

  18

  Effect of a Mammal Excluder Device on Trawl Catches of Salmon and Other Pelagic Animals.

  Authors:Thomas C. Wainwright, Robert L. Emmett, Laurie A. Weitkamp, Sean A. Hayes, Paul J. Bentley, and Jeffrey A. HardingFrom:Marine and Coastal Fisheries (Vol. 11, Issue 1) Peer-Reviewed

  Feb. 20198,483 words Report 1420LAbstract: Concern about bycatch of marine mammals by fishery research gear has led to the use of mammal excluder devices (MEDs) in some surveys. We measured the effect of a rigid‐grate MED on trawl fishing...
• Select Marine survival of steelhead (Oncorhynchus mykiss) enhanced by a seasonally closed estuary

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  Marine survival of steelhead (Oncorhynchus mykiss) enhanced by a seasonally closed estuary

  Authors:Morgan H. Bond, Sean A. Hayes, Chad V. Hanson, and R. Bruce MacFarlaneFrom:Canadian Journal of Fisheries and Aquatic Sciences (Vol. 65, Issue 10) Peer-Reviewed

  Oct. 20088,934 words Report To investigate the role that estuaries play in the survival of steelhead, Oncorhynchus mykiss, we compared juvenile size at ocean entry with back-calculated measures of size at ocean entry for returning adults in Scott...