Determine robust spawning fish method for Genetic diversity detecting hatchery Adult migration and spawn fish on the timing spawning grounds. Abundance Sampling rate Harvest rate Relative reproductive success Measured Metrics: Number of fish consumed by hatchery produced fish Number of hatchery and naturally produced fish consumed (by all predators) Number of naturally produced fish emigrating from feeding stations after hatchery release Size of naturally produced fish prior to hatchery release and after Habitat use by Naturally produced fish prior to and after H release Design and Habitat use by hatchery implement produced fish ecological Number of hatchery and interactions study. naturally produced fish on Determine the extent to which spawning grounds juvenile summer steelhead and Design and Number of hatchery and winter steelhead compete for implement relative naturally produced fish in resources, and ultimately reproductive holding areas determine if naturally produced success study. Pathogen occurrence of summer steelhead are impacting hatchery and naturally productivity of winter Determine robust produced fish steelhead. method for Spawning location (by detecting hatchery origin) fish on the Number of hatchery summer spawning grounds. steelhead harvested Number of naturally produced fish caught and released Derived Metrics: Density of fish in holding areas and on spawning grounds Genetic diversity Adult migration and spawn timing Percentage of unclipped summer steelhead Residualism rates Premature emigration rate
Determine robust method for detecting hatchery fish on the spawning grounds. spawning fish Genetic diversity Adult migration and spawn timing Abundance Sampling rate Harvest rate Relative reproductive success Determine the extent to which juvenile summer steelhead and winter steelhead compete for resources, and ultimately determine if naturally produced summer steelhead are impacting productivity of winter steelhead. Design and implement ecological interactions study. Design and implement relative reproductive success study. Determine robust method for detecting hatchery fish on the spawning grounds. Measured Metrics: Number of fish consumed by hatchery produced fish Number of hatchery and naturally produced fish consumed (by all predators) Number of naturally produced fish emigrating from feeding stations after hatchery release Size of naturally produced fish prior to hatchery release and after Habitat use by Naturally produced fish prior to and after H release Habitat use by hatchery produced fish Number of hatchery and naturally produced fish on spawning grounds Number of hatchery and naturally produced fish in holding areas Pathogen occurrence of hatchery and naturally produced fish Spawning location (by origin) Number of hatchery summer steelhead harvested Number of naturally produced fish caught and released Derived Metrics: Density of fish in holding areas and on spawning grounds Genetic diversity Adult migration and spawn timing Percentage of unclipped summer steelhead Residualism rates Premature emigration rate