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Retrospective analysis of harvest management performance for Bristol Bay and Fraser River sockeye salmon (Oncorhynchus nerka)

Abstract Given current knowledge of mean stock-recruitment relationships and variation in past recruitment, yield of sockeye salmon (Oncorhynchus nerka) in Bristol Bay, Alaska, and Fraser River, British Columbia, might have been at least 100%-300% larger since 1950 than was actually achieved. Most of these gains would have been due to knowledge of optimum mean spawning […]


An exploratory investigation on possible approaches used to minimize terminal fishery impacts on the Skeena River steelhead population

This report investigates the utility of using a numerical simulation model to identify the frequency, timing and magnitude of fishery openings that can protect 80% of the steelhead run from terminal fishing impacts, with 90% certainty, while ensuring that minimum spawning requirements are met. Historical records from the Tyee test fishery were used to examine […]