Retrospective bioeconomic analysis of Fraser River sockeye salmon fishery management

Marsden, A. Dale; Martell, Steven J. D.; Sumaila, U. Rashid

doi:10.1016/j.fishres.2008.12.018

Cited by 3 publications

(2 citation statements)

References 21 publications

(36 reference statements)

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“…In our model, this coupling is due to a fraction of sockeye returning at age 5 instead of age 4, and, more importantly, due to the predator being sufficiently strongly coupled to sockeye dynamics. Previous studies of salmon dynamics, used in salmon management, are based on the Ricker model 7,17 or the Larkin model 12,18,19 . Because both models have a strongly limited carrying capacity for the fry, and because they do not include explicitly the predator dynamics, the only bifurcation occurring in those models is the flip bifurcation.…”

Section: Discussionmentioning

confidence: 99%

A three-species model explaining cyclic dominance of Pacific salmon

Guill

Drossel

Just

et al. 2011

Journal of Theoretical Biology

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The four-year oscillations of the number of spawning sockeye salmon (Oncorhynchus nerka) that return to their native stream within the Fraser River basin in Canada are a striking example of population oscillations. The period of the oscillation corresponds to the dominant generation time of these fish.Various -not fully convincing -explanations for these oscillations have been proposed, including stochastic influences, depensatory fishing, or genetic effects. Here, we show that the oscillations can be explained as an attractor of the population dynamics, resulting from a strong resonance near a Neimark Sacker bifurcation. This explains not only the long-term persistence of these oscillations, but also reproduces correctly the empirical sequence of salmon abundance within one period of the oscillations. Furthermore, it explains the observation that these oscillations occur only in sockeye stocks originating from large oligotrophic lakes, and that they are usually not observed in salmon species that have a longer generation time.

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Section: Discussionmentioning

confidence: 99%

A three-species model explaining cyclic dominance of Pacific salmon

Guill

Drossel

Just

et al. 2011

Journal of Theoretical Biology

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“…Retrospective studies are intentionally postimplementation and have primarily focused on simulating forgone revenues or profits versus optimizing to find a solution to direct the future management of a fishery (e.g. Marsden et al, 2009).…”

Section: Fishery Selection Criteriamentioning

confidence: 99%

Practical Considerations in Using Bioeconomic Modelling for Rebuilding Fisheries

Larkin

Álvarez

Sylvia

et al. 2011

OECD Food, Agriculture and Fisheries Papers

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Many of the world.s fish stocks are considered to be in need of rebuilding. In response, global agreements, including UNCLOS, have sought to adopt some (optimal) level of fish biomass, usually the level associated with the maximum sustainable yield (MSY). While establishing a sustainable level of harvest is goal with intuitive appeal, the pursuit of MSY ignores many relevant economic and social factors that are critical to the sustainability of a fishery.fisheries management, fisheries economics, Northern Prawns, North Atlantic Cod, Spiny Lobster, Norwegian Spring Spawning Herring, Bioeconomic Modelling, fisheries rebuilding, Striped bass

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