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- W1969659314 abstract "An approach is presented for investigating the interactions between fishing fleets that compete by exploiting different age-groups of the same resource population. The term partial recruitment (PR) is used to describe the age-specific exploitation pattern experienced by a population, either from individual fishing fleets or the combined effects of several fleets. Methods are presented to calculate catch quotas for the individual fleets if the management objective is to keep fleet effort constant, or alternatively to predict catch rates by fleet if the allocation rules are based on a percentage sharing of the total allowable catch (TAC) among fleets. Simulations based on an Atlantic cod (Gadus morhua) fishery on the Nova Scotian Shelf is used to illustrate the method. The results indicate the importance of considering differences in PR among competing fishing fleets when setting catch quotas. The relative effort exerted by the fleets will affect target fishing mortalities. The fleet that concentrates on younger fish can intercept recruitment. Since the fleets exploit different age-groups, changes in fishable biomass due to recruitment variation are lagged, and fishing success will vary among fleets. Understanding the dynamics of PR may help explain why certain fleets either exceed or fall short of catch quotas." @default.
- W1969659314 created "2016-06-24" @default.
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- W1969659314 date "1993-04-01" @default.
- W1969659314 modified "2023-09-25" @default.
- W1969659314 title "Partial Recruitment Considerations in Setting Catch Quotas" @default.
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- W1969659314 doi "https://doi.org/10.1139/f93-084" @default.
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