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Managing most marine finfisheries to achieve optimum yields is an unattainable dream.
Protecting these resources from serious depletion through precautionary management
seems the only practical option. But even this is of limited application if we demand
scientific data for each managed fishery. There are too few researchers to do the
work and, in any event, such research would usually not be cost-effective. Thus, we
need not merely precautionary management; we need data-less management.