The choice of TAC when faced with multiple objectives
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The total allowable catch is a key instrument in fishery management, and advice on its level used to be based purely on biology. In 1991, ACFM stated that its objective was to provide the advice necessary to maintain viable fisheries within sustainable ecosystems, leaving the actual choice of management strategy and corresponding TAC for stocks within safe biological limits to managers. Usually there are several objectives for the fishery policy and the advice on the level of TAC must be based on analysis which quantifies the most important consequences. An outline of such advice on the level of TAC (when faced with multiple objectives) is given. Two transboundary stocks, Northeast Arctic cod and Norwegian spring spawning herring, serve as examples.