social scientists to model populations so that strategies for harvest can be examined and the consequences of management actions can be explored before FMPs are enacted. The new approaches can evaluate both short-term dynamics and long-term predictions under different harvest and control conditions. Harvest strategies are the means by which a fishery operates on a resource to obtain and control yield. The fishery may operate early or late in the season, harvest fish over a particular size; fish in one area or another, fish with one gear type or another, or operate with less intensity now so that more or larger fish are available later. Harvest strategies can be explored in a theoretical context through modeling and can be compared with other strategies to help form a basis of decision-making. In recognition that a wide variety of potential harvesting strategies and decision rules exist, it is sensible to explore management options. Stock assessment models should be developed and used in conjunction with harvesting strategies and decision rules so that they can be evaluated simultaneously to provide information for sustaining fisheries (NRC, 1998a).



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