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tions. A more general defintion is a compartment that, over a large period of time (e.g., several generations), shows no net change in population size but nonetheless is a net exporter of individuals.

spawning stock biomass: The total weight of mature fish in a stock, often expressed in relative terms, i.e., as a percentage of the mature biomass when fishing mortality is zero.

stakeholders: Refers to anyone who has an interest in or who is affected by the establishment of a protected area.

sustainability: The use of ecosystems and their resources in a manner that satisfies current needs without compromising the needs or options of future generations.

total allowable catch (TAC): The annual recommended catch for a species or species group. The regional council sets the TAC from the range of allowable biological catch.

zoning: A process in which a protected area is divided into discrete zones and particular human uses of each zone are permitted, often with conditions such as gear limitations in fishing and waste discharge prohibitions in tourism.

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