A fishery is considered open access even when licenses are required, if the number of licenses is not limited and the holder does not have to abide by individual quotas or other restrictions to access. A measure of the number of fish that enter a class during some time period, such as the spawning class or fishing-size class. Recruitment over- fishing is characterized by a decreasing proportion of older fish in the fishery and consistently low average recruitment over time. Eight regional councils mandated in the Magnuson-Stevens Fishery Conservation and Management Act to develop management plans for fisheries in federal waters. A management approach in which specific agencies are given responsibility for managing particular sectors.
Examples are fishery management agencies and tourism management agencies.
There is an inherent incentive for each sector to maximize its profits and benefits at the expense of other sectors, the general public or the natural environment. Habitats in which birth rates are lower than death rates and emigration is lower than immigration, as applied to equilibrium populations. A more general definition is that a sink is a compartment that is a net importer of individuals. The total weight of mature fish in a stock, often ex- pressed in relative terms, i.e., as a percentage of the mature biomass when fishing mortality is zero. Refers to anyone who has an interest in or who is affected by the establishment of a protected area.