Each of these models is classified as overfished if it meets one or more of the following criteria: 1 biomass of any species falls below minimum biologically acceptable limit, 2 diversity decreases, 3 year-to-year variation in populations or catches increases, 4 resilience to perturbations decreases, 5 economic and social benefits decrease, and 5 nontargeted species get impaired see  and references therein for justification of these criterion.
As I age, I realize that nothing lasts but that which is done for Christ.
Dubito ergo cogito.
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