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Maximum sustainable yield (MSY), often defined in relation to a single species considered in isolation, has long been considered a cornerstone in fisheries management. It is difficult to expand the concept of MSY for the purpose of ecosystem-based fisheries management (EBFM). Here we consider MSY for a fishery in a multispecies fish community by addressing issues of trophic interaction and bycatch,...
The status of the Maine green sea urchin (Strongylocentrotus droebachiensis) fishery has not been quantitatively determined, despite its commercial importance and declining stock abundances. The high levels of natural variability in the population, and the uncertainty implicit in all fisheries, make it essential to determine probabilistic estimates of current fishing mortality rate and biological...
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