Major trends in the pelagic ecosystem off Peru and their implications for management.
1989
Muck P.
This paper summarizes the observations on changes in biomass, individual growth, species dominance, feeding strategy, and oceanographic parameters reported from the Peruvian upwelling ecosystem from 1953 to 1987. It is concluded that overfishing of the Peruvian anchoveta (Engraulis ringens) is the key factor behind the observed biomass changes in all important species in the system. The hypothesis presented stronger exploitation of horse mackerel (Trachurus murphyi), a major anchoveta predator, could help alleviate the present disequilibrium between predators and prey fishes, and lead to higher sustained multispecies yield.
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