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During the 1972 fishing season, Peruvian fisheries who largely depended on catching Peruvian anchovetas, a species of anchovy, faced a crisis in which the previously abundant population of anchovetas began to heavily deplete as a result of overfishing from previous seasons and as a result of that year's strong El Niño current. The 1972 catch ...
The Peruvian anchoveta (Engraulis ringens) is a species of fish of the anchovy family, Engraulidae, from the Southeast Pacific Ocean. It is one of the most commercially important fish species in the world, with annual harvests varying between 3.14 and 8.32 million tonnes from 2010 to 2021.
The anchovy is a significant food source for almost every predatory fish in its environment, including the California halibut, rock fish, yellowtail, shark, chinook, and coho salmon. It is also extremely important to marine mammals and birds; for example, breeding success of California brown pelicans [ 13 ] and elegant terns is strongly ...
Jack mackerel caught by a Chilean purse seiner Fishing down the food web. Overfishing is the removal of a species of fish (i.e. fishing) from a body of water at a rate greater than that the species can replenish its population naturally (i.e. the overexploitation of the fishery's existing fish stock), resulting in the species becoming increasingly underpopulated in that area.
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Some fisheries require quota holders to be participating fishermen to prevent absentee ownership and limit the quota that a captain can accumulate. In the Alaska halibut and black cod fisheries, only active fishermen can buy quota, and new entrants may not sub-lease their quota. However, these measures have only served to mitigate outside ...