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Maintaining a sustainable population is crucial to the fishing industry, particularly in Alaska, California, and Oregon, where fish farming is outlawed. Wild-caught and farm-raised salmon also ...
Fans of salmon know just how versatile the fish is. Whether you enjoy it best smoked and on a bagel, or broiled with some light seasoning, salmon can spruce up a variety of dishes. In recent years ...
Farming carnivorous fish such as salmon, however, does not always reduce pressure on wild fisheries, such farmed fish are usually fed fishmeal and fish oil extracted from wild forage fish. The 2008 global returns for fish farming recorded by the FAO totaled 33.8 million tonnes worth about US$60 billion. [6]
Farmed fish can also spread disease to wild populations, or escape from their confines and breed with other species, resulting in genetic pollution that can disrupt the fitness of a wild population.
Escapes: Escaped farmed salmon can compete with wild fish and interbreed with local wild stocks of the same population, altering the overall pool of genetic diversity. [ 92 ] Feed : A growing salmon farming business must control and reduce its dependency upon fishmeal and fishoil – a primary ingredient in salmon feed—so as not to put ...
In addition, 1.3 million tons of aquatic plants (seaweed etc.) were captured in wild fisheries and 14.8 million tons were produced by aquaculture. [2] The number of individual fish caught in the wild has been estimated at 0.97-2.7 trillion per year (not counting fish farms or marine invertebrates). [3]
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Aquaculture is one of the main vectors for invasives following accidental releases of farmed stocks into the wild. [45] One example is the Siberian sturgeon ( Acipenser baerii ) which accidentally escaped from a fish farm into the Gironde Estuary (Southwest France) following a severe storm in December 1999 (5,000 individual fish escaped into ...