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Offshore aquaculture, also known as open water aquaculture or open ocean aquaculture, is an emerging approach to mariculture (seawater aquafarming) where fish farms are positioned in deeper and less sheltered waters some distance away from the coast, where the cultivated fish stocks are exposed to more naturalistic living conditions with ...
Mariculture, sometimes called marine farming or marine aquaculture, [1] is a branch of aquaculture involving the cultivation of marine organisms for food and other animal products, in seawater. Subsets of it include ( offshore mariculture ), fish farms built on littoral waters ( inshore mariculture ), or in artificial tanks , ponds or raceways ...
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Offshore cage systems could become a more environmentally sustainable method for commercial marine fish aquaculture. [15] However, some problems still exist in cobia culture, including high mortality due to stress during transfer from nursery tanks or inshore cages to the offshore grow-out cages, as well as disease.
The industry contributes 1,946 tonnes per annum, distributed across Boston Bay & Lincoln Offshore aquaculture zones. Kingfish aquaculture is the region's next largest nutrient polluter (734 tonnes per annum) but is distributed across a larger area which includes Port Lincoln, Arno Bay, Port Neill and Fitzgerald Bay (near Whyalla).
[5] [6] However, total annual aquaculture production was less than 100,000 tonnes in this period. Aquaculture production increased from 147,000 tonnes in 1971, to over 1.2 million tonnes in 2006, and 2.3 million tonnes by 2017. [3] [7]
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The spot is a very important fish for both recreational and commercial fishing. In 2021 the total landing of spot in the Southern Atlantic sector of US waters was 322 t (317 long tons; 355 short tons) with 71% of that coming from recreational fishermen and 29% from commercial fisheries. 64% of the commercial landings were in Virginia. [11]