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Fish Farming

  • By: Dean Bavington
  • In: Encyclopedia of Geography
  • Edited by: Barney Warf
  • Subject:General Geography, Earth & Environmental Science

Farming a single species of fish through industrial aquaculture processes, as opposed to hunting marine life in the wild or integrating fish farming with subsistence agriculture as is done in Asia and Africa, is a relatively new idea. Farming marine species such as Atlantic salmon and cod emerged slowly in the 19th century, prompted initially by localized overfishing, fluctuating fish landings, and increasing demand from merchants. The Atlantic salmon was domesticated for industrial production in Norway after wild salmon declined due to overfishing and other anthropogenic assaults. After World War II, the technologies of war were applied to finding and catching fish worldwide. Factory freezer bottom draggers, which scrape the ocean's floor collecting everything in their path, drift nets and monofilament gill nets, hydraulic ...

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