enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Fish farming - Wikipedia

    en.wikipedia.org/wiki/Fish_farming

    Fish farming or pisciculture involves commercial breeding of fish, most often for food, in fish tanks or artificial enclosures such as fish ponds. It is a particular type of aquaculture , which is the controlled cultivation and harvesting of aquatic animals such as fish, crustaceans , molluscs and so on, in natural or pseudo-natural environments.

  3. Aquaculture - Wikipedia

    en.wikipedia.org/wiki/Aquaculture

    The aquaculture or farming of piscivorous fish, like salmon, does not help the problem because they need to eat products from other fish, such as fish meal and fish oil. Studies have shown that salmon farming has major negative impacts on wild salmon, as well as the forage fish that need to be caught to feed them.

  4. Sustainable fishery - Wikipedia

    en.wikipedia.org/wiki/Sustainable_fishery

    Current aquaculture or farming of piscivorous fish, such as salmon, does not solve the problem because farmed piscivores are fed products from wild fish, such as forage fish. Salmon farming also has major negative impacts on wild salmon. [5] [6] Fish that occupy the higher trophic levels are less efficient sources of food energy.

  5. The world is farming more seafood than it catches. Is that a ...

    www.aol.com/world-farming-more-seafood-catches...

    A new report from the United Nations' Food and Agriculture Organization, or FAO, has found that more fish were farmed worldwide in 2022 than harvested from the wild, an apparent first.

  6. Environmental impact of fishing - Wikipedia

    en.wikipedia.org/wiki/Environmental_impact_of...

    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.

  7. Environmental issues with salmon - Wikipedia

    en.wikipedia.org/wiki/Environmental_issues_with...

    The transfer of parasites from open-net cage salmon farming, especially sea lice, has reduced numbers of wild salmon. The European Commission (2002) concluded, "The reduction of wild salmonid abundance is also linked to other factors but there is more and more scientific evidence establishing a direct link between the number of lice-infested wild fish and the presence of cages in the same ...

  8. Population dynamics of fisheries - Wikipedia

    en.wikipedia.org/wiki/Population_dynamics_of...

    It has been called "the central problem of fish population dynamics" [14] and “the major problem in fisheries science". [15] Fish produce huge volumes of larvae, but the volumes are very variable and mortality is high. This makes good predictions difficult. [16] According to Daniel Pauly, [15] [17] the definitive study was made in 1999 by ...

  9. Climate change and fisheries - Wikipedia

    en.wikipedia.org/wiki/Climate_change_and_fisheries

    Under the highest-emission scenario, many countries would see substantial reductions in seafood available from exclusive economic zones by 2050. [1]Fisheries are affected by climate change in many ways: marine aquatic ecosystems are being affected by rising ocean temperatures, [2] ocean acidification [3] and ocean deoxygenation, while freshwater ecosystems are being impacted by changes in ...