Introduction Tuna History The word tuna dates back only to 1880 in print and is attributed as a Spanish American derivation of the English counterpart‚ tunny. It is derived from the LatinThunnus‚ the name of its scientific genus. Tuna has been fished from the warm‚ temperate parts of the Mediterranean Sea and the Pacific‚ Atlantic‚ and Indian Oceans since ancient times. As a member of the mackeral family‚ tuna naturally has a stronger‚ more robust flavor than whitefish. Tuna Facts Tuna can cruise
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As our population is increasing we are facing many problems‚ one of the problem is overfishing. Overfishing is caused by the increasing demand (need) of fish. The more demand of fish there is the more fishers have to catch. The reason for this is because the more fish‚ fishers catch and sell‚ the more money they get. This is proven by Young People’s Trust for the Environment because they say‚ “It is human nature to try to make as much money as possible.” The more fish‚ that is caught the less fish
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commercially valuable species are overexploited‚ other species and habitat that share the same ecosystem are affected. According to many marine scientists and marine ecologists‚ unsustainable (overfishing) fishing is the greatest threat to the ocean ecosystems. For example‚ recent scientific studies suggest that overfishing of large shark species has had a ripple effect in the shark’s food chain‚ increasing the number of species that are sharks’ victims‚ such as rays. Rays are usual prey for large sharks
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183-EW 10/31/12 North Atlantic Cod Commons: Overfishing and it’s Solution Over fishing has led to an almost complete wipe out of the mature cod population in the area of Northern Europe. With lack of regulations‚ the world could witness an entire species of fish destroyed due to rational behavior of man to want more. This is a classic example of a “commons” which Garrett Hardin discusses in his essay “The Tragedy of the Commons” (Hardin‚ 1968). The North Atlantic Cod is a natural resource
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science Overfishing is a situation where one or more fish stocks are reduced below predefined levels of acceptance by fishing activities. More precise definitions are provided in biology and bioeconomics. Biological overfishing occurs when fishing mortality has reached a level where the stock biomass has negative marginal growth (slowing down biomass growth)‚ as indicated by the red area in the figure. Economic or bioeconomic overfishing in addition to the biological dynamics takes into consideration
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The Impact of Overfishing Overfishing has become an enormous problem all over the world. The impact of the increasing demand for fish and the advanced techniques made in the area of commercial fishing has caused some species of fish to be virtually extinct. In fact‚ some species like the giant bluefin tuna widely used by Japanese chefs and served in many restaurants‚ are now just few years away from extinction. Human demand for fish has increased enormously over the last several years‚ particularly
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The water resource problem in the video is overfishing. Overfishing is a problem that occurs when fishermen catch fish at a rate faster than they can reproduce. I think overfishing originated when fishermen began using bigger and better fishing nets and techniques. Better fishing equipment resulted in overfishing‚ which is a major water resource problem. Depletion of the fish population is a problem that could be managed. Even though‚ it is difficult for the depleted stocks to return to sustainable
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Future of Tuna-Farming Author: Aw Jeanice Overfishing of the Bluefin Tuna There are many ways to serve up tuna—raw‚ boiled‚ cooked‚ smoked‚ grilled‚ on a roll‚ in a sandwich‚ in a wrap‚ with mayonnaise‚ with wasabi‚ with soy sauce‚ just to name a few. Tuna can even be in your cat’s feed with all kinds of combinations the animal-feed companies can conjure. The global demand for tuna has driven tuna fisheries along the Northern Atlantic‚ Pacific and Southern Ocean to thrive‚ and caused the tuna population
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that the ocean is slowly deteriorating. There are many problems that are all causing this to happen‚ many of which are all connected. Overfishing‚ pollution‚ climate change/global warming‚ marine
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scientists believe that most edible saltwater species will near or reach extinction by the middle of the century. The largest fish-including shark‚ Atlantic bluefin tuna‚ and the Atlantic cod-are especially at risk. Eel‚ king crab‚ and Atlantic salmon are other species that have been overfished to critically low levels. There is little disagreement that overfishing is the result of a combination of increased demand for fish worldwide‚ along with industrial fishing methods that catch large quantities of fish
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