Overfishing of the Southern Bluefin Tuna The Problem Figure 1 : An adult Southern Bluefin Tuna fish. (Thunnus-maccoyii) Figure 1 : An adult Southern Bluefin Tuna fish. (Thunnus-maccoyii) Conservationists are working hard across the world to protect endangered species. One problem that biologists are facing is the declining wild population of the southern Bluefin tuna and the main reason for this problem is the rapid overfishing of the fish. The Bluefin tuna (Thunnus-maccoyii)( figure 1)
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focus is the West Coast Blue Fin Tuna. The West Coast Blue Fin Tuna is a widely recognized fish and the West Coast Tuna Fishing industry is very familiar with this marine life form. For this industry‚ the Fukushima leak is the worst possible event. Phytoplankton‚ plankton‚ and many other marine life forms feed on the radioactive chemicals being released by the gallons every day. This consumption of chemicals makes its way up the food chain to the West Coast Blue Fin Tuna. Not only is it now harmful
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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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Fishing Blue Fin Tuna into Extinction Humans have feasted on fish for as long as history can trace. The waters in which these fish are caught seem to be an overly abundant healthy environment that can relied on until the end of time‚ but what happens when that assumption is proved wrong? The truth is that no matter how vast and abundant the resources of our oceans may seem‚ we can indeed tap out the resources that our forefathers have relied on for more than thousands of years. Blue fin tuna are
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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 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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Sushi eat Tuna Introduction (let’s meet the fish) The overfishing is a common problem with some species across the sea world. The Bluefin Tuna is one of the hardest hit victim of this fishery. This specie of Tuna is located in the entire North Atlantic ocean but also in seas closed to it such as the Mediterranean sea‚ but also a strip from the equator until Norway‚ and from the Gulf of Mexico to the Black sea. The Bluefin Tuna is one of the most affected stock by overfishing in the sea
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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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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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