Cause And Effect Essay on Overfishing Text

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The causes of overfishing can be placed into these three categories: all over the world, many fishing industries have huge vessels, equipment and technology that they can deploy deep into the oceans. They can stay on the oceans for weeks and months and even process the fish before they come back ashore. Experts believe that all the world rsquo s equipment combined is enough to fish on 4 earth like planets.

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This involves using nets, fishing methods and other equipment that catch too much fish to a degree that they are endangered. And may include cetaceans, turtles, sharks, seabirds, youngfish, corals and invertebrates like starfish, crabs, sea urchins, brittle stars, mollusks, sponges and worms. Some fishing methods like bottom trawling are know to catch all kinds of fish and animals, with the bulk of it discarded. The amount of fishes that fishing industries bring ashore depends on the market and needs of consumers. In the past century, humans have multiplied in many folds and the need for food and fish has also multiplied.

This, together with economic ambitions of fisheries have forced them to catch more fish that the oceans can replace. Now, let us quickly take a look at some very important terms before we go further in the problems that overfishing causes. Our writers can help get your essay back on track, take a look at our services to learn more about how we can help.

Essay writing service essay marking service place an order fish is the basic source of protein for 950 million people around the world and it is included as basic diet of many people. Fisheries are also important source of employment and 200 million people around the globe are associated with fishing for their survival fontaubert amp lutchman, 2003. In addition, according to dommen and deere 1991 , 40% of the global fishery production enters into international trade market with half of fishery which exports from developing countries. According to report of gareth porter 2003 , fisheries subsidies and overfishing: towards a structured discussion released under united nations environment programme, with expanding fishing in recent years there has been a considerable reduction in fish stocks and this reduction is more preferably observed in species for human consumption such as cod, haddock and plaice.

Since 1950, fisheries production has increased about 6 % which is now fallen to zero miller amp spoolmanâ¸2008. There is evidence for economic and environment harm causing due to overfishing whereas reduction in fishes has declined 100,0 jobs in last few years. Moreover, owing to these implications the cost of fishes in local markets have unusually risen weber, 1994. Considering all these consequences, overfishing has become one of the most serious environment and economic issues around the world. With the passing time it has become the tragedy of commons and situation of lack of property rights provides an open opportunity for everyone to catch as much fishes as they want regardless of considering for future.

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Under condition of tough competition commercial fishermen endeavor to deplete the seas as any fish left behind can be caught by someone else. As a result, world is going through common tragedy to which they are failed to addressed properly alessi, 2004. Overfishing and its implications by definition overfishing is catching of exceeding number of fishes in order to hold sustainable fishing system by doing overfishing. Commonly, overfishing takes place when stock of fishes lose their stock down to an acceptable level. As a result of overfishing, fishes lose their capacity to survive as they largely depend on sea creature and able to breed new generation. An example of adverse effects of overfishing is that overfishing of sharks has led to upset the marine ecosystems shark declines threaten shellfish stocks, study says , national geographic news, 2007.

The fishery's potential to recover from the overfishing relies on the suitability of ecosystemâ condition. Unusual changes in the composition of species can also lead to shift in ecosystem where other equilibrium energy flows encompasses the species compositions. However, there are number of factors involved in the overfishing in the world, but many studies have revealed that with the increasing activities of human and extended living style, oceans are ruined and losing their natural beauty. In addition, in 1997, 50% of world's population was located in sea areas including big cities of the world. This percentage is expected to remarkably increase to 75% marine environment and sustainable development, 2002.

There is immense importance of coastal areas as they provide many resources for sustainability in the world's economy and also extraordinary influence on economic and social advantages. It is estimated that 90% of international trade depends on marine transportation. Moreover, coastal resources provide 25 to 30 per cent to the global energy supplies. Fisheries also create jobs and demonstrate rapidly growing industry which is estimated to give 30 per cent of the world's fish consumption porter, 1998.

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Moreover, tourism is another fastest growing industry while only coastal tourism generates $3.5 trillion in revenues. Thus, all these economic activities and growth in population is placing great impact on the importance of marine areas. Despite the fact that increasing population has required more food and more demand of food has led to overfishing, there are some other reasons that cause overfishing nordquist amp moore, 20. Many reports reveal that fishing is the only industry in the world without any restriction and such open access of fishing makes fisheries to do overfishing fontaubert amp lutchman, 2003. In addition, the reason that fishing is free and open access to fishing persuades many people to do overfishing without taking care of maintaining the fish stock. Study of world bank has estimated that even though subsidies are declining yet it is worth $20 billion a year.

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Moreover, fisheries also provide jobs especially in poor countries which further help them to expand their industry. Subsidies also lead many companies to develop high tech fishing which causes overfishing. Since fishing industry is taken into account as the best source of employment and export revenue, this is further leading to overfishing around the world. However, increase growth rate is questionable for the sustainability of the industry therefore international environment communities are concerned about this issue. Another reason to which overfishing is associated is the increasing technological advancement.

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Invention of distant water fleets have brought about the fishing industry to developing countries which do not possess large fleets for fishing. Many marine creatures have constant threat from the invention of technological development. Moreover, excessive trawling and dredging with poisonous and explosive materials have negative ecological impact miller amp spoolmanâ¸2008. Other than that, unwanted fishes cause depletion of fish stocks, on the other hand, fishermen with the imposition of quotas on the number of fishes discard low value fish and hold only high value fishes. Discarded fish amounts20 million tons and it accounts for one fourth of the annual marine catch. Who wrote this essay request removal example essays effects and consequences of overfishing according to the food and agriculture organization of the united nation, there is 47% exploitation of world fish stocks and this leads to less expansion of marine creature in future. However, there are major changes in the composition of catching world marine species as they are caught when they are not grown or immature.

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