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The impact of overfishing
The impact of overfishing
The impact of overfishing
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“The biggest danger we face is overfishing. We have too many boats out there. We literally could fish out our oceans, some scientists believe, in the next 40, 50, 60 years. We are trending in that direction.… Every year, for the first time in history, we catch fewer and fewer fish with more and more sophisticated boats going out trying to find them.” (Ted Danson). Overfishing is when fish are being caught faster than they can reproduce. In the past few years, this problem has been getting worse. Fish populations have decreased by about 50% since 1970. Overfishing is dangerous because it can cause a disturbance to the marine ecosystem, millions of people rely on fish for their protein, and because fishers that are not part of companies have less fish to catch.
Overfishing disturbs marine communities in many ways. The fish that are most commonly caught are the larger ones. Now, the number of large ocean fish has reduced to only 10 percent of its pre-industrial population. This has caused the population of smaller fish to increase and the growth of algae to increase. Also, overfishing has been affecting coral reefs’ health. These changes have been impacting marine communities and the marine ecosystem. Many marine animals live in coral reefs and rely on them to find food.
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This means that if fish keep being caught the way they currently are, in 40-60 years, all these people will have to change their lifestyles. 85 million tons of fish have been being caught each year. It is possible to reduce the number of fish we take out of the oceans and still sustain the jobs and people that rely on them. One way of doing this would be by reducing bycatch and avoiding trawling. Trawling is a method of fishing that can increase bycatch, or unwanted fish or other marine animals. Bycatch can make up about ¼ of the total catch, only to be thrown back into the ocean. The animals are sometimes eaten, but more often than not, they
For example, if the larger fish are removed than its prey begins to overpopulate, due to the lack of population control. The balance in the oceans is an urgent problem, with around 90% of predatory fish stocks depleted. The ripples can extend even further to land creatures like seagulls.
Overfishing is a major problem in economy today. The practices of fishing too much or too often result in a decrease of the fish population. Constant removal of fish from the oceans (fishing) accounts for both adult and baby fish. With the consistent decrease in adult fish, mating becomes more difficult or even impossible, resulting in an overall lack of fish in the oceans. Pepijn Koster defines overfishing as, "Overfishing can be defined in a number of ways. However, everything comes down to one simple point: Catching too much fish for the system to support leads to an overall degradation to the system. Overfishing is a non-sustainable use of the oceans." (par.1). When fish stocks cannot be replenished faster than they are being depleted, a reduction in fish population occurs, which is what is referred to as overfishing.
Overfishing may have some benefits to it, but does it out way the negatives? By fulfilling our demand we can wipe out our whole oceans! Not just the fish, but water mammals too. Sure it can create jobs, but as what cost? It can help bring up our economy, but at the same time it can bring it down with many fish companies closing down due to lack of profit. Fish is a great source of nutrients, but too much can kill you! In other words, fish can be both beneficial and harmful to not only humans, but everyone and everything surrounding fish. There are three things people can do to help with overfishing, the first thing is to be aware of what you are eating. Is the fish on the fear of extinction list? Also asking yourself is the fish you’re about to eat really the fish you intend to eat? Another thing to ask is, was it shipped over seas? If it was it doesn’t benefit anyone, it won’t help the economy or you. Many fish shipped from a long ways creates pollution and may have lost its nutrients value from the long voyage. One last thing to do is if you see a sewer with a sign leading to the ocean, try not to leave trash near it, or better yet don’t litter at all! All the litter left out on streets or near sewers can cause pollution in oceans, lakes, and rivers which is very harmful for marine life. You can still enjoy fish, but not at such a high demand as
Rupert Murray’s The End of the Line focuses on the depletion of the oceans fisheries and the devastating effects it has already begun to have on ecosystems and less affluent populations. The film opens with a description of the tribulations of Newfoundland. Once possessing waters so populous with cod that one could “walk across their backs in the water,” improved technology and larger fishing vessels began to deplete the fish stocks. Despite placing a moratorium on fishing in 1992, the fisheries had already been depleted to the point of complete collapse. Similar processes are occurring around the world, as only .6% of the ocean is restricted to fishing vessels. According to the film, much of the ocean’s catch has declined by 90%; the continuation of current trends if continue, stocks will collapse by 2048.
You're planning a vacation to Hawaii and want to do some fishing while here. If you're planning to hop on a charter sport fishing boat or some other commercial offshore excursion, you don't have anything to worry about except for showing up at the dock on time.
Overfishing refers to an act of fishing more than what the population can replace through normal reproduction (WWF, 2016). This was led by international government efforts to increase fishing capacity in the mid-20th century, which then led to the increase in availability and affordability of protein-rich foods. With this, profitable commercial fleets became aggressive, scouring the world’s oceans and developing sophisticated technologies to find and catch their targeted species. Thus, with a wide selection of fish species available at affordable prices, customers soon became used to them (Geographic, 2016).
I chose to discuss overfishing as my topic. The definition of overfishing is: form of overexploitation where fish stocks are reduced to below acceptable levels. Overfishing can be broken down to three main categories: overcapacity of vessels in the water, unsustainable fishing and food needs. Overfishing can occur in bodies of water of any shape and size.
There are many impacts that fishing and land animal farming have on the ocean, which are detrimental to ocean ecosystems as well as many other aspects of the environment. Overfishing, killing fish at a much quicker rate than the fish can repopulate, is one major problem. Three-fourths of the world’s fisheries are either fully exploited, overexploited, or depleted (Cowspiracy). Researchers have estimated an end of all viable fisheries by 2018 if the current trends of fishing continue (Mason). According to the Monterey Bay Seafood Watch, hundreds of thousands of animals die every year as bycatch, with one of the worst offenders being shrimp fisheries, catching up to six pounds of bycatch per pound of shrimp. Endangered species are also caught, including predators which are important in keeping the balance in ocean ecosystems (Smith). While many organizations such as the Monterey Bay Aquarium Seafood Watch recommend consumers to eat more “sustainable” fish, this will not stop the massive environmental impacts. Sustainable fishing for one does not account for the natural flux in the population of species of fish; what is considered a sustainable amount of fish to harvest one year may deplete the fishery in another year (Smith). Sustainable fish also are becoming even less sustainable as companies that label sustainable fish must find more For example, after Wal-Mart pledged to selling Marine Stewardship
Jack: Yes, Overfishing is a global disaster. Over three quarters of the world is covered by oceans and are full of fish. You see, lots of people love to fish, but some people take it a bit over the top. Fishermen fish almost everyday but some of them fish for hours and hours catching a ton of fish. Millions of people rely on the ocean every day and other people in other parts of the world that need the fish in the water to eat and survive on.
Why? Our oceans cover nearly three fourths of the surface of our earth. According to overfishing.org, eighty percent of all life on earth is in the ocean, and us humans are threatening and driving them to extinction by overfishing. What is overfishing? Overfishing is defined as “To fish (a body of water) to such a degree as to upset the ecological balance or cause depletion of living creatures.” (Merriam Webster Dictionary) Recent studies from the Environmental Defense Fund reveal a bleak truth: Overfishing is depleting our oceans of sea life around the world. 87% of the world’s assessed fish stocks are at their breaking point, classified as overexploited or fully exploited. 1 out of 2 fish stocks in the U.S. are either overfished or at risk of being overfished. Moreover, 100 million sharks are killed each year. Carl Safina, world-renowned author of books such as Song for the Blue Ocean, once said, “If you're overfishing at the top of the food chain, and acidifying the ocean at the bottom, you're creating a squeeze that could conceivably collapse the whole system.” Overfishing is classified as the most dangerous threat our oceans are facing today. Worldwide, about 90% of fish stocks are gone forever. In 1990 our oceans contained at least six times more fish than they do today. Collapsing fish stocks create large ecological dead zones in our
Many of the methods used in commercial fishing are very destructive to the aquatic systems. Industrial ocean trawlers scrape the bottom of the water, often dragging up the seafloor with them. This destroys the habitat and kills many of the bottom dwelling organisms that are vulnerable to these practices. There is also a large amount of marine animals that are unintentionally caught by the large nets. These animals are considered bycatch, having no value to fishermen and are usually killed. These large fishing vessels also add a significant amount of pollution to the water. Fishing vessels cause oil spills as well as discharging chemical elements and wastes into the water. The thousands of of trawlers that pass through Japanese waters create large quantities of water pollution that can devastate aquatic life by changing the chemical composition of the water and affecting all the organisms that inhabit these
It is estimated that 90% of the big fish in the oceans are disappearing according to CNN. Overfishing has been a big impact on the world today and it has affected many people. Truthfully, overfishing is a big problem today and drastic measures should be taken to prevent it. Fish have been decreasing by too much each year and solutions should be made. Overfishing has become a problem each year and measures should be taken to limit the effects, such as keeping fish in captivity and controlling pollution.
Overfishing is the most major problem related to oceans, but it is also the most overlooked. Fishing has been going on for thousands of years, and fish have always been seen as a renewable resource, that would replenish itself forever for our benefit. But around the world there is evidence that fish are not recove...
ABSTRACT Global overfishing is one of the biggest threats to the health of the oceans and seas, and the animals living in them. Also, overfishing directly influences humans, especially those in underdeveloped and developing countries. Tones of fish are daily pulled out of the sea, and unfortunately, that quantity of caught fish is a lot bigger than it can be naturally replaced. People started fishing a long time ago, mostly for food, but when they made fishing nets and modern hooks overfishing started. They were still fishing for food, but they wanted to catch as many fish as possible because they could sell it, or save it for later.
Unless the current situation improves, stocks of all organisms that are currently fished for food are predicted to collapse drastically by 2048 (WWF 2.) Briggs emphasizes that over-fishing “has induced population collapses in many species. So instead of having less than a hundred species at risk, as was the case some 30-40 years ago, there are now a thousand or more