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The negative effects of overfishing
Overfishing impact on humans
Overfishing impact on humans
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Recommended: The negative effects of overfishing
We've recently learned that overfishing http://www.care2.com/causes/overfishing-it-aint-over-till-its-over.html is an even bigger problem than we thought and fish are declining faster than we thought. http://www.care2.com/causes/overfishing-is-actually-worse-than-we-thought.html Japan's commercial fishing activities -- sonar tracking devices and huge purse seine nets -- to catch vulnerable http://www.iucnredlist.org/details/170341/0 Pacific bluefin tuna exemplify everything that's wrong with overfishing.
No Eggs, No Next Generation
As reported in Yale e360, http://e360.yale.edu/feature/in_japan_a_david_versus_goliath_battle_to_preserve_bluefin_tuna/2950/ small-scale Japanese fishermen are fighting the big guys to save the disappearing tuna and to save their livelihoods. Before industrial fishing practices started, the Pacific bluefin tuna was abundant. But Japan's industrial fishing targeting the Pacific bluefin tuna's spawning grounds is accelerating the decline: thousands of congregated fish are scooped up in giant nets and sold to corporations like Nippon Suisan Kaisha and Maruha Nichiro Corporation. And this is only one of two confirmed spawning sites.
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That's why in 2014, 347 Japanese fishermen took the bold step of forming their own organization (Iki Association to Think About Tuna Resources) to lobby for fairer rules. Even though these small fishermen depend on the tuna for the livelihoods and sending their children to school, they took a pay cut by not fishing during the spawning season. Obviously, Japan's industrial fishing didn't follow suit. To date, Japan's government hasn't imposed a ban on the use of sonar tracking devices and huge purse seine nets in spawning
In the past twenty years a large amount of bottlenose dolphin have been killed due to the tuna fishery. In the Eastern Pacific swim large schools of tuna, these shoals tend to be under herds of dolphins, for some unexplained reason. Because of this, fishermen can easily find schools of tuna. The tuna are being caught under purse seine nets, which encircles the shoals of tuna and then is pulled back on board the fishing vessel, catching both tuna and dolphin. Initially the mortality rate was 500,000 each year for dolphins alone. Although some efforts are made to encourage the dolphins to leave the net by backing down part of the net, which allows the dolphins to escape, there are still a large number of mortalities (Bryant). On the other hand, in the last few years there has been dramatic progress in stopping the fishing industries from using purse sine nets. It has been found that dolphins are in immediate danger of extinction if these fishing techniques don’t stop.
Overfishing is defined as a form of overexploitation where fish stocks are brought down to unacceptable levels. In the UN Food and Agriculture Organization’s 2 yearly report (SOFIA), it states how over half of the fish stocks, worldwide, are fully exploited. Other research has shown it only takes 10-15 years of industrial fishing to obliterate a tenth of the intended species. Overfishing causes a ripple effect that hurts the entire ecosystem. The balance of the chain depends largely on the interaction between the predator and the prey.
In Japan, although the government appears to operate under international law, it is often found to use the "scientific research" loophole. This includes whaling in Antarctica. There are also government subsidies in place to promote this "scientific research". I understand a little about subsidies, in America we have subsidies on milk so prices are kept low enough for people with low incomes to buy milk. I am starting to see why the anti-whale people are a bit put out by Japan. If this is so important to their culture, why does this industry need subsidies to survive?
People should reduce fishing in Hawaii because the Monk Seal population is declining for the seals get entangled in the nets of the fishermen set out for other fish rather than the seals (Gravitz “Hawaiian Monk Seal”). Fishing is one reason that these wonderful seals are facing a decline in population. Fishing attracts seals who hope to get away with an easy meal. It is not everyday that seals get to feast on an amount of fish this gigantic. They venture close to the nets to capture stray fish. However, these seals sometimes find themselves trapped in the fishing nets. This leads to most of those seals getting killed off by the fishermen. Undoubtedly, fishing is one of the reasons that this beautiful seal is critically endangered, as well as starving.
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
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.
Looking at Figure C, we can say more than 200,000 blue whales has been killed as results of overhunting. In 1966, the International Whaling Commission banned commercial whaling for blue whales, but illegal hunting still occurs (NOAA). While blue whales are no longer being threatened by overhunting, their population is drastically depleted. Like many other marine species, blue whales are being harm by many others factors today. This include collisions of ships, chemical pollution such as oil spills, and noise pollution from vessels (Eco). The population of blue whales is known to be around “10,000 to 25,000 ” (World Wild Life).
One of the most prominent marine hunting nations in the world is the Japanese. Commercial Whaling has been a big part of Japan’s industry and economy, since the 17th century, it has been one of the main sources of food for the Japanese people. During the 1900s, whales became an important part of the Japanese diet because it provided a lot of protein and was accessible to Japan during World War II when food was scarce. The year with the highest number of whales caught by Japan was in 1962 when 226,000 tons of whale meat was sold nationwide. In 1982 a decision was made by the International Whaling Commission that would ban commercial whaling in Japan, this was known as the moratorium that was finally enforced in 1986. Unfortunately the moratorium was only successful for a couple of years; shortly after Japan was able to hunt whales for :scientific research” which did not violate...
Now, fish is sold at almost every grocery store and a popular food today. However, over-fishing is a problem going on in the ocean today. It kills coral reefs and endangers different species of animals. Although fishing supplies humans with a substantial amount of nutrients, it is important to realize the detrimental effects it can have on the ocean too.
“Overfishing occurs when more fish are caught than the population can replace through natural reproduction”. CITATION
More than 4,000 years ago, Japan was one of the first countries to start whaling, Norway was another. When whaling first began, every part of the whales were then use: the meat, skin, bones, blubber, and organs. During the Middle Ages, whaling grew in Northern Europe because of whale oil and baleen (also known as whalebone). The oils were used for oil lamps and the baleen was used for corsets and hoop skirts (NG). Japanese culture was founded on the idea of whaling. Eating whale meat is a sacred Japanese tradition that they as a country feel shouldn’t be broken. Today Japan says that their whaling research over past years has led the way to sustain this “renewable marine food resource” (NG).
Tokyo is popular for many things and one of them is fishing. It is home to Tsukiji Fish market which is the largest fish market in Japan and the world at large. The market hosts Tuna auctions every morning and if you are a tourist in Japan then you might want to check it out. However, the place is a market and business comes first. Tourists are allowed in to the market but there are rules to follow so as to enter and enjoy the booming fish market.
Commercial fishing poses many threats to the Oceans ecosystems if a renewable solution is not discovered and incentivised across the globe. The current rate at which fish are captured and consumed is unsustainable and results in habitat degradation, which is the process in which natural habitat is rendered unable to support the species present. In observing sustainable solutions one must acknowledge that sustainability is defined as “able to be maintained at a certain rate or level” (sustainable). At the current rate in which fish are being captured the commercial fishing industry is actually promoting overkilling of species within the oceans. Commercial fishing captures and kills an estimated “124 million metric tons, which is equivalent in
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
Blast fishing is just about as ludicrous, if not more so, in practice. It is a method of fishing by which explosives are utilized in order to stun or kill schools of fish for easy collection. The explosions indiscriminately kill large numbers of fish, along with any other surrounding marine organisms, and damage or destroy the physical environment, causing tremendous damage when used around coral reefs. This practice is considered by researchers to be one of the greatest threats to coral reef ecosystems. The use of explosives in their vicinity destroys their calcium carbonate skeletons, reducing them to no more than rubble, completely incapable of regrowth or recovery. In fact, the damage to the reef, as it reduces fish population, leads to immediate deteriorations in fish species’ wealth and quantity. Highly illegal, and highly destructive, this practice is controlled by the surrounding countries to the best of their ability.