According to the reading, some marine animals known as sea cow were extinct long ago and the reason s of that are unclear. Moreover, the author provides three notions to illustrate the extinction’s reasons, while what the professor presents is at odds with the reading’s claim. First of all, the reading passage holds the view that overhunting by the native people was the main reason of diminishing the animal’s population. Conversely, the lecture brings up the idea that the numbers of sea cows were massive and the numbers of people who lived there were small. So, it’s obvious, just a small number of them can support all people for months. Furthermore, the author argues that because of ecosystem disturbance, main food resource of sea cow such
In this entertaining, search into global fish hatcheries, New York Times writer Paul Greenberg investigates our historical connection with the ever changing ocean and the wild fish within it. In the beginning of the book Paul is telling his childhood fishing stories to his friends, that night Paul discovers that that four fish dominate the world’s seafood markets in which are salmon, tuna, cod, and bass. He tries to figure out why this is and the only logical answer he could come up with is that four epochal shifts caused theses wild fish population to diminish. History shows that four epochal shifts happen within fifteen years causing certain fish species populations to diminish. He discovers for each of the four fish why this happened to
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.
To fight is to stand up for what is right, break through the walls of what is acceptable, and to have the fire blazing in the eyes of a warrior. Throughout life society has taught humanity to form into a definite way that should not ever change, but through life there has been a small population who are immune from societies spell. The outcasts that must battle to stand up for what they believe is right. In the novels Antigone, Anthem, and in the movie Whale Rider, the main characters fight for what they believe is right by standing up to society's norms the society has deemed acceptable.
Shirihai, H. and B. Jarrett (2006). Whales, Dolphins and Other Marine Mammals of the World. Princeton, Princeton University Press. p.185-188.
Whales living in captivity become aggravated and have been known to take out anger on themselves by self harming. In the pools they live in, metal bars are placed in between the pools to prevent the killer whales from swimming to another pool. On several occurrences, the whales have attempted to bite and break the metal bars. This leaves the whales with broken teeth and a risk of infection. Infections in killer whales can lead to death in many cases. If a whale gets an infection, they have to be taken out of the pool and placed into another pool by themselves to prevent any problems with other killer whales they live with. In many cases, whales with infections need serious care from whale specialists.
Earth's oceans make up over 75% of the Earth as a whole. With that being said, it is vital to understand the significance on the contents of the oceans. Since fish and marine products make up a large portion of our diet, fishing practices need to be properly managed. In this essay, overfishing will be defined, its consequences will be revealed, and plans for proper fish distribution will be executed.
What do you think about of Killer Whales when you see them? The whale is 35 feet long and weighs up to 9 tons. That is 18,000 pounds! The Killer Whale looks like a fast submarine. Killer Whales have rounded flippers, and their bodies are very long and round. Also their tails are very narrow compared to the body. The colors of the Killer Whale are Black and white. Female Killer Whales have smaller fins then the males. Killer Whales have teeth that look like pegs.
A poem without any complications can force an author to say more with much less. Although that may sound quite cliché, it rings true when one examines “The Fish” by Elizabeth Bishop. Elizabeth’s Bishop’s poem is on an exceedingly straightforward topic about the act of catching a fish. However, her ability to utilize thematic elements such as figurative language, imagery and tone allows for “The Fish” to be about something greater. These three elements weave themselves together to create a work of art that goes beyond its simple subject.
Seaworld is a giant marine life theme park. The greatest attraction to these many theme park would be those killer whales. In fact, these killer whales are the face of the park. As gigant as these mammals are, seaworld is keeping them in some pretty tight quarters. Mr. Jett and Mr.Ventre says “Wild killer whales can swim a hundred miles daily as they socialize, forage, communicate, and breed. In stark contrast, with little horizontal or vertical space in their enclosures, captive orcas swim only limited distances, with most spending many hours surface resting.” The animals don't have the freedom they need. Also when taking the whales out of their natural habit the whales tend to be depressed and not as heath in that situation. They need their freedom in the big ocean blue. Bring them into the small living units, breeding whales in captivity all for the entertainment of humans. At young ages the calves are taken away from their mothers on to a new seaworld park. Mothers of the calves have even been seen denying their offspring.
The reading states that three theories of the Steller's sea cow extinction and provides three reasons of support. However, the professor states that we still do not know the cause of the sea cow extinctions and refutes each of the readings' theories.
Seahorses have one of the strangest reproduction cycles. Out of both genders of seahorses the male is the most important. Females are the gender most commonly associated with pregnancy, but there are many species in nature in which the male carries the offspring. Seahorses are one of those species. Male seahorses are very crucial to seahorse reproduction because they carry the offspring, conceive the offspring, and let them grow up.
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 specie. Overfishing causes a ripple effect that hurts the entire ecosystem. The balance of chain depends largely on the interaction between the predator and the prey. 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 are a urgent problem, around 90% of predatory fish stocks are depleted. The ripples can extend even further to land creatures like
Every chapter about whaling, from how to eat a whale to the names of heroic whalers, brings the reader closer, inch by inch, to a world they cannot otherwise experience on their own. They make the reader feel more connected to a story brimming with technicalities and sailor jargon that might, if left unexplained, be off-putting. While Melville's cetology lessons may have been entertaining and informative for his reader at the time, they also lay an essential, factual foundation upon which he can build the fantasy of the legend of Moby Dick. Melville provides encyclopedic, overwhelming lists of facts, but on occasion his facts are less than truthful, especially with regard to the White Whale. He routinely exaggerates the whale's dimensions from those given in his reference books, attempting to make the generally peaceful sperm whale seem more ferocious. To the reader, it should not matter whether or not Moby Dick is a scientifically accurate account of whale
The first cause of the marine extinction is coming from over-fishing and commercial fishing. According to Marine Extinction and Conservation, commercial fishing has
Marine protected area is an essential instruments in marine biodiversity conservation. It has been applied by various institution and nation throughout the world to encounter several issue from fish stock collapse to habitat degradation (IEEP and NRDC, 2008). Marine protected area can act as a residence for certain species, habitat, and ecosystem as well as cultural heritage which cannot survive in other human intervened area. It can also act as the standard of how human should deal with nature.