Ocean OverfishingNicole HarrisENV/320June 23‚ 2014Frederick GrossOcean Overfishing Overfishing is a problem that occurs when fish are caught faster than they can reproduce. This is a problem that has been occurring for centuries and continues to be a problem today. Commercial fishing has driven many fish species to the brink of extinction. A scientific report done in 2003 estimates that industrial fishing “has reduced the number of large ocean fish to just 10-percent of their pre-industrial
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Conclusion The chemical changes in ocean acidification is known to be caused by an increase in the concentration of carbon dioxide (CO2) in the atmosphere‚ resulting in the lowering of the pH making water more acidic‚ an increase in dissolved carbon dioxide (CO2)‚ a reduction in the concentration of carbonate ions and an increase in bicarbonate ions. The oceans are currently taking up about one ton of carbon dioxide (CO2) associated with human activities per year. Almost half of the carbon dioxide
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Discussion Section-1 November 17‚ 2011 The other CO₂ Problem Todays oceans are not the same as they once were prior to the industrial revolution. The ocean serves as a reservoir for the worlds green house gasses. The increase in anthropogenic CO₂ has also resulted in an increase in the uptake by the ocean of CO₂. As a result of this uptake‚ the ocean is becoming progressively more and more acidic. This acidification of the ocean is expected to have great impacts on marine ecosystems. Coral reefs
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Ocean acidification is the continuous reduction of the ocean’s pH‚ carbonate ion concentration‚ and saturation states of biological calcium carbonate minerals. Ocean acidification is caused by the uptake of carbon dioxide from the atmosphere. According to “Ocean Acidification: The Other CO2 Problem‚” after the industrial revolution‚ carbon dioxide levels in the atmosphere has increased nearly 40%‚ primarily due to the burning of fossil fuels and deforestation (Doney S. 2009). The increase of
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Billions of years ago planet Earth did not look like it does today‚ it was covered in lava and volcanoes. There was no possible way that life could exist on the planet. However‚ eventually the planet started cooling down; huge amounts of steam rose causing clouds. Then the clouds rained. One thousand years of continuous raining caused oceans which made earth like it is today. Planet Earth‚ also known as the blue planet‚ has oceans covering three quarters of the Earth’s surface. Oceans have a system
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Today’s aviation environment is much different then the one we had almost 30 years ago. Our old environment was highly regulated in terms of how the airlines operated economically. Before the Airline Deregulation Act of 1978 the CAB (Civil Aeronautics Board)‚ now the FAA (Federal Aviation Administration)‚ regulated all domestic air transport as a public utility‚ setting fares‚ routes‚ and schedules. The CAB was the driving force behind the entire airline industry. If an airline wanted to start
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LETTERS PUBLISHED ONLINE: 3 JULY 2011 | DOI: 10.1038/NGEO1185 Deep-sea mud in the Pacific Ocean as a potential resource for rare-earth elements Yasuhiro Kato1 *‚ Koichiro Fujinaga1 ‚ Kentaro Nakamura2 ‚ Yutaro Takaya1 ‚ Kenichi Kitamura1 ‚ Junichiro Ohta1 ‚ Ryuichi Toda1 ‚ Takuya Nakashima1 and Hikaru Iwamori3 World demand for rare-earth elements and the metal yttrium—which are crucial for novel electronic equipment and green-energy technologies—is increasing rapidly1–3 . Several types of seafloor
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The ocean is home to many of the most prominent‚ yet commonly looked over‚ indicators of anthropogenic climate change present in society today. Often these indicators are in connection with many other obvious‚ more recognized factors such as the emission of greenhouse gases or the drastic change in global temperatures. More specifically‚ ocean acidity can be looked at very closely to determine the severity of the situation of climate change‚ and how it is consistently affecting our planet’s marine
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The Atlantic Ocean is a little smaller than the Pacific Ocean. sharks are found in the Atlantic Ocean‚ which is near the gulf. A pretty cool fact I found is a mountain called the mid-Atlantic Ridge. Secondly‚ the Southern Ocean close to Antarctica. The arctic ocean is the habitat of the penguins we call Emperor penguins. the arctic ocean is five million square miles big to a depth of eight-teen thousand. The Atlantic Ocean runs 32 million square miles‚ the arctic ocean is five million square miles
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Effect of Deregulation of the Motor Carrier Industry The motor carrier industry has been regulated since the creation of the Motor Carrier Act of 1935‚ which was an amendment to the Interstate Commerce Act. The intended purpose of regulation is to restrain exorbitant prices‚ ensure sufficient profits for expansion‚ prevent unequal bargaining power‚ and to protect public interest (Parming‚ 2012‚ p. 23). However economists and academicians contend that the motor carrier regulatory structure obstructed
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