Dr Sylvia Earle Essay

761 Words2 Pages

J. Anderson
Stephanie Branscum
Dr. Sylvia
1. Yes, Dr. Sylvia Earle has the authority to speak on this subject because she is the first woman to serve as NOAA’s Chief Scientist, ocean explorer, and marine biologist, and has other qualification that makes her reputable. According to Harte Research Institute, “Dr. Sylvia Earle is a marine biologist, ocean explorer, author, lecturer, first woman to serve as NOAA's Chief Scientist, and now Explorer-in-Residence at the National Geographic Society. She has logged more than 6,000 hours underwater in many different kinds of underwater vehicles.”
2. 85% of ocean water is effected by polluted. Nonpoint source pollution is caused by runoffs is one of the biggest sources of ocean pollution. 80% of the ocean pollution comes from land. According to National Ocean Service, “Nonpoint source pollution includes many small sources, like septic tanks, cars, trucks, and boats, plus larger sources, such as farms, ranches, and forest areas. Millions of motor vehicle engines drop small amounts of oil each day onto roads and parking lots. Much of this, too, makes its way to the sea.”
3. Concentrated areas of ocean pollution …show more content…

A dead zones are areas that do not have enough oxygen to support life. Currently there are 405 dead zones that exist today that we are aware of. These occur when fertilizer run off feeds causes algae that eventually die becoming food for oxygen consuming microbes. "More than 212,000 metric tons [235,000 tons] of food is lost to hypoxia in the Gulf of Mexico," says marine biologist Robert Diaz of The College of William & Mary in Williamsburg, Va., who surveyed the dead zones along with marine ecologist Rutger Rosenberg of the University of Gothenburg in Sweden. "That's enough to feed 75 percent of the average brown shrimp harvest from the Louisiana gulf. If there was no hypoxia and there was that much more food, don't you think the shrimp and crabs would be happier? They would certainly be fatter" (qtd. In

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