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Earth Science

Man-Made "Dead Zone" In Gulf of Mexico the Size of Connecticut 184

Taco Cowboy writes Somewhere in the Gulf of Mexico there is a man-made "Dead Zone" the size of the State of Connecticut. Inside that "Dead Zone" the water contains no oxygen, or too little to support normal marine life, especially the bottom dwelling fish and shrimps. The "Dead Zone" measures about 5,000 square miles (13,000 square kilometers) [and] is caused by excess nutrient runoff from farms along the Mississippi River, which empties into the Gulf. The excess nutrients feed algae growth, which consumes oxygen when it works its way to the Gulf bottom. The Gulf dead zone, which fluctuates in size but measured 5,052 square miles this summer, is exceeded only by a similar zone in the Baltic Sea around Finland. The number of dead zones worldwide currently totals more than 550 and has been increasing for decades.
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Man-Made "Dead Zone" In Gulf of Mexico the Size of Connecticut

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