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Human/Oceans

8.11C

TermDefinition
Ocean systems Oceans cover about 70% of the Earth's surface. There is only one global ocean, which is geographically divided into the Atlantic, Pacific, Indian, Arctic, and Southern (Antarctic) Oceans
Run-off 80% of the pollution in the ocean comes from land-based sources, such as sewage, animal wastes, fertilizers and other chemicals and sedimentation from soil erosion
Artificial Reefs human-made underwater structure built to provide ocean animals and plants protection and a place to grow and reproduce
Ocean Resources Mined for minerals (salt, sand, gravel, and some manganese, copper, nickel, iron, and cobalt can be found in the deep sea) and drilled for crude oil. The ocean removes carbon from the atmosphere and provides oxygen. It regulates Earth's climate.
Why the Ocean is Important? The ocean and coastal ecosystems provide nearly a million jobs in the United States through fishing, recreation, and tourism.
Why the Ocean is Important? More than 180 million people visit the ocean and the coast for recreational purposes each year.
Why the Ocean is Important? Over 50% of people living on Earth live within 50 miles of the coast and the ocean.
 

 



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