The use of natural resources
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The document discusses three types of marine natural resources: physical, energy, and biological resources. Physical resources include sand and gravel extraction from coastal shelves. Energy resources involve harnessing energy from ocean thermal gradients, waves, tides, and currents. Biological resources comprise fishing, harvesting of animals like clams and crabs, and aquaculture. Responsible use of these marine resources can sustain oceans for future generations.
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The use of natural resources
- 1. The use of Marine Natural Resources Their Types and Their Impacts
- 2. Three Types of Marine Resources Energy Physical o Biological
- 3. Physical Marine Resources Sand and Gravel Extraction Most of the exploitable Only about 1% of the world’s U.S. deposits of marine total sand and gravel sand and gravel are production is scraped and found off the coasts of dredged from continental Alaska, California, shelves each year. Sand is Washington and the East used in Portland cement, Coast from Virginia to glass and animal feed Maine. supplements.
- 5. Marine Energy Resources Energy can be extracted from the heat or motion of seawater. The greatest potential for energy generation in the ocean lies in exploiting the thermal gradient between warm surface water and cold, deep water. The low efficiency of ocean thermal energy technology has so far made it difficult to exploit this resource.
- 6. Marine Energy Resource Ocean Thermal Energy Conversion (OTEC)
- 7. Other Energy Resource Examples Wave Current Wave
- 8. Biological Marine Resources Fishing Animal Harvesting
- 9. Other Biological Resource Examples Commercial and Private Clam Digging Crab Harvesting Sea Cucumber Harvesting
- 10. The Future Responsible Use of Marine Resources Can Sustain Our Oceans for Future Generations
- 11. Conclusion Physical Marine Resources Sand, Gravel, Salt, Oil Energy Marine Resources Waves, Tides, Currents Biological Marine Resources Fishing, Clamming, Crabbing, Aquaculture
- 12. • Photo Credits http://mainelandings.org/2011/04/15/gulf-of-maine-brand-to- promote-responsibly-harvested-seafood/ bestgreenblogs.com http://www.flikindependentschools.com/Social_Responsibility_Fli k.cfm villageofsolvay.com aquafornia.com http://www.greenlivinganswers.com/blog/wp- content/uploads/2008/03/21/wave-farms-hydropower-and-the- pelamis-wave-energy-converter/Pelamis-Wave-Energy- Converter.jpg http://coastalmanagement.noaa.gov/programs/otec.html