Coral reefs are diverse underwater ecosystems secreted by calcium carbonate structures by corals are held together. These corals are not able to move and so that they form clusters with other coral colonies. Coral reefs are of different size, type and location, and they are very sensitive organisms. They want clear and warm water. Therefore, all coral reefs are in the tropical places.
Today, coral reefs are threatened by human. The greatest pleasure are the fishermen. Many coral reefs in the South China Sea are threatened with extinction, and this has to stop. , Check out these great photos of the 10 largest coral reefs and can increase awareness of coral reefs to help
Great Barrier Reef, Australia
Length: 1553 miles (2500 km)
Location: Coral Sea near Australia
Image by eutrophication & amp; amp; Hypoxia via Flickr
Image by Richard Ling via Flickr
Red Sea Coral Reef
Length : 1180 miles (1900 km)
Location: Red Sea near Israel, Egypt and Djibouti
Image by Derek Keats via Flickr
Image by Dmytro Kochetov via Flickr
New Caledonia Barrier Reef
Length: 932 miles (1500 km)
Location: Pacific Ocean near New Caledonia
Image by J Brew via Flickr
The Mesoamerican Barrier Reef
Length 585 miles (943 km)
Location: Atlantic Ocean near Mexico, Belize, Guatemala and Honduras
Photo by Tony Rath
The US Geological Survey (USGS) [Public domain], via Wikimedia Commons
Florida Reef
Length: 200 miles (322 km)
Location: Atlantic and Gulf of Mexico near Florida
Image by Rafael Robayna via Flickr
Andros Coral Reef
Length: 124 miles (200 km)
Location: Bahamas between Andros and Nassau
Image by Sean Nash via Flickr
Zhongsha Islands (Macclesfield Bank)
Length: 50 miles (81 km)
Location: South China Sea
Credit: Hughes et al. Current Biology
Saya De Malha
Area: 15,444 square miles (40,000 km ²)
Location: Indian Ocean
Image Source
Great Chagos Bank
Area: 4,633 square miles (12,000 km ²)
Location: The Maldives
Image by faiyu Shafyq via Flickr
Reed Bank
Area: 3,423 square miles (8,866 km²)
Location: South China Sea, the Philippines claimed
Image by Storm Crypt via Flickr
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