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The Amazon Reef (also referred to as the Amazonian Reef) is an extensive coral and sponge reef system, located off the coast of French Guiana and northern Brazil. It is one of the largest reef systems in the world known to exist, with scientists estimating its length to be over 600 miles (970 km) long, and covering over 3,600 square miles ...
A coral reef is an underwater ecosystem characterized by reef-building corals. Reefs are formed of colonies of coral polyps held together by calcium carbonate. [1] Most coral reefs are built from stony corals, whose polyps cluster in groups. Coral belongs to the class Anthozoa in the animal phylum Cnidaria, which includes sea anemones and ...
About 25% of the ocean's fish depend on healthy coral reefs. Coral reefs cover only a tiny area of the ocean floor — about 1% of the total marine habitat — but, like bustling cities, they ...
Canton Island typifies the isolated coral atolls dotting the Pacific Ocean. The Structure and Distribution of Coral Reefs, Being the first part of the geology of the voyage of the Beagle, under the command of Capt. Fitzroy, R.N. during the years 1832 to 1836, was published in 1842 as Charles Darwin's first monograph, and set out his theory of the formation of coral reefs and atolls.
The reef has a number of colonies [citation needed] of hard coral atop rock outcroppings that run parallel to the coast, [5] occurring in progressively deeper water offshore. After organizing by local community groups, [ 6 ] the area was designated a national park in 1995, a UNESCO World Heritage Site in 2005, and a Ramsar Wetland of ...
The Great Barrier Reef is the world's largest coral reef system, [1] [2] composed of over 2,900 individual reefs [3] and 900 islands stretching for over 2,300 kilometres (1,400 mi) over an area of approximately 344,400 square kilometres (133,000 sq mi).
Pulley Ridge is a mesophotic coral reef system off the shores of the continental United States. [1] The reef rests on sunken barrier islands [2] and lies 100 miles west of the Tortugas Ecological Reserve and stretches north about 60 miles at depths ranging from 60 to 80 meters. [3]
The Miami Terrace Reef 1] is a coral reef off the coast of Florida stretching from South Miami to Boca Raton, in the Atlantic It lies in depths of 650 to 2,000 feet (200 to 610 m) on top of a geological formation known as the Miami Terrace, a 40-mile (65 km) long shelf about 15 miles (24 km) off shore. [ 2 ]