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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 ...
A United States Navy Mass Communication Specialist conducting underwater photography training Neon goby (Elacatinus oceanops) swimming over a great star coral (Montastraea cavernosa) Wide-angle shot of coral reef in East Timor. Underwater photography is the process of taking photographs while under
Le Morne Brabant [lə mɔʁn bʁa.bɑ̃] is a peninsula at the extreme southwestern tip of the Indian Ocean island of Mauritius.On it is a basaltic monolith of the same name 556 metres (1,824 ft) high.
The park was established in 1979 and covers 2700 hectares (6700 acres) and includes a coral reef, seagrass, and mangrove vegetation. [2] [3] The Lac Bay lagoon is also part of the underwater park. In 1999, the underwater park received the status of national park from the Netherlands Antilles.
The dive sites of the Great Barrier Reef and Coral Sea. Comprehensive coverage of diving and snorkelling: 1996 New Holland (Publishers) Ltd. London, Cape Town, Sydney, Singapore Marine life of the Maldives: 2000 Atoll Apollo Bay, Victoria ISBN 1876410361: Underwater naturalist: 2004 Neville Coleman's Underwater Geographic Springwood, Queensland
The site is an excellent example of a pristine coral reef with a spectacular 100-m perpendicular wall, extensive lagoons and two coral islands. [3] In 1999, Ramsar listed Tubbataha as one of the wetlands of international importance. [4] In 2008, the reef was nominated at New7Wonders of Nature. [5]
The Australian shore of the Coral Sea is mostly composed of sand. The GBR is too far away to provide significant coral deposits, but it effectively screens the coast from the ocean waves. As a result, most land vegetation spreads down to the sea, [26] and the coastal waters are rich in underwater vegetation, such as green algae. [27]
Aquarius is located under 20 m (66 ft) of water at the base of a coral reef within the Florida Keys National Marine Sanctuary, an ideal site for studying the health of sensitive coral reefs. The laboratory is most often used by marine biologists for whom Aquarius acts as home base as they study the coral reef, the fish and aquatic plants that ...