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  2. Marine coastal ecosystem - Wikipedia

    en.wikipedia.org/wiki/Marine_coastal_ecosystem

    Coral reefs, seagrasses, and mangroves buffer habitats further inland from storms and wave damage as well as participate in a tri-system exchange of mobile fish and invertebrates. Mangroves and seagrasses are critical in regulating sediment, freshwater, and nutrient flows to coral reefs. [136] The diagram immediately below shows locations where ...

  3. Coral reef - Wikipedia

    en.wikipedia.org/wiki/Coral_reef

    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 ...

  4. Marine ecosystem - Wikipedia

    en.wikipedia.org/wiki/Marine_ecosystem

    Coral reefs are one of the most well-known marine ecosystems in the world, with the largest being the Great Barrier Reef. These reefs are composed of large coral colonies of a variety of species living together. The corals form multiple symbiotic relationships with the organisms around them. [7]

  5. Meandrina meandrites - Wikipedia

    en.wikipedia.org/wiki/Meandrina_meandrites

    It mainly occurs on the seaward sides of reefs but also occurs on the back slopes. Its favoured depth range is 8 to 30 metres (26 to 98 ft) but it occurs at any depth less than 80 metres (260 ft). It tolerates locations with high levels of sedimentation and turbidity. It is generally the coral most frequently seen in the deeper parts of its range.

  6. Anthozoa - Wikipedia

    en.wikipedia.org/wiki/Anthozoa

    Coral reefs are some of the most biodiverse habitats on earth, supporting large numbers of species of corals, fish, molluscs, worms, arthropods, starfish, sea urchins, other invertebrates and algae. Because of the photosynthetic requirements of the corals, they are found in shallow waters, and many of these fringe land masses. [ 24 ]

  7. Fringing reef - Wikipedia

    en.wikipedia.org/wiki/Fringing_reef

    Aerial view of Ningaloo Reef in Western Australia, the largest fringing coral reef in the world and a UNESCO World Heritage Site. Fringing reefs are located near shore in the tropics in many areas and are the most common reef type. Coral reefs are found in the tropics in which the water is between 18 and 30 °C (64 and 86 °F). [6]

  8. The Structure and Distribution of Coral Reefs - Wikipedia

    en.wikipedia.org/wiki/The_Structure_and...

    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.

  9. List of reefs - Wikipedia

    en.wikipedia.org/wiki/List_of_reefs

    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 ...