Coral islands created by accretion have developed from rubbly reef rock broken off from the reef by storms and waves and mixed with finer reef detritus. The exceptional conditions of cyclonic storms are sometimes sufficient to create reef-top shoals in a single event. Other material accumulates by more regular methods such as normal currents and wave action. Beaches develop around the shoal, and wind may heap up the lighter, finer material into dunes.
Rainwater can now reach all this material, which, being almost entirely of calcium carbonate, is readily dissolved by it, and the dissolved lime is Album) around the loose material, cementing it together. The newly formed land is soon colonized by plants and animals, which also contribute their own remains to the island, helping soil to develop. Many of the reef islands in the central and southern Pacific and of the Maldive Islands in the Indian Ocean originated in this way.
Reef islands, especially those MP3 to sea level, are not very stable. The cyclones which help to create them may also damage and destroy them. Waves may attack one side and redeposit the material on Album) other. Precarious though reef islands are, they have nevertheless long been the homes of peoples like the Polynesians and Micronesians in the Pacific and the Maldivians in the Indian Ocean. These people have been able to survive by their seafaring skills, fishing the reef waters, rearing animals and crops on the land, and using for drinking water the thin lens of rainwater held within the reef rock.
Coral island. Article Media. Info Print Cite. Submit Feedback. Thank Moon Over Coral Island - Restlesslist - Coral Island Girl (File for your feedback. The Editors of Encyclopaedia Britannica Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree See Article History.
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Coralany of a variety of invertebrate marine organisms of the class Anthozoa phylum Cnidaria that are characterized by skeletons—external or internal—of a stonelike, horny, or leathery consistency. The term coral is also applied to the skeletons of those animals, particularly to those of the stonelike corals. Coral reefridge or hummock formed in shallow ocean areas by algae and the calcareous skeletons of certain coelenterates, Moon Over Coral Island - Restlesslist - Coral Island Girl (File, of which coral polyps are the most important.
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Episodes Seasons. Photos Add Image. Peterkin 9 episodes, Richard Gibson Ralph 9 episodes, Scott McGregor Jack 9 episodes, Johnny Johnstone Samuel 4 episodes, Gerard Kennedy Bloody Bill 4 episodes, Brian McDermott Captain Carver 4 episodes, Pele Teuila Edit Storyline The story, set incenters on 3 boys from England and their struggle for survival when they are shipwrecked on a remote Pacific island.
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