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- Atoll - Wikipedia
An atoll ( ˈæt ɒl, - ɔːl, - oʊl, əˈtɒl, - ˈtɔːl, - ˈtoʊl ) [1] is a ring-shaped island, including a coral rim that encircles a lagoon There may be coral islands or cays on the rim [2][3] Atolls are located in warm tropical or subtropical parts of the oceans and seas where corals can develop
- Atoll | Definition Facts | Britannica
atoll, coral reef enclosing a lagoon Atolls consist of ribbons of reef that may not always be circular but whose broad configuration is a closed shape up to dozens of kilometres across, enclosing a lagoon that may be approximately 50 metres (160 feet) deep or more
- Atoll - National Geographic Society
An atoll is a ring-shaped coral reef, island, or series of islets The atoll surrounds a body of water called a lagoon
- What Is an Atoll? Formation, Features Marine Life
An atoll stands as one of Earth’s most remarkable natural formations—a ring-shaped coral reef encircling a lagoon where once stood a volcanic island These living geological wonders represent the resilience and adaptability of coral ecosystems over vast stretches of geologic time
- What Is an Atoll Island and How Does It Form? - Biology Insights
An atoll is a coral reef enclosing a lagoon, characterized by a ring or horseshoe shape The coral rim may be elliptical or angular, but consistently forms a closed shape
- What Is An Atoll? - WorldAtlas
An atoll is a type of coral reef with a coral rim that partially or completely surrounds a water body known as a lagoon It is usually formed from a fringing reef around a volcanic island
- 10 Most Captivating Atolls in the World (+Photos) - Touropia
An atoll is a ring of coral that originally grew completely around the shoreline of an island, and which continued to grow upward on top of itself as the island subsided or eroded away
- Atoll Definition - Marine Biology Key Term | Fiveable
An atoll is a ring-shaped coral reef, island, or series of islets that encircle a lagoon either partially or completely These fascinating geological structures typically form from the growth of coral reefs around the rim of submerged volcanic islands, eventually leading to the formation of a lagoon as the island erodes
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