microatoll

microatoll
A colony of coral, usually 1-3 metres in diameter that is dead on the top as a result of exposure at low tide.

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  • Microatoll — A microatoll is a discoid colony of coral, dead on the top but living around the perimeter. Growth is mainly lateral, as upward growth is limited by exposure to air. Microatolls may be up to 6 meters (20 ft) in diameter.[1] They are named… …   Wikipedia

  • microatoll — mi·cro·atoll …   English syllables

  • microatoll — | ̷ ̷ ̷ ̷+ noun Etymology: micr + atoll : a coralline growth resembling a miniature atoll …   Useful english dictionary

  • Coral reef — Marine habitats Biodiversity of a coral reef Lit …   Wikipedia

  • Coral Sea Islands — Map of the Coral Sea Islands Map of the Coral Sea Islands Territo …   Wikipedia

  • Atoll — For other senses of this word, see atoll (disambiguation). Satellite picture of the Atafu atoll in Tokelau in the Pacific Ocean. An atoll ( …   Wikipedia

  • Coral — For other uses, see Coral (disambiguation). Coral Pillar coral, Dendrogyra cylindricus Scientific classification Kingdom …   Wikipedia

  • Great Barrier Reef — The Great Barrier Reef * UNESCO World Heritage Site …   Wikipedia

  • Coral bleaching — Bleached branching Acropora sp. at Heron Island, Great Barrier Reef, in 2005 …   Wikipedia

  • Sea pen — For other uses, see Pen (disambiguation). Sea pens Temporal range: Cambrian–Recent …   Wikipedia

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