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... > representation > numerical entity > geometrical object > surface > planetary boundary > water body boundary > sea floor > ocean ridge > reef
... > realm > planetary realm > critical zone > planetary boundary > water body boundary > sea floor > ocean ridge > reef
... > representation > numerical entity > geometrical object > surface > planetary boundary > carbonate compensation level > sea floor > ocean ridge > reef
... > realm > planetary realm > critical zone > planetary boundary > carbonate compensation level > sea floor > ocean ridge > reef
... > representation > numerical entity > geometrical object > region > land > mountain region > ridge > ocean ridge > reef
... > representation > numerical entity > geometrical object > region > surface region > mountain region > ridge > ocean ridge > reef
... > representation > numerical entity > geometrical object > surface > planetary boundary > water body boundary > ocean floor > ocean ridge > reef
... > realm > planetary realm > critical zone > planetary boundary > water body boundary > ocean floor > ocean ridge > reef
... > representation > numerical entity > geometrical object > surface > planetary boundary > carbonate compensation level > ocean floor > ocean ridge > reef
... > realm > planetary realm > critical zone > planetary boundary > carbonate compensation level > ocean floor > ocean ridge > reef
... > representation > numerical entity > geometrical object > surface > planetary boundary > water body boundary > seabed > ocean ridge > reef
... > realm > planetary realm > critical zone > planetary boundary > water body boundary > seabed > ocean ridge > reef
... > representation > numerical entity > geometrical object > surface > planetary boundary > carbonate compensation level > seabed > ocean ridge > reef
... > realm > planetary realm > critical zone > planetary boundary > carbonate compensation level > seabed > ocean ridge > reef

Preferred term

reef  

Type

  • http://www.irandoc.ac.ir/onto/irandoc-meta/Concept

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Definitions

  • In nautical terminology, a reef is a rock, sandbar, or other feature lying beneath the surface of the water yet shallow enough to be a hazard to ships. Many reefs result from abiotic processes—deposition of sand, wave erosion planning down rock outcrops, and other natural processes—but the best-known reefs are the coral reefs of tropical waters developed through biotic processes dominated by corals and calcareous algae

Obsolete

  • false

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URI

http://www.irandoc.acir/onto/irandoc/SWEETT01326

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