Parameter Tree:
EARTH SCIENCE > OCEANS > COASTAL PROCESSES > CORAL REEFS

Definition:
A mass of calcium carbonate rock material derived from coral organisms,
algae, mollusks, worms, etc. Also used as pertaining to the living
biological aspects of the reef. 


Reference:
Derived from: Garrison, T. 1993. Oceanography, An Invitation to Marine Science.
Wadworth Publishing Co. p. 518.