Marine & Environmental Sciences Faculty Proceedings, Presentations, Speeches, Lectures

Event Name/Location

Proceedings of the 7th International Coral Reef Symposium

Presentation Date


Document Type

Conference Proceeding


ICRS7, Sclerochronology, Skeleton, Density bands, Growth


Density banding in coral skeletons can provide for reconstruction of the coral's growth en- vironment over long periods. The physical differ- ences between low and high density portions of a skeletal band are not well understood. The skeletal architecture of M. annularis from Southeast Flor- ida, the Florida Keys, St. Croix, the Bahamas, and Mexico was compared in X-ray revealed high den- sity (HD), low density (LD), and stress HD bands. Density changes arose from differences in the size, but not spacing, of exothecal structural elements (horizontal dissepiments and vertical costae). En- dothecal architecture size (e.g., columella, dissepi- ments, septa) was relatively constant between den- sity band types. Results have implications for studies of coral growth, sclerochronology, and iso- topic/trace element composition.


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Additional Comments

ISSN: 0272-2615

Volume 1, pg. 186-195