Taphonomic alteration of reef corals: Effects of reef environment and coral growth form II: The Florida Keys

Greenstein, B. J. and Pandolfi, J. M. (2003) Taphonomic alteration of reef corals: Effects of reef environment and coral growth form II: The Florida Keys. Palaios, 18 6: 495-509. doi:10.1669/0883-1351(2003)018<0495:TAORCE>2.0.CO;2


Author Greenstein, B. J.
Pandolfi, J. M.
Title Taphonomic alteration of reef corals: Effects of reef environment and coral growth form II: The Florida Keys
Journal name Palaios   Check publisher's open access policy
ISSN 0883-1351
1938-5323
Publication date 2003-12-01
Sub-type Article (original research)
DOI 10.1669/0883-1351(2003)018<0495:TAORCE>2.0.CO;2
Open Access Status Not Open Access
Volume 18
Issue 6
Start page 495
End page 509
Total pages 15
Place of publication Tulsa, OK, United States
Publisher Society for Sedimentary Geology (S E P M)
Language eng
Abstract In a companion study to earlier work in the Indo-Pacific, taphonomic alteration in reef-coral death assemblages was assessed in four distinct reef habitats ranging from 2-30 m water depth in the Florida Keys reef tract. Physical and biological taphonomic attributes measured from coral specimens showed great variability with respect to reef environment. Physico-chemical degradation (abrasion and dissolution) was greatest in reef-crest and patch-reef environments. With the exception of encrusting foraminifera, coverage by epi- and endobionts was higher in deep-reef environments (20 m and 30 m). Variability in dissolution and abrasion is likely the result of the different energy regimes present in the reef habitats examined. Variability in biological attributes results from a combination of increased residence time of coral skeletons on substrates in deep-reef environments, higher overall coral skeletal densities of corals inhabiting deep reef environments, and increased nutrient availability in the deep reefs sampled. Clear gradients in the degree of taphonomic alteration of reef corals with reef habitat indicate the utility of corals as taphofacies indicators in ancient reef settings. In contrast to shallow-water reefs on the Great Barrier Reef, taphonomic alteration of corals in the Florida Keys was equitable across growth forms.
Keyword Geology
Paleontology
Great Barrier Reef
Cavity-dwellers Coelobites
Papua New Guinea
Community structure
Damselfish territoriality
Death assemblages
Internal bioerosion
Continental shelf
Huon Peninsula
Rubble
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

 
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Created: Thu, 20 Sep 2007, 04:09:32 EST