Species profiles: Life histories and environmental requirements of coastal fishes and invertebrates (south Florida): Reef-building corals. [Acropora cervicornis; Acropora palmata; Montastraea annularis; Montastraea cavernosa]
Technical Report
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OSTI ID:6031744
Four species of reef-building corals are considered: elkhorn coral, staghorn coral, common star coral, and large star coral. All four species spawn annually in the fall during hurricane season. Juvenile recruitment is low in all four species. Rapid growth rates of species in the genus Acropora (10 to 20 cm/yr) contrast with slower growth rates of species in the genus Montastraea (1.0 to 2.0 cm/yr), but both species of Montastraea are also important in reef development due to their form and great longevity. Shallow-water colonies of Montastraea survive hurricanes; shallow colonies of Acropora do not. Because of their dependence on photosynthesis for all of their carbon acquisition, the Acropora species reviewed here have a more restricted depth distribution (0 to 30 m) than do the Montastraea species considered (0 to 70 m). All four species are subject to intense predation by the snail predator, Coralliophila. Species of Montastraea are susceptible to infection from blue-green algae, which produce ''black band disease;'' species of Acropora are susceptible to a different, as yet unidentified pathogen, that produces ''white-band'' disease. Increased water turbidity and sedimentation cause reduced growth rates and partial or whole mortality in all four species.
- Research Organization:
- Georgia Univ., Athens (USA). Dept. of Zoology
- OSTI ID:
- 6031744
- Report Number(s):
- TR-EL-82-4/82-11-73; ON: TI88900161
- Country of Publication:
- United States
- Language:
- English
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