Abstract
Alternate dense and less-dense skeletal bands in massive corals have been used for many years to record the history of growth in species such as Porites lutea and Montastrea annularis, based on the assumption that one dense band and one less-dense band is equivalent to a year's growth. This report demonstrates that specimens of Porites lutea Edwards and Haime (collected from the same neighbourhood in Phuket, Thailand, from November 1983 through November 1984) produce skeletal bands asynchronously and that one year's growth in corals from certain sites may regularly consist of four bands of varying density. The annual banding pattern observed at all sites includes the deposition of a dense band in response to high sedimentation loads and, probably, reduced light levels.
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Communicated by J. Mauchline, Oban
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Brown, B., Le Tissier, M., Howard, L.S. et al. Asynchronous deposition of dense skeletal bands in Porites lutea . Marine Biology 93, 83–89 (1986). https://doi.org/10.1007/BF00428657
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DOI: https://doi.org/10.1007/BF00428657