Periodic endolithic algal blooms in Montastraea faveolata corals may represent periods of low-level stress.

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dc.contributor.authorCarilli, JEen_AU
dc.contributor.authorGodfrey, Jen_AU
dc.contributor.authorNorris, RNen_AU
dc.contributor.authorSandin, SAen_AU
dc.contributor.authorSmith, JEen_AU
dc.date.accessioned2012-02-16T00:07:18Zen_AU
dc.date.available2012-02-16T00:07:18Zen_AU
dc.date.issued2010-07-01en_AU
dc.date.statistics2012-02-12en_AU
dc.description.abstractCores from the scleractinian coral Montastraea faveolata (Ellis and Solander, 1786) sensu Weil and Knowlton (1994) from the Mesoamerican Reef possess obvious green bands, sometimes occurring annually, but more often at less frequent intervals. Bands are remnant concentrations of the endolithic green alga Ostreobium spp. that grow parallel to and below the living coral tissue. We dated green bands in 58 M. faveolata cores collected from four sites on the Mesoamerican Reef. We found that the bands are not related to coral skeletal growth reductions, but instead are caused by algal blooms within the coral skeleton. We hypothesize that the blooms occur during periods of coral paling (the partial loss of pigmentation), during which more light penetrates through the translucent coral tissue into the coral skeleton. This hypothesis is supported by observations of discontinuous banding within the skeleton, the patchiness of pigment loss in living corals, and ecological observations of endolithic algal blooms in living bleached corals. At three sites, there was a significant increase in green band occurrence over time, which suggests that coral paling may have increased over the last several decades. © 2020 Ingentaen_AU
dc.identifier.citationCarilli, J.E., Godfrey, J., Norris, R.D., Sandin, S.A., & Smith, J.E. (2011). Periodic endolithic algal blooms in Montastraea Faveolata Corals may represent periods of low-level stress. Bulletin of Marine Science, 86(3), 709-718.en_AU
dc.identifier.govdoc3808en_AU
dc.identifier.issn0007-4977en_AU
dc.identifier.issue3en_AU
dc.identifier.journaltitleBulletin of Marine Scienceen_AU
dc.identifier.pagination709-718en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/4033en_AU
dc.identifier.urihttps://www.ingentaconnect.com/content/umrsmas/bullmar/2010/00000086/00000003/art00010en_AU
dc.identifier.volume86en_AU
dc.language.isoenen_AU
dc.publisherIngentaen_AU
dc.subjectCoral reefsen_AU
dc.subjectAlgaeen_AU
dc.subjectBleachingen_AU
dc.subjectSeasen_AU
dc.subjectAquatic ecosystemsen_AU
dc.titlePeriodic endolithic algal blooms in Montastraea faveolata corals may represent periods of low-level stress.en_AU
dc.typeJournal Articleen_AU
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