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    Susceptibility of central Red Sea corals during a major bleaching event

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    Type
    Article
    Authors
    Furby, Kathryn A.
    Bouwmeester, Jessica cc
    Berumen, Michael L. cc
    KAUST Department
    Red Sea Research Center (RSRC)
    Biological and Environmental Sciences and Engineering (BESE) Division
    Marine Science Program
    Reef Ecology Lab
    Date
    2013-01-04
    Online Publication Date
    2013-01-04
    Print Publication Date
    2013-06
    Permanent link to this record
    http://hdl.handle.net/10754/562606
    
    Metadata
    Show full item record
    Abstract
    A major coral bleaching event occurred in the central Red Sea near Thuwal, Saudi Arabia, in the summer of 2010, when the region experienced up to 10-11 degree heating weeks. We documented the susceptibility of various coral taxa to bleaching at eight reefs during the peak of this thermal stress. Oculinids and agaricids were most susceptible to bleaching, with up to 100 and 80 % of colonies of these families, respectively, bleaching at some reefs. In contrast, some families, such as mussids, pocilloporids, and pectinids showed low levels of bleaching (<20 % on average). We resurveyed the reefs 7 months later to estimate subsequent mortality. Mortality was highly variable among taxa, with some taxa showing evidence of full recovery and some (e. g., acroporids) apparently suffering nearly complete mortality. The unequal mortality among families resulted in significant change in community composition following the bleaching. Significant factors in the likelihood of coral bleaching during this event were depth of the reef and distance of the reef from shore. Shallow reefs and inshore reefs had a higher prevalence of bleaching. This bleaching event shows that Red Sea reefs are subject to the same increasing pressures that reefs face worldwide. This study provides a quantitative, genus-level assessment of the vulnerability of various coral groups from within the Red Sea to bleaching and estimates subsequent mortality. As such, it can provide valuable insights into the future for reef communities in the Red Sea. © 2013 Springer-Verlag Berlin Heidelberg.
    Citation
    Furby, K. A., Bouwmeester, J., & Berumen, M. L. (2013). Susceptibility of central Red Sea corals during a major bleaching event. Coral Reefs, 32(2), 505–513. doi:10.1007/s00338-012-0998-5
    Sponsors
    This work was supported by the Red Sea Research Center at the King Abdullah University of Science and Technology, with logistical support from the Coastal and Marine Resources Core Lab. The authors thank A Baird, M Pratchett, and B Riegl for helpful discussions of the study; A Baird and J Veron for assistance with taxonomy; G Williams, N Price, M Johnson, and S Sandin for guidance in statistical analysis; and two anonymous reviewers for comments on the manuscript.
    Publisher
    Springer Nature
    Journal
    Coral Reefs
    DOI
    10.1007/s00338-012-0998-5
    ae974a485f413a2113503eed53cd6c53
    10.1007/s00338-012-0998-5
    Scopus Count
    Collections
    Articles; Biological and Environmental Science and Engineering (BESE) Division; Red Sea Research Center (RSRC); Marine Science Program

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