Contrasting Patterns of Coral Bleaching Susceptibility in 2010 Suggest an Adaptive Response to Thermal Stress

James R Guest, Andrew H Baird, Jeffrey A Maynard, Efin Muttaqin, Alasdair J Edwards, Stuart J Campbell, Katie Yewdall, Yang Amri Affendi and Loke Ming Chou

PLOS ONE, 2012, vol. 7, issue 3, 1-8

Abstract: Background: Coral bleaching events vary in severity, however, to date, the hierarchy of susceptibility to bleaching among coral taxa has been consistent over a broad geographic range and among bleaching episodes. Here we examine the extent of spatial and temporal variation in thermal tolerance among scleractinian coral taxa and between locations during the 2010 thermally induced, large-scale bleaching event in South East Asia. Methodology/Principal Findings: Surveys to estimate the bleaching and mortality indices of coral genera were carried out at three locations with contrasting thermal and bleaching histories. Despite the magnitude of thermal stress being similar among locations in 2010, there was a remarkable contrast in the patterns of bleaching susceptibility. Comparisons of bleaching susceptibility within coral taxa and among locations revealed no significant differences between locations with similar thermal histories, but significant differences between locations with contrasting thermal histories (Friedman = 34.97; p

Date: 2012
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0033353

DOI: 10.1371/journal.pone.0033353

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