2019
DOI: 10.1016/j.cub.2019.06.077
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Rapid Coral Decay Is Associated with Marine Heatwave Mortality Events on Reefs

Abstract: Highlights d Marine heatwaves lead to rapid coral mortality and microbial biofilm formation d Microbial metabolic activity results in rapid dissolution of the coral skeleton d Dissolution reduces skeletal hardness and density and increased porosity

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Cited by 155 publications
(141 citation statements)
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References 41 publications
(47 reference statements)
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“…Extreme heat wave events conspicuously manifest as mass coral bleaching—the process whereby large extents of coral rapidly pale through loss of their algal endosymbionts (e.g., Glynn, ; Suggett & Smith, ) via destabilization of the coral–algal symbiosis (e.g., Davy, Allemand, & Weis, ; Matthews et al, ; Smith, Suggett, & Baker, ; Weis, ). Bleached corals rapidly die unless the host coral can secure alternate sources of energy (Grotolli, Rodrigues, & Palardy, ; Grotolli et al, ), causing ecological cascades that impact reef‐associated fish communities (Bellwood, Hoey, Ackerman, & Depczynski, ; Benkwitt, Wilson, & Graham, ; Richardson, Graham, Pratchett, Eurich, & Hoey, ) and ultimately reef landscape erosion (Leggat et al, ; Montefalcone, Carlo, & Bianchi, ) that together transform ecological and biogeochemical service provision.…”
Section: Introductionmentioning
confidence: 99%
“…Extreme heat wave events conspicuously manifest as mass coral bleaching—the process whereby large extents of coral rapidly pale through loss of their algal endosymbionts (e.g., Glynn, ; Suggett & Smith, ) via destabilization of the coral–algal symbiosis (e.g., Davy, Allemand, & Weis, ; Matthews et al, ; Smith, Suggett, & Baker, ; Weis, ). Bleached corals rapidly die unless the host coral can secure alternate sources of energy (Grotolli, Rodrigues, & Palardy, ; Grotolli et al, ), causing ecological cascades that impact reef‐associated fish communities (Bellwood, Hoey, Ackerman, & Depczynski, ; Benkwitt, Wilson, & Graham, ; Richardson, Graham, Pratchett, Eurich, & Hoey, ) and ultimately reef landscape erosion (Leggat et al, ; Montefalcone, Carlo, & Bianchi, ) that together transform ecological and biogeochemical service provision.…”
Section: Introductionmentioning
confidence: 99%
“…Measurement is highly dependent upon where the 2D image is taken. Destructive Tribollet, Decherf, Hutchings, and Peyrot-Clausade (2002), Milner, Langer, Grelaud, and Ziveri (2016), Bylenga, Cummings, and Ryan (2017), Meng et al (2018) and Leggat et al (2019) Nuclear magnetic resonance imaging Samples are saturated with water and held inside a constant magnetic field.…”
Section: D Imagementioning
confidence: 99%
“…However, the application of this method in marine biology stands to benefit from improvements in µCT technology in other disciplines. Recently, we applied advanced µCT methodology to estimate the subresolution porosity (termed microporosity) of coral skeletons subjected to accelerated microbial bioerosion by resident endoliths during a marine heatwave (Leggat et al, 2019). Endolithic microbes are near ubiquitous in biogenic carbonates (Tribollet, 2008;Tribollet & Golubic, 2011) and are highly effective bioeroders (Carreiro-Silva, McClanahan, & Kiene, 2005;Chazottes, Campion-Alsumard, & Peyrot-Clausade, 1995;Perry et al, 2014).…”
Section: Introductionmentioning
confidence: 99%
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“…This stress can elicit a variety of sublethal effects, including declines in growth and reproduction (Ward et al , 2000; Baird and Marshall, 2002; Baker et al , 2008; Hughes et al , 2019), and at worst can result in widespread coral mortality (Loya et al , 2001; McClanahan, 2004; Baker et al , 2008; Eakin et al , 2010; Hughes et al , 2017; Sully et al , 2019). The loss of live coral cover is often followed by rapid erosion of the structural framework of the reef (Hughes, Kerry, et al , 2018; Fordyce et al , 2019; Leggat et al , 2019), reducing habitat complexity (Magel et al , 2019) and negatively impacting the diversity of the broader reef community (e.g. fish (Pratchett et al , 2011; Darling et al , 2017; Richardson et al , 2018).…”
Section: Introductionmentioning
confidence: 99%