Coral Recovery And Settlement After A Bleaching Event In The Central Red Sea | 9491
Journal of Marine Science: Research & Development
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An inshore reef on the Saudi Arabian coast of the Red Sea suffered from severe thermal bleaching (50-80% bleaching on
inshore reefs) in the summer of 2010, leaving by March 2011a hard coral cover of 9-9.6% at 10m, 5m and at the reef edge,
composed mostly of
colonies. Sixty settlement plates installed since March 2011at the reef edge and at 5m, both on the
sheltered side and the exposed side of the reef, collected 101coral recruits by July 2011,27coral recruits from July to November
2011 and 16 recruits from November 2011 to March 2012. In the second year the plates collected 69 recruits from March to July
2012, 59 recruits from July-November 2012 and 37 recruits from November 2012 to March 2013. The high numbers of recruits
on settlement plates collected in July correspond with the coral spawning season in the region which takes place from April to
July each year. Recruits from plates collected at other times of the year appear to be from brooding corals which reproduce over
a longer periodthan spawning corals or from spawning corals reproducing towards the end of the spawning season.Bleaching
events are frequently occurring phenomena which threaten tropical reefs throughout the world, and a better understanding of
the recovery process will help in putting measures in place to protect recovering reefs.
Jessica Bouwmeester is a Ph.D. candidate in the coral reef ecology lab in the King Abdullah University of Science and Technology. She obtained her
MSc degree from the University of Lausanne in Switzerland in 2005. She is interested in coral reproduction in the central Red Sea, focusing on the
timing and synchrony of spawning as well as coral recruitment patterns.
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