Coral bleaching: Difference between revisions

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Large coral colonies such as ''[[Porites]]'' are able to withstand extreme temperature shocks, while fragile branching corals such ''[[Acropora]]'' are far more susceptible to stress following a temperature change.<ref>Baird and Marshall 2002</ref> Corals consistently exposed to low stress levels may be more resistant to bleaching.<ref name=resistance>Gabriel D. Grinmsditch and Rodney V. Salm, [http://data.iucn.org/dbtw-wpd/edocs/2006-042.pdf ''Coral Reef Resilience and Resistance to Bleaching''], "IUCN: The World Conservation Union", 2006{{page needed|date=August 2016}}</ref><ref name=Iguchi>{{cite journal|last=Iguchi|first=Akira|author2=Ozaki, Saori|title=Effects of acidicied seawater on coral calcification and symbiotic algae on the massive coral Porites australiensis|journal=Marine Environmental Research|date=2012|volume=73|pages=32–36|doi=10.1016/j.marenvres.2011.10.008|last3=Nakamura|pmid=22115919|first3=Takashi|last4=Inoue|first4=Mayuri|last5=Tanaka|first5=Yasuaki|last6=Suzuki|first6=Atsushi|last7=Kawahata|first7=Hodaka|last8=Sakai|first8=Kazuhiko}}</ref>
 
ItScientists seemsbelieve that the oldest known bleaching was that of the Late Devonian (Frasnian/Famennian), also triggered by the rise of sea surface temperatures. It resulted in the demise of the largest coral reefs in the Earth's history <ref> Zapalski, M. K., Nowicki, J., Jakubowicz, M., & Berkowski, B. (2017). Tabulate corals across the Frasnian/Famennian boundary: architectural turnover and its possible relation to ancient photosymbiosis. Palaeogeography, Palaeoclimatology, Palaeoecology, 487, 416-429. https://doi.org/10.1016/j.palaeo.2017.09.028 </ref>
 
 
==Impact==