There is concern that elevated sea temperatures and ocean acidification may influence the resilience of coral reefs, inherently affecting their vital role of providing the structure which maintains ecosystem services around the world. This review explores the idea of artificially enhancing the ability of reef building organisms to handle stress and accelerate recovery after impact. While there is concern that artificially manipulated organisms may have a biological advantage over endemic species, corals are good candidates for assisted evolution. The authors advocate that stress exposure to natural stock, active modification of community composition of coral symbionts, selective breeding, and laboratory breeding of the symbionts all warrant research attention. As controversy continues to surround these ideas, it is important to consider that assisted evolution strategies such as these may increase the adaptive capacity of corals, perhaps allowing them to better respond to environmental and anthropogenic stressors more easily, in turn directly enhancing resilience.

Author: van Oppen, M.J.H., J.K. Oliver, H.M. Putnam, and R.D. Gates
Year: 2015
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Email for the full article: resilience@tnc.org

Proceedings of the National Academy of Sciences 112(8): 2307-2313

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