Climate-mediated mechanical changes to post-disturbance coral assemblages

Joshua S. Madin, Michael J. O'Donnell, Sean R. Connolly

Research output: Contribution to journalArticlepeer-review

36 Citations (Scopus)

Abstract

Increasingly severe storms and weaker carbonate materials associated with more acidic oceans will increase the vulnerability of reef corals to mechanical damage. Mechanistic predictions based on measurements of colony mechanical vulnerability and future climate scenarios demonstrate dramatic shifts in assemblage structure following hydrodynamic disturbances, including switches in species' dominance on the reef and thus potential for post-disturbance recovery. Larger colonies are more resistant to factors such as disease and competition for space, and complex morphologies support more associated reef species. Future reefs are thus expected to have lower colony abundances and be dominated by small and morphologically simple, yet mechanically robust species, which will in turn support lower levels of whole-reef biodiversity than do present-day reefs.

Original languageEnglish
Pages (from-to)490-493
Number of pages4
JournalBiology Letters
Volume4
Issue number5
DOIs
Publication statusPublished - 23 Oct 2008

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