Factors Limiting the Range Extension of Corals into High-Latitude Reef Regions

David Abrego, Emily J. Howells, Stephen D. A. Smith, Joshua S. Madin, Brigitte Sommer, Sebastian Schmidt-Roach, Vivian R. Cumbo, Damian P. Thomson, Natalie L. Rosser, Andrew H. Baird

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

Reef-building corals show a marked decrease in total species richness from the tropics to high latitude regions. Several hypotheses have been proposed to account for this pattern in the context of abiotic and biotic factors, including temperature thresholds, light limitation, aragonite saturation, nutrient or sediment loads, larval dispersal constraints, competition with macro-algae or other invertebrates, and availability of suitable settlement cues or micro-algal symbionts. Surprisingly, there is a paucity of data supporting several of these hypotheses. Given the immense pressures faced by corals in the Anthropocene, it is critical to understand the factors limiting their distribution in order to predict potential range expansions and the role that high latitude reefs can play as refuges from climate change. This review examines these factors and outlines critical research areas to address knowledge gaps in our understanding of light/temperature interactions, coral-Symbiodiniaceae associations, settlement cues, and competition in high latitude reefs.
Original languageEnglish (US)
Pages (from-to)632
JournalDiversity
Volume13
Issue number12
DOIs
StatePublished - Dec 1 2021

Bibliographical note

KAUST Repository Item: Exported on 2022-01-27
Acknowledgements: E.J.H. was supported by a Vice Chancellor’s Postdoctoral Research Fellowship from the University of Wollongong. B.S. was supported by a Chancellor’s Postdoctoral Research Fellowship from the University of Technology Sydney and a University of Sydney Fellowship.

ASJC Scopus subject areas

  • Ecological Modeling
  • Agricultural and Biological Sciences (miscellaneous)
  • Ecology
  • Nature and Landscape Conservation

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