Changing dynamics of Caribbean reef carbonate budgets: emergence of reef bioeroders as critical controls on present and future reef growth potential.

@article{Perry2014ChangingDO,
  title={Changing dynamics of Caribbean reef carbonate budgets: emergence of reef bioeroders as critical controls on present and future reef growth potential.},
  author={Chris T. Perry and Gary N. Murphy and Paul S Kench and Evan N. Edinger and Scott G. Smithers and Robert S Steneck and Peter J. Mumby},
  journal={Proceedings. Biological sciences},
  year={2014},
  volume={281 1796},
  pages={
          20142018
        }
}
Coral cover has declined rapidly on Caribbean reefs since the early 1980s, reducing carbonate production and reef growth. Using a cross-regional dataset, we show that widespread reductions in bioerosion rates-a key carbonate cycling process-have accompanied carbonate production declines. Bioerosion by parrotfish, urchins, endolithic sponges and microendoliths collectively averages 2 G (where G = kg CaCO3 m(-2) yr(-1)) (range 0.96-3.67 G). This rate is at least 75% lower than that reported from… CONTINUE READING

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