Diadema antillarum 17 years after mass mortality: is recovery beginning on St. Croix?

  title={Diadema antillarum 17 years after mass mortality: is recovery beginning on St. Croix?},
  author={Robert J. Miller and Aaron J. Adams and Nathan Ogden and John C. Ogden and John P. Ebersole},
  journal={Coral Reefs},
Diadema antillarum was once ubiquitous in the Caribbean, but mass mortality in 1983–84 reduced its numbers by >97%. We measured Diadema abundance on back reefs and patch reefs that have been well studied for >25 years. From June 2000 to June 2001, populations on back reefs have increased >100% (June 2001 mean densities 0.004–0.368/m2), while patch reef populations increased >350% (June 2001 densities 0.236–0.516/m2). Populations are dominated by small urchins, suggesting high recent recruitment… CONTINUE READING

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