Cairns Post: Study finds parrotfish have major say in Great Barrier Reef recovery

CORAL reefs devastated by bleaching or cyclones are six times more likely to recover if they are in a protected marine zone.
A recent study by University of Queensland researchers in Belize explored the links between green zones and the resilience of corals following any large-scale disturbance of the habitat.
http://www.cairns.com.au/article/2013/09/06/247801_local-news.html