Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Tubbataha Reefs Natural Park' has mentioned 'Coral reef' in the following places:
Occurrence Sentence Text Source
The site is an excellent example of a pristine coral reef with a spectacular 100-m perpendicular wall, extensive lagoons and two coral islands.
Tubbataha has become a popular site for seasoned sport divers because of its coral "walls" where the shallow coral reef abruptly ends giving way to great depths.
In June 2009 an outbreak of the crown-of-thorns starfish was observed, possibly affecting the ecological functioning of this relatively pristine coral reef.
[23] The BBC quoted Greenpeace official Red Constantino as saying "The chart indicated we were a mile and a half" from the coral reef when the ship ran aground.
The property is a natural laboratory for the study of ecological and biological processes, displaying the ongoing process of coral reef formation, and supporting a large number of marine species dependant on reef ecosystems.
It includes open sea with an average depth of 750 m and still displays a well preserved marine ecosystem with top predators, and a large number and diversity of coral reef and pelagic species.