Assertion: coral reef | /r/CapableOf | undergo widespread change
Facets:
value: following disease epidemics
type: TEMPORAL
value: following bleaching
type: TEMPORAL
Source sentences:
text: Since researchers began surveys in the 1980s, coral reefs in the Caribbean have undergone widespread change following bleaching and disease epidemics that have reduced the abundance of reef-building corals by 50 percent.