Assertion: coral reef | /r/CapableOf | face bioerosion by grazing fish
Facets:
value: since their emergence
type: TEMPORAL
value: by grazing fish
type: MANNER
Source sentences:
text: Since their emergence 485 million years ago, coral reefs have faced many threats, including disease, predation, invasive species, bioerosion by grazing fish, algal blooms, geologic hazards, and recent human activity.
text: Since their emergence 485 million years ago, coral reefs have faced many threats, including disease, predation, invasive species, bioerosion by grazing fish, algal blooms, geologic hazards, and recent human activity.