Assertion: coral reef | /r/CapableOf | face invasive species
Facets:
value: since their emergence
type: TEMPORAL
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: Coral reefs face many threats, including storm damage, invasive species, climate change, coastal development, commercial use, poor sewage treatment, agricultural runoff, excessive fertilizer use in coastal communities and increasing carbon dioxide levels.
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.