Assertion: gibbon's number | /r/CapableOf | decline by 80 percent
Facets:
value: over the past 45 years
type: TEMPORAL
value: because of poaching
type: CAUSE
Source sentences:
text: White-cheeked gibbons are critically endangered, and their numbers have declined by 80 percent or more over the past 45 years, primarily due to habitat loss and poaching.
text: Their numbers have declined by at least 80% over the past 50 years because of poaching and habitat loss from illegal logging and agriculture.