Assertion: porpoise's population | /r/CapableOf | decrease by 80 percent
Facets:
value: in the last 45 years
type: TEMPORAL
value: due to habitat loss
type: CAUSE
value: due to hunting
type: CAUSE
value: according to iucn
type: OTHER
value: since the late-1970s
type: TEMPORAL
Source sentences:
text: Though the number of sea lions is growing in Glacier Bay, the population in Western Alaska has decreased by 80 percent since the late-1970s leading to that portion of the population's current listing as endangered.
text: But according to IUCN, the population of the gibbons has declined more than 80 percent in the last 45 years, due to hunting and habitat loss.