Assertion: pelican's population | /r/CapableOf | decline in north america
Facets:
value: drastically
type: MANNER
value: during …
type: TEMPORAL
value: during the period
type: TEMPORAL
Source sentences:
text: Though the brown pelican once bred in enormous colonies along New World coasts, its population declined drastically in North America during the period 1940–70 as a result of use of DDT and related pesticides.
text: Though the brown pelican once bred in enormous colonies along New World coasts, its population declined drastically in North America during…