Assertion: walrus's population | /r/CapableOf | go extinct
Facets:
value: shortly
type: DEGREE
value: after norse settlement
type: TEMPORAL
Source sentences:
text: An international collaboration of scientists in Iceland, Denmark and the Netherlands has for the first time used ancient DNA analyses and C14-dating to demonstrate the past existence of a unique population of Icelandic walrus that went extinct shortly after Norse settlement some 1100 years ago.