Assertion: wild yak | /r/HasProperty | exterminated since the arrival of pastoralists
Facets:
value: almost completely
type: DEGREE
value: in the 1960s
type: TEMPORAL
Source sentences:
text: Due to these pressures, the population trend remains one of decline in many areas; wild yaks in the southern 24% of Changtang have been almost completely exterminated since the arrival of pastoralists in the 1960s.