Assertion: polecat's population | /r/CapableOf | undergo sizeable decline
Facets:
value: in the rhone-alps region
type: LOCATION
value: since the 1990s
type: TEMPORAL
Source sentences:
text: In the Rhone-Alps region, its population has undergone a sizeable decline since the 1990s, largely as a consequence of poisoning campaigns against muskrats.