Assertion: walrus's population | /r/CapableOf | drop around the arctic region
Facets:
value: rapidly
type: MANNER
value: due to increased human activity
type: CAUSE
Source sentences:
text: The population of walruses dropped rapidly all around the Arctic region.
text: Populations of walruses have dropped rapidly all around the Arctic region due to global warming and increased human activity on the sea ice, such as oil exploration and international shipping.