Assertion: steller sea lion's population | /r/CapableOf | plummet by 94%
Facets:
value: in the last 30 years
type: TEMPORAL
Source sentences:
text: Despite their prowess, the western population of Steller sea lions in Alaska’s western Aleutian Islands is in a steep decline – the population has plummeted by 94% in the last 30 years.