Assertion: shark's population | /r/CapableOf | shrink by 70 to 90 percent
Facets:
value: due to overzealous commercial fishermen
type: CAUSE
value: in the late 20th century
type: TEMPORAL
Source sentences:
text: Scientists estimate that the population living along the U.S. eastern seaboard shrank by 70 to 90 percent in the late 20th century due to overzealous commercial fishermen.