Assertion: blue whale's population | /r/HasProperty | driven to extinction
Facets:
value: from the kumanonada sea off wakayama
type: LOCATION
value: by whaling activities
type: CAUSE
value: by commercial whaling
type: CAUSE
Source sentences:
text: Japan blue whale population: Some researchers have informally suggested that a former population of blue whales off Japan were driven to extinction by commercial whaling, mostly from the Kumanonada Sea off Wakayama, in the Gulf of Tosa, and in the Sea of Hyūga.
text: Some scientists regard that historical populations off Japan were driven to extinction by whaling activities, mostly from the Kumanonada Sea off Wakayama, in Tosa Bay, and in the Sea of Hyuga.