Assertion: skate's population | /r/CapableOf | decline in early 1970s
Facets:
value: dramatically
type: MANNER
value: after peaking in the 1950s
type: TEMPORAL
Source sentences:
text: After peaking in the 1950s, the population of the barndoor skate dramatically declined in the 1960s and early 1970s as a result of overfishing.