Assertion: carp's population | /r/CapableOf | suggest recruitment failure
Facets:
value: because of dams
type: CAUSE
value: since the 1930s
type: TEMPORAL
Source sentences:
text: A 2019 study documented that several populations in northwestern Minnesota are comprised mainly (85-90%) of individuals more than 80 years old, suggesting recruitment failure since the 1930s because of dams.