Assertion: fur seal | /r/HasProperty | become with lalas
Facets:
value: since
type: TEMPORAL
value: gradually
type: MANNER
Source sentences:
text: (Dunedin, SE South Island, New Zealand) the fur seals were considered to be a non-breeding assemblage of juveniles, but has since gradually become a significant breeding area, with more than 1,100 pups born by 1994 (Lalas & Harcourt, 1995).