Assertion: barren ground caribou | /r/HasProperty | characterized by low abundance
Facets:
value: until the mid-1950s
type: TEMPORAL
value: very
type: DEGREE
Source sentences:
text: The barren-ground caribou was characterized by a very low abundance from the end of the 19th century until the mid-1950s, but increased markedly thereafter, reaching over a million individuals at the beginning of the 1990s.