Assertion: american bison's number | /r/CapableOf | decline by ten percent
Facets:
value: in the 1996–2006 period
type: TEMPORAL
value: a drop attributable
type: OTHER
Source sentences:
text: Overall, in the 1996–2006 period, the number of hunters over the age of sixteen declined by ten percent, a drop attributable to a number of factors including habitat loss and changes in recreation habits.