Assertion: plover's population | /r/HasProperty | stable
Facets:
value: between 2015
type: TEMPORAL
value: between 1966
type: TEMPORAL
Source sentences:
text: According to the North American Breeding Bird Survey, the population of Upland Sandpiper was stable between 1966 and 2015, with a moderate increase in the last decade of that period.
text: Populations are relatively stable range-wide.
text: Populations are either stable or decreasing.