Assertion: heron's number | /r/AtLocation | the rise
Facets:
value: over the past 30 years
type: TEMPORAL
value: sharply
type: DEGREE
Source sentences:
text: Another heron whose numbers and range are sharply on the rise over the past 30 years and it can now be seen anywhere from tiny urban streams to mighty reservoirs and bleak estuaries.
text: The numbers of nesting black-crowned night herons has been on the rise.