Assertion: water vole's number | /r/CapableOf | decline across europe
Facets:
value: by over 90%
type: OTHER
value: drastically
type: MANNER
value: in the last century
type: TEMPORAL
Source sentences:
text: In the last century, the number of horseshoe bats declined drastically across Europe (perhaps by over 90% in Britain) and although rare here, the population is of international importance.