Assertion: hedgehog's number | /r/CapableOf | fall for decade
Facets:
value: with the latest surveys
type: OTHER
value: drastically
type: MANNER
Source sentences:
text: There, numbers have been falling drastically for decades, with the latest surveys putting hedgehogs on the country’s endangered species list at around one million over the entire UK, down 300,000 on numbers ten years ago.