Fifty years of change on iconic limestone pavements has revealed mixed fortunes for one of the most distinctive landscapes in the UK.

The landscapes - which will be familiar to visitors to the Yorkshire Dales and fans of Harry Potter and the Deathly Hallows film – have, in many places, seen reductions of specialist species and more common less desirable species become more abundant.

However, it is not all bad news as the picture is very mixed across the UK’s areas of limestone pavement with some areas increasing in plant biodiversity.