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Lichenologist Joe Hope takes us to a secret location known as Lobaria Glen, where we discover many of the unusual lichens that are now only to be found in ancient woodlands on the humid west coast. These lichens used to be much more common across the British Isles, but habitat destruction and pollution, especially since the Industrial Revolution with its increase in sulphur dioxide and acid rain, have had such a drastic impact that they are now increasingly rare.
A film for woodlands.co.uk by Jemma Cholawo: www.jemmacholawo.com