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Angela Gall

Protecting one of England's rarest marine habitats: Natural England's work on maerl

Posted by: , Posted on: - Categories: Biodiversity, Evidence, Marine environment, Monitoring, Natural England, Nature
Maerl researcher and academic Professor Jason Hall-Spencer showing Phumatolithon calcareum maerl. Credit Matt Slater

By Angela Gall, Marine Senior Officer Hidden beneath the waves along the south coast of Cornwall lies an ancient marine habitat, maerl beds. These pink, twiglet-shaped rhodoliths are free-living, calcified red seaweeds forming intricate, three-dimensional structures on the seabed. They're …