Cornish algae genetically unique and must be protected, scientists say

Maerl in the Fal Estuary in Cornwall was found to be ‘genetically distinct from all other sites’ (Mark Milburn/Atlantic Scuba/PA)
Maerl in the Fal Estuary in Cornwall was found to be ‘genetically distinct from all other sites’ (Mark Milburn/Atlantic Scuba/PA)