Species composition and biodiversity

For ELR in the UK % Frequency Faithfulness Typical abundance
Actinia equina

Occasional

Chthamalus stellatus

Frequent

Semibalanus balanoides

Common

Patella vulgata

Common

Littorina littorea

Frequent

Littorina neglecta

Common

Littorina saxatilis

Frequent

Nucella lapillus

Frequent

Mytilus edulis

Frequent

Porphyra umbilicalis

Frequent

Palmaria palmata

Occasional

Corallinaceae indet. (crusts)

Occasional

Corallina officinalis

Occasional

Mastocarpus stellatus

Occasional

Ceramium sp.

Occasional

Osmundea pinnatifida

Occasional

Himanthalia elongata

Common

Enteromorpha sp.

Occasional

Verrucaria mucosa

Occasional

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