Concept
Semibalanus balanoides and Littorina spp. on exposed to moderately exposed eulittoral boulders and cobbles
| URI | http://vocab.nerc.ac.uk/collection/M20/current/JNCCMNCR00001113/1/ | |
|---|---|---|
| Within Vocab | Marine Habitat Classification for Britain and Ireland Version 04.05 | |
| Alternative Labels | LR.HLR.MusB.Sem.LitX | |
| Definition | Large patches of boulders, cobbles and pebbles in the eulittoral zone on exposed to moderately exposed shores colonised by the barnacle Semibalanus balanoides and, on larger rocks, the limpet Patella vulgata. The winkles Littorina littorea and Littorina saxatilis and the whelk Nucella lapillus are typically found in high numbers on and around cobbles and smaller boulders, while the anemone Actinia equina occurs in damp areas between and underneath larger boulders. Between the cobbles and pebbles, the mussel Mytilus edulis occasionally occurs, but always at low abundance, as do the crab Carcinus maenas and gammarid amphipods. Ephemeral green seaweeds such as Enteromorpha intestinalis may cover cobbles and boulders. The foliose red seaweeds Chondrus crispus, Mastocarpus stellatus and Osmundea pinnatifida as well as the wrack Fucus vesiculosus may also occur in low abundance on cobbles and boulders. The top shells Gibbula cineraria and Gibbula umbilicalis can, on more sheltered shores, be found among the seaweeds or underneath the boulders. The barnacle Elminius modestus is present on some shores. | |
| Date | 2018-02-13T18:42:27 | |
| Identifier | SDN:M20::JNCCMNCR00001113 | |
| Note | accepted | |
| Is Version Of | JNCCMNCR00001113 | |
| version | 1 | |
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