Concept
Ascophyllum nodosum on very sheltered mid eulittoral rock
| URI | http://vocab.nerc.ac.uk/collection/M20/current/JNCCMNCR00000491/ | |
|---|---|---|
| Within Vocab | Marine Habitat Classification for Britain and Ireland Version 04.05 | |
| Alternative Labels | LR.LLR.F.Asc | |
| Definition | Sheltered to extremely sheltered mid eulittoral rock with the wrack Ascophyllum nodosum. The red seaweed Polysiphonia lanosa is often found growing as an epiphyte on the A. nodosum fronds while disturbed areas among the A. nodosum is colonised by the wrack Fucus vesiculosus and the green seaweed Enteromorpha intestinalis.e barnacle Semibalanus balanoides, the limpet Patella vulgata and Littorina littorea can all be found on the bedrock underneath the A. nodosum canopy along with coralline crusts. The whelk Nucella lapillus can be found preying on the barnacles and limpets. Three variants of this biotope are described. These are: full salinity (Asc.FS), mixed substrata (Asc.X) and the loose lying growth form A. nodosum ecad mackaii found on very sheltered shores (Asc.mac). To other biotopes has been identified as well tide-swept (AscT) and variabel salinity (AscVS). | |
| Date | 2018-02-13T18:42:27 | |
| Identifier | SDN:M20::JNCCMNCR00000491 | |
| Note | accepted | |
| Has Current Version | 1 | |
| version | 1 | |
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