Concept
Fucoids and kelps in deep eulittoral rockpools
| URI | http://vocab.nerc.ac.uk/collection/M24/current/LRRKPFK/1/ | |
|---|---|---|
| Within Vocab | Marine Habitat Classification for Britain and Ireland Version 97.06 | |
| Alternative Labels | LR.Rkp.FK | |
| Definition | Deep rockpools in the mid to lower eulittoral zone often contain a community characterised by Fucus serratus and Laminaria digitata. Other large brown algae, including Laminaria saccharina, Himanthalia elongata and Halidrys siliquosa, may also occur. The rock surface is usually covered by encrusting coralline algae. A wide variety of filamentous and foliose algae, which are typical of lower shore and shallow sublittoral zones (e.g. Palmaria palmata, Chondrus crispus, Ceramium spp., Membranoptera alata and Gastroclonium ovatum) occur beneath the brown algal canopy. Algal-free vertical and overhanging faces often support the sponge Halichondria panicea and anemones Actinia equina. The abundance of grazing molluscs varies considerably. In some, large numbers of littorinids and limpets are probably responsible for the limited variety of red seaweeds present. In other pools, fewer grazers may result in an abundance of these algae. Where boulders occur in these pools they provide a greater variety of micro-habitats which support a variety of fauna. Mobile crustaceans (Pagurus bernhardus and Carcinus maenas), brittlestars (Ophiothrix fragilis and Amphipholis squamata), encrusting bryozoans and ascidians are typically found beneath and between boulders. | |
| Date | 2019-11-26T11:41:44 | |
| Identifier | SDN:M24::LRRKPFK | |
| Note | accepted | |
| Is Version Of | LRRKPFK | |
| version | 1 | |
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