Lithothamnion dentatum maerl beds on infralittoral muddy sediment
|Within Vocab||Marine Habitat Classification for Britain and Ireland Version 97.06|
|Definition||Shallow, sheltered infralittoral mud with Lithophyllum dentatum maerl. This rarely recorded maerl species forms locally abundant balls, generally about three centimetres in diameter but as large as 15 cm (Irvine & Chamberlain 1994; H. Fazakerley pers. comm. 1997). IMX.Lden may be found on mud, muddy gravel and in association with small amounts of other maerl species such as Lithothamnion corallioides, Phymatolithon calcareum and Lithophyllum fasciculatum. Filamentous seaweeds such as Rhodothamniella floridula, Asparagopsis armata (Falkenbergia phase) and Sphacelaria cirrosa may occur in this biotope, as well as creeping plants of Gelidium latifolium, encrusting red and brown algae and small foliose red seaweeds. Faunal components of this biotope include Gibbula magus, sponges, burrowing worms, porcelain crabs, Galathea spp., amphipods and isopods. Knowledge of the community composition of this biotope is currently incomplete.|
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