Laminaria saccharina with red and brown seaweeds on lower infralittoral muddy mixed sediment
Description (English)
Slightly deeper kelp community in the lower infralittoral, found on sandy gravelly mud, in sheltered and very sheltered conditions, with very weak tidal currents. The community is characterised by occasional Laminaria saccharina with an undergrowth of red and brown algae. Characteristic red seaweeds, as with other A5.521 subunits include Plocamium cartilagineum and Phycodrys rubens. However, the sheltered conditions of this biotope allow the 'Trailliella' phase of Bonnemaisonia hamifera to develop (although not to the extent of forming distinct mats as in A5.526), and the related species Bonnemaisonia asparagoides. Brown algal species present, as with other A5.521 subunits, include Desmarestia spp at low abundance. The ubiquitous green seaweed Ulva sp. may also be present. The muddy substrate is home to a variety of typical mud dwelling fauna including the burrowing anemone Cerianthus lloydii. The gravelly component of this biotope provides a substrate for encrusting species such as the polychaete Pomatoceros triqueter and coralline encrusting algae.
Source: EUNIS habitat classification
Quick facts
EUNIS habitat type | code A5.5214 |
---|---|
Bern Convention | Included in a Resolution 4 habitat type at a higher level (A5) |
Vegetation types
Relation to vegetation types (syntaxa)
Not availableSpecies mentioned in habitat description
Species scientific name | English common name | Species group |
---|---|---|
Laminaria saccharina | Algae | |
Plocamium cartilagineum | Algae |
Other classifications
Classification | Code | Habitat type name | Relationship type |
---|---|---|---|
Marine Habitat Classification Britain/Ireland 0405 | SS.SMp.KSwSS.LsacR.Mu | <I>Laminaria saccharina</I> with red and brown seaweeds on lower infralittoral muddy mixed sediment | source |
CORINE Land Cover | 5.2.3. | Sea and ocean | n/a |
History
Classification | Code | Habitat type name | Relationship type |
---|---|---|---|
EUNIS Habitat Classification 200410 | A5.5214 | Laminaria saccharina with red and brown seaweeds on lower infralittoral muddy mixed sediment | same |
EUNIS Habitat Classification 200308 | A4.411 | Laminaria saccharina, Chorda filum and filamentous red seaweeds on sheltered shallow-water sediment | wider |
EUNIS Habitat Classification 200202 | A4.411 | Laminaria saccharina, Chorda filum and filamentous red seaweeds on sheltered shallow-water sediment | overlap |
EUNIS Habitat Classification 199910 | A4.411 | Laminaria saccharina, Chorda filum and filamentous red seaweeds on sheltered shallow-water sediment | overlap |
MNCR BioMar 97.06 (Britain & Ireland) | IMX.KSwMx.LsacX | Laminaria saccharina, Chorda filum and filamentous red seaweeds on sheltered infralittoral sediment | overlap |