Mats of Trailliella on Atlantic infralittoral muddy gravel
Description (English)
Dense loose-lying beds of the ' Trailliella ' phase of Bonnemaisonia hamifera may occur in extremely sheltered shallow muddy environments. Beds of this alga are often 10 cm thick but may reach 100 cm at some sites. Other loose-lying algae may also occur such as Audouinella floridula, Phyllophora crispa and species of Derbesia. Often the mud is gravelly or with some cobbles and may be black and anoxic close to the sediment surface. This biotope is widely distributed in lagoons, sealochs and voes but should only be described as MB6-212 when a continuous mat is found. It is likely that the infaunal component of this biotope may be considerably modified by the overwhelming quantity of loose-lying algae.
Source: EUNIS habitat classification
Quick facts
| EUNIS habitat type | code MB6212 |
|---|---|
| Relation to | Annex I habitat types (EU Habitats Directive) |
Legal status
Relation to other habitat types mentioned in legal instruments
| Legal text | Annex | Name in legal text | Code in legal text |
Habitat type relationship |
More information |
|---|---|---|---|---|---|
| Council Directive 92/43/EEC of 21 May 1992 on the conservation of natural habitats and of wild fauna and flora - consolidated version 01/01/2007 | Annex I: natural habitat types of community interest whose conservation requires the designation of special areas of conservation | Large shallow inlets and bays | 1160 | Overlap | http://ec.europa.eu/environm...rective/index_en.htm |
Vegetation types
Relation to vegetation types (syntaxa)
Not availableSpecies mentioned in habitat description
Algae
Phyllophora crispa
| Species scientific name | English common name | Species group |
|---|---|---|
| Phyllophora crispa | Algae |
Other classifications
| Classification | Code | Habitat type name | Relationship type |
|---|---|---|---|
| EUNIS Habitat Classification 2007 (revised descriptions 2012) | A5.526 | Mats of Trailliella on infralittoral muddy gravel | same |
History
| Classification | Code | Habitat type name | Relationship type | Comment |
|---|---|---|---|---|
| EUNIS Habitat Classification 200410 | A5.526 | Mats of Trailliella on infralittoral muddy gravel | same | |
| EUNIS Habitat Classification 200308 | A4.412 | Mats of Trailliella on infralittoral muddy gravel | same | |
| EUNIS Habitat Classification 200202 | A4.412 | Mats of Trailliella on shallow-water muddy gravel | same | |
| EUNIS Habitat Classification 199910 | A4.412 | Mats of Trailliella on shallow-water muddy gravel | same | |
| MNCR BioMar 97.06 (Britain & Ireland) | IMX.KSwMx.Tra | Mats of Trailliella on infralittoral muddy gravel | same |
