EUNIS habitat classification 2017 > M - Marine benthic habitats > MB6 - Infralittoral mud > MB62 - Atlantic infralittoral mud > MB621 - Vegetated communities on Atlantic infralittoral mud > MB6212 - Mats of Trailliella on Atlantic infralittoral muddy gravel

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 Resolution 4 habitat type (used for designation of Emerald sites)

Vegetation types

Relation to vegetation types (syntaxa)

Not available

Species mentioned in habitat description

Algae Bonnemaisonia hamifera
Algae Phyllophora crispa
Species scientific name English common name Species group
Bonnemaisonia hamifera Algae
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
For relation to plant communities (syntaxa), see Vegetation types

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
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