Sublittoral mud

English name: Sublittoral mud

Description (English)

Sublittoral mud and cohesive sandy mud extending from the extreme lower shore to offshore, circalittoral habitats. This biotope is predominantly found in sheltered harbours, sealochs, bays, marine inlets and estuaries and stable deeper/offshore areas where the reduced influence of wave action and/or tidal streams allow fine sediments to settle. Such habitats are often by dominated by polychaetes and echinoderms, in particular brittlestars such as Amphiura spp. Seapens such as Virgularia mirabilis and burrowing megafauna including Nephrops norvegicus are common in deeper muds. Estuarine muds tend to be characterised by infaunal polychaetes and oligochaetes.

Source: EUNIS habitat classification

Quick facts

EUNIS habitat type code A5.3
Bern Convention Included in a Resolution 4 habitat type at a higher level (A5)
Relation to Annex I habitat types (EU Habitats Directive)

Vegetation types

Relation to vegetation types (syntaxa)

Not available

Species mentioned in habitat description


List

Other classifications

Classification Code Habitat type name Relationship type
CORINE Land Cover 5.2.3. Sea and ocean n/a
Marine Habitat Classification Britain/Ireland 0405 SS.SMu Sublittoral cohesive mud and sandy mud communities same
Biodiversity Action Plan Priority Habitats (UK) 39 Mud habitats in deep water wider
For relation to plant communities (syntaxa), see Vegetation types

History

Classification Code Habitat type name Relationship type
EUNIS Habitat Classification 200410 A5.3 Sublittoral mud same
EUNIS Habitat Classification 200308 A4.74 Animal communities of deep circalittoral muddy bottoms narrower
EUNIS Habitat Classification 200308 A4.3 Sublittoral mud same
EUNIS Habitat Classification 200202 A4.74 Animal communities of deep circalittoral muddy bottoms narrower
EUNIS Habitat Classification 200202 A4.3 Sublittoral muds narrower
EUNIS Habitat Classification 199910 A4.3 Sublittoral muds same
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