Black sea lower circalittoral mud
Description (English)
Terrigenous muds (mud of terrestrial origin), calcareous muds and biogenic detritic bottoms at depths of 60-180m. The benthic fauna is dominated by bean mussels Modiolula phaseolina, polychaetes and solitary ascidians. At the greatest depths the environment becomes hypoxic. Here the sediment consists of periazoic calcareous white muds and faunal communities become impoverished. Characteristic species:Modiolula phaseolina, Amphiura stepanovi, Terebellides stroemi, Pachycerianthus solitarius, solitary ascidians (Ascidiella aspersa, Ciona intestinalis, Eugyra), hydrozoans (Bougainvillia ramosa), nematodes and oligochaetes.
Source: EUNIS habitat classification
Quick facts
| EUNIS habitat type | code MC645 |
|---|
Vegetation types
Relation to vegetation types (syntaxa)
Not availableSpecies mentioned in habitat description
Invertebrates
Ciona intestinalis
| Species scientific name | English common name | Species group |
|---|---|---|
| Ciona intestinalis | Invertebrates |
Other classifications
| Classification | Code | Habitat type name | Relationship type |
|---|---|---|---|
| EUNIS Habitat Classification 2007 (revised descriptions 2012) | A5.37 | Deep circalittoral mud | narrower |
| European Red List of Habitats | BLSA5.37 | Pontic lower circalittoral mud | same |
History
| Classification | Code | Habitat type name | Relationship type | Comment |
|---|---|---|---|---|
| EUNIS Habitat Classification 200410 | A5.37 | Deep circalittoral mud | same | |
| EUNIS Habitat Classification 200202 | A4.74 | Animal communities of deep circalittoral muddy bottoms | same |
