Red List habitat classification > RL - Marine habitats > RLBAL - Baltic > BAL50 Infaunal communities in Baltic upper circalittoral mixed sediment

Infaunal communities in Baltic upper circalittoral mixed sediment

Quick facts

Red List habitat type code BAL50
Threat status
Europe Data Deficient
EU Data Deficient
Relation to
Source European Red List habitat factsheet
European Red List of habitats reports
European Red List of habitats (Excel table)

Summary

This habitat occurs in the Baltic on aphotic bottoms with 10- 90% coverage of hard (rock/boulders/stone) and 10-90% soft substrata (e.g. muddy/coarse sediment/sand) according to the HELCOM HUB classification. 

Indicators of quality:

None indentified

Characteristic species
For full habitat description, please download the habitat factsheet.

Threat status

Synthesis of Red List assessment

There is insufficient information on habitat extent, quality and changes over time to assess this habitat at the present time. It has therefore been assessed as Data Deficient for both the EU 28 and EU 28+.
EU
Red List Category Red List Criteria
Data Deficient -
Europe
Red List Category Red List Criteria
Data Deficient -

Confidence in the assessment

low
Red List of habitat categories and criteria descriptions

Pressures and threats

  • No threats or pressures
    • No threats or pressures

Habitat restoration potential

Unknown

Trends in extent

Average current trend in quantity
Unknown Unknown
EU28 EU28+

Trends in quality

Average current trend in quality
Unknown Unknown
EU28 EU28+

Conservation and management needs

No conservation and management measures have been identified specifically for this habitat.

List of conservation and management needs

  • No measures
    • No measures needed for the conservation of the habitat/species

Distribution

For each habitat a distribution map was produced from a wide variety of sources indicating known and potential occurrences of the habitat in 10x10 km grids within Europe. Occurrences in grid cells were given in two classes: actual distribution from relatively reliable sources (surveys, expert knowledge), and potential distribution based on models or less reliable indicators. Please download the fact sheet to see the map.

Geographic occurrence and trends

Seas Present or presence uncertain Current area of habitat (Km2) Recent trend in quantity (last 50 years) Recent trend in quality (last 50 years)
Baltic Proper Present Unknown Unknown Unknown
Belt Sea
Gulf of Bothnia
Gulf of Finland
Gulf of Riga
The Sound

Extent of Occurrence, Area of Occupancy and habitat area

Extent of Occurrence (EOO) (Km2) Area of Occupancy (AOO) Current estimated Total Area Comment
EU28 Unknown Unknown Unknown This habitat is present in all the Baltic sub-basins however there is insufficient information for accurate calculation of EOO and AOO.
EU28+ Unknown Unknown This habitat is widespread however there is insufficient quantitative data to make an accurate estimate of EOO and AOO.
AOO = the area occupied by a habitat measured in number of 10x10 km grid cells.
EOO = the area (km2) of the envelope around all occurrences of a habitat (calculated by a minimum convex polygon).

Characteristic species

Not available

Vegetation types

Relation to vegetation types (syntaxa)

Not available

Other classifications

Not available
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