Identity:

Eulittoral mixed substrata subject to variations in salinity and/or siltation characterised by dense blankets of ephemeral green and red seaweeds (A2.821). This is a biotope with a low species diversity and the relatively high number of species in the characterising species list are due to a variation in the species composition from site to site, not to high species richness on individual sites. Note: Connor et al (2004) classify this habitat type together with A1.45 and A2.43 as LR.ELR.Eph.