2297 page results
SS.SBR.SMus.ModT Modiolus modiolus beds with hydroids and red seaweeds on tide-swept circalittoral mixed substrata
Published date 2015-03Modiolus beds on mixed substrata (cobbles, pebbles and coarse muddy sediments) in moderately strong currents or wave exposed areas, typically on the open coast but also in tide-swept channels of marin...
SS.SMp.KSwSS.Tra Mats of Trailliella on infralittoral muddy gravel
Published date 2015-03Dense 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...
SS.SSa.OSa.OfusAfil Owenia fusiformis and Amphiura filiformis in offshore circalittoral sand or muddy sand
Published date 2015-03Areas of slightly muddy sand (generally Owenia fusiformis and Galathowenia sp., often with the brittlestar Amphiura filiformis. Whilst O. fusiformis is also found in other circalittoral or offshore b...
Hydrophilous tall herb fringe communities of plains and of the montane to alpine levels
Published dateNatural and semi-natural grassland formations Description and ecological characteristics This habitat type is typically found on ungrazed upland cliff ledges, occasionally extending on to open ground,...
Hard oligo-mesotrophic waters with benthic vegetation of Chara spp.
Published dateFreshwater habitats Description and ecological characteristics This habitat type is characterised by water with a high base content, most often calcium but very rarely magnesium, and is usually confin...
LR.FLR.Rkp.G Green seaweeds (Ulva spp. and Cladophora spp.) in shallow upper shore rockpools
Published date 2015-03Rockpools in the littoral fringe or upper eulittoral zone subject to widely fluctuating temperatures and salinity are characterised by ephemeral green alga of the genus Ulva, along with Cladophora spp...
SS.SCS.OCS.HeloPkef Hesionura elongata and Protodorvillea kefersteini in offshore coarse sand
Published date 2015-03Offshore (deep) circalittoral habitats with coarse sand may support populations of the interstitial polychaete Hesionura elongata with Protodorvillea kefersteini. Other notable species include the phy...
LS.LMu.MEst.HedMacScr Hediste diversicolor, Macoma balthica and Scrobicularia plana in littoral sandy mud
Published date 2015-03Mainly mid shore mud or sandy mud subject to variable salinity on sheltered estuarine shores. Typically, the sediment is wet in appearance and has an anoxic layer below 1 cm depth. The surface of the ...
LR.FLR Features of littoral rock
Published date 2015-03Littoral rock features includes lichens and algae crusts (LIC) in the supralittoral zone and rockpools (Rkp), ephemeral algae (Eph) and caves (CvOv) in the intertidal zone (the area of the shore betwe...
SS.SBR.SMus Sublittoral mussel beds (on sublittoral sediment)
Published date 2015-03Sublittoral mussel beds comprised of either the horse mussel Modiolus modiolus or the common mussel Mytilus edulis. These communities may be sublittoral extensions of littoral reefs or exist independe...