2193 page results
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...
IR.HIR.KFaR.Ala.Ldig Alaria esculenta and Laminaria digitata on exposed sublittoral fringe bedrock
Published date 2015-03Exposed sublittoral fringe bedrock characterised by a mixture of the kelps Laminaria digitata and Alaria esculenta with an understorey of red seaweeds including Palmaria palmata and Corallina officina...
SS.SBR.PoR.SalvMx Sabellaria alveolata on variable salinity sublittoral mixed sediment
Published date 2015-03Tide-swept sandy mixed sediments with cobbles and pebbles, in variable salinity or fully marine conditions, may be characterised by surface accumulations of the reef building polychaete Sabellaria alv...
LR.LLR Low energy littoral rock
Published date 2015-03Sheltered to extremely sheltered rocky shores with very weak to weak tidal streams are typically characterised by a dense cover of fucoid seaweeds which form distinct zones (the wrack Pelvetia canalic...
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...
LR.FLR.Rkp.Cor.Bif Bifurcaria bifurcata in shallow eulittoral rockpools
Published date 2015-03Eulittoral rockpools in south-west Britain on very exposed to moderately exposed shores dominated by the brown seaweed Bifurcaria bifurcata and encrusting coralline algae and Corallina officinalis. Ke...
IR.HIR.KSed.XKHal Halidrys siliquosa and mixed kelps on tide-swept infralittoral rock with coarse sediment
Published date 2015-03Tide-swept boulders and cobbles, often with a mobile component to the substrata (pebbles, gravel and sand), characterised by dense stands of the brown seaweed Halidrys siliquosa. It is can be mixed wi...
SS.SMp.KSwSS.FilG Filamentous green seaweeds on low salinity infralittoral mixed sediment or rock
Published date 2015-03Shallow muddy sediments, often with boulders, cobbles and pebbles around the edges of lagoons, or other areas that are exposed to wide salinity variations are unsuitable for colonisation by many speci...
LR.HLR.MusB.Cht Chthamalus spp. on exposed eulittoral rock
Published date 2015-03Very exposed to moderately exposed upper and mid eulittoral bedrock and boulders characterised by a dense community of barnacles, including Chthamalus montagui, Chthamalus stellatus and Semibalanus ba...
IR.MIR.KR Kelp and red seaweeds (moderate energy infralittoral rock)
Published date 2015-03Infralittoral rock subject to moderate wave exposure, or moderately strong tidal streams on more sheltered coasts. On bedrock and stable boulders there is typically a narrow band of kelp Laminaria dig...