29 page results for 'maerl'
SS.SMp.Mrl Maerl beds
Published date 2015-03Beds of maerl in coarse clean sediments of gravels and clean sands, which occur either on the open coast ... In fully marine conditions the dominant maerl is typically Phymatolithon calcareum (SS.SMp.Mrl.Pcal),
SS.SMp.Mrl.Lfas Lithophyllum fasciculatum maerl beds on infralittoral mud
Published date 2015-03Shallow, sheltered infralittoral muddy plains with Lithophyllum fasciculatum maerl. ... This rarely recorded maerl species forms flattened masses or balls several centimetres in diameter (Irvine
SS.SMp.Mrl.Pcal Phymatolithon calcareum maerl beds in infralittoral clean gravel or coarse sand
Published date 2015-03Algal species may be anchored to the maerl or to dead bivalve shells amongst the maerl. ... Wave and current-exposed maerl beds, where thicker depths of maerl accumulate, frequently occur as waves
SS.SMp.Mrl.Lcor Lithothamnion corallioides maerl beds on infralittoral muddy gravel
Published date 2015-03Live maerl beds in sheltered, silty conditions which are dominated by Lithothamnion corallioides with ... Live maerl is at least common but there may be noticeable amounts of dead maerl gravel and pebbles.
SS.SMp.Mrl.Pcal.R Phymatolithon calcareum maerl beds with red seaweeds in shallow infralittoral clean gravel or coarse sand
Published date 2015-03Upper infralittoral maerl beds characterised by Phymatolithon calcareum in gravels and sand with a wide ... These species are not restricted to maerl beds but their abundance on maerl beds differentiates this
SS.SMp.Mrl.Lgla Lithothamnion glaciale maerl beds in tide-swept variable salinity infralittoral gravel
Published date 2015-03sediment in full or variable salinity conditions support distinctive beds of Lithothamnion glaciale maerl ... Phymatolithon calcareum may also be present as a more minor maerl component.
SS.SMp.Mrl.Pcal.Nmix Phymatolithon calcareum maerl beds with Neopentadactyla mixta and other echinoderms in deeper infralittoral clean gravel or coarse sand
Published date 2015-03Lower infralittoral maerl beds characterised by Phymatolithon calcareum in gravels and sand with a variety
IR.MIR.KT.XKTX Mixed kelp and red seaweeds on infralittoral boulders, cobbles and gravel in tidal rapids
Published date 2015-03Where maerl dominates, the biotope should be recorded as a maerl bed (SS.SMP.Mrl). ... areas of maerl bed (Phy & Lgla).
Sandbanks which are slightly covered by sea water all the time
Published datesub-fossil maerl, coarse sands, gravels and cobbles. ... The Red Bay sandbanks are dominated by both living maerl and sub-fossil maerl and have been thoroughly
Red Bay
Published datesub-fossil maerl, coarse sands, gravels and cobbles. ... The Red Bay sandbanks are dominated by both living maerl and sub-fossil maerl and have been thoroughly