| STRONG (3-6 kn.) |
|
Tubularia, sponges & other hydroids
(TubS) Dense Alcyonium, Tubularia & Anemones (AlcTub) |
Cushion sponges,
hydroids & ascidians (CuSH) Mixed reduced salinity - H.
bowerbanki & Eudendrium (HbowEud) |
|
MODER-ATELY STRONG
(1-3 kn.) |
Corynactis & crisiid/ Bugula/ Cellaria turf
(CorCri)
Coralline crusts, Parasmittina & Caryophyllia (CCParCar)
Deep - Phakellia & axinellid sponges (PhaAxi)
Mobile/mixed - Pomatoceros, Balanus crenatus & bryozoan crusts
(PomByC) |
Corynactis & crisiid/Bugula/Cellaria
turf (CorCri)
Alcyonium, Cliona, Pachymatisma & Nemertesia (AlcMaS)
Alcyonium, Pomatoceros, algal & bryozoan crusts (AlcC) |
Erect sponges & Eunicella/Swiftia
(ErSEun, ErSPbolSH, ErSSwi) Flustra & hydroid/bryozoan turf (Flu*)
Sponges, Nemertesia spp. & Alcyonidium diaphanum (SnemAdia)
Slight tides/mixed - Ophiothrix/Ophiocomina beds
(Oph*)
Stolonica & Polyclinum (StoPaur)
Vertical - Alcyonium, Pomatoceros, algal &
bryozoan crusts (AlcC)
Soft rock - Piddocks (Pid); Polydora (Pol)
Vertical rock - Bugula spp. (Bug); Antedon bifida & bryozoan/hydroid
turf (Ant)
Sand influence - Sabellaria spinulosa (Sspi)
Sand abraded/covered - Urticina/Ciocalypta (Urt.Urt & Urt.Cio)
Mixed - Musculus beds (Mus); Modiolus beds (ModT); Mytilus beds
(MytHAs) |
Mixed - Modiolus beds with Chlamys varia,
sponges, hydroids & bryozoans (ModCvar) |
|
WEAK
(<1 kn.) |
Coralline crusts, Parasmittina
& Caryophyllia (CCParCar) Alcyonium & Securiflustra
(AlcSec)
Alcyonium, Pomatoceros, algal & bryozoan crusts (AlcC)
Mobile/mixed - Pomatoceros, Balanus crenatus &
bryozoan crusts (PomByc) |
Faunal & algal crusts, Echinus
& sparse Alcyonium (FaAlC*) Alcyonium & Securiflustra
(AlcSec)
Slight tides/mixed - Ophiothrix/Ophiocomina beds
(Oph*)
Vertical - Alcyonium, Pomatoceros, algal & bryozoan crusts (AlcC)
Vertical - Bugula spp. (Bug); Antedon bifida & bryozoan/hydroid turf
(Ant)
Caves - Sponges, cup corals & Parerythropodium (Scup)
Soft rock - Piddocks (Pid); Polydora (Pol)
Silty - Molgula manhattensis & Polycarpa spp. (MolPol); with Sabellaria
(MolPol.Sab) |
Antedon, solitary ascidians & fine
hydroids (AntAsH)
Mixed - Modiolus with fine hydroids & solitary
ascidians (ModHAs) |
Suberites, other sponges &
solitary ascidians (SubSoAs)
Mixed - Modiolus with fine hydroids & solitary
ascidians (ModHAs) |
|
VERY WEAK
(Negligible) |
Solitary ascidians, inc. Ciona, Ascidia mentula
(AmenCio)
Mixed - Ascidiella aspersa (Aasp) |
Metridium & solitary ascidians (AmenCio.Met) Neocrania
& Protanthea (NeoPro)
Variable salinity - Brachiopods, calcareous tubeworms & sponges
(NeoPro.CaTw)
Reduced salinity - Neocrania, Dendrodoa & Sarcodictyon
(NeoPro.Den) |
