MBDP-NI: Site details NW Portstewart Point.

Priority species

NW Portstewart Point.

Survey number: 550 Event number: 19840705/08 Date: 1984-07-05 GPS: 55.19050,-6.72250. Depth: -2.0 to -2.0 m. [ View map ]

Site Description: Bedrock shelf with numerous gullies 1m deep. Dense kelp on top. Halichondria, Mytilus and ascidians dominated below.

Species list (64 species recorded):

PORIFERA
Leuconia nivea
Amphilectus fucorum
Myxilla incrustans
Halichondria panicea
Haliclona viscosa
CNIDARIA
Halecium halecinum
Sertularia argentea
Plumularia setacea
Obelia geniculata
Alcyonium digitatum
Urticina felina
Cylista elegans
Caryophyllia smithii
CRUSTACEA
Balanus crenatus
Cancer pagurus
Necora puber
MOLLUSCA
Steromphala cineraria
Calliostoma zizyphinum
Patella pellucida
Trivia arctica
Aplysia (Pruvotaplysia) punctata
Mytilus edulis
BRYOZOA
Alcyonidium diaphanum
Membranipora membranacea
Electra pilosa
ECHINODERMATA
Asterias rubens
Leptasterias muelleri
Echinus esculentus
Aslia lefevrei
TUNICATA
Clavelina lepadiformis
Polyclinum aurantium
Sidnyum turbinatum
Aplidium nordmanni
Aplidium punctum
Didemnum sp.
Diplosoma listerianum
Ciona intestinalis
Polycarpa pomaria
Polycarpa scuba
Dendrodoa grossularia
Botryllus schlosseri
RHODOPHYTA
Porphyra sp.
Palmaria palmata
Corallina officinalis
Dilsea carnosa
Chondrus crispus
Metacallophyllis laciniata
Phyllophora crispa
Plocamium cartilagineum
Lomentaria orcadensis
Acrosorium venulosum
Cryptopleura ramosa
Delesseria sanguinea
Membranoptera alata
Phycodrys rubens
Odonthalia dentata
Polysiphonia stricta
Pterosiphonia parasitica
CHROMOPHYTA
Desmarestia aculeata
Desmarestia ligulata
Desmarestia viridis
Alaria esculenta
Laminaria hyperborea
CHLOROPHYTA
Ulva lactuca

No biotope record.

PORIFERA
Leuconia nivea P
Amphilectus fucorum P
Myxilla incrustans P
Halichondria panicea P
Haliclona viscosa P
CNIDARIA
Halecium halecinum P
Sertularia argentea P
Plumularia setacea P
Obelia geniculata P
Alcyonium digitatum P
Urticina felina P
Cylista elegans P
Caryophyllia smithii P
CRUSTACEA
Balanus crenatus P
Cancer pagurus P
Necora puber P
MOLLUSCA
Steromphala cineraria P
Calliostoma zizyphinum P
Patella pellucida P
Trivia arctica P
Aplysia (Pruvotaplysia) punctata P
Mytilus edulis P
BRYOZOA
Alcyonidium diaphanum P
Membranipora membranacea P
Electra pilosa P
ECHINODERMATA
Asterias rubens P
Leptasterias muelleri P
Echinus esculentus P
Aslia lefevrei P
TUNICATA
Clavelina lepadiformis P
Polyclinum aurantium P
Sidnyum turbinatum P
Aplidium nordmanni P
Aplidium punctum P
Didemnum sp. P
Diplosoma listerianum P
Ciona intestinalis P
Polycarpa pomaria P
Polycarpa scuba P
Dendrodoa grossularia P
Botryllus schlosseri P
RHODOPHYTA
Porphyra sp. P
Palmaria palmata P
Corallina officinalis P
Dilsea carnosa P
Chondrus crispus P
Metacallophyllis laciniata P
Phyllophora crispa P
Plocamium cartilagineum P
Lomentaria orcadensis P
Acrosorium venulosum P
Cryptopleura ramosa P
Delesseria sanguinea P
Membranoptera alata P
Phycodrys rubens P
Odonthalia dentata P
Polysiphonia stricta P
Pterosiphonia parasitica P
CHROMOPHYTA
Desmarestia aculeata P
Desmarestia ligulata P
Desmarestia viridis P
Alaria esculenta P
Laminaria hyperborea P
CHLOROPHYTA
Ulva lactuca P