Thornham Point, Emsworth is part of Chichester Harbour consisting of sea defenses, coastal saltmarsh and mudflats rich in life and attracting many species of birds. The area is subject to coastal realignment by the Chichester Harbour Conservancy as part of the sea defense strategy.
Species list and gallery.
Crustacea
Sestus
Semibalanus balanoides
Carcinus maenas
Liocarcinus arcuatus
Mollusca:
Patella sp.
Littorina littorea
Littorina obtusata
Ostrea edulis,
Magallana gigas
Ruditapes decussatus,
Venerupis senegalensis ?,
Cerastoderma edule,
Lutraria lutraria,
Scrobicularia plana,
Pholadiforme,
Peringia ulvae
Littorina littoralis
Littorina saxatilis
Lepidochitona cinereus
Polychaeta
Arenicola marina,
Pomatoceros lamarcki,
Hydroides ezoensis (long tube worm; invasive)
Polydora sp.
Nereid sp
Cnidaria
Sagartia troglodytes
Cereus pedunculatus
Hydroid: Ventromma halecioides
Seasquirts:
Molgula manhatenensis
Styela clava
Ascidiella aspersa
Sponges
Hymeniacidon perlevis,
Halichondria paniceum
Algae
Fucus vesiculosus ecad.,
Ulothrix flexuosa,
Ulva linza,
Ulva flexuosa,
Chaetomorpha linum,
Bostrichia scorpioides [initially thought to have been a charophyte]
Dumontia contorta,
- View SSE with Shoresearchers
- View S across mudflats
- Filamentous green algae 1
- Ulva intestinalis, Gut weed
- Ulva intestinalis, Gut weed
- Ulva intestinalis, Gut weed
- Filamentours 2
- Filamentous 3
- Filamentous 4
- Filamentous 4a
- Filamentous 4b
- Bostrichia scorpioides – entire plant from amongst upper saltmarsh plants
- Detail of Bostrichia scorpioides
- Bostrichia scorpioides branch ends
- Bostrichia scorpioides branch end
- Bostrichia scorpioides branch tip
- Bostrichia scorpioides branch tip
- Bostrichia scorpioides branch tip
- Bostrichia scorpioides branch
- Encrusting red algae – very dark
- Estuary sponge, Hymeniacidon perlevis
- Invasive barnacle: Austrominius modestus
- Invasive barnacle: Austrominius modestus
- Invasive barnacle: Austrominius modestus
- Invasive barnacle: Austrominius modestus
- Littorina saxatilis
- Littorina saxatilis
- Sea anemone: Sagartia troglodytes from beneath stones over mud.
- Sea anemone: Sagartia troglodytes from beneath stones over mud.
- Sea anemone: Sagartia troglodytes from beneath stones over mud.
- Sea anemone: Sagartia troglodytes from beneath stones over mud.
- Sea anemone: Sagartia troglodytes from beneath stones over mud.
- Sea anemone: Sagartia troglodytes from beneath stones over mud.
- Sea anemone: Sagartia troglodytes from beneath stones over mud.
- Sea squirt Molgula manhatensis
- Sea squirt Molgula manhatensis
- Sea squirt Molgula manhatensis
- Sea squirt Molgula manhatensis
- Hydrobid snail Peringia ulvae
- Hydrobid snail Peringia ulvae
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