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66 / 101

Present or absent

No. of records in database

No. of 1km squares recorded since 1980

in Norfolk

P

2

1

Lagoon Sea Slug Tenellia adspersa

ANNEX 7: MARINE INVERTEBRATES

Spp.

Spp. New

Considered

to National

MARINE INVERTEBRATES

Species

Extinct

BAP List

Starlet Sea Anemone Nematostella vectensis

P

8

2

Possible other

Other survey

sources

work

of data sets

completed or

in progress

Comments

JNCC

Current UK Species Statement. Favours a range of sheltered brackish water habitats including saline lagoons, brackish ditches, estuaries and harbours, tolerating salinities down to 3%. Internationally threatened – Habitat loss and degradation, salt water encroachment and pollution.

RDB Species.Current UK Species Action Plan Occurs in coastal lagoons and brackish ponds and ditches. Declining - Loss and damage to lagoon and other sheltered brackish water habitats caused by pollution, drainage and other activities, isolation of pools leading to fragmentation of populations and coastal defence works and associated infilling. Norfolk Action Plan published December 1998, revised May 2007.

62

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