NVC community SD11 (Carex arenaria - Cornicularia aculeata dune community) is one of the 16 sand-dune communities in the British National Vegetation Classification system.
It is one of four communities associated with fixed dunes.
It is a comparatively localised community. There are two subcommunities.
Community composition
editThe following constant species are found in this community:
- Sand sedge (Carex arenaria)
- the lichen Cornicularia aculeata
The following rare species are also associated with the community:
- Purple Milk-vetch (Astragalus danicus)
- Grey Hair-grass (Corynephorus canescens)
Distribution
editThis community is found on the east coast, mostly on the sand-dunes of Norfolk and Suffolk, but also in Aberdeenshire and on the south coast of Kent. It is also found inland, in The Brecks on the Norfolk/Suffolk border.
Subcommunities
editThere are two subcommunities:
- the Ammophila arenaria subcommunity
- the Festuca ovina subcommunity
References
edit- Rodwell, J. S. (2000) British Plant Communities Volume 5 - Maritime communities and vegetation of open habitats ISBN 0-521-39167-9 (hardback), ISBN 0-521-64476-3 (paperback)