British NVC community SM1 (Zostera communities)
Encyclopedia
British NVC community SM1 (Zostera communities) is one of the salt-marsh
Salt-marsh communities in the British National Vegetation Classification system
This article gives an overview of the salt-marsh communities in the British National Vegetation Classification system.-Introduction:The salt-marsh communities of the NVC were described in Volume 5 of British Plant Communities, first published in 2000, along with the other maritime communities and...

 communities in the British National Vegetation Classification
British National Vegetation Classification
The British National Vegetation Classification or NVC is a system of classifying natural habitat types in Great Britain according to the vegetation they contain....

 system.

This community is found very widely around Britain's coastline. There are no subcommunities, although stands of this community can be ascribed to one of three types based on the species present.

Community composition

The following constant species are found in this community, one in each type of stand:
  • Eelgrass
    Zostera marina
    Zostera marina is a species of seagrass known by the common names common eelgrass and seawrack. It is an aquatic plant native to marine environments on the coastlines of mostly northern sections of North America and Eurasia. It is the most wide-ranging marine flowering plant in the Northern...

     (Zostera marina)
  • Narrow-leaved Eelgrass (Zostera angustifolia)
  • Dwarf Eelgrass (Zostera noltei)


No rare species are associated with the community.

Distribution

This community is found widely around most of Britain's coastline, although stands of Zostera noltii and Zostera angustifolia are absent from the English
England
England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

 west coast. Stands of Zostera marina are particularly frequent in western Scotland
Scotland
Scotland is a country that is part of the United Kingdom. Occupying the northern third of the island of Great Britain, it shares a border with England to the south and is bounded by the North Sea to the east, the Atlantic Ocean to the north and west, and the North Channel and Irish Sea to the...

.
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