N112 Middle European sand beach annual communities
Description
Ephemeral, patchy communities colonising sandy beaches near the level of spring tides.
Protection
Protected under the code 1210 ("Annual vegetation of drift lines") by the EU Habitat Directive.Floristic Composition
Frequent species
Elytrigia juncea
74%,
Salsola kali
65%,
Honckenya peploides
61%,
Cakile maritima
56%,
Eryngium maritimum
48%,
Polygonum maritimum
39%,
Euphorbia paralias
29%,
Calystegia soldanella
27%,
Atriplex prostrata
22%,
Cynodon dactylon
15%,
Beta vulgaris
12%,
Raphanus raphanistrum
9%,
Tripleurospermum maritimum
7%,
Euphorbia peplis
6%,
Crithmum maritimum
6%
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Indicator species
Salsola kali 0.64,
Honckenya peploides 0.57,
Cakile maritima 0.55,
Polygonum maritimum 0.34,
Atriplex prostrata 0.21,
Beta vulgaris 0.11,
Cynodon dactylon 0.1,
Raphanus raphanistrum 0.08,
Euphorbia peplis 0.06,
Tripleurospermum maritimum 0.05,
Calystegia sepium 0.03,
Glaucium flavum 0.02,
Rumex obtusifolius 0.02,
Chenopodium album 0.02,
Euphorbia polygonifolia 0.01,
Persicaria maculosa 0.01,
Xanthium orientale 0.01,
Polypogon maritimus 0.01,
Senecio lividus 0.01,
Jacobaea vulgaris 0.01,
Euphorbia polygalifolia 0.01,
Rumex conglomeratus 0.01,
Lolium perenne 0.01,
Solanum nigrum 0.01,
Datura stramonium 0.01,
Briza media 0.01,
Xanthium strumarium 0.01,
Tetragonia tetragonioides 0.01,
Phleum arenarium 0.01,
Elytrigia campestris 0,
Parapholis incurva 0,
Coleostephus myconis 0,
Bidens tripartitus 0,
Calendula suffruticosa 0,
Potentilla erecta 0,
Glebionis segetum 0,
Phytolacca americana 0,
Lythrum junceum 0,
Arctotheca calendula 0,
Phalaris canariensis 0,
Fallopia convolvulus 0,
Taraxacum sect. Taraxacum 0,
Avena barbata 0
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Phytosociology
- Honckenyo-Euphorbietum peplis
Relations with other habitat types
After severe storms, these communities might expand and colonise inner areas, only to be eventually replaced by N131.
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Regional distribution
Widespread along the sandy shores of the ecorregion but always localised in narrow fringes, since only by means of the abundance of mineral nutrients supplied by the drift-line are these highly specialised plants able to complete their very short life-cycles and release resistant and potentially sea-borne seeds before being killed by the frequent disturbances brought by ordinary storms.
Known occurrences and potential area of occupancy of the habitat type in the study region.
