N133 Coastal dunes: white dunes (sensu stricto)
Description
Grasslands dominated by Ammophila arenaria, taller and denser than those in N131, which they end up replacing after a sufficiently long period without storm disturbances, thus typically occupying a more inland position.
Floristic Composition
Frequent species
Ammophila arenaria
1,
Eryngium maritimum
0.83,
Calystegia soldanella
0.71,
Euphorbia paralias
0.64,
Elytrigia juncea
0.53,
Thrincia saxatilis aggr.
0.44,
Festuca juncifolia
0.41,
Pancratium maritimum
0.2,
Lagurus ovatus
0.17,
Carex arenaria
0.16,
Crucianella maritima
0.14,
Linaria supina
0.13,
Achillea maritima
0.12,
Cutandia maritima
0.1,
Medicago marina
0.09,
Honckenya peploides
0.09,
Sonchus oleraceus
0.08,
Marcus-kochia littorea
0.08,
Helichrysum stoechas
0.07,
Koeleria pyramidata
0.07,
Linaria polygalifolia
0.07,
Sonchus bulbosus
0.07,
Hypochaeris radicata
0.07,
Medicago littoralis
0.07,
Reichardia gaditana
0.06,
Cynodon dactylon
0.06,
Oenothera biennis
0.06,
Polygonum maritimum
0.06,
Cakile maritima
0.05,
Rumex bucephalophorus
0.05,
Matthiola sinuata
0.05
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Indicator species
Ammophila arenaria 0.99
,
Eryngium maritimum 0.55
,
Calystegia soldanella 0.52
,
Euphorbia paralias 0.5
,
Festuca juncifolia 0.39
,
Thrincia saxatilis aggr. 0.37
,
Pancratium maritimum 0.15
,
Lagurus ovatus 0.13
,
Linaria supina 0.12
,
Achillea maritima 0.11
,
Carex arenaria 0.1
,
Crucianella maritima 0.09
,
Cutandia maritima 0.09
,
Medicago marina 0.08
,
Marcus-kochia littorea 0.07
,
Linaria polygalifolia 0.07
,
Sonchus bulbosus 0.06
,
Reichardia gaditana 0.06
,
Oenothera biennis 0.05
,
Medicago littoralis 0.05
,
Sonchus oleraceus 0.05
,
Matthiola sinuata 0.05
,
Erigeron canadensis 0.04
,
Artemisia campestris 0.04
,
Helichrysum serotinum 0.04
,
Rumex bucephalophorus 0.04
,
Hypochaeris radicata 0.04
,
Andryala integrifolia 0.04
,
Silene littorea 0.03
,
Erigeron acris 0.03
,
Corynephorus canescens 0.03
,
Euphorbia polygonifolia 0.03
,
Scrophularia canina 0.02
,
Pteridium aquilinum 0.02
,
Catapodium marinum 0.02
,
Jacobaea vulgaris 0.02
,
Iberis procumbens 0.02
,
Euphorbia portlandica 0.02
,
Blackstonia perfoliata 0.01
,
Polycarpon tetraphyllum 0.01
,
Erodium cicutarium aggr. 0.01
,
Jasione maritima 0.01
,
Ononis natrix 0.01
,
Silene scabriflora 0.01
,
Glaucium flavum 0.01
,
Vulpia alopecuros 0.01
,
Polypogon maritimus 0.01
,
Cyperus capitatus 0.01
,
Anagallis arvensis 0.01
,
Bellis perennis 0.01
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Regional distribution
