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Biotope - Typologie Européenne EUNIS
E6.1 - Niveau 3 : Steppes salées intérieures méditerranéennes
Description
Vegetated saline land of Mediterranean coastal regions and of the fringes of semiarid salt basins that lack drainage to the sea; often dominated by perennial, rosette-forming Limonium spp. or esparto grass, Lygeum spartum. The soils are temporarily permeated (though not inundated) by saline water and subject to extreme summer drying, with formation of salt efflorescences.
Taxons (Liens actifs si espèces présentes)
E6.13 - Niveau 4 : Communautés pionnières méditerranéennes continentales halonitrophiles
Description
Formations of halo-nitrophilous annuals (Frankenia pulverulenta, Suaeda splendens, Salsola soda, Cressa cretica, Parapholis incurva, Parapholis strigosa, Hordeum marinum, Sphenopus divaricatus, Polypogon maritimus, Spergularia spp., Vella annua) colonizing salt muds of Mediterranean and thermo-Atlantic coastal regions, of Iberian and North African endoreic (closed drainage) basins, susceptible to temporary inundation and extreme drying. Vegetation e.g. of Frankenion pulverulentae. They are more species-rich or richer in non-Chenopodiaceae than the communities of unit A2.551; they are particularly developed in the Iberian peninsula, secondarily in the large Mediterranean islands, in coastal regions and endoreic basins of North Africa, in southern Italy and Mediterranean France; they occur as irradiations on thermo-Atlantic coasts, notably on the Atlantic coast of France. Somewhat similar communities occur in the steppe zones of Eurasia and their regions of influence, as well as in Saharo-Mediterranean steppes of North Africa; they are included in unit E6.23.
Taxons (Liens actifs si espèces présentes)
Cressa cretica L., 1753 ( Esp. caract. )
Frankenia pulverulenta L., 1753 ( Esp. caract. )
Hordeum marinum Huds., 1778 ( Esp. caract. )
Parapholis incurva (L.) C.E.Hubb., 1946 ( Esp. caract. )
Parapholis strigosa (Dumort.) C.E.Hubb., 1946 ( Esp. caract. )
Polypogon maritimus Willd., 1801 ( Esp. caract. )
Salsola soda L., 1753 ( Esp. caract. )
Spergularia (Pers.) J.Presl & C.Presl, 1819 ( Esp. caract. )
Sphenopus divaricatus (Gouan) Rchb., 1830 ( Esp. caract. )
Suaeda splendens (Pourr.) Gren. & Godr., 1855 ( Esp. caract. )
Vella annua L., 1753 ( Esp. caract. )
Frankenia pulverulenta L., 1753 ( Esp. caract. )
Hordeum marinum Huds., 1778 ( Esp. caract. )
Parapholis incurva (L.) C.E.Hubb., 1946 ( Esp. caract. )
Parapholis strigosa (Dumort.) C.E.Hubb., 1946 ( Esp. caract. )
Polypogon maritimus Willd., 1801 ( Esp. caract. )
Salsola soda L., 1753 ( Esp. caract. )
Spergularia (Pers.) J.Presl & C.Presl, 1819 ( Esp. caract. )
Sphenopus divaricatus (Gouan) Rchb., 1830 ( Esp. caract. )
Suaeda splendens (Pourr.) Gren. & Godr., 1855 ( Esp. caract. )
Vella annua L., 1753 ( Esp. caract. )
Analyse Ecologie du milieu (En fonction des espèces présentes)