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Biotope - Typologie Européenne EUNIS
D2.33 - Niveau 4 : Tourbières tremblantes à Carex rostrata
Description
Transition mire communities of boreal and western nemoral regions dominated by Carex rostrata or, in western Siberia, Carex rotundata, on sphagnum or, sometimes, pleurocarp carpets, usually constituting sparse low formations. They extend south to the mountains of the Caucasus. Vegetation of alliance Caricetum rostratae.
Taxons (Liens actifs si espèces présentes)
D2.331 - Niveau 5 : Tourbières tremblantes acidoclines à Laîche à bec
Description
Transition mire communities of boreal and western nemoral regions of the Palaearctic domaine constituted by mats of acidophilous sphagna with a usually low, open growth of Carex rostrata, accompanied by Carex nigra, Carex canescens, Carex limosa, Vaccinium oxycoccos; the main sphagna are Sphagnum recurvum, Sphagnum angustifolium, Sphagnum auriculatum, Sphagnum flexuosum, Sphagnum riparium, Sphagnum obtusum, Sphagnum dusenii.
Taxons (Liens actifs si espèces présentes)
Carex canescens L., 1753 ( Esp. caract. )
Carex limosa L., 1753 ( Esp. caract. )
Carex nigra All., 1785 ( Esp. caract. )
Carex rostrata Stokes, 1787 [nom. et typ. cons.] ( Esp. caract. )
Sphagnum angustifolium (C.E.O.Jensen ex Russow) C.E.O.Jensen ( Esp. caract. )
Sphagnum auriculatum Schimp., 1857 ( Esp. caract. )
Sphagnum dusenii (C.E.O.Jensen) Russow & Warnst. ( Esp. caract. )
Sphagnum flexuosum Dozy & Molk., 1851 ( Esp. caract. )
Sphagnum obtusum Warnst., 1877 ( Esp. caract. )
Sphagnum recurvum P.Beauv., 1805 ( Esp. caract. )
Sphagnum riparium Ã…ngstr., 1864 ( Esp. caract. )
Vaccinium oxycoccos L., 1753 ( Esp. caract. )
Carex limosa L., 1753 ( Esp. caract. )
Carex nigra All., 1785 ( Esp. caract. )
Carex rostrata Stokes, 1787 [nom. et typ. cons.] ( Esp. caract. )
Sphagnum angustifolium (C.E.O.Jensen ex Russow) C.E.O.Jensen ( Esp. caract. )
Sphagnum auriculatum Schimp., 1857 ( Esp. caract. )
Sphagnum dusenii (C.E.O.Jensen) Russow & Warnst. ( Esp. caract. )
Sphagnum flexuosum Dozy & Molk., 1851 ( Esp. caract. )
Sphagnum obtusum Warnst., 1877 ( Esp. caract. )
Sphagnum recurvum P.Beauv., 1805 ( Esp. caract. )
Sphagnum riparium Ã…ngstr., 1864 ( Esp. caract. )
Vaccinium oxycoccos L., 1753 ( Esp. caract. )
Analyse Ecologie du milieu (En fonction des espèces présentes)
Faible
Forte
— nb espèces indicatrices par classe
Humidité
Réaction du sol (pH)
Nutriments
Lumière
Matière organique
Granulométrie
Salinité