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Biotope - Typologie Européenne EUNIS
D2.3 - Niveau 3 : Tourbières de transition et tourbières tremblantes
Description
Incompletely terrestrialized wetlands occupied by peat-forming vegetation with acid groundwater or (for vegetation rafts) acid underlying pool or lake water. Characteristic species are Calla palustris, Carex chordorrhiza, Carex diandra, Carex heleonastes, Carex lasiocarpa, Carex limosa, Carex rostrata, Menyanthes trifoliata, Potentilla palustris, Rhynchospora alba, Scheuchzeria palustris. Included are rafts of Sphagnum and Eriophorum (D2.38) and quaking rafts of Molinia caerulea (D2.3D). Excluded are stands of vegetation fringing water bodies (C3.2) unless the vegetation raft is sufficiently extensive to count as a habitat in its own right.
Taxons (Liens actifs si espèces présentes)
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)
Carex rostrata Stokes, 1787 [nom. et typ. cons.] ( 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