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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)
D2.3D - Niveau 4 : Tourbières tremblantes à Molinia caerulea
Description
Transition mire communities of the Palaearctic domaine dominated by Molinia caerulea with Sphagnum cuspidatum, Eleocharis palustris, Rhynchospora alba, characteristic of low-lying areas in wet heaths and the periphery of fluctuating oligotrophic moor and heath pools.
Taxons (Liens actifs si espèces présentes)
Eleocharis palustris (L.) R.Br., 1810 [comb. inval.] ( Esp. caract. )
Molinia caerulea (L.) Moench, 1794 ( Esp. caract. )
Rhynchospora alba (L.) Vahl, 1805 ( Esp. caract. )
Sphagnum cuspidatum Ehrh. ex Hoffm., 1796 ( Esp. caract. )
Molinia caerulea (L.) Moench, 1794 ( Esp. caract. )
Rhynchospora alba (L.) Vahl, 1805 ( Esp. caract. )
Sphagnum cuspidatum Ehrh. ex Hoffm., 1796 ( 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