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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)
D2.37 - Niveau 4 : Tourbières tremblantes à Rhynchospora alba
Description
Rhynchospora alba-rich formations of transition mires of the Palaearctic domaine, with Drosera anglica, Drosera intermedia, Drosera rotundifolia, Vaccinium oxycoccos, Carex limosa, Carex rostrata, Sphagnum recurvum and sometimes with Eleocharis quinqueflora, Eriophorum latifolium, Andromeda polifolia or Scheuchzeria palustris.
Taxons (Liens actifs si espèces présentes)
Andromeda polifolia L., 1753 ( Esp. caract. )
Carex limosa L., 1753 ( Esp. caract. )
Carex rostrata Stokes, 1787 [nom. et typ. cons.] ( Esp. caract. )
Drosera anglica Huds., 1778 ( Esp. caract. )
Drosera intermedia Hayne, 1798 ( Esp. caract. )
Drosera rotundifolia L., 1753 ( Esp. caract. )
Eleocharis quinqueflora (Hartmann) O.Schwarz, 1949 ( Esp. caract. )
Eriophorum latifolium Hoppe, 1800 ( Esp. caract. )
Rhynchospora alba (L.) Vahl, 1805 ( Esp. caract. )
Scheuchzeria palustris L., 1753 ( Esp. caract. )
Sphagnum recurvum P.Beauv., 1805 ( Esp. caract. )
Vaccinium oxycoccos L., 1753 ( Esp. caract. )
Carex limosa L., 1753 ( Esp. caract. )
Carex rostrata Stokes, 1787 [nom. et typ. cons.] ( Esp. caract. )
Drosera anglica Huds., 1778 ( Esp. caract. )
Drosera intermedia Hayne, 1798 ( Esp. caract. )
Drosera rotundifolia L., 1753 ( Esp. caract. )
Eleocharis quinqueflora (Hartmann) O.Schwarz, 1949 ( Esp. caract. )
Eriophorum latifolium Hoppe, 1800 ( Esp. caract. )
Rhynchospora alba (L.) Vahl, 1805 ( Esp. caract. )
Scheuchzeria palustris L., 1753 ( Esp. caract. )
Sphagnum recurvum P.Beauv., 1805 ( 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