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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)
D2.35 - Niveau 4 : Gazons à Carex chordorrhiza
Description
Transition mire communities of the Palaearctic domaine dominated by Carex chordorrhiza, forming short to medium-tall, usually inundated, swards, predominantly boreal, distributed in Fennoscandia, Lithuania, Russia, Belarus, Siberia and, very locally, in Scotland, with a disjunct area of occurrence in Central Europe, in pre-Alpine, eastern Hercynian and eastern Carpathian regions.
Taxons (Liens actifs si espèces présentes)
Carex chordorrhiza L.f., 1782 ( Esp. caract. )
Analyse Ecologie du milieu (En fonction des espèces présentes)