⌘K
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)
D2.3E - Niveau 4 : Tourbières tremblantes à Calamagrostis stricta
Description
Basicline transition mire communities of the Palaearctic domaine, dominated by, or rich in, Calamagrostis stricta (Calamagrostis neglecta), often associated with Carex diandra, recorded, in particular, from northern Fennoscandia, northern, eastern and pre-Alpine Germany, Poland, Hungary. In middle Europe, Calamagrostis stricta is a very rare, decreasing, threatened glacial relict.
Taxons (Liens actifs si espèces présentes)
Calamagrostis neglecta (Ehrh.) G.Gaertn., B.Mey. & Scherb., 1799 ( Esp. caract. )
Calamagrostis stricta (Timm) Koeler, 1802 ( Esp. caract. )
Carex diandra Schrank, 1781 ( Esp. caract. )
Calamagrostis stricta (Timm) Koeler, 1802 ( Esp. caract. )
Carex diandra Schrank, 1781 ( 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