R1-Q - Pelouses siliceuses des congères de sables et des dunes continentales

Inland sanddrift and dune with siliceous grassland

Classification des habitats EUNIS 2022

Descriptif de l'habitat

Usually sparse grasslands on sand drifts among inland dunes and other open landscapes, mainly in the northern Central European lowlands, where the nutrient-poor and highly acidic surface is prone to wind erosion and hot droughty summers, forming a highly distinctive shifting-dune landscape. Soil development is very slow, pioneer bryophyte vegetation succeeded by an open cover of small tussock grasses, often with rich contingents of lichens on the compacted surface. Military training zones and abandoned lignite areas provide a new environment for the development of these grasslands.

Espèces diagnostiques

Corynephorus canescens, Spergula morisonii, Polytrichum piliferum, Teesdalia nudicaulis, Cetraria aculeata, Rumex acetosella, Agrostis vinealis, Cladonia cervicornis, Filago minima, Cladonia glauca, Veronica dillenii, Jasione montana, Ceratodon purpureus, Cladonia zopfii, Cladonia subulata

Espèces constantes

Corynephorus canescens, Rumex acetosella, Polytrichum piliferum, Spergula morisonii, Teesdalia nudicaulis, Cetraria aculeata, Agrostis capillaris, Jasione montana, Ceratodon purpureus, Pilosella officinarum, Hypochaeris radicata, Filago minima, Festuca ovina, Cladonia pyxidata aggr., Carex arenaria, Agrostis vinealis, Pinus sylvestris, Cladonia uncialis, Cladonia furcata, Scleranthus perennis

Espèces dominantes

Corynephorus canescens, Polytrichum piliferum

Bibliography

 European Topic Centre on Biological Diversity, 2021. EUNIS terrestrial habitat classification 2021 including crosswalks. ETC/BD-EEA. Table Excel transmise par S. Hennekens (Alterra) le 14/02/2022. (Source)