R4-12 - Pelouses et habitats herbacés boréo-alpins calciclines des combes à neige

Boreo-alpine calcicline snow-patch grassland and herb habitats

Classification des habitats EUNIS 2022

Descriptif de l'habitat

Herbaceous snow-patch swards of the Alpids, characteristic of calcareous soils under snow for long periods, with Arabis caerulea, Carex atrata, Ranunculus alpestris, Saxifraga androsacea and other calciphile snowfield, snowbed and snow-patch communities of boreal and arcto-alpine mountains formed by small herbs, grasses or mosses. Dwarf, underground-stemmed willows may also be present but not dominant (c.f. unit S212).

Bibliographie

 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)