U6-2 - Champs de lave méditerranéens, macaronésiens et tempérés

Mediterranean, Macaronesian and temperate volcanic field

Classification des habitats EUNIS 2022

Descriptif de l'habitat

Sparsely vegetated volcanic areas of Mediterranean and Macaronesian regions, comprising mostly recently deposited volcanic scoriae (tephra), lava flows or orifices in volcanic areas emitting hot gases and vapours in Italy and the Canary Islands. Intense solar radiation, remarkable daily temperature variations, long-lasting snow-cover and mechanical disturbances caused by strong winds are usual conditions for this habitat type. Large areas are completely unvegetated or only covered by some bryophytes and lichens or a scattered and, on fragmentary soils, a discontinuous cover of a few, vascular plants.

Espèces diagnostiques

Rumex aetnensis, Anthemis aetnensis, Scleranthus perennis subsp. vulcanicus, Senecio squalidus subsp. aethnensis, Viola cheiranthifolia, Silene nocteolens, Descurainia bourgaeana, Hypochaeris robertia, Viola aetnensis, Echium auberianum, Rhaponticum centauroides, Erysimum scoparium, Argyranthemum tenerifae, Erigeron calderae, Saponaria sicula, Cerastium tomentosum

Espèces constantes

Rumex aetnensis, Anthemis aetnensis, Hypochaeris robertia, Senecio squalidus subsp. aethnensis, Scleranthus perennis subsp. vulcanicus, Viola cheiranthifolia, Erysimum scoparium, Descurainia bourgaeana, Viola aetnensis, Silene nocteolens, Argyranthemum tenerifae, Echium auberianum, Cerastium tomentosum

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)