Alvar steppes

English name: Alvar steppes

Description (English)

Steppic grasslands of palaeozoic limestones of the Baltic islands of Åland and Gotland and of calcareous enclaves of southern Sweden, in Vestgotland, dominated by fescues with numerous species of continental affinities, many at the northern limit of their range, in particular, Artemisia oelandica, Artemisia saxicola, Ranunculus illyricus, Globularia vulgaris. They are rich in endemic species and in orchids. Besides the steppe communities included in this unit, their environment includes pioneer rock swards included in unit E1.1 and lowland rock crack communities included in unit H3.

Source: EUNIS habitat classification

Quick facts

EUNIS habitat type code E1.25
Bern Convention Included in a Resolution 4 habitat type at a higher level (E1.2)
Relation to Annex I habitat types (EU Habitats Directive)

Vegetation types

Relation to vegetation types (syntaxa)

Not available

Species mentioned in habitat description


List

Other classifications

Classification Code Habitat type name Relationship type
Palaearctic Habitat Classification 200112 34.317 Alvar steppes source
CORINE Land Cover 3.2.1. Natural grassland n/a
HELCOM Baltic Sea Marine and Coastal Biotopes 1998 03.07.02.04 Coastal wetlands and meadows: meadows / pastures: dry meadows (incl. alvars) same
Nordic Vegetation Classification 1994 5.2.1.3c Alvar dry meadow-variant n/a
Nordic Vegetation Classification 1994 5.1.5.2a Helianthemum oelandicum variant n/a
Nordic Vegetation Classification 1994 5.1.5.2 Sheep's Fescue alvar type n/a
For relation to plant communities (syntaxa), see Vegetation types

History

Classification Code Habitat type name Relationship type
EUNIS Habitat Classification 200410 E1.25 Alvar steppes same
EUNIS Habitat Classification 200308 E1.25 Alvar steppes same
EUNIS Habitat Classification 200202 E1.25 Alvar steppes same
EUNIS Habitat Classification 199910 E1.25 Alvar steppes same
EUNIS Habitat Classification 199811 E1.25 Alvar steppes same
Palaearctic Habitat Classification 199905 34.317 Alvar steppes same
Palaearctic Habitat Classification 1997 34.317 Alvar steppes same
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