EUNIS habitat classification 2017 > U - Inland habitats with no or little soil and mostly with sparse vegetation > U2 - Screes > U26 - Temperate high-mountain base-rich scree and moraine

Temperate high-mountain base-rich scree and moraine

Description (English)

Calcareous and calcschist screes occurring at high altitudes and cool sites in high mountain ranges through the nemoral zone of Europe. The screes are colonized by mostly perennial basiphilous species, comprising often rich assemblages with many endemic species.

Source: EUNIS habitat classification

Quick facts

EUNIS habitat type	code U26
Relation to	Resolution 4 habitat type (used for designation of Emerald sites)

Legal status

Relation to other habitat types mentioned in legal instruments

Legal text	Annex	Name in legal text	Code in legal text	Habitat type relationship	More information
Convention on the conservation of European wildlife and natural habitats	Revised Annex I of Resolution 4 (1996) of the Bern Convention on endangered natural habitats types using the EUNIS habitat classification (year of revision 2010)	Calcareous and calcshist screes of the montane to alpine levels (Thlaspietea rotundifolii)	8120	Narrower	https://wcd.coe.int/ViewDoc....ckColorLogged=FDC864 Resolution No. 4 (1996) of the Bern Convention lists endangered natural habitats requiring specific conservation measures [and the designation of Areas of Special Conservation Interest (ASCIs) forming the Emerald network]
Convention on the conservation of European wildlife and natural habitats	Revised Annex I of Resolution 4 (1996) of the Bern Convention on endangered natural habitats types using the EUNIS habitat classification (year of revision 2010)	Temperate-montane calcareous and ultra-basic screes	H2.4	Same	https://wcd.coe.int/ViewDoc....ckColorLogged=FDC864 Resolution No. 4 (1996) of the Bern Convention lists endangered natural habitats requiring specific conservation measures [and the designation of Areas of Special Conservation Interest (ASCIs) forming the Emerald network]

Vegetation types

Relation to vegetation types (syntaxa)

Not available

Indicator species

Diagnostic species

Constant species

Dominant species

Flowering Plants Linaria alpina

Flowering Plants Galium megalospermum

Flowering Plants Cerastium latifolium

Flowering Plants Trisetum distichophyllum

Flowering Plants Saxifraga oppositifolia

Flowering Plants Moehringia ciliata

Flowering Plants Cerastium carinthiacum

Flowering Plants Doronicum grandiflorum

Flowering Plants Crepis pygmaea

Flowering Plants Viola cenisia

Diagnostic species occur concentrated in the habitat in question, but are absent or rare in other habitats. They are good positive indicators of the habitat, but they do not need to occur in every location of the habitat.

Species scientific name	English common name	Species group
Linaria alpina		Flowering Plants
Galium megalospermum		Flowering Plants
Cerastium latifolium		Flowering Plants
Trisetum distichophyllum		Flowering Plants
Saxifraga oppositifolia		Flowering Plants
Moehringia ciliata		Flowering Plants
Cerastium carinthiacum		Flowering Plants
Doronicum grandiflorum		Flowering Plants
Crepis pygmaea		Flowering Plants
Viola cenisia		Flowering Plants

Flowering Plants Linaria alpina

Flowering Plants Saxifraga oppositifolia

Flowering Plants Poa alpina

Flowering Plants Arabis alpina

Flowering Plants Silene vulgaris

Flowering Plants Rumex scutatus

Flowering Plants Saxifraga aizoides

Flowering Plants Myosotis alpestris

Flowering Plants Silene acaulis

Constant species occur frequently in the habitat, but they may include generalist species that are also frequent in other habitats.

Species scientific name	English common name	Species group
Linaria alpina		Flowering Plants
Saxifraga oppositifolia		Flowering Plants
Poa alpina		Flowering Plants
Arabis alpina		Flowering Plants
Silene vulgaris		Flowering Plants
Rumex scutatus		Flowering Plants
Saxifraga aizoides		Flowering Plants
Myosotis alpestris		Flowering Plants
Silene acaulis		Flowering Plants

Dominant species are those that often reach high cover in the habitat, thus determining the habitat physiognomy.

Species scientific name	English common name	Species group

Please note that a maximum of 20 species of each indicator category is shown.

Other classifications

Classification	Code	Habitat type name	Relationship type
EUNIS Habitat Classification 2007 (revised descriptions 2012)	H2.4	Temperate-montane calcareous and ultra-basic screes	same
European Red List of Habitats	H2.4	Temperate high-mountain base-rich scree	same

For relation to plant communities (syntaxa), see Vegetation types

History

Classification	Code	Habitat type name	Relationship type
EUNIS Habitat Classification 200410	H2.4	Temperate-montane calcareous and ultra-basic screes	same
EUNIS Habitat Classification 200308	H2.4	Temperate-montane calcareous and ultra-basic screes	same
EUNIS Habitat Classification 200202	H2.4	Temperate-montane calcareous and ultra-basic screes	same
EUNIS Habitat Classification 199910	H2.4	Temperate-montane calcareous and ultra-basic screes	same
EUNIS Habitat Classification 199811	H2.4	Temperate-montane calcareous and ultra-basic screes	same
EUNIS Habitat Classification 199712	H2.4	Temperate-montane calcareous and basic siliceous screes	same
Palaearctic Habitat Classification 199905	61.2	Alpine calcareous screes	same
Palaearctic Habitat Classification 1997	61.2	Alpine calcareous screes	same
Palaearctic Habitat Classification 1996	61.2		same
Palaearctic Habitat Classification 1993	61.2		same
CORINE Biotopes Classification 1991	61.2		same
CORINE Biotopes Classification 1989	61.2		same

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