EUNIS habitat classification 2017 > R - Grasslands and lands dominated by forbs, mosses or lichens > R1 - Dry grasslands > R15 - Continental dry rocky steppic grassland and dwarf scrub on chalk outcrops

Continental dry rocky steppic grassland and dwarf scrub on chalk outcrops

Description (English)

Usually open vegetation dominated by dwarf shrubs and perennial mat-forming continental steppe plants on free-draining base-rich soils on rocky chalk outcrops in the Don and (possibly also) Volga basins.

Source: EUNIS habitat classification

Quick facts

EUNIS habitat type code R15
Relation to Resolution 4 habitat type (used for designation of Emerald sites)

Vegetation types

Relation to vegetation types (syntaxa)

Not available

Indicator species

Diagnostic species
Constant species
Dominant species
Flowering Plants Thymus calcareus
Flowering Plants Onosma simplicissima
Flowering Plants Gypsophila altissima
Flowering Plants Astragalus albicaulis
Flowering Plants Polygala cretacea
Flowering Plants Asperula tephrocarpa
Flowering Plants Jurinea arachnoidea
Flowering Plants Linum ucranicum
Flowering Plants Polygala sibirica
Flowering Plants Artemisia salsoloides
Flowering Plants Pimpinella titanophila
Flowering Plants Matthiola fragrans
Flowering Plants Cephalaria uralensis
Flowering Plants Koeleria talievii
Flowering Plants Salvia nutans
Flowering Plants Euphorbia petrophila
Flowering Plants Viola ambigua
Flowering Plants Hedysarum grandiflorum
Flowering Plants Stipa capillata

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
Thymus calcareus Flowering Plants
Onosma simplicissima Flowering Plants
Gypsophila altissima Flowering Plants
Astragalus albicaulis Flowering Plants
Polygala cretacea Flowering Plants
Asperula tephrocarpa Flowering Plants
Jurinea arachnoidea Flowering Plants
Linum ucranicum Flowering Plants
Polygala sibirica Flowering Plants
Artemisia salsoloides Flowering Plants
Pimpinella titanophila Flowering Plants
Matthiola fragrans Flowering Plants
Cephalaria uralensis Flowering Plants
Koeleria talievii Flowering Plants
Salvia nutans Flowering Plants
Euphorbia petrophila Flowering Plants
Viola ambigua Flowering Plants
Hedysarum grandiflorum Flowering Plants
Stipa capillata Flowering Plants
Flowering Plants Thymus calcareus
Flowering Plants Festuca valesiaca
Flowering Plants Stipa capillata
Flowering Plants Teucrium polium
Flowering Plants Onosma simplicissima
Flowering Plants Medicago falcata
Flowering Plants Gypsophila altissima
Flowering Plants Jurinea arachnoidea
Flowering Plants Campanula sibirica
Flowering Plants Salvia nutans
Flowering Plants Erysimum diffusum
Flowering Plants Pimpinella tragium
Flowering Plants Bromopsis riparia
Flowering Plants Stachys recta
Flowering Plants Cephalaria uralensis
Flowering Plants Thesium ramosum
Flowering Plants Stipa pennata
Flowering Plants Astragalus albicaulis
Flowering Plants Artemisia salsoloides

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
Thymus calcareus Flowering Plants
Festuca valesiaca Flowering Plants
Stipa capillata Flowering Plants
Teucrium polium Flowering Plants
Onosma simplicissima Flowering Plants
Medicago falcata Flowering Plants
Gypsophila altissima Flowering Plants
Jurinea arachnoidea Flowering Plants
Campanula sibirica Flowering Plants
Salvia nutans Flowering Plants
Erysimum diffusum Flowering Plants
Pimpinella tragium Flowering Plants
Bromopsis riparia Flowering Plants
Stachys recta Flowering Plants
Cephalaria uralensis Flowering Plants
Thesium ramosum Flowering Plants
Stipa pennata Flowering Plants
Astragalus albicaulis Flowering Plants
Artemisia salsoloides Flowering Plants
Flowering Plants Artemisia salsoloides
Flowering Plants Thymus calcareus

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
Artemisia salsoloides Flowering Plants
Thymus calcareus Flowering Plants

History

Classification Code Habitat type name Relationship type Comment
EUNIS Habitat Classification 200410 E1.1 Inland sand and rock with open vegetation same
EUNIS Habitat Classification 200308 E1.1 Open thermophile pioneer vegetation of sandy or detritic ground same
EUNIS Habitat Classification 200202 E1.1 Open thermophile pioneer vegetation of sandy or detritic ground same
EUNIS Habitat Classification 199910 E1.1 Open thermophile pioneer vegetation of sandy or detritic ground same
EUNIS Habitat Classification 199811 E1.1 Open thermophile grasslands of sandy or detritic ground same
EUNIS Habitat Classification 199712 E1.3 Open thermophile grasslands of sandy or detritic ground same
Palaearctic Habitat Classification 199905 34.1 Middle European pioneer swards same
Palaearctic Habitat Classification 1997 34.1 Middle European pioneer swards same
Palaearctic Habitat Classification 1996 34.1   same
Palaearctic Habitat Classification 1993 34.1   same
CORINE Biotopes Classification 1991 34.1   same
CORINE Biotopes Classification 1989 34.1   same
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