Boreal and arctic acidophilous alpine grassland

Description (English)

Boreal and Arctic acidophilous alpine grasslands, dominated by low graminoids and herbs, characteristic of shallow mostly base-poor soils with thick late snow-lie, occurring through the high mountains of Fennoscandia, Iceland and Scotland.

Source: EUNIS habitat classification

Quick facts

EUNIS habitat type code R42
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 Carex bigelowii
Flowering Plants Alchemilla alpina
Flowering Plants Sibbaldia procumbens
Flowering Plants Festuca vivipara
Mosses & Liverworts Oligotrichum hercynicum
Flowering Plants Thalictrum alpinum
Flowering Plants Salix herbacea
Flowering Plants Euphrasia officinalis
Flowering Plants Gnaphalium supinum
Flowering Plants Carex brunnescens
Flowering Plants Cassiope hypnoides
Mosses & Liverworts Racomitrium fasciculare
Mosses & Liverworts Kiaeria starkei
Mosses & Liverworts Polytrichastrum alpinum
Flowering Plants Saussurea alpina
Mosses & Liverworts Racomitrium heterostichum
Flowering Plants Cerastium alpinum
Mosses & Liverworts Pogonatum urnigerum

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
Carex bigelowii Flowering Plants
Alchemilla alpina Flowering Plants
Sibbaldia procumbens Flowering Plants
Festuca vivipara Flowering Plants
Oligotrichum hercynicum Mosses & Liverworts
Thalictrum alpinum Flowering Plants
Salix herbacea Flowering Plants
Euphrasia officinalis Flowering Plants
Gnaphalium supinum Flowering Plants
Carex brunnescens Flowering Plants
Cassiope hypnoides Flowering Plants
Racomitrium fasciculare Mosses & Liverworts
Kiaeria starkei Mosses & Liverworts
Polytrichastrum alpinum Mosses & Liverworts
Saussurea alpina Flowering Plants
Racomitrium heterostichum Mosses & Liverworts
Cerastium alpinum Flowering Plants
Pogonatum urnigerum Mosses & Liverworts
Flowering Plants Carex bigelowii
Flowering Plants Alchemilla alpina
Flowering Plants Anthoxanthum odoratum
Flowering Plants Salix herbacea
Flowering Plants Avenella flexuosa
Flowering Plants Sibbaldia procumbens
Flowering Plants Festuca ovina
Flowering Plants Deschampsia cespitosa
Flowering Plants Nardus stricta
Flowering Plants Festuca vivipara
Flowering Plants Agrostis capillaris
Flowering Plants Thalictrum alpinum
Flowering Plants Gnaphalium supinum
Mosses & Liverworts Polytrichastrum alpinum
Flowering Plants Galium saxatile
Flowering Plants Vaccinium myrtillus
Flowering Plants Thymus praecox
Mosses & Liverworts Racomitrium lanuginosum
Flowering Plants Saussurea alpina

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
Carex bigelowii Flowering Plants
Alchemilla alpina Flowering Plants
Anthoxanthum odoratum Flowering Plants
Salix herbacea Flowering Plants
Avenella flexuosa Flowering Plants
Sibbaldia procumbens Flowering Plants
Festuca ovina Flowering Plants
Deschampsia cespitosa Flowering Plants
Nardus stricta Flowering Plants
Festuca vivipara Flowering Plants
Agrostis capillaris Flowering Plants
Thalictrum alpinum Flowering Plants
Gnaphalium supinum Flowering Plants
Polytrichastrum alpinum Mosses & Liverworts
Galium saxatile Flowering Plants
Vaccinium myrtillus Flowering Plants
Thymus praecox Flowering Plants
Racomitrium lanuginosum Mosses & Liverworts
Saussurea alpina Flowering Plants
Flowering Plants Nardus stricta
Flowering Plants Carex bigelowii
Flowering Plants Alchemilla alpina
Mosses & Liverworts Sanionia uncinata
Mosses & Liverworts Racomitrium lanuginosum
Flowering Plants Festuca ovina

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
Nardus stricta Flowering Plants
Carex bigelowii Flowering Plants
Alchemilla alpina Flowering Plants
Sanionia uncinata Mosses & Liverworts
Racomitrium lanuginosum Mosses & Liverworts
Festuca ovina Flowering Plants

History

Classification Code Habitat type name Relationship type Comment
EUNIS Habitat Classification 200410 E4.3 Acid alpine and subalpine grassland same
EUNIS Habitat Classification 200410 E1.7 Non-Mediterranean dry acid and neutral closed grassland same
EUNIS Habitat Classification 200410 E4.32 Oroboreal acidocline grassland same
EUNIS Habitat Classification 200308 E4.3 Acid alpine and subalpine grassland same
EUNIS Habitat Classification 200308 E1.7 Non-Mediterranean dry acid and neutral closed grassland same
EUNIS Habitat Classification 200308 E4.32 Oroboreal acidocline grassland same
EUNIS Habitat Classification 200202 E4.3 Acid alpine and subalpine grassland same
EUNIS Habitat Classification 200202 E1.7 Non-Mediterranean dry acid and neutral closed grassland same
EUNIS Habitat Classification 200202 E4.32 Oroboreal acidocline grassland same
EUNIS Habitat Classification 199910 E4.3 Acid alpine and subalpine grassland same
EUNIS Habitat Classification 199910 E1.7 Non-Mediterranean dry acid and neutral closed grassland same
EUNIS Habitat Classification 199910 E4.32 Oroboreal acidocline grassland same
EUNIS Habitat Classification 199811 E4.2 Acid alpine and subalpine grassland same
EUNIS Habitat Classification 199811 E1.7 Dry, acid closed perennial grassland (Nardo-Galion) same
EUNIS Habitat Classification 199811 E4.22 Oroboreal acidocline grasslands same
EUNIS Habitat Classification 199712 E4.2 Boreal and alpine acid grassland same
EUNIS Habitat Classification 199712 E1.21 Dry, acid closed perennial grassland (Nardo-Galion) same
EUNIS Habitat Classification 199712 E4.22 Oroboreal acidocline grasslands same
Palaearctic Habitat Classification 199905 35.1 Atlantic closed acidophilous grasslands same
Palaearctic Habitat Classification 199905 36.3 Boreo-Alpic acidophilous alpine grasslands same
Palaearctic Habitat Classification 199905 36.32 Oroboreal acidocline grasslands wider
Palaearctic Habitat Classification 1997 35.1 Atlantic closed acidophilous grasslands same
Palaearctic Habitat Classification 1997 36.3 Boreo-Alpic acidophilous alpine grasslands same
Palaearctic Habitat Classification 1997 36.32 Oroboreal acidocline grasslands wider
Palaearctic Habitat Classification 1996 35.1   same
Palaearctic Habitat Classification 1996 36.3   same
Palaearctic Habitat Classification 1996 36.32   wider
Palaearctic Habitat Classification 1993 35.1   same
Palaearctic Habitat Classification 1993 36.3   same
Palaearctic Habitat Classification 1993 36.32   wider
CORINE Biotopes Classification 1991 35.1   same
CORINE Biotopes Classification 1991 36.3   same
CORINE Biotopes Classification 1991 36.32   wider
CORINE Biotopes Classification 1989 35.1   same
CORINE Biotopes Classification 1989 36.3   same
CORINE Biotopes Classification 1989 36.32   wider
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