Boreal and arctic siliceous scree and block field
Boreal and Arctic sparsely vegetated siliceous boulders, stones or gravel screes occurring over base-poor substrates that harbour acidophilous plant communities. They are of diverse origin, uneven distribution through the region and often subject to continuing natural disturbance through rock falls, freeze-thaw or coastal erosion and deposition. The vegetation typically consists of bryophytes and lichens with different growth forms dominating different microhabitats, e.g. small cushion-forming bryophytes and crustose and foliose lichens on the sides of boulders, and mat-forming bryophytes and fruticose lichens in the hollows between blocks. Where vascular plants find enough soil between blocks, they contribute a sparse cover.
Código Eunis 2021: U21
Especies características
Diagnósticas
Agrostis mertensii, Antennaria alpina, Astragalus alpinus, Bistorta vivipara, Botrychium boreale, Calamagrostis lapponica, Carex bigelowii, Carex lachenalii, Cassiope hypnoides, Festuca ovina, Gnaphalium supinum, Hieracium lachenalii, Juncus trifidus, Luzula spicata, Minuartia biflora, Oxyria digyna, Phyllodoce caerulea, Rhodiola rosea, Salix herbacea, Salix polaris, Sibbaldia procumbens, Solidago virgaurea, Trisetum spicatum, Veronica alpina, Viola biflora,Constantes
Agrostis mertensii, Antennaria alpina, Anthoxanthum odoratum, Astragalus alpinus, Avenella flexuosa, Bistorta vivipara, Calamagrostis lapponica, Campanula rotundifolia, Carex bigelowii, Carex lachenalii, Carex vaginata, Cassiope hypnoides, Deschampsia cespitosa, Festuca ovina, Geranium sylvaticum, Gnaphalium supinum, Hieracium lachenalii, Huperzia selago, Juncus trifidus, Juniperus communis subsp. nana, Linnaea borealis, Luzula campestris, Luzula pilosa, Luzula spicata, Minuartia biflora, Oxyria digyna, Phyllodoce caerulea, Poa alpina, Potentilla crantzii, Pyrola minor, Ranunculus acris, Rhodiola rosea, Salix glauca, Salix herbacea, Salix polaris, Saussurea alpina, Selaginella selaginoides, Sibbaldia procumbens, Solidago virgaurea, Thalictrum alpinum, Trientalis europaea, Trisetum spicatum, Vaccinium myrtillus, Vaccinium vitis-idaea, Veronica alpina, Viola biflora,Correspondencia con códigos EUNIS 2012
Tipo de relación | Código EUNIS 2012 |
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= | H2.1 |
Hábitats de la Directiva Hábitats asociados
Tipo de relación | Hábitat del Anexo I de la Directiva Hábitats |
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< | 8110. |