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8220 - Pentes rocheuses siliceuses avec végétation chasmophytique

Siliceous rocky slopes with chasmophytic vegetation

Liste hiérarchisée et descriptifs des habitats d'intérêt communautaire de la directive "Habitats"

Description

Vegetation of fissures of siliceous inland cliffs, which presents many regional sub-types, described under point 2.

Espèces caractéristiques

Plants: 62.21 - Alpine siliceous cliff vegetation (Pyrenees and Alps) and of Hercynian system and its periphery (Androsacion vandellii): Androsace vandellii, Saxifraga retusa ssp. retusa, S. aspera, Phyteuma scheuchzeri, Primula hirsuta, Eritrichium nanum; Communities of montane level of Pyrenees and Cevennes (Asarinion procumbentis: includes 62.26): Asarina procumbens, Dianthus graniticus, Saxifraga continentalis, S. prostii, Anarrhinum bellidifolium; Saxicolous communities of the plain to hill levels under Middle European climate (Asplenion septentrionalis) and communities of the plain level under oceanic climate (Asplenion billotii-Umbilicarion rupestre: 62.29 is included): Asplenium septentrionale, A. adiantum-nigrum, A. billotii, A. foreziense, A. onopteris. - Hercynian serpentine cliffs (Asplenion cuneifolii): Asplenium cuneifolium, A. alternifolium, A. adulterinum.
62.22 - high altitude siliceous cliff vegetation of Iberian mountains: - Central Iberian mountains (Saxifragion willkommianae): Saxifraga willkommiana, S. orogredensis, Murbeckiella boryi; - Sierra Nevada (Saxifragion nevadensis): Saxifraga nevadensis.
62.23 - South-western Alpine siliceous cliff vegetation (Saxifragion pedemontanae): Saxifraga pedemontana, #S. florulenta, Galium tendae, Sempervivum montanum ssp. burnatii, Jovibarba allionii.
62.24 - Cyrno-Sardian siliceous montane cliff vegetation (Potentillion crassinerviae): Potentilla crassinervia, Armeria leucocephala, Silene requientii, Saxifraga pedemontana ssp. cervicornis.
62.25 - Helleno-Carpatho-Balkanic siliceous cliff vegetation (Silenion lerchenfeldianae): Silene lerchenfeldiana. Silene dinarica, Senecio glaberrimus, Jovibarba heuffelii, Veronica bachofenii, Potentilla haynaldiana Saxifraga juniperifolia ssp. juniperifolia (Saxifraga pseudosancta), Saxifraga pedemontana ssp. cymosa, Rhodiola rosea (Sedum rosea), Dianthus henteri, Minuartia bulgarica, Haberlea rhodopensis, Symphyandra wanneri, Carex kitaibeliana (Carex laevis)..
62.26 - see 62.21
62.27 - Western Iberian siliceous cliff vegetation of the submontane level (Cheilanthion hispanicae): Cheilanthes hispanica, C. tinaei.
62.28 - Provenço-Iberian siliceous cliff vegetation on rock faces rich in basic silicates (basalts and peridots), of the thermo to meso-Mediterranean levels (Phagnalo saxatilis-Cheilanthion maderensis): Cheilanthes maderensis, C. marantae, C. vellaea, Asplenium balearicum.
62.29 : see 62.21.
62.2A - Boreal siliceous cliffs (rapakivi cliffs).

Correspondances avec la classification du Paléarctique

62.2

Correspondances avec d'autres classifications

German classification: ‘320102 natürlicher Silikatfels (ohne Serpentinit)', ‘320103 natürlicher Serpentinitfels'.
Nordic classification: ‘711 Klippvegetation på fattiga bergarter', ‘713 Klippvegetation på serpentinbergarter.

Remarques

This habitat type is found in close association with siliceous scree (8110) and pioneer grassland (8230).
In Ireland and the United Kingdom: sites sheltering relict arctic-alpine flora and important bryophyte and/or lichen assemblages.

Bibliographie

Conseil de l'Union européenne, 2013. Directive 2013/17/UE du Conseil du 13 mai 2013 portant adaptation de certaines directives dans le domaine de l'environnement, du fait de l'adhésion de la République de Croatie. Annexes. Partie B Protection de la nature. Journal officiel de l'Union européenne, L 158 du 10/06/2013, p. : 195-203. (Source)

Doniţă, N., Popescu, A., Paucă-Comănescu, M., Mihăilescu, S., Biriş, I.A. (2005). Habitatele din România. Edit. Tehnică Silvică, Bucureşti, 500 p. (ISBN 973-96001-4-X).

Jalas, J. (1961). Regionale Züge in der Felsenvegetation und flora Ostfennoscandiens. Arch. Soc. Vanamo, 16 Suppl.:38-49.

Kallio, P. (1954). Züge aus der flora un vegetation der rapakivifelsen im sudöstlichen teil des rapakivigebietes von Laitila in Südwestfinnland. Ann. Univ. Turkuensis A XVII:1-64.