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Weathered rock and outcrop habitats

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English name Weathered rock and outcrop habitats Open code browser    Diagram icon

EUNIS habitat type code   H3.6 Level   3
Edition   EUNIS Habitat Classification 2012 - a revision of the habitat classification descriptions.

Description ( English )

Rocks and outcrops colonized by pioneer communities, especially of [Crassulaceae]. The substrates are mostly siliceous, occurring in the alpine or montane levels of higher mountains of the nemoral zone. The communities are dominated by succulent [Sempervivum arachnoideum ssp. arachnoideum], [Sempervivum arachnoideum ssp. tomentosum], [Sempervivum montanum ssp. montanum], [Sempervivum montanum ssp. stiriacum], [Sempervivum wulfenii], [Jovibarba arenaria], [Sedum montanum], [Sedum anglicum ssp. pyrenaicum], [Sedum sexangulare], [Sedum album], [Sedum annuum], [Saxifraga aspera], accompanied by [Silene rupestris], [Scleranthus polycarpos], [Veronica fruticans], [Thymus praecox ssp. polytrichus], [Viola tricolor ssp. saxatilis], by small crucifers, lichens and mosses.

Source

Hill, M.O., Moss, D. & Davies, C.E. [edited ETC/BD] (2001)

External links


Relationships with other classifications

Classification Code Title Relation type
EUNIS Habitat Classification 200410 H3.6 Weathered rock and outcrop habitats same
EUNIS Habitat Classification 200308 H3.6 Weathered rock and outcrop habitats same
EUNIS Habitat Classification 200202 H3.6 Weathered rock and outcrop habitats same
EUNIS Habitat Classification 199910 H3.6 Weathered rock and outcrop habitats same
EUNIS Habitat Classification 199811 H3.6 Weathered rock and outcrop habitats same
EUNIS Habitat Classification 199712 H3.6 Alpine weathered rock and outcrop communities same
Palaearctic Habitat Classification 200112 36.2 Alpine weathered rock and outcrop communities overlap
Palaearctic Habitat Classification 199905 36.2 Alpine weathered rock and outcrop communities same
Palaearctic Habitat Classification 1997 36.2 Alpine weathered rock and outcrop communities same
Palaearctic Habitat Classification 1996 36.2   same
Palaearctic Habitat Classification 1993 36.2   same
CORINE Biotopes Classification 1991 36.2   same
CORINE Biotopes Classification 1989 36.2   same
CORINE Land Cover 3.3.2. Bare rock n/a
CORINE Land Cover 3.3.3. Sparsely vegetated areas n/a
Phase 1 habitat classification (UK) 1993 I14 Natural rock exposure: other exposure wider
Phase 1 habitat classification (UK) 1993 I141 Natural rock exposure: other exposure, acid/neutral overlap
Phase 1 habitat classification (UK) 1993 I142 Natural rock exposure: other exposure, basic overlap
  H Inland unvegetated or sparsely vegetated habitats Go to key navigator, starting with this habitat    Ancestor
  H3 Inland cliffs, rock pavements and outcrops Go to key navigator, starting with this habitat    Parent
EUNIS

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