EUNIS habitat classification 2012 amended 2019 > G - Woodland, forest and other wooded land > G1 - Broadleaved deciduous woodland > G1.A - Meso- and eutrophic Quercus, Carpinus, Fraxinus, Acer, Tilia, Ulmus and related woodland > G1.A4 - Ravine and slope woodland

Ravine and slope woodland

English name: Ravine and slope woodland

Description (English)

Cool, moist forests with a multispecific tree layer (especially maples Acer spp., lime Tilia spp., ash Fraxinus spp. ) of variable dominance, most often on more or less abrupt slopes. They are of considerable biohistorical and biogeographical importance, as examples of the mixed forests of the Atlantic period, preserved in stations inaccessible to beech domination. Vegetation of alliance Tilio-Acerion.

Source:
EUNIS habitat classification
Interpretation Manual of the habitats targeted by Resolution No. 4

Quick facts

EUNIS habitat type	code G1.A4
Bern Convention	Resolution 4 habitat type (used for designation of Emerald sites)
Relation to	Annex I habitat types (EU Habitats Directive)

Legal status

Mentioned in the following international legal instruments and agreements

Legal text	Annex	More information
Convention on the conservation of European wildlife and natural habitats (Bern Convention)	Revised Annex I of Resolution 4 (1996) of the Bern Convention on endangered natural habitats types using the EUNIS habitat classification (year of revision 2014)	https://wcd.coe.int/ViewDoc....ckColorLogged=FDC864 Resolution No. 4 (1996) of the Bern Convention lists endangered natural habitats requiring specific conservation measures [and the designation of Areas of Special Conservation Interest (ASCIs) forming the Emerald network]

Relation to other habitat types mentioned in legal instruments

Legal text	Annex	Name in legal text	Code in legal text	Habitat type relationship	More information
Council Directive 92/43/EEC of 21 May 1992 on the conservation of natural habitats and of wild fauna and flora - consolidated version 01/01/2007	Annex I: natural habitat types of community interest whose conservation requires the designation of special areas of conservation	Tilio-Acerion forests of slopes, screes and ravines	9180	Overlap	http://ec.europa.eu/environm...rective/index_en.htm

Vegetation types

Relation to vegetation types (syntaxa)

Not available

Species mentioned in habitat description

Not available

Other classifications

Classification	Code	Habitat type name	Relationship type
Palaearctic Habitat Classification 200112	41.4	Mixed ravine and slope forests	source
CORINE Land Cover	3.1.1.	Broad-leaved forest	n/a
BEAR Forest Types for Biodiversity Assessment	?	Not found in FTBA classification	not defined
Milieux Naturels de Suisse 1998	6.3.1	Erablaie de ravin méso-hygrophile	narrower
Milieux Naturels de Suisse 1998	6.3.2	Tiliaie thermophile sur éboulis ou lapiez	narrower

For relation to plant communities (syntaxa), see Vegetation types

History

Classification	Code	Habitat type name	Relationship type
EUNIS Habitat Classification 200410	G1.A4	Ravine and slope woodland	same
EUNIS Habitat Classification 200308	G1.A4	Ravine and slope woodland	same
EUNIS Habitat Classification 200202	G1.A4	Ravine and slope woodland	same
EUNIS Habitat Classification 199910	G1.A4	Ravine and slope woodland	same
EUNIS Habitat Classification 199811	G1.B3	Calcareous and neutral mixed woodland, in ravines and on slopes	same
EUNIS Habitat Classification 199712	G1.H1	Calcareous and neutral mixed woodland, in ravines and on slopes	same
Palaearctic Habitat Classification 199905	41.4	Mixed ravine and slope forests	same
Palaearctic Habitat Classification 1997	41.4	Mixed ravine and slope forests	same
Palaearctic Habitat Classification 1996	41.4		same
Palaearctic Habitat Classification 1993	41.4		same
CORINE Biotopes Classification 1991	41.4		same
CORINE Biotopes Classification 1989	41.4		same

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