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* Tilio-Acerion forests of slopes, screes and ravines


NATURA 2000 Code: *9180

Definition:

Forests of slopes and ravines in cool and humid locations, as well as forests on scree in fresh to dry-warm locations. These include i.a. Aceri-Fraxinetum ravine forests, linden-hornbeam woodlands on scree, Aceri-Tilietum mixed woodlands on scree, Tilio-Ulmetum woodlands on coarse colluvium, and the peri-alpine Seslerio-Tilietum woodlands.

Often on steep slopes with unstable substratum. Generally with a relatively open canopy and a correspondingly rich herbaceous layer.


Notes on habitat mapping:

The sub-types are to be shown separately with their habitat. These woodlands can be differentiated from oak-hornbeam forests (habitat types  9160 and  9170) by their lack of Carpinion species and by the low admixture of Carpinus betulus. However, ravine woodlands on steep slopes with dominant Carpinus can occur as secondary facies. The Tilio-Acerion forests can be differentiated from beech forests (types  9110,  9130 and  9150) by their lack of Fagion species as well as by their lack of or low admixture of Fagus sylvatica in the tree layer.


Last Change: 16/01/2012

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