Navigation mit Access Keys

C28 Sonian Forest



A case from Brussels


General information on the Sonian Forest.

Predominant forest community9120 – Atlantic acidophilous beech forests with holly (Ilex aquifolium) and sometimes also yew (Taxus baccata) in the shrub layer (Quercion robori-petraeae or Ilici-Fagenion)
9160 – Sub-Atlantic and medio-European oak or oak-hornbeam forests of the Carpinion betuli
91E0 – Alluvial forests with Alnus glutinosa and Fraxinus excelsior (Alno-Padion, Alnion incanae, Salicion albae)
Main tree speciesFagus sylvatica (65 %), Quercus spp. (15 %), Pinus spp. (4 %), Acer spp. (4 %)
Altitude50–150 m
Soil typeMainly dry loamy Luvisols (Tertiary calcium-rich sandstone substrate, covered with a 0.5–4 m thick layer of Quaternary niveo-aeolic loess deposits of the Weichselian glaciation)
Total forest area5000 ha
Main management typesSelective thinnings with the aim of producing high-quality wood.
Clearcuts in certain stands or to create clearings
Volume400 m³/ha
Basal area28 m²/ha
Annual increment5–15 m³/ha (total 30 000–50 000 m³)
Annual harvest3–4 m³/ha (total 15 000–20 000 m³)