The Swiss Federal Institute for Forest Snow and Landscape Research WSL

C4 Kottenforst

The Regional Forest District Office Rhein-Sieg-Erft: forestry, nature conservation and recreation in urban areas

Key figures: Regional Forest District Office Rhein-Sieg-Erft (state forest).

Forest community Mixed oak – beech forest in both lowlands and low mountain ranges
Total forest area Forested area 211 km²/non-wooded areas 20 km²
Main management types 94 % high forest; 1 % coppice with standards, 5 % without management
Total volume 206 m³ under bark/ha (4 339 459 m³ under bark)
Annual growth 7.6 m³ under bark/ha (159 692 m³ under bark)
Annual use 4 m³ under bark/ha (85 000 m³ under bark) according to the latest forest management plan
Altitude 100 to 400 a.s.l.
Ownership State of North Rhine-Westphalia
Geology Right bank of the Rhine: Rhenish Slate Mountains
Left bank of the Rhine: Lower, Mid and High Rhine Terraces
Protected area (total) 144 km²
Nature protection area (Natura 2000) 106 km²
Protective function Protection forests: against noise and emissions