The Swiss Federal Institute for Forest Snow and Landscape Research WSL

C22 Langau

Close-to-nature management, reflections based on 20 years of experience

General information on the Langau forest.

Total forest area 8431 ha
Organisational structure four forest districts managed by four foresters; one head forest manager
Main management types No clearcutting since 1994; selective felling at varying intensities
Total standing volume 2 600 000 m³
Annual growth 5 m³/ha
Annual cut 42 000 m³
Deadwood (standing and lying) 50 m³/ha (estimated)
Altitude 1050 m a.s.l.
Ownership Rothschild’sche Forstverwaltung Langau (owners of the trust were the members of the Rothschild family); since 2018/2019 the forest is owned by Prinzhorn Holding
Climate Typical climate of the alpine foothills with high precipitation; seasonal extremes in late winter falling mainly as snow; often rainy periods in June/July; low annual average temperature (~5.7 °C)
Soil Shallow dolomite rendzina soils; limestone brown loam; gravel in floodplain areas
Geology Northeastern limestone Alps: limestone, dolomite with occasional occurrence of sandstone
Protected areas 1159 ha of wilderness area (‘Wildnisgebiet Dürrenstein’); 216 ha of strict forest reserves (‘Hinterer Oiswald’) 11 ha of old-growth islands/patches
Natural forest community Submontane and montane Norway spruce–fir–beech forests (Picea abies–Abies alba–Fagus sylvatica) with sycamore (Acer pseudoplatanus), ash (Fraxinus excelsior), mountain elm (Ulmus glabra); subalpine Norway spruce forest, beech forests, floodplain forests, ravine forests with sycamore and mountain elm