LWF Plot Bettlachstock - Community: Bettlachstock / canton SO - Date of installation: 6 June 1995 - Size of the plot: 1.28 ha - Altitude: 1101-1196 m - Mean slope: 66% - Geology (in German): Kettenjura; Jura: Dogger, oberer Hauptrogenstein - Soil types (WSL) : Rendzic Leptosols; Calcaric Cambisols - Woodland association after EK72: 13 h: Cardamino-Fagetum tilietosum - Main tree species: Fagus sylvatica - Management system: high forest - Silvicultural system: forest reserve - Top-height diameter (quadratic average diameter of the 100 thickest trees per ha): 49.5 cm - Number of trees BHD >= 12 cm (2011): 632 - Maximum tree age: Fagus sylvatica 170-190 yr - Picea abies 200 yr - Fraxinus excelsior 170 yr - Ulmus glabra 160 yr - Abies alba 190 yr More Information: https://www.wsl.ch/en/forest/forest-development-and-monitoring/long-term-forest-ecosystem-research-lwf/sites/bettlachstock.html