LWF Plot Chironico - Community: Chironico / canton TI - Date of installation: 29 August 1995 - Size of the plot: 2 ha - Altitude: 1342-1387 m - Mean slope: 35% - Geology (in German): Untergrund: Penninikum; Paragneisse u. Glimmerschiefer - Oberfläche: Quartär; karbonatfreie Moräne, Hängeschutt - Provisional soil type (WSL) : Distric Cambisol - Woodland association after EK72: 47: Calamagrostio villosae-Abietetum - Main tree species: Picea abies - Management system: high forest - Silvicultural system: group selection - Top-height diameter (quadratic average diameter of the 100 thickest trees per ha): 54.1 cm - Number of trees BHD >= 12 cm (2011): 750 - Maximum tree age: Picea abies: 160-180 yr - Abies alba: 140-160 yr More Information: https://www.wsl.ch/en/forest/forest-development-and-monitoring/long-term-forest-ecosystem-research-lwf/sites/chironico.html