National gene conservation unit number: CHE00070
Population number: -

GCU
Date of collection of the field data entered: 2023
Date of the most recent visit: 2023

POPULATION
Year of Establishment of the GCU for the species: 2023
Date (or partial of date) of the most recent visit: 2023

Location

Unit country: Switzerland
Unit province or state: GR
Unit department or county: Surselva,Imboden
Unit municipality: Bonaduz
Unit local name: Region Rheinschlucht
Ownership of the unit: Other
Unit elevation [m a.s.l.]: 595 - 1115
Unit surface area [ha]: 239.719
Coordinates ( Public coordinates): Latitude (Decimal):46.8048 | Longitude (Decimal): 9.3332

Soil: Humic Cambisols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Cool temperate.
Environmental zone:Cool temperate and moist.
Aridity index: 1.094

Species

All tree species growing in the unit: Pinus sylvestris
Target species for conservation in the GCU: Pinus sylvestris

Unit type: Gene reserve forest, Biodiversity conservation (habitats AND/or species)

Target species: Pinus sylvestris
Status of the target species in the GCU: Included
Category of the target species in the GCU: In situ
Origin of the target species in the GCU : Autochtonous
Population share (%): 75%
Estimated number of reproducing trees (interval): > 5000
Status of long-term viable regeneration: -

Management
Population management: Conservation through active intervention carried out
Predominant silvicultural system: Close-to-natural forestry (continuous cover forest, selective logging)