National gene conservation unit number: CHE00009
Population number: -

GCU
Date of collection of the field data entered: 2020
Date of the most recent visit: 2020

POPULATION
Year of Establishment of the GCU for the species: 2020
Date (or partial of date) of the most recent visit: 2020

Location

Unit country: Switzerland
Unit province or state: GL
Unit department or county: -
Unit municipality: Naefels
Unit local name: Grappli - Rauti - Rossloecher
Ownership of the unit: Public
Unit elevation [m a.s.l.]: 864 - 1931
Unit surface area [ha]: 317.2
Coordinates ( Public coordinates): Latitude (Decimal):47.0762 | Longitude (Decimal): 9.0147

Soil: Dystric Podzoluvisols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Boreal / Alpine.
Environmental zone:Cold and wet.
Aridity index: 3.608

Species

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

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

Target species: Pinus cembra
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 (%): 25%
Estimated number of reproducing trees (interval): 500 - 4999
Status of long-term viable regeneration: -

Management
Population management: Minimum intervention allowed
Predominant silvicultural system: Close-to-natural forestry (continuous cover forest, selective logging)