National gene conservation unit number: BGI_002_Risoud
Population number: -

GCU
Date of collection of the field data entered: 1998
Date of the most recent visit: 1998

POPULATION
Year of Establishment of the GCU for the species: 1998
Date (or partial of date) of the most recent visit: 1998

Location

Unit country: Switzerland
Unit province or state: Vaud
Unit department or county: Arrondissement forestier 11
Unit municipality: Le Chenit
Unit local name: Risoud
Ownership of the unit: Public
Unit elevation [m a.s.l.]: 1180 - 1360
Unit surface area [ha]: 512
Coordinates ( Public coordinates): Latitude (Decimal):46.5875 | Longitude (Decimal): 6.1582

Soil: Rendzic Leptosols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Boreal / Alpine.
Environmental zone:Cold and mesic.
Aridity index: 2.967

Species

All tree species growing in the unit: Picea abies; Abies alba
Target species for conservation in the GCU: Abies alba, Picea abies

Unit type: Gene reserve forest, Forest area managed for wood production AND/or multiple uses AND services

Target species: Abies alba
Status of the target species in the GCU: -
Category of the target species in the GCU: In situ
Origin of the target species in the GCU : Autochtonous
Population share (%): 100%
Estimated number of reproducing trees (interval): > 5000
Status of long-term viable regeneration: Continuous

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