National gene conservation unit number: CHE00065
Population number: -

GCU
Date of collection of the field data entered: 2022
Date of the most recent visit: 2022

POPULATION
Year of Establishment of the GCU for the species: 2022
Date (or partial of date) of the most recent visit: 2022

Location

Unit country: Switzerland
Unit province or state: ZH
Unit department or county: Affoltern,Horgen
Unit municipality: Horgen
Unit local name: Sihlwald
Ownership of the unit: Public
Unit elevation [m a.s.l.]: 477 - 910
Unit surface area [ha]: 956
Coordinates ( Public coordinates): Latitude (Decimal):47.2547 | Longitude (Decimal): 8.5548

Soil: Gleyic Cambisols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Cool temperate.
Environmental zone:Cool temperate and moist.
Aridity index: 2.252

Species

All tree species growing in the unit: Fagus sylvatica
Target species for conservation in the GCU: Fagus sylvatica

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

Target species: Fagus sylvatica
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 (%): 100%
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)