National gene conservation unit number: CHE00041
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: 2023
Date (or partial of date) of the most recent visit: 2023

Location

Unit country: Switzerland
Unit province or state: ZH
Unit department or county: Baden,Dielsdorf
Unit municipality: Otelfingen
Unit local name: Lägern
Ownership of the unit: Public
Unit elevation [m a.s.l.]: 457 - 864
Unit surface area [ha]: 382.702
Coordinates ( Public coordinates): Latitude (Decimal):47.4787 | Longitude (Decimal): 8.3921

Soil: Rendzic Leptosols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Boreal / Alpine.
Environmental zone:Cold and mesic.
Aridity index: 1.732

Species

All tree species growing in the unit: Fagus sylvatica; Quercus pubescens
Target species for conservation in the GCU: Quercus pubescens, Fagus sylvatica

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

Target species: Quercus pubescens
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 (%): 50%
Estimated number of reproducing trees (interval): 500 - 4999
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)