
National gene conservation unit number: CHE00041 Date of collection of the field data entered: 2020 Date of the most recent visit: 2020 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 reported 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) 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: -

National gene conservation unit number: CHE00041
Date of collection of the field data entered: 2020
Date of the most recent visit: 2020

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 reported 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)

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: -