National gene conservation unit number: CHE00046
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: 2021
Date (or partial of date) of the most recent visit: 2020

Location

Unit country: Switzerland
Unit province or state: AG
Unit department or county: Baden
Unit municipality: Villigen
Unit local name: Wasserschloss, Untere Aare
Ownership of the unit: Other
Unit elevation [m a.s.l.]: 333 - 340
Unit surface area [ha]: 107
Coordinates ( Public coordinates): Latitude (Decimal):47.4741 | Longitude (Decimal): 8.1896

Soil: Haplic Luvisols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Cool temperate.
Environmental zone:Cool temperate and moist.
Aridity index: 1.432

Species

All tree species growing in the unit: Populus nigra
Target species for conservation in the GCU: Populus nigra

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

Target species: Populus nigra
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: Minimum intervention allowed
Predominant silvicultural system: Close-to-natural forestry (continuous cover forest, selective logging)