National gene conservation unit number: CHE00107
Population number: -

GCU
Date of collection of the field data entered: 2024
Date of the most recent visit: 2024

POPULATION
Year of Establishment of the GCU for the species: 2023
Date (or partial of date) of the most recent visit: 2024

Location

Unit country: Switzerland
Unit province or state: BL
Unit department or county: Delémont, Laufen, Thierstein
Unit municipality: Bärschwil, Liesberg, Soyhières
Unit local name: Meistelberg Bolberg Löffelberg Baanholz
Ownership of the unit: Other
Unit elevation [m a.s.l.]: 375 - 678
Unit surface area [ha]: 131.4
Coordinates ( Public coordinates): Latitude (Decimal):47.3969 | Longitude (Decimal): 7.4358

Soil: Humic Cambisols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Cool temperate.
Environmental zone:Cool temperate and moist.
Aridity index: 1.549

Species

All tree species growing in the unit: Quercus pubescens
Target species for conservation in the GCU: Quercus pubescens

Unit type: Gene reserve forest, Biodiversity conservation

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 : Autochthonous
Population share (%): 25%
Estimated number of reproducing trees (interval): 501 - 5000
Status of long-term viable regeneration: -

Management
Population management: Conservation through active intervention carried out
Predominant silvicultural system: Close-to-nature forestry