
National gene conservation unit number: CHE00106 Date of collection of the field data entered: 2024 Date of the most recent visit: 2024 Location Unit country: Switzerland Unit province or state: BL Unit department or county: Arlesheim Unit municipality: Allschwil, Binningen, Oberwil (BL), Schönenbuch Unit local name: Allschwilerwald Ownership of the unit: Public Unit elevation [m a.s.l.]: 296 - 386 Unit surface area [ha]: 206.774 Coordinates (Public coordinates): Latitude (Decimal):47.5364 \| Longitude (Decimal): 7.5307 Soil: Haplic Luvisols Climate Mean monthly temperature and mean monthly precipitation² Climatic zone: Cool temperate. Environmental zone:Cool temperate and moist. Aridity index: 1.258 Species All tree species reported in the unit: *Quercus petraea; Quercus robur* Target species for conservation in the GCU: **Quercus robur, Quercus petraea Unit type: Gene reserve forest, Biodiversity conservation Target species: Quercus robur 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 : Unknown Population share (%): 75% Estimated number of reproducing trees (interval): >5001 Status of long-term viable regeneration: - Management Population management: Conservation through active intervention carried out Predominant silvicultural system: Close-to-nature forestry Target species: Quercus petraea 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 : Unknown Population share (%): 75% Estimated number of reproducing trees (interval): >5001 Status of long-term viable regeneration: - Management Population management: Conservation through active intervention carried out Predominant silvicultural system: Close-to-nature forestry**

National gene conservation unit number: CHE00106
Date of collection of the field data entered: 2024
Date of the most recent visit: 2024

Location

Unit country: Switzerland
Unit province or state: BL
Unit department or county: Arlesheim
Unit municipality: Allschwil, Binningen, Oberwil (BL), Schönenbuch
Unit local name: Allschwilerwald
Ownership of the unit: Public
Unit elevation [m a.s.l.]: 296 - 386
Unit surface area [ha]: 206.774
Coordinates (Public coordinates): Latitude (Decimal):47.5364 | Longitude (Decimal): 7.5307

Soil: Haplic Luvisols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Cool temperate.
Environmental zone:Cool temperate and moist.
Aridity index: 1.258

Species

All tree species reported in the unit: Quercus petraea; Quercus robur
Target species for conservation in the GCU: Quercus robur, Quercus petraea

Unit type: Gene reserve forest, Biodiversity conservation

Target species: Quercus robur
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 : Unknown
Population share (%): 75%
Estimated number of reproducing trees (interval): >5001
Status of long-term viable regeneration: -

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

Target species: Quercus petraea
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 : Unknown
Population share (%): 75%
Estimated number of reproducing trees (interval): >5001
Status of long-term viable regeneration: -

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