
National gene conservation unit number: CHE00082 Date of collection of the field data entered: 2023 Date of the most recent visit: 2023 Location Unit country: Switzerland Unit province or state: TG Unit department or county: Kreuzlingen,Arbon Unit municipality: Lengwil Unit local name: Region Seerücken Ost Ownership of the unit: Other Unit elevation [m a.s.l.]: 427 - 558 Unit surface area [ha]: 303.857 Coordinates (Public coordinates): Latitude (Decimal):47.6301 \| Longitude (Decimal): 9.2022 Soil: Haplic Luvisols Climate Mean monthly temperature and mean monthly precipitation² Climatic zone: Cool temperate. Environmental zone:Cool temperate and moist. Aridity index: 1.463 Species All tree species reported in the unit: *Quercus robur* Target species for conservation in the GCU: *Quercus robur* Unit type: Gene reserve forest, Biodiversity conservation (habitats AND/or species) 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 : Autochtonous Population share (%): 75% 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: Close-to-natural forestry (continuous cover forest, selective logging)

National gene conservation unit number: CHE00082
Date of collection of the field data entered: 2023
Date of the most recent visit: 2023

Location

Unit country: Switzerland
Unit province or state: TG
Unit department or county: Kreuzlingen,Arbon
Unit municipality: Lengwil
Unit local name: Region Seerücken Ost
Ownership of the unit: Other
Unit elevation [m a.s.l.]: 427 - 558
Unit surface area [ha]: 303.857
Coordinates (Public coordinates): Latitude (Decimal):47.6301 | Longitude (Decimal): 9.2022

Soil: Haplic Luvisols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Cool temperate.
Environmental zone:Cool temperate and moist.
Aridity index: 1.463

Species

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

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

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 : Autochtonous
Population share (%): 75%
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: Close-to-natural forestry (continuous cover forest, selective logging)