
National gene conservation unit number: CHE00038 Date of collection of the field data entered: 2020 Date of the most recent visit: 2020 Location Unit country: Switzerland Unit province or state: TG Unit department or county: Frauenfeld Unit municipality: Mettendorf Unit local name: Wellenberg Ownership of the unit: Other Unit elevation [m a.s.l.]: 421 - 669 Unit surface area [ha]: 223.013 Coordinates (Public coordinates): Latitude (Decimal):47.5669 \| Longitude (Decimal): 8.9726 Soil: Eutric Cambisols Climate Mean monthly temperature and mean monthly precipitation² Climatic zone: Cool temperate. Environmental zone:Cool temperate and moist. Aridity index: 1.517 Species All tree species reported in the unit: *Taxus baccata; Pinus sylvestris; Sorbus torminalis* Target species for conservation in the GCU: **Pinus sylvestris, Sorbus torminalis, Taxus baccata Unit type: Gene reserve forest, Biodiversity conservation (habitats AND/or species) Target species: Pinus sylvestris 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 (%): 25% 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) Target species: Sorbus torminalis 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: Close-to-natural forestry (continuous cover forest, selective logging) Target species: Taxus baccata 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: Close-to-natural forestry (continuous cover forest, selective logging)**

National gene conservation unit number: CHE00038
Date of collection of the field data entered: 2020
Date of the most recent visit: 2020

Location

Unit country: Switzerland
Unit province or state: TG
Unit department or county: Frauenfeld
Unit municipality: Mettendorf
Unit local name: Wellenberg
Ownership of the unit: Other
Unit elevation [m a.s.l.]: 421 - 669
Unit surface area [ha]: 223.013
Coordinates (Public coordinates): Latitude (Decimal):47.5669 | Longitude (Decimal): 8.9726

Soil: Eutric Cambisols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Cool temperate.
Environmental zone:Cool temperate and moist.
Aridity index: 1.517

Species

All tree species reported in the unit: Taxus baccata; Pinus sylvestris; Sorbus torminalis
Target species for conservation in the GCU: Pinus sylvestris, Sorbus torminalis, Taxus baccata

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

Target species: Pinus sylvestris
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 (%): 25%
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)

Target species: Sorbus torminalis
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: Close-to-natural forestry (continuous cover forest, selective logging)

Target species: Taxus baccata
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: Close-to-natural forestry (continuous cover forest, selective logging)