
National gene conservation unit number: CHE00109 Date of collection of the field data entered: 2024 Date of the most recent visit: 2024 Location Unit country: Switzerland Unit province or state: SG Unit department or county: Mittelland, St. Gallen Unit municipality: St. Gallen, Teufen (AR) Unit local name: Wattbach Ownership of the unit: Other Unit elevation [m a.s.l.]: 589 - 840 Unit surface area [ha]: 53.4303 Coordinates (Public coordinates): Latitude (Decimal):47.4038 \| Longitude (Decimal): 9.3527 Soil: Fibric Histosols Climate Mean monthly temperature and mean monthly precipitation² Climatic zone: Boreal / Alpine. Environmental zone:Cold and mesic. Aridity index: 2.140 Species All tree species reported in the unit: *Acer pseudoplatanus; Fraxinus excelsior* Target species for conservation in the GCU: **Acer pseudoplatanus, Fraxinus excelsior Unit type: Gene reserve forest, Biodiversity conservation Target species: Acer pseudoplatanus 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: Fraxinus excelsior 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: CHE00109
Date of collection of the field data entered: 2024
Date of the most recent visit: 2024

Location

Unit country: Switzerland
Unit province or state: SG
Unit department or county: Mittelland, St. Gallen
Unit municipality: St. Gallen, Teufen (AR)
Unit local name: Wattbach
Ownership of the unit: Other
Unit elevation [m a.s.l.]: 589 - 840
Unit surface area [ha]: 53.4303
Coordinates (Public coordinates): Latitude (Decimal):47.4038 | Longitude (Decimal): 9.3527

Soil: Fibric Histosols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Boreal / Alpine.
Environmental zone:Cold and mesic.
Aridity index: 2.140

Species

All tree species reported in the unit: Acer pseudoplatanus; Fraxinus excelsior
Target species for conservation in the GCU: Acer pseudoplatanus, Fraxinus excelsior

Unit type: Gene reserve forest, Biodiversity conservation

Target species: Acer pseudoplatanus
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: Fraxinus excelsior
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