
National gene conservation unit number: CHE00114 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: See-Gaster, Toggenburg Unit municipality: Amden, Wildhaus-Alt St. Johann Unit local name: Leist Ownership of the unit: Other Unit elevation [m a.s.l.]: 1080 - 1600 Unit surface area [ha]: 60 Coordinates (Public coordinates): Latitude (Decimal):47.1639 \| Longitude (Decimal): 9.2297 Soil: Rendzic Leptosols Climate Mean monthly temperature and mean monthly precipitation² Climatic zone: Boreal / Alpine. Environmental zone:Cold and wet. Aridity index: 3.882 Species All tree species reported in the unit: *Acer pseudoplatanus* Target species for conservation in the GCU: *Acer pseudoplatanus* 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 : Autochthonous Population share (%): 50% Estimated number of reproducing trees (interval): 501 - 5000 Status of long-term viable regeneration: - Management Population management: Minimum intervention allowed Predominant silvicultural system: Close-to-nature forestry

National gene conservation unit number: CHE00114
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: See-Gaster, Toggenburg
Unit municipality: Amden, Wildhaus-Alt St. Johann
Unit local name: Leist
Ownership of the unit: Other
Unit elevation [m a.s.l.]: 1080 - 1600
Unit surface area [ha]: 60
Coordinates (Public coordinates): Latitude (Decimal):47.1639 | Longitude (Decimal): 9.2297

Soil: Rendzic Leptosols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Boreal / Alpine.
Environmental zone:Cold and wet.
Aridity index: 3.882

Species

All tree species reported in the unit: Acer pseudoplatanus
Target species for conservation in the GCU: Acer pseudoplatanus

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 : Autochthonous
Population share (%): 50%
Estimated number of reproducing trees (interval): 501 - 5000
Status of long-term viable regeneration: -

Management
Population management: Minimum intervention allowed
Predominant silvicultural system: Close-to-nature forestry