
National gene conservation unit number: CHE00068 Date of collection of the field data entered: 2023 Date of the most recent visit: 2023 Location Unit country: Switzerland Unit province or state: GR Unit department or county: Surselva Unit municipality: Cumbel Unit local name: Gatgs Ownership of the unit: Public Unit elevation [m a.s.l.]: 725 - 949 Unit surface area [ha]: 64.2327 Coordinates (Public coordinates): Latitude (Decimal):46.7352 \| Longitude (Decimal): 9.2130 Soil: Dystric Podzoluvisols Climate Mean monthly temperature and mean monthly precipitation² Climatic zone: Cool temperate. Environmental zone:Cool temperate and moist. Aridity index: 1.325 Species All tree species reported in the unit: *Fraxinus excelsior* Target species for conservation in the GCU: *Fraxinus excelsior* Unit type: Gene reserve forest, Biodiversity conservation (habitats AND/or species) 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 (%): 100% Estimated number of reproducing trees (interval): > 5000 Status of long-term viable regeneration: - Management Population management: Minimum intervention allowed Predominant silvicultural system: Close-to-natural forestry (continuous cover forest, selective logging)

National gene conservation unit number: CHE00068
Date of collection of the field data entered: 2023
Date of the most recent visit: 2023

Location

Unit country: Switzerland
Unit province or state: GR
Unit department or county: Surselva
Unit municipality: Cumbel
Unit local name: Gatgs
Ownership of the unit: Public
Unit elevation [m a.s.l.]: 725 - 949
Unit surface area [ha]: 64.2327
Coordinates (Public coordinates): Latitude (Decimal):46.7352 | Longitude (Decimal): 9.2130

Soil: Dystric Podzoluvisols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Cool temperate.
Environmental zone:Cool temperate and moist.
Aridity index: 1.325

Species

All tree species reported in the unit: Fraxinus excelsior
Target species for conservation in the GCU: Fraxinus excelsior

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

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 (%): 100%
Estimated number of reproducing trees (interval): > 5000
Status of long-term viable regeneration: -

Management
Population management: Minimum intervention allowed
Predominant silvicultural system: Close-to-natural forestry (continuous cover forest, selective logging)