
National gene conservation unit number: CHE00013 Date of collection of the field data entered: 2020 Date of the most recent visit: 2020 Location Unit country: Switzerland Unit province or state: GR Unit department or county: Moesa Unit municipality: Leggia Unit local name: Val Cama - Val Leggia - Val Grono Ownership of the unit: Public Unit elevation [m a.s.l.]: 403 - 2276 Unit surface area [ha]: 1199.8 Coordinates (Public coordinates): Latitude (Decimal):46.2523 \| Longitude (Decimal): 9.2042 Soil: Lithic Leptosols Climate Mean monthly temperature and mean monthly precipitation² Climatic zone: Boreal / Alpine. Environmental zone:Cold and wet. Aridity index: 2.704 Species All tree species reported in the unit: *Sorbus aucuparia; Larix decidua; Sorbus aria; Betula pendula; Pinus uncinata; Populus tremula; Fagus sylvatica; Picea abies; Pinus sylvestris; Abies alba* Target species for conservation in the GCU: **Abies alba, Fagus sylvatica, Picea abies Unit type: Gene reserve forest, Biodiversity conservation (habitats AND/or species) Target species: Abies alba 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: Fagus sylvatica 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: Picea abies 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: CHE00013
Date of collection of the field data entered: 2020
Date of the most recent visit: 2020

Location

Unit country: Switzerland
Unit province or state: GR
Unit department or county: Moesa
Unit municipality: Leggia
Unit local name: Val Cama - Val Leggia - Val Grono
Ownership of the unit: Public
Unit elevation [m a.s.l.]: 403 - 2276
Unit surface area [ha]: 1199.8
Coordinates (Public coordinates): Latitude (Decimal):46.2523 | Longitude (Decimal): 9.2042

Soil: Lithic Leptosols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Boreal / Alpine.
Environmental zone:Cold and wet.
Aridity index: 2.704

Species

All tree species reported in the unit: Sorbus aucuparia; Larix decidua; Sorbus aria; Betula pendula; Pinus uncinata; Populus tremula; Fagus sylvatica; Picea abies; Pinus sylvestris; Abies alba
Target species for conservation in the GCU: Abies alba, Fagus sylvatica, Picea abies

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

Target species: Abies alba
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: Fagus sylvatica
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: Picea abies
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)