
National gene conservation unit number: CHE00083 Date of collection of the field data entered: 2023 Date of the most recent visit: 2023 Location Unit country: Switzerland Unit province or state: TI Unit department or county: Riviera Unit municipality: Osogna Unit local name: Region Valli Cresciano-Osogna Ownership of the unit: Other Unit elevation [m a.s.l.]: 614 - 2220 Unit surface area [ha]: 1414.01 Coordinates (Public coordinates): Latitude (Decimal):46.3188 \| Longitude (Decimal): 9.0276 Soil: Haplic Podzols Climate Mean monthly temperature and mean monthly precipitation² Climatic zone: Boreal / Alpine. Environmental zone:Cold and wet. Aridity index: 3.318 Species All tree species reported in the unit: *Pinus sylvestris; Larix decidua* Target species for conservation in the GCU: **Larix decidua, Pinus sylvestris Unit type: Gene reserve forest, Biodiversity conservation (habitats AND/or species) Target species: Larix decidua 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: Minimum intervention allowed Predominant silvicultural system: Close-to-natural forestry (continuous cover forest, selective logging) 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 (%): 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: CHE00083
Date of collection of the field data entered: 2023
Date of the most recent visit: 2023

Location

Unit country: Switzerland
Unit province or state: TI
Unit department or county: Riviera
Unit municipality: Osogna
Unit local name: Region Valli Cresciano-Osogna
Ownership of the unit: Other
Unit elevation [m a.s.l.]: 614 - 2220
Unit surface area [ha]: 1414.01
Coordinates (Public coordinates): Latitude (Decimal):46.3188 | Longitude (Decimal): 9.0276

Soil: Haplic Podzols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Boreal / Alpine.
Environmental zone:Cold and wet.
Aridity index: 3.318

Species

All tree species reported in the unit: Pinus sylvestris; Larix decidua
Target species for conservation in the GCU: Larix decidua, Pinus sylvestris

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

Target species: Larix decidua
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: Minimum intervention allowed
Predominant silvicultural system: Close-to-natural forestry (continuous cover forest, selective logging)

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 (%): 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)