National gene conservation unit number: CHE00083
Population number: -

GCU
Date of collection of the field data entered: 2023
Date of the most recent visit: 2023

POPULATION
Year of Establishment of the GCU for the species: 2023
Date (or partial of 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 growing 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)