National gene conservation unit number: CHE00088
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: 2026
Date (or partial of date) of the most recent visit: 2023

Location

Unit country: Switzerland
Unit province or state: VS
Unit department or county: Martigny,Saint-Maurice
Unit municipality: Martigny-Combe
Unit local name: Arpille
Ownership of the unit: Other
Unit elevation [m a.s.l.]: 454 - 2083
Unit surface area [ha]: 1227.13
Coordinates ( Public coordinates): Latitude (Decimal):46.0966 | Longitude (Decimal): 7.0152

Soil: Haplic Podzols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Boreal / Alpine.
Environmental zone:Cold and mesic.
Aridity index: 2.145

Species

All tree species growing in the unit: Larix decidua; Picea abies
Target species for conservation in the GCU: Picea abies, Larix decidua

Unit type: Gene reserve forest, Biodiversity conservation

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 : Unknown
Population share (%): 75%
Estimated number of reproducing trees (interval): >5001
Status of long-term viable regeneration: -

Management
Population management: Conservation through active intervention carried out
Predominant silvicultural system: Close-to-nature forestry