National gene conservation unit number: SK 511-2017
Population number: -

GCU
Date of collection of the field data entered: 2017
Date of the most recent visit: 2017

POPULATION
Year of Establishment of the GCU for the species: 2017
Date (or partial of date) of the most recent visit: 2017

Location

Unit country: Sweden
Unit province or state: Sweden
Unit department or county: Varmlands lan
Unit municipality: Arjang
Unit local name: Hagtjarn
Ownership of the unit: Private
Unit elevation [m a.s.l.]: 150 - 196
Unit surface area [ha]: 7.9
Coordinates ( Public coordinates): Latitude (Decimal):59.4752 | Longitude (Decimal): 12.1057

Soil: Lithic Leptosols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Boreal / Alpine.
Environmental zone:Cold and mesic.
Aridity index: 1.844

Species

All tree species growing in the unit: Picea abies; Betula pendula; Pinus sylvestris
Target species for conservation in the GCU: Betula pendula, Picea abies, Pinus sylvestris

Unit type: Biodiversity conservation (habitats AND/or species)

Target species: Picea abies
Status of the target species in the GCU: -
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: No intervention allowed
Predominant silvicultural system: No silviculture