National gene conservation unit number: SK 133-2016
Date of collection of the field data entered: 2016
Date of the most recent visit: 2016

Location

Unit country: Sweden
Unit province or state: Sweden
Unit department or county: Vasternorrlands lan
Unit municipality: Solleftea
Unit local name: Oster Tvartjarnen
Ownership of the unit: Private
Unit elevation [m a.s.l.]: 190 - 251
Unit surface area [ha]: 6.4
Coordinates (Public coordinates): Latitude (Decimal):63.2183 | Longitude (Decimal): 17.7167

Soil: Haplic Podzols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Boreal / Alpine.
Environmental zone:Cold and mesic.
Aridity index: 1.529

Species

All tree species reported in the unit: Populus tremula
Target species for conservation in the GCU: Populus tremula

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

Target species: Populus tremula
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): 50 - 499
Status of long-term viable regeneration: -

Management
Population management: No intervention allowed
Predominant silvicultural system: No silviculture