National gene conservation unit number: SK 463-2014
Date of collection of the field data entered: 2014
Date of the most recent visit: 2014

Location

Unit country: Sweden
Unit province or state: Sweden
Unit department or county: Norrbottens lan
Unit municipality: Overtornea
Unit local name: Isokero
Ownership of the unit: Public
Unit elevation [m a.s.l.]: 193 - 237
Unit surface area [ha]: 6.8
Coordinates (Public coordinates): Latitude (Decimal):66.5531 | Longitude (Decimal): 23.6336

Soil: Haplic Podzols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Boreal / Alpine.
Environmental zone:Extremely cold and mesic.
Aridity index: 1.836

Species

All tree species reported in the unit: Betula pendula
Target species for conservation in the GCU: Betula pendula

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

Target species: Betula pendula
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): 500 - 4999
Status of long-term viable regeneration: -

Management
Population management: Conservation through active intervention carried out
Predominant silvicultural system: No silviculture