National gene conservation unit number: SK 386-2013
Date of collection of the field data entered: 2013
Date of the most recent visit: 2013

Location

Unit country: Sweden
Unit province or state: Sweden
Unit department or county: Vasterbottens lan
Unit municipality: Norsjo
Unit local name: Risberg
Ownership of the unit: Private
Unit elevation [m a.s.l.]: 276 - 289
Unit surface area [ha]: 7.3
Coordinates (Public coordinates): Latitude (Decimal):64.7800 | Longitude (Decimal): 19.8556

Soil: Haplic Podzols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Boreal / Alpine.
Environmental zone:Cold and mesic.
Aridity index: 1.819

Species

All tree species reported in the unit: Picea abies
Target species for conservation in the GCU: Picea abies

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