National gene conservation unit number: SK 353-2017
Date of collection of the field data entered: 2017
Date of the most recent visit: 2017

Location

Unit country: Sweden
Unit province or state: Sweden
Unit department or county: Uppsala lan
Unit municipality: Tierp
Unit local name: Simuddarna syd
Ownership of the unit: Private
Unit elevation [m a.s.l.]: 36 - 41
Unit surface area [ha]: 2.6
Coordinates (Public coordinates): Latitude (Decimal):60.1811 | Longitude (Decimal): 17.3910

Soil: Haplic Podzols

Climate

Mean monthly temperature and mean monthly precipitation2

Climatic zone: Boreal / Alpine.
Environmental zone:Cold and mesic.
Aridity index: 1.126

Species

All tree species reported in the unit: Corylus avellana
Target species for conservation in the GCU: Corylus avellana

Unit type: Biodiversity conservation


Target species: Corylus avellana
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 : Autochthonous
Population share (%): 50%
Estimated number of reproducing trees (interval): 51 - 500
Status of long-term viable regeneration: -

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