National gene conservation unit number: DNK00020
Date of collection of the field data entered: 2000
Date of the most recent visit: 2000

Location

Unit country: Denmark
Unit province or state: -
Unit department or county: -
Unit municipality: -
Unit local name: Svanemosen
Ownership of the unit: Public
Unit elevation [m a.s.l.]: 52 - 52
Unit surface area [ha]: 105.9
Coordinates (Public coordinates): Latitude (Decimal):55.4330 | Longitude (Decimal): 9.4309

Soil: Haplic Luvisols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Boreal / Alpine.
Environmental zone:Cold and mesic.
Aridity index: 1.549

Species

All tree species reported in the unit: Frangula alnus; Betula pubescens
Target species for conservation in the GCU: Betula pubescens, Frangula alnus

Unit type: Gene reserve forest

Target species: Betula pubescens
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 (%): 20%
Estimated number of reproducing trees (interval): 500 - 4999
Status of long-term viable regeneration: -

Management
Population management: -
Predominant silvicultural system: No silviculture

Target species: Frangula alnus
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 (%): 15%
Estimated number of reproducing trees (interval): 500 - 4999
Status of long-term viable regeneration: -

Management
Population management: -
Predominant silvicultural system: No silviculture