National gene conservation unit number: VV00001433
Date of collection of the field data entered: 2008
Date of the most recent visit: 2008

Location

Unit country: Norway
Unit province or state: -
Unit department or county: Sør-Trøndelag
Unit municipality: Trondheim
Unit local name: Leira
Ownership of the unit: Private
Unit elevation [m a.s.l.]: 35 - 110
Unit surface area [ha]: 8.8
Coordinates (Public coordinates): Latitude (Decimal):63.3767 | Longitude (Decimal): 10.4067

Soil: Haplic Podzols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Boreal / Alpine.
Environmental zone:Cold and mesic.
Aridity index: 2.101

Species

All tree species reported in the unit: Ulmus glabra; Sorbus aucuparia; Acer platanoides; Fraxinus excelsior
Target species for conservation in the GCU: Acer platanoides

Unit type: Gene reserve forest, Biodiversity conservation (habitats AND/or species)

Target species: Acer platanoides
Status of the target species in the GCU: Included
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: Continuous

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