National gene conservation unit number: DNK00087
Population number: -

GCU
Date of collection of the field data entered: 2000
Date of the most recent visit: 2015

POPULATION
Year of Establishment of the GCU for the species: 2000
Date (or partial of date) of the most recent visit: 2015

Location

Unit country: Denmark
Unit province or state: -
Unit department or county: -
Unit municipality: -
Unit local name: Gjern Bakker
Ownership of the unit: Public
Unit elevation [m a.s.l.]: 60 - 60
Unit surface area [ha]: 27.6
Coordinates ( Public coordinates): Latitude (Decimal):56.2176 | Longitude (Decimal): 9.6932

Soil: Haplic Podzols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Boreal / Alpine.
Environmental zone:Cold and mesic.
Aridity index: 1.345

Species

All tree species growing in the unit: Sorbus aucuparia; Betula pendula; Hedera helix; Betula pubescens; Quercus petraea
Target species for conservation in the GCU: Betula pendula, Betula pubescens, Quercus petraea, Sorbus aucuparia

Unit type: Gene reserve forest

Target species: Sorbus aucuparia
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