National gene conservation unit number: DNK00070
Population number: -

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

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

Location

Unit country: Denmark
Unit province or state: -
Unit department or county: -
Unit municipality: -
Unit local name: Ryget
Ownership of the unit: Public
Unit elevation [m a.s.l.]: 24 - 24
Unit surface area [ha]: 25.3
Coordinates ( Public coordinates): Latitude (Decimal):55.7959 | Longitude (Decimal): 12.3570

Soil: Haplic Luvisols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Boreal / Alpine.
Environmental zone:Cold and mesic.
Aridity index: 1.177

Species

All tree species growing in the unit: Prunus spinosa; Frangula alnus; Sambucus nigra; Salix cinera; Alnus glutinosa; Lonicera periclymenum; Fraxinus excelsior; Ribes uva-crispa
Target species for conservation in the GCU: Alnus glutinosa, Frangula alnus, Fraxinus excelsior

Unit type: Gene reserve forest

Target species: Fraxinus excelsior
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 (%): 80%
Estimated number of reproducing trees (interval): 50 - 499
Status of long-term viable regeneration: -

Management
Population management: -
Predominant silvicultural system: Close-to-natural forestry (continuous cover forest, selective logging)