National gene conservation unit number: PA-AA. 3.5.2.SO
Population number: -

GCU
Date of collection of the field data entered: 2004
Date of the most recent visit: 2009

POPULATION
Year of Establishment of the GCU for the species: 2004
Date (or partial of date) of the most recent visit: 2009

Location

Unit country: Bosnia and Herzegovina
Unit province or state: Republika Srpska
Unit department or county: -
Unit municipality: Sokolac
Unit local name: Velika Gradina
Ownership of the unit: Public
Unit elevation [m a.s.l.]: 900 - 1000
Unit surface area [ha]: 14.5
Coordinates ( Public coordinates): Latitude (Decimal):44.0581 | Longitude (Decimal): 18.7703

Soil: Chromic Cambisols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Boreal / Alpine.
Environmental zone:Cold and mesic.
Aridity index: 1.475

Species

All tree species growing in the unit: Picea abies; Abies alba
Target species for conservation in the GCU: Picea abies

Unit type: Seed stand

Target species: Picea abies
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 (%): 84%
Estimated number of reproducing trees (interval): > 5000
Status of long-term viable regeneration: Continuous

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