National gene conservation unit number: PS.3.2.1.DR
Date of collection of the field data entered: 2004
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: Drinić
Unit local name: Ravna glavica
Ownership of the unit: Public
Unit elevation [m a.s.l.]: 940 - 1000
Unit surface area [ha]: 15.6
Coordinates (Public coordinates): Latitude (Decimal):44.4911 | Longitude (Decimal): 16.4839

Soil: Rendzic Leptosols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Boreal / Alpine.
Environmental zone:Cold and mesic.
Aridity index: 1.683

Species

All tree species reported in the unit: Pinus sylvestris
Target species for conservation in the GCU: Pinus sylvestris

Unit type: Seed stand

Target species: Pinus sylvestris
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 (%): 55%
Estimated number of reproducing trees (interval): 500 - 4999
Status of long-term viable regeneration: -

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