National gene conservation unit number: 24
Date of collection of the field data entered: 1996
Date of the most recent visit: 1996

Location

Unit country: Turkey
Unit province or state: SAKARYA
Unit department or county: AKYAZI
Unit municipality: -
Unit local name: DOKURCUN
Ownership of the unit: Public
Unit elevation [m a.s.l.]: 500 - 900
Unit surface area [ha]: 126.1
Coordinates (Public coordinates): Latitude (Decimal):40.6044 | Longitude (Decimal): 30.8617

Soil: Orthic Luvisols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Cool temperate.
Environmental zone:Cool temperate and xeric.
Aridity index: 1.023

Species

All tree species reported in the unit: Fagus orientalis; Quercus petraea; Carpinus orientalis
Target species for conservation in the GCU: Quercus petraea

Unit type: Gene reserve forest

Target species: Quercus petraea
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 (%): 90%
Estimated number of reproducing trees (interval): > 5000
Status of long-term viable regeneration: -

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