National gene conservation unit number: 225
Date of collection of the field data entered: 2007
Date of the most recent visit: 2010

Location

Unit country: Turkey
Unit province or state: ISTANBUL
Unit department or county: DEMIRKOY
Unit municipality: -
Unit local name: SIVRIKULUBELER
Ownership of the unit: Public
Unit elevation [m a.s.l.]: 280 - 470
Unit surface area [ha]: 239.1
Coordinates (Public coordinates): Latitude (Decimal):41.8136 | Longitude (Decimal): 27.9306

Soil: Chromic Luvisols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Warm temperate.
Environmental zone:Warm temperate and mesic.
Aridity index: 1.155

Species

All tree species reported in the unit: Sorbus aucuparia; Carpinus orientalis; Carpinus betulus
Target species for conservation in the GCU: Sorbus aucuparia

Unit type: Gene reserve forest

Target species: Sorbus aucuparia
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 (%): 80%
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)