National gene conservation unit number: 50
Date of collection of the field data entered: 2000
Date of the most recent visit: 2001

Location

Unit country: Turkey
Unit province or state: TRABZON
Unit department or county: TRABZON
Unit municipality: -
Unit local name: TONYA
Ownership of the unit: Public
Unit elevation [m a.s.l.]: 1500 - 1850
Unit surface area [ha]: 112.8
Coordinates (Public coordinates): Latitude (Decimal):40.7403 | Longitude (Decimal): 39.2111

Soil: Orthic Acrisols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Cool temperate.
Environmental zone:Cool temperate and dry.
Aridity index: 1.670

Species

All tree species reported in the unit: Picea orientalis
Target species for conservation in the GCU: Picea orientalis

Unit type: Gene reserve forest

Target species: Picea orientalis
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)