National gene conservation unit number: RG-FR,GO,TE/JU-I250-2
Date of collection of the field data entered: 2005
Date of the most recent visit: 2005

Location

Unit country: Romania
Unit province or state: Tulcea
Unit department or county: -
Unit municipality: Cerna
Unit local name: Valea Leaganul
Ownership of the unit: Public
Unit elevation [m a.s.l.]: 220 - 340
Unit surface area [ha]: 28.6
Coordinates (Public coordinates): Latitude (Decimal):45.1973 | Longitude (Decimal): 28.2830

Soil: Calcic Kastanozems

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Cool temperate.
Environmental zone:Cool temperate and dry.
Aridity index: 0.669

Species

All tree species reported in the unit: Acer campestre; Tilia tomentosa; Fraxinus excelsior; Quercus petraea
Target species for conservation in the GCU: Fraxinus excelsior, Quercus petraea, Tilia tomentosa

Unit type: Gene reserve forest, Protective forest area (soil, water, timber line, etc.)

Target species: Fraxinus excelsior
Status of the target species in the GCU: Pending
Category of the target species in the GCU: In situ
Origin of the target species in the GCU : Autochtonous
Population share (%): 30%
Estimated number of reproducing trees (interval): 500 - 4999
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)

Target species: Quercus petraea
Status of the target species in the GCU: Pending
Category of the target species in the GCU: In situ
Origin of the target species in the GCU : Autochtonous
Population share (%): 30%
Estimated number of reproducing trees (interval): 500 - 4999
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)

Target species: Tilia tomentosa
Status of the target species in the GCU: Pending
Category of the target species in the GCU: In situ
Origin of the target species in the GCU : Autochtonous
Population share (%): 20%
Estimated number of reproducing trees (interval): 500 - 4999
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)