National gene conservation unit number: 40DGD017
Date of collection of the field data entered: 2003
Date of the most recent visit: 2021

Location

Unit country: Lithuania
Unit province or state: Siauliai
Unit department or county: Pakruojis
Unit municipality: Zeimelis
Unit local name: Glebavas forest aspen state genetic reserve
Ownership of the unit: Public
Unit elevation [m a.s.l.]: 55 - 55
Unit surface area [ha]: 12.9
Coordinates (Public coordinates): Latitude (Decimal):56.2664 | Longitude (Decimal): 24.0619

Soil: Gleyic Cambisols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Boreal / Alpine.
Environmental zone:Cold and mesic.
Aridity index: 0.994

Species

All tree species reported in the unit: Fraxinus excelsior; Populus tremula; Betula pendula
Target species for conservation in the GCU: Populus tremula

Unit type: Gene reserve forest

Target species: Populus tremula
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 (%): 56%
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)