National gene conservation unit number: 20BGD049
Date of collection of the field data entered: 2010
Date of the most recent visit: 2020

Location

Unit country: Lithuania
Unit province or state: Siauliai
Unit department or county: Siauliai
Unit municipality: Taurakiai
Unit local name: Drasku forest birch state genetic reserve
Ownership of the unit: Public
Unit elevation [m a.s.l.]: 80 - 80
Unit surface area [ha]: 5.25
Coordinates (Public coordinates): Latitude (Decimal):56.1391 | Longitude (Decimal): 23.3371

Soil: Gleyic Cambisols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Boreal / Alpine.
Environmental zone:Cold and mesic.
Aridity index: 1.034

Species

All tree species reported in the unit: Betula pendula
Target species for conservation in the GCU: Betula pendula

Unit type: Gene reserve forest

Target species: Betula pendula
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 : Autochthonous
Population share (%): 95%
Estimated number of reproducing trees (interval): 501 - 5000
Status of long-term viable regeneration: -

Management
Population management: Conservation through active intervention carried out
Predominant silvicultural system: Clear-cutting with artificial regeneration