National gene conservation unit number: 60BGD048
Population number: -

GCU
Date of collection of the field data entered: 2010
Date of the most recent visit: 2025

POPULATION
Year of Establishment of the GCU for the species: 2010
Date (or partial of date) of the most recent visit: 2025

Location

Unit country: Lithuania
Unit province or state: Klaipeda
Unit department or county: Klaipeda
Unit municipality: Kiskenai
Unit local name: Mazeikiai forest birch state genetic reserve
Ownership of the unit: Public
Unit elevation [m a.s.l.]: 50 - 50
Unit surface area [ha]: 5.84
Coordinates ( Public coordinates): Latitude (Decimal):55.6904 | Longitude (Decimal): 21.2575

Soil: Dystric Podzoluvisols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Boreal / Alpine.
Environmental zone:Cold and mesic.
Aridity index: 1.547

Species

All tree species growing in the unit: Acer platanoides; 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 (%): 90%
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