National gene conservation unit number: 16JGD016
Date of collection of the field data entered: 1992
Date of the most recent visit: 2023

Location

Unit country: Lithuania
Unit province or state: Siauliai
Unit department or county: Radviliskis
Unit municipality: Baisogala
Unit local name: Liaudiskiai forest black alder state genetic reserve
Ownership of the unit: Public
Unit elevation [m a.s.l.]: 130 - 130
Unit surface area [ha]: 19.06
Coordinates (Public coordinates): Latitude (Decimal):55.6889 | Longitude (Decimal): 23.6511

Soil: Gleyic Luvisols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Boreal / Alpine.
Environmental zone:Cold and mesic.
Aridity index: 1.039

Species

All tree species reported in the unit: Alnus glutinosa; Betula pendula; Picea abies; Pinus sylvestris
Target species for conservation in the GCU: Alnus glutinosa

Unit type: Gene reserve forest

Target species: Alnus glutinosa
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 (%): 64%
Estimated number of reproducing trees (interval): 501 - 5000
Status of long-term viable regeneration: -

Management
Population management: Minimum intervention allowed
Predominant silvicultural system: Close-to-nature forestry