National gene conservation unit number: 23AGD033
Date of collection of the field data entered: 1996
Date of the most recent visit: 2019

Location

Unit country: Lithuania
Unit province or state: Taurage
Unit department or county: Jurbarkas
Unit municipality: Viesvile
Unit local name: Jurava forest oak state genetic reserve
Ownership of the unit: Public
Unit elevation [m a.s.l.]: 75 - 75
Unit surface area [ha]: 1.1
Coordinates (Public coordinates): Latitude (Decimal):55.1353 | Longitude (Decimal): 22.3228

Soil: Haplic Arenosols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Boreal / Alpine.
Environmental zone:Cold and mesic.
Aridity index: 1.268

Species

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

Unit type: Gene reserve forest

Target species: Quercus robur
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 (%): 72%
Estimated number of reproducing trees (interval): 50 - 499
Status of long-term viable regeneration: -

Management
Population management: Minimum intervention allowed
Predominant silvicultural system: Close-to-natural forestry (continuous cover forest, selective logging)