National gene conservation unit number: GR47
Population number: -

GCU
Date of collection of the field data entered: 2013
Date of the most recent visit: 2022

POPULATION
Year of Establishment of the GCU for the species: 2013
Date (or partial of date) of the most recent visit: 2013

Location

Unit country: Finland
Unit province or state: -
Unit department or county: -
Unit municipality: Hämeenlinna
Unit local name: Hätilä
Ownership of the unit: Public
Unit elevation [m a.s.l.]: 110 - 160
Unit surface area [ha]: 102.86
Coordinates ( Public coordinates): Latitude (Decimal):61.0287 | Longitude (Decimal): 24.5665

Soil: Haplic Podzols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Boreal / Alpine.
Environmental zone:Cold and mesic.
Aridity index: 1.458

Species

All tree species growing in the unit: Betula pendula; Betula pubescens
Target species for conservation in the GCU: Betula pendula, Betula pubescens

Unit type: Gene reserve forest, Managed forest area

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: Required management intervention

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