National gene conservation unit number: GR37
Population number: -

GCU
Date of collection of the field data entered: 2004
Date of the most recent visit: 2021

POPULATION
Year of Establishment of the GCU for the species: 1997
Date (or partial of date) of the most recent visit: 2016

Location

Unit country: Finland
Unit province or state: -
Unit department or county: -
Unit municipality: Kullaa
Unit local name: Talviranta
Ownership of the unit: Other
Unit elevation [m a.s.l.]: 60 - 85
Unit surface area [ha]: 263.78
Coordinates ( Public coordinates): Latitude (Decimal):61.5674 | Longitude (Decimal): 22.1647

Soil: Haplic Podzols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Boreal / Alpine.
Environmental zone:Cold and mesic.
Aridity index: 1.518

Species

All tree species growing in the unit: Betula pendula; Pinus sylvestris; Picea abies; Betula pubescens
Target species for conservation in the GCU: Pinus sylvestris

Unit type: Gene reserve forest, Forest area managed for wood production AND/or multiple uses AND services

Target species: Pinus sylvestris
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 (%): 99%
Estimated number of reproducing trees (interval): > 5000
Status of long-term viable regeneration: Requires management intervention

Management
Population management: Conservation through active intervention carried out
Predominant silvicultural system: Clear-cutting with natural regeneration (seed trees or strips)