National gene conservation unit number: GR22
Population number: -

GCU
Date of collection of the field data entered: 2008
Date of the most recent visit: 2021

POPULATION
Year of Establishment of the GCU for the species: 1993
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: Punkaharju; Kerimäki
Unit local name: Suuri Niinisaari; Vasattari
Ownership of the unit: Public
Unit elevation [m a.s.l.]: 80 - 80
Unit surface area [ha]: 17.8
Coordinates ( Public coordinates): Latitude (Decimal):61.8211 | Longitude (Decimal): 29.3646

Soil: Haplic Podzols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Boreal / Alpine.
Environmental zone:Cold and mesic.
Aridity index: 1.679

Species

All tree species growing in the unit: Tilia cordata; Betula pendula; Pinus sylvestris; Populus tremula
Target species for conservation in the GCU: Tilia cordata

Unit type: Gene reserve forest, Biodiversity conservation (habitats AND/or species)

Target species: Tilia cordata
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 (%): 100%
Estimated number of reproducing trees (interval): 50 - 499
Status of long-term viable regeneration: Requires management intervention

Management
Population management: Conservation through active intervention carried out
Predominant silvicultural system: Close-to-natural forestry (continuous cover forest, selective logging)