National gene conservation unit number: GR27
Date of collection of the field data entered: 2008
Date of the most recent visit: 2019

Location

Unit country: Finland
Unit province or state: -
Unit department or county: -
Unit municipality: Kaavi
Unit local name: Maarianvaara
Ownership of the unit: Other
Unit elevation [m a.s.l.]: 130 - 160
Unit surface area [ha]: 91.38
Coordinates (Public coordinates): Latitude (Decimal):62.9252 | Longitude (Decimal): 28.8917

Soil: Haplic Podzols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Boreal / Alpine.
Environmental zone:Cold and mesic.
Aridity index: 1.953

Species

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

Unit type: Gene reserve forest, Managed forest area

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 : Autochthonous
Population share (%): 100%
Estimated number of reproducing trees (interval): >5001
Status of long-term viable regeneration: Required management intervention

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