National gene conservation unit number: GR23
Date of collection of the field data entered: 2008
Date of the most recent visit: 2021

Location

Unit country: Finland
Unit province or state: -
Unit department or county: -
Unit municipality: Punkaharju
Unit local name: Haarikonmäki
Ownership of the unit: Public
Unit elevation [m a.s.l.]: 105 - 160
Unit surface area [ha]: 5.65
Coordinates (Public coordinates): Latitude (Decimal):61.5679 | Longitude (Decimal): 29.1909

Soil: Haplic Podzols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Boreal / Alpine.
Environmental zone:Cold and mesic.
Aridity index: 1.582

Species

All tree species reported in the unit: Tilia cordata; Betula pendula; Picea abies; Acer platanoides; Pinus sylvestris
Target species for conservation in the GCU: Acer platanoides

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

Target species: Acer platanoides
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): 15 - 49
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)