National gene conservation unit number: GR40
Date of collection of the field data entered: 2001
Date of the most recent visit: 2019

Location

Unit country: Finland
Unit province or state: -
Unit department or county: -
Unit municipality: Perho
Unit local name: Lehmikivenharju
Ownership of the unit: Private
Unit elevation [m a.s.l.]: 147 - 155
Unit surface area [ha]: 146.94
Coordinates (Public coordinates): Latitude (Decimal):63.3380 | Longitude (Decimal): 24.2326

Soil: Haplic Podzols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Boreal / Alpine.
Environmental zone:Cold and mesic.
Aridity index: 1.559

Species

All tree species reported in the unit: Betula pubescens; Populus tremula; Pinus sylvestris
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 (%): 78%
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)