National gene conservation unit number: GR7
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: Pello
Unit local name: Isomännikkö
Ownership of the unit: Public
Unit elevation [m a.s.l.]: 175 - 245
Unit surface area [ha]: 144.56
Coordinates (Public coordinates): Latitude (Decimal):66.9471 | Longitude (Decimal): 24.1341

Soil: Haplic Podzols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Boreal / Alpine.
Environmental zone:Extremely cold and mesic.
Aridity index: 1.843

Species

All tree species reported in the unit: Picea abies; Betula pubescens; 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 (%): 98%
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)