National gene conservation unit number: SK 459-2016
Date of collection of the field data entered: 2016
Date of the most recent visit: 2016

Location

Unit country: Sweden
Unit province or state: Sweden
Unit department or county: Varmlands lan
Unit municipality: Arjang
Unit local name: Flattjarn
Ownership of the unit: Private
Unit elevation [m a.s.l.]: 159 - 175
Unit surface area [ha]: 5.7
Coordinates (Public coordinates): Latitude (Decimal):59.5771 | Longitude (Decimal): 11.8753

Soil: Lithic Leptosols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Boreal / Alpine.
Environmental zone:Cold and mesic.
Aridity index: 1.765

Species

All tree species reported in the unit: Pinus sylvestris; Picea abies; Populus tremula
Target species for conservation in the GCU: Picea abies, Pinus sylvestris, Populus tremula

Unit type: Biodiversity conservation (habitats AND/or species)

Target species: Picea abies
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): 500 - 4999
Status of long-term viable regeneration: -

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

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 (%): 30%
Estimated number of reproducing trees (interval): 500 - 4999
Status of long-term viable regeneration: -

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

Target species: Populus tremula
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 (%): 50%
Estimated number of reproducing trees (interval): 50 - 499
Status of long-term viable regeneration: -

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