National gene conservation unit number: SK 126-2016
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: Orebro lan
Unit municipality: Orebro
Unit local name: Hjalmarsberg
Ownership of the unit: Private
Unit elevation [m a.s.l.]: 24 - 25
Unit surface area [ha]: 4.4
Coordinates (Public coordinates): Latitude (Decimal):59.3191 | Longitude (Decimal): 15.5338

Soil: Dystric Cambisols

Climate

Mean monthly temperature and mean monthly precipitation2

Climatic zone: Boreal / Alpine.
Environmental zone:Cold and mesic.
Aridity index: 1.149

Species

All tree species reported in the unit: Alnus glutinosa; Populus tremula
Target species for conservation in the GCU: Alnus glutinosa, Populus tremula

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


Target species: Alnus glutinosa
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 (%): 75%
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)


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 (%): 100%
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)