National gene conservation unit number: SK 554-2014
Date of collection of the field data entered: 2014
Date of the most recent visit: 2014

Location

Unit country: Sweden
Unit province or state: Sweden
Unit department or county: Uppsala lan
Unit municipality: Osthammar
Unit local name: Ytternutto
Ownership of the unit: Private
Unit elevation [m a.s.l.]: 5 - 10
Unit surface area [ha]: 1.8
Coordinates (Public coordinates): Latitude (Decimal):60.2686 | Longitude (Decimal): 18.2100

Soil: Eutric Cambisols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Boreal / Alpine.
Environmental zone:Cold and mesic.
Aridity index: 1.226

Species

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

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

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): 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): 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)