National gene conservation unit number: SK 84-2018
Date of collection of the field data entered: 2018
Date of the most recent visit: 2018

Location

Unit country: Sweden
Unit province or state: Sweden
Unit department or county: Vastra Gotalands lan
Unit municipality: Tanum
Unit local name: Nedre Sandback
Ownership of the unit: Private
Unit elevation [m a.s.l.]: 8 - 22
Unit surface area [ha]: 3.9
Coordinates (Public coordinates): Latitude (Decimal):58.5113 | Longitude (Decimal): 11.3134

Soil: Lithic Leptosols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Boreal / Alpine.
Environmental zone:Cold and mesic.
Aridity index: 1.951

Species

All tree species reported in the unit: Quercus robur; Fraxinus excelsior; Tilia cordata
Target species for conservation in the GCU: Fraxinus excelsior, Quercus robur, Tilia cordata

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

Target species: Fraxinus excelsior
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: No intervention allowed
Predominant silvicultural system: No silviculture

Target species: Quercus robur
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: No intervention allowed
Predominant silvicultural system: No silviculture

Target species: Tilia cordata
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: No intervention allowed
Predominant silvicultural system: No silviculture