National gene conservation unit number: VV00000437
Date of collection of the field data entered: 2008
Date of the most recent visit: 2011

Location

Unit country: Norway
Unit province or state: -
Unit department or county: Aust-Agder
Unit municipality: Grimstad
Unit local name: Skiftenes
Ownership of the unit: Private
Unit elevation [m a.s.l.]: 74 - 285
Unit surface area [ha]: 71
Coordinates (Public coordinates): Latitude (Decimal):58.4122 | Longitude (Decimal): 8.4853

Soil: Haplic Podzols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Boreal / Alpine.
Environmental zone:Cold and wet.
Aridity index: 2.703

Species

All tree species reported in the unit: Ulmus glabra; Quercus petraea; Quercus robur; Tilia cordata; Acer platanoides; Alnus glutinosa; Pinus sylvestris; Populus tremula; Sorbus aucuparia; Taxus baccata; Corylus avellana; Juniperus communis; Picea abies; Betula pubescens; Betula pendula
Target species for conservation in the GCU: Quercus petraea, Quercus robur

Unit type: Gene reserve forest, Biodiversity conservation (habitats AND/or species)

Target species: Quercus petraea
Status of the target species in the GCU: Included
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): > 5000
Status of long-term viable regeneration: Continuous

Management
Population management: Minimum intervention allowed
Predominant silvicultural system: No silviculture

Target species: Quercus robur
Status of the target species in the GCU: Included
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): 500 - 4999
Status of long-term viable regeneration: Continuous

Management
Population management: Minimum intervention allowed
Predominant silvicultural system: No silviculture