| Country of the unit : | Norway |
| Unit number: | NOR00002 |
| National gene conservation unit number: | VV00000437 |
| Province or state: | |
| Department or county: | Aust-Agder |
| Municipality: | Grimstad |
| Local name : | Skiftenes |
| Latitude : | 58°24'43.919999999995"N |
| Longitude : | 8°29'7.000000000078"E |
| Restriction in making the geographical coordinates publically available: | 0 |
| Datum: | |
| Polygon coordinates (if available): | |
| Minimum elevation (m): | 74 |
| Maximum elevation (m): | 285 |
| Surface area of the unit (ha): | 71 |
| Ownership of the unit : | Private |
| Type and function of the unit : | Gene reserve forest; Biodiversity conservation (habitats AND/or species) |
| Monthly temperature (°C): | |
| Total annual mean precipitation (mm): | |
| Heat sum and/or length of the growing season (in days): | |
| Accumulated moisture deficit: | |
| Year of collection of the field data entered: | 2008 |
| Year of the most recent visit: | 2011 |
| Remarks on specific soil characteristics: | |
| Remarks on other specific characteristics of the unit: | The unit area was extended in 2010. |
| All tree species growing 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: | Quercus robur |
| National population unit number if existing: | |
| Year of establishment of the GCU for the species: | 2008 |
| Year of the most recent visit: | 2008 |
| Status of the target tree population regarding the EUFORGEN common action plans.: | Included |
| Category of the population: | In situ |
| Origin of the material: | Autochtonous |
| Predominant silvicultural system: | No silviculture |
| Level of management allowed to favour the target species: | Minimum intervention allowed |
| Main reason for carrying out gene conservation for this species: | To conserve specific adaptive and/or phenotypic traits in marginal or scattered tree populations which are often relatively small |
| Total number of reproducing trees per unit: | 500 - 4999 |
| Sex ratio, if appropriate: | |
| Status of long-term viable regeneration : | Continuous |
| Distribution of the reproducing trees in the unit (multiple choice): | Scattered |
| Estimated share of the total area within the unit in which the species is occurring (%): | 50 |
| Remarks on the population: | |