| Country of the unit : | Italy |
| Unit number: | ITA00026 |
| National gene conservation unit number: | ITACU26 |
| Province or state: | Apulia |
| Department or county: | Foggia |
| Municipality: | Vico del Gargano |
| Local name : | Natural Biogenetic Reserve of Sfilzi |
| Latitude : | 41°51'2"N |
| Longitude : | 16°1'14"E |
| Restriction in making the geographical coordinates publically available: | 0 |
| Datum: | |
| Polygon coordinates (if available): | |
| Minimum elevation (m): | 375 |
| Maximum elevation (m): | 599 |
| Surface area of the unit (ha): | 56 |
| Ownership of the unit : | Public |
| Type and function of the unit : | 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: | 2002 |
| Year of the most recent visit: | 2005 |
| Remarks on specific soil characteristics: | compressed limestone with flint |
| Remarks on other specific characteristics of the unit: | |
| All tree species growing in the unit: | Quercus ilex; Arbutus unedo; Malus sylvestris; Quercus cerris; Carpinus betulus; Acer campestre; Ulmus minor; Tilia platyphyllos; Fagus sylvatica; Quercus petraea; Sorbus domestica |
| Target species: | Quercus cerris |
| National population unit number if existing: | |
| Year of establishment of the GCU for the species: | 1971 |
| Year of the most recent visit: | 2005 |
| Status of the target tree population regarding the EUFORGEN common action plans.: | |
| 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: | No intervention allowed |
| Main reason for carrying out gene conservation for this species: | To maintain genetic diversity in large tree populations |
| 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): | In stands |
| Estimated share of the total area within the unit in which the species is occurring (%): | 100 |
| Remarks on the population: | |