| Country of the unit : | Slovakia |
| Unit number: | SVK00059 |
| National gene conservation unit number: | fexG14ZH-059; apsG14ZH-059 |
| Province or state: | Banskobystricky |
| Department or county: | Ziar nad Hronom |
| Municipality: | Jastraba |
| Local name : | Okruhly laz |
| Latitude : | 48°37'56.3851"N |
| Longitude : | 18°59'12.7483"E |
| Restriction in making the geographical coordinates publically available: | 0 |
| Datum: | |
| Polygon coordinates (if available): | |
| Minimum elevation (m): | 584 |
| Maximum elevation (m): | 822 |
| Surface area of the unit (ha): | 118.64 |
| Ownership of the unit : | Public |
| Type and function of the unit : | Gene reserve forest; Seed stand; Forest area managed for wood production AND/or multiple uses AND services |
| 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: | 2006 |
| Year of the most recent visit: | 2016 |
| Remarks on specific soil characteristics: | Haplic Cambisol |
| Remarks on other specific characteristics of the unit: | |
| All tree species growing in the unit: | Fraxinus excelsior; Larix decidua; Abies alba; Tilia cordata; Picea abies; Acer platanoides; Fagus sylvatica; Acer pseudoplatanus |
| Target species: | Fraxinus excelsior |
| National population unit number if existing: | fexG14ZH-059 |
| Year of establishment of the GCU for the species: | 2006 |
| Year of the most recent visit: | 2016 |
| 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: | Close-to-natural forestry (continuous cover forest, selective logging) |
| Level of management allowed to favour the target species: | Conservation through active intervention carried out |
| 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: | Even sex ratio |
| Status of long-term viable regeneration : | Continuous |
| Distribution of the reproducing trees in the unit (multiple choice): | In groups |
| Estimated share of the total area within the unit in which the species is occurring (%): | 17 |
| Remarks on the population: | |