| Country of the unit : | Poland |
| Unit number: | POL00517 |
| National gene conservation unit number: | MP/2/31370/05 |
| Province or state: | Woj. warmińsko-mazurskie |
| Department or county: | Powiat szczycieński |
| Municipality: | Gmina Świętajno |
| Local name : | N. Spychowo 1-03-146d,147a,149ab |
| Latitude : | 53°34'11,74"N |
| Longitude : | 21°24'58,52"E |
| Restriction in making the geographical coordinates publically available: | 0 |
| Datum: | |
| Polygon coordinates (if available): | |
| Minimum elevation (m): | 144 |
| Maximum elevation (m): | 145 |
| Surface area of the unit (ha): | 52.33 |
| Ownership of the unit : | Public |
| Type and function of the unit : | Seed stand |
| 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: | 2013 |
| Year of the most recent visit: | 2019 |
| Remarks on specific soil characteristics: | |
| Remarks on other specific characteristics of the unit: | Selected seed stand |
| All tree species growing in the unit: | Quercus robur; Picea abies; Pinus sylvestris; Betula pendula |
| Target species: | Pinus sylvestris |
| National population unit number if existing: | |
| Year of establishment of the GCU for the species: | 2013 |
| Year of the most recent visit: | 2019 |
| 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: | |
| 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: | |
| Status of long-term viable regeneration : | |
| Distribution of the reproducing trees in the unit (multiple choice): | |
| Estimated share of the total area within the unit in which the species is occurring (%): | 80 |
| Remarks on the population: | Seed lot stored in the Kostrzyca Forest Gene Bank, number 556/ZP/01. Stand during reconstruction, in situ plantation-3,94ha |