| Country of the unit : | Poland |
| Unit number: | POL00483 |
| National gene conservation unit number: | MP/2/31452/05 |
| Province or state: | Woj. wielkopolskie |
| Department or county: | Powiat wągrowiecki |
| Municipality: | Gmina Skoki |
| Local name : | N. Łopuchówko 2-02-35c,36a,37b,38a,39ac |
| Latitude : | 52°39'29,66"N |
| Longitude : | 17°4'5,94"E |
| Restriction in making the geographical coordinates publically available: | 0 |
| Datum: | |
| Polygon coordinates (if available): | |
| Minimum elevation (m): | 86 |
| Maximum elevation (m): | 101 |
| Surface area of the unit (ha): | 63.36 |
| 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: | 2019 |
| Year of the most recent visit: | 2019 |
| Remarks on specific soil characteristics: | |
| Remarks on other specific characteristics of the unit: | Selected seed stand. Monitored by the Bureau for Forest Management and Geodesy in 2019 |
| All tree species growing in the unit: | Quercus petraea; Larix decidua; Quercus robur; Picea abies; Carpinus betulus; Fagus sylvatica; Pseudotsuga menziesii; Pinus sylvestris; Acer pseudoplatanus; Acer platanoides |
| Target species: | Quercus petraea |
| 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: | > 5000 |
| 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 (%): | 95 |
| Remarks on the population: | |