European Information System on Forest Genetic Resources
Detail page for Unit number: GBR00003 and Target species: Quercus petraea
| Country of the unit : | United Kingdom |
| Unit number: | GBR00003 |
| National gene conservation unit number: | 3 |
| Province or state: | Wales |
| Department or county: | Gwynedd |
| Municipality: | Rhyd y Sarn, Blaenau Ffestiniog |
| Local name : | Coed Cymerau Isaf |
| Latitude : | 52°58'03"N |
| Longitude : | 3°56'53"W |
| Restriction in making the geographical coordinates publically available: | 0 |
| Datum: | |
| Polygon coordinates (if available): | |
| Minimum elevation (m): | 0 |
| Maximum elevation (m): | 0 |
| Surface area of the unit (ha): | 26.2 |
| Ownership of the unit : | Public |
| 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: | 2020 |
| Year of the most recent visit: | 2020 |
| Remarks on specific soil characteristics: | |
| Remarks on other specific characteristics of the unit: | The habitat is characterised by a central dome of rock outcrop with oak and birch and a field layer of bilberry with abundant bryophytes, a typical W17b sub-community. |
| All tree species growing in the unit: | Betula pendula; Corylus avellana; Quercus petraea; Sorbus aucuparia |
| Target species: | Quercus petraea |
| National population unit number if existing: | |
| Year of establishment of the GCU for the species: | 2020 |
| Year of the most recent visit: | 2020 |
| 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: | |
| 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 (%): | 70 |
| Remarks on the population: |