Country of the unit : | United Kingdom |
Unit number: | GBR00010 |
National gene conservation unit number: | 10 |
Province or state: | Scotland |
Department or county: | Highland |
Municipality: | Spinningdale, Bonar Bridge |
Local name : | Ledmore and Migdale |
Latitude : | 57°52'20"N |
Longitude : | 4°15'34"W |
Restriction in making the geographical coordinates publically available: | 0 |
Datum: | |
Polygon coordinates (if available): | |
Minimum elevation (m): | 1 |
Maximum elevation (m): | 1 |
Surface area of the unit (ha): | 78.1 |
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: | Steep, south facing slope supporting a very large area of pure, even aged, mature, oak woodland |
All tree species growing in the unit: | Quercus petraea; Acer pseudoplatanus; Pinus sylvestris; Betula pendula; Populus tremula |
Target species: | Betula pendula |
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 (%): | 90 |
Remarks on the population: | |