European Information System on Forest Genetic Resources
Detail page for Unit number: NLD00021 and Target species: Frangula alnus
| Country of the unit : | Netherlands |
| Unit number: | NLD00021 |
| National gene conservation unit number: | NL.SI.3.3.41-01 |
| Province or state: | Brabant |
| Department or county: | |
| Municipality: | Heusden |
| Local name : | Udenhout, De Rustende Jager |
| Latitude : | 51°38'26.9"N |
| Longitude : | 005°08'55.8"E |
| Restriction in making the geographical coordinates publically available: | 0 |
| Datum: | |
| Polygon coordinates (if available): | |
| Minimum elevation (m): | 15 |
| Maximum elevation (m): | 15 |
| Surface area of the unit (ha): | 22.6 |
| Ownership of the unit : | Private |
| Type and function of the unit : | Gene reserve forest; Biodiversity conservation (habitats AND/or species); 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: | 2018 |
| Remarks on specific soil characteristics: | Sand, dunes |
| Remarks on other specific characteristics of the unit: | Natura2000, Former heathland |
| All tree species growing in the unit: | Sorbus aucuparia; Pinus sylvestris; Quercus robur; Frangula alnus; Betula pendula |
| Target species: | Frangula alnus |
| National population unit number if existing: | NL.SI.3.3.41-01 |
| Year of establishment of the GCU for the species: | 2019 |
| Year of the most recent visit: | 2018 |
| 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: | No silviculture |
| Level of management allowed to favour the target species: | |
| Main reason for carrying out gene conservation for this species: | To conserve specific adaptive and/or phenotypic traits in marginal or scattered tree populations which are often relatively small |
| Total number of reproducing trees per unit: | 50 - 499 |
| Sex ratio, if appropriate: | |
| Status of long-term viable regeneration : | Continuous |
| Distribution of the reproducing trees in the unit (multiple choice): | Scattered; In groups |
| Estimated share of the total area within the unit in which the species is occurring (%): | 10 |
| Remarks on the population: |