European Information System on Forest Genetic Resources
Detail page for Unit number: PRT00006 and Target species: Populus alba
| Country of the unit : | Portugal |
| Unit number: | PRT00006 |
| National gene conservation unit number: | PRT00006 |
| Province or state: | Portugal |
| Department or county: | Algarve |
| Municipality: | Tavira |
| Local name : | Ribeira da Asseca |
| Latitude : | 37°9'13.4986"N |
| Longitude : | 7°41'35.4346"W |
| Restriction in making the geographical coordinates publically available: | 0 |
| Datum: | |
| Polygon coordinates (if available): | |
| Minimum elevation (m): | 20 |
| Maximum elevation (m): | 20 |
| Surface area of the unit (ha): | 0.5 |
| Ownership of the unit : | Private |
| Type and function of the unit : | |
| 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: | 2007 |
| Year of the most recent visit: | 2007 |
| Remarks on specific soil characteristics: | River bed, rich soil of "Gres de Silves" type |
| Remarks on other specific characteristics of the unit: | Rare species in Portugal. Very few trees edging orange orchards. Very healthy, in a excellent veegtative status. Very poor natural regeneration |
| All tree species growing in the unit: | Populus alba |
| Target species: | Populus alba |
| National population unit number if existing: | |
| Year of establishment of the GCU for the species: | 2009 |
| Year of the most recent visit: | 2009 |
| 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 rare or endangered tree species with populations consisting of a low number of remaining individuals |
| Total number of reproducing trees per unit: | 15 - 49 |
| Sex ratio, if appropriate: | |
| Status of long-term viable regeneration : | Sporadic |
| 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 (%): | 100 |
| Remarks on the population: |