Country of the unit : | Switzerland |
Unit number: | CHE00001 |
National gene conservation unit number: | BGI_001_Galm |
Province or state: | Fribourg |
Department or county: | Forstkreis 5 Seebezirk |
Municipality: | Galmiz |
Local name : | Galm |
Latitude : | 46°55'7.7879999999993"N |
Longitude : | 7°10'37.164"E |
Restriction in making the geographical coordinates publically available: | 0 |
Datum: | |
Polygon coordinates (if available): | |
Minimum elevation (m): | 520 |
Maximum elevation (m): | 590 |
Surface area of the unit (ha): | 202 |
Ownership of the unit : | Public |
Type and function of the unit : | Gene reserve forest; Forest area managed for wood production AND/or multiple uses AND services |
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: | 1993 |
Year of the most recent visit: | 1993 |
Remarks on specific soil characteristics: | geology: Moräne (Würm); soil: Braunerde; phytosociology: ? |
Remarks on other specific characteristics of the unit: | strict nature reserve zone (research zone), core zone, buffer zone; 99 years gene reserve contract until 2092 |
All tree species growing in the unit: | Quercus robur; Quercus petraea |
Target species: | Quercus petraea |
National population unit number if existing: | BGI_001_Galm_TEi |
Year of establishment of the GCU for the species: | 1993 |
Year of the most recent visit: | 1993 |
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: | Close-to-natural forestry (continuous cover forest, selective logging) |
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 : | Continuous |
Distribution of the reproducing trees in the unit (multiple choice): | In stands |
Estimated share of the total area within the unit in which the species is occurring (%): | 50 |
Remarks on the population: | In the past regeneration mostly naturally or plantings of loacal material, but around 10% provenance unknown |