National gene conservation unit number: Grésigne
Date of collection of the field data entered: 2003
Date of the most recent visit: 2000

Location

Unit country: France
Unit province or state: OCCITANIE
Unit department or county: TARN
Unit municipality: CASTELNAU-DE-MONTMIRAL
Unit local name: FD de Grésigne
Ownership of the unit: Public
Unit elevation [m a.s.l.]: 305 - 305
Unit surface area [ha]: 102.3
Coordinates (Public coordinates): Latitude (Decimal):44.0280 | Longitude (Decimal): 1.7556

Soil: Eutric Regosols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Warm temperate.
Environmental zone:Warm temperate and mesic.
Aridity index: 0.961

Species

All tree species reported in the unit: Fraxinus angustifolia; Quercus cerris; Quercus robur; Carpinus betulus; Acer campestre; Quercus petraea; Acer monspessulanum; Quercus rubra
Target species for conservation in the GCU: Quercus petraea

Unit type: Forest area managed for wood production AND/or multiple uses AND services

Target species: Quercus petraea
Status of the target species in the GCU: Pending
Category of the target species in the GCU: In situ
Origin of the target species in the GCU : Autochtonous
Population share (%): 90%
Estimated number of reproducing trees (interval): > 5000
Status of long-term viable regeneration: Continuous

Management
Population management: Conservation through active intervention carried out
Predominant silvicultural system: Shelterwood systems