National gene conservation unit number: Les Ramières de la Drôme
Date of collection of the field data entered: 2008
Date of the most recent visit: 2000

Location

Unit country: France
Unit province or state: AUVERGNE-RHONE-ALPES
Unit department or county: DROME
Unit municipality: ALLEX
Unit local name: R.N. des Ramières
Ownership of the unit: Public
Unit elevation [m a.s.l.]: 50 - 50
Unit surface area [ha]: 371
Coordinates (Public coordinates): Latitude (Decimal):44.7495 | Longitude (Decimal): 4.9160

Soil: Calcaric Fluvisols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Warm temperate.
Environmental zone:Warm temperate and mesic.
Aridity index: 1.015

Species

All tree species reported in the unit: Ulmus minor; Populus nigra; Salix alba; Ulmus laevis
Target species for conservation in the GCU: Populus nigra

Unit type: Biodiversity conservation (habitats AND/or species)

Target species: Populus nigra
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 (%): 70%
Estimated number of reproducing trees (interval): 500 - 4999
Status of long-term viable regeneration: Continuous

Management
Population management: Minimum intervention allowed
Predominant silvicultural system: No silviculture