National gene conservation unit number: UP/058/14/26/001
Date of collection of the field data entered: 2018
Date of the most recent visit: 2021

Location

Unit country: Spain
Unit province or state: La Rioja
Unit department or county: La Rioja
Unit municipality: Alfaro
Unit local name: Yerga y Sotos del Ebro
Ownership of the unit: Public
Unit elevation [m a.s.l.]: 266
Unit surface area [ha]: 30
Coordinates (Public coordinates): Latitude (Decimal):42.1817 | Longitude (Decimal): -1.7589

Soil: Calcaric Fluvisols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Warm temperate.
Environmental zone:Warm temperate and mesic.
Aridity index: 0.378

Species

All tree species reported in the unit: Populus nigra
Target species for conservation in the GCU: Populus nigra

Unit type: Seed stand

Target species: Populus nigra
Status of the target species in the GCU: -
Category of the target species in the GCU: In situ
Origin of the target species in the GCU : Autochtonous
Population share (%): 100%
Estimated number of reproducing trees (interval): 500 - 4999
Status of long-term viable regeneration: -

Management
Population management: -
Predominant silvicultural system: -