National gene conservation unit number: NL.SI.3.5.27-01
Population number: -

GCU
Date of collection of the field data entered: 2021
Date of the most recent visit: 2018

POPULATION
Year of Establishment of the GCU for the species: 2021
Date (or partial of date) of the most recent visit: 2025

Location

Unit country: Netherlands
Unit province or state: Limburg
Unit department or county: -
Unit municipality: Venlo
Unit local name: Boekend, Everlosche beek
Ownership of the unit: Public
Unit elevation [m a.s.l.]: 25 - 25
Unit surface area [ha]: 7.1
Coordinates ( Public coordinates): Latitude (Decimal):51.3844 | Longitude (Decimal): 6.1098

Soil: Dystric Regosols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Cool temperate.
Environmental zone:Cool temperate and moist.
Aridity index: 1.126

Species

All tree species growing in the unit: Alnus glutinosa; Quercus robur; Salix alba; Salix cinerea; Sambucus nigra
Target species for conservation in the GCU: Salix cinerea

Unit type: Seed stand

Target species: Salix cinerea
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 : Autochthonous
Population share (%): 90%
Estimated number of reproducing trees (interval): 15 - 50
Status of long-term viable regeneration: Sporadic

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