National gene conservation unit number: NL.SI.3.3.41-01
Population number: -

GCU
Date of collection of the field data entered: 2019
Date of the most recent visit: 2018

POPULATION
Year of Establishment of the GCU for the species: 2019
Date (or partial of date) of the most recent visit: 2018

Location

Unit country: Netherlands
Unit province or state: Brabant
Unit department or county: -
Unit municipality: Heusden
Unit local name: Udenhout, De Rustende Jager
Ownership of the unit: Private
Unit elevation [m a.s.l.]: 15 - 15
Unit surface area [ha]: 22.6
Coordinates ( Public coordinates): Latitude (Decimal):51.6408 | Longitude (Decimal): 5.1488

Soil: Dystric Regosols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Cool temperate.
Environmental zone:Cool temperate and moist.
Aridity index: 1.240

Species

All tree species growing in the unit: Betula pendula; Frangula alnus; Pinus sylvestris; Quercus robur; Sorbus aucuparia
Target species for conservation in the GCU: Frangula alnus

Unit type: Gene reserve forest, Biodiversity conservation, Seed stand

Target species: Frangula alnus
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 (%): 10%
Estimated number of reproducing trees (interval): 51 - 500
Status of long-term viable regeneration: Continuous

Management
Population management: -
Predominant silvicultural system: No silviculture