National gene conservation unit number: NL.SI.3.6.23-02
Date of collection of the field data entered: 2019
Date of the most recent visit: 2018

Location

Unit country: Netherlands
Unit province or state: Limburg
Unit department or county: -
Unit municipality: Gulpen-Wittem
Unit local name: Wittem, midden-zuidrand Eyserbos
Ownership of the unit: Public
Unit elevation [m a.s.l.]: 150 - 170
Unit surface area [ha]: 4
Coordinates (Public coordinates): Latitude (Decimal):50.8290 | Longitude (Decimal): 5.9194

Soil: Haplic Luvisols

Climate

Mean monthly temperature and mean monthly precipitation2

Climatic zone: Cool temperate.
Environmental zone:Cool temperate and moist.
Aridity index: 1.243

Species

All tree species reported in the unit: Cornus sanguinea; Corylus avellana; Salix caprea; Viburnum opulus
Target species for conservation in the GCU: Cornus sanguinea

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


Target species: Cornus sanguinea
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 (%): 30%
Estimated number of reproducing trees (interval): 15 - 50
Status of long-term viable regeneration: Continuous

Management
Population management: -
Predominant silvicultural system: No silviculture