National gene conservation unit number: NL.SI.3.5.20-01
Population number: -

GCU
Date of collection of the field data entered: 1995
Date of the most recent visit: 2007

POPULATION
Year of Establishment of the GCU for the species: 1995
Date (or partial of date) of the most recent visit: 2012

Location

Unit country: Netherlands
Unit province or state: Limburg
Unit department or county: -
Unit municipality: Roerdalen
Unit local name: Meinweg/Rolvennen
Ownership of the unit: Public
Unit elevation [m a.s.l.]: 50 - 50
Unit surface area [ha]: 23
Coordinates ( Public coordinates): Latitude (Decimal):51.1767 | Longitude (Decimal): 6.1300

Soil: Haplic Luvisols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Cool temperate.
Environmental zone:Cool temperate and moist.
Aridity index: 1.201

Species

All tree species growing in the unit: Quercus petraea; Quercus robur
Target species for conservation in the GCU: Quercus petraea, Quercus robur

Unit type: Seed stand

Target species: Quercus robur
Status of the target species in the GCU: Included
Category of the target species in the GCU: In situ
Origin of the target species in the GCU : Autochthonous
Population share (%): 50%
Estimated number of reproducing trees (interval): 51 - 500
Status of long-term viable regeneration: Sporadic

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