National gene conservation unit number: NL.SI.1.1.01-03
Date of collection of the field data entered: 2017
Date of the most recent visit: 2017

Location

Unit country: Netherlands
Unit province or state: Overijssel
Unit department or county: -
Unit municipality: Ommen
Unit local name: Ommen, Houtprathoek
Ownership of the unit: Public
Unit elevation [m a.s.l.]: 5 - 5
Unit surface area [ha]: 55
Coordinates (Public coordinates): Latitude (Decimal):52.5120 | Longitude (Decimal): 6.5100

Soil: Dystric Regosols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Cool temperate.
Environmental zone:Cool temperate and moist.
Aridity index: 1.289

Species

All tree species reported in the unit: Alnus glutinosa; Betula pendula; Crataegus monogyna; Ilex aquifolium; Pinus sylvestris; Prunus spinosa; Quercus robur; Rhamnus cathartica; Sorbus aucuparia
Target species for conservation in the GCU: Prunus spinosa

Unit type: Seed stand

Target species: Prunus spinosa
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: No intervention allowed
Predominant silvicultural system: No silviculture