National gene conservation unit number: NL.SI.3.2.04-01
Date of collection of the field data entered: 2020
Date of the most recent visit: 2018

Location

Unit country: Netherlands
Unit province or state: Brabant
Unit department or county: -
Unit municipality: Zundert
Unit local name: Zundert, De Krochten
Ownership of the unit: Public
Unit elevation [m a.s.l.]: 10 - 10
Unit surface area [ha]: 6
Coordinates (Public coordinates): Latitude (Decimal):51.4419 | Longitude (Decimal): 4.6580

Soil: Gleyic Podzols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Cool temperate.
Environmental zone:Cool temperate and moist.
Aridity index: 1.245

Species

All tree species reported in the unit: Alnus glutinosa; Betula pendula; Betula pubescens; Corylus avellana; Quercus robur; Salix cinerea; Sorbus aucuparia
Target species for conservation in the GCU: Alnus glutinosa, Betula pubescens

Unit type: Seed stand

Target species: Alnus glutinosa
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): 51 - 500
Status of long-term viable regeneration: Sporadic

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

Target species: Betula pubescens
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: Conservation through active intervention carried out
Predominant silvicultural system: No silviculture