National gene conservation unit number: 13
Population number: -

GCU
Date of collection of the field data entered: 2021
Date of the most recent visit: 2023

POPULATION
Year of Establishment of the GCU for the species: 2023
Date (or partial of date) of the most recent visit: 2021

Location

Unit country: United Kingdom
Unit province or state: Scotland
Unit department or county: Dumfries and Galloway
Unit municipality: Castle Douglas
Unit local name: Craig Farm wood pasture
Ownership of the unit: Private
Unit elevation [m a.s.l.]: 80 - 100
Unit surface area [ha]: 87.4
Coordinates ( Restricted coordinates): Latitude (Decimal): 55…**** | Longitude (Decimal): -4…****

Soil: Dystric Cambisols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Cool temperate.
Environmental zone:Cool temperate and moist.
Aridity index: 2.990

Species

All tree species growing in the unit: Alnus glutinosa; Betula pubescens; Corylus avellana; Crataegus monogyna; Fraxinus excelsior; Malus sylvestris; Populus tremula; Quercus petraea; Sambucus nigra; Sorbus aucuparia
Target species for conservation in the GCU: Malus sylvestris

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

Target species: Malus sylvestris
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 (%): 1%
Estimated number of reproducing trees (interval): 51 - 500
Status of long-term viable regeneration: Continuous

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