National gene conservation unit number: 23
Date of collection of the field data entered: 2024
Date of the most recent visit: 2024

Location

Unit country: United Kingdom
Unit province or state: Scotland
Unit department or county: Highland
Unit municipality: Glenmoriston
Unit local name: Dundreggan Estate
Ownership of the unit: Private
Unit elevation [m a.s.l.]: 120 - 275
Unit surface area [ha]: 205.4
Coordinates (Public coordinates): Latitude (Decimal):57.1949 | Longitude (Decimal): -4.7691

Soil: Haplic Podzols

Climate

Mean monthly temperature and mean monthly precipitation²

Climatic zone: Boreal / Alpine.
Environmental zone:Cold and wet.
Aridity index: 3.679

Species

All tree species reported in the unit: Alnus glutinosa; Betula pendula; Corylus avellana; Crataegus monogyna; Fraxinus excelsior; Juniperus communis; Pinus sylvestris; Populus tremula; Quercus petraea; Quercus robur; Salix caprea; Ulmus glabra
Target species for conservation in the GCU: Betula pendula, Juniperus communis

Unit type: Biodiversity conservation

Target species: Betula pendula
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 (%): 90%
Estimated number of reproducing trees (interval): >5001
Status of long-term viable regeneration: Sporadic

Management
Population management: Conservation through active intervention carried out
Predominant silvicultural system: No silviculture

Target species: Juniperus communis
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 (%): 60%
Estimated number of reproducing trees (interval): >5001
Status of long-term viable regeneration: Sporadic

Management
Population management: Conservation through active intervention carried out
Predominant silvicultural system: No silviculture