National gene conservation unit number: 19
Date of collection of the field data entered: 2015
Date of the most recent visit: 2015

Location

Unit country: United Kingdom
Unit province or state: Scotland
Unit department or county: Highland
Unit municipality: Laggan
Unit local name: Creag Meagaidh NNR
Ownership of the unit: Public
Unit elevation [m a.s.l.]: 250 - 600
Unit surface area [ha]: 400
Coordinates (Public coordinates): Latitude (Decimal):56.9611 | Longitude (Decimal): -4.5158

Soil: Water bodies

Climate

Mean monthly temperature and mean monthly precipitation2

Climatic zone: Boreal / Alpine.
Environmental zone:Cold and wet.
Aridity index: 3.878

Species

All tree species reported in the unit: Alnus glutinosa; Betula pendula; Betula pubescens; Corylus avellana; Crataegus monogyna; Fraxinus excelsior; Ilex aquifolium; Juniperus communis; Malus sylvestris; Pinus sylvestris; Populus tremula; Prunus avium; Prunus padus; Prunus spinosa; Quercus petraea; Quercus robur; Salix caprea; Sambucus nigra; Sorbus aucuparia; Ulmus glabra
Target species for conservation in the GCU: Alnus glutinosa, Betula pendula, Betula pubescens, Sorbus aucuparia, Corylus avellana

Unit type: Gene reserve forest, Biodiversity conservation


Target species: Alnus glutinosa
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 (%): 15%
Estimated number of reproducing trees (interval): >5001
Status of long-term viable regeneration: Continuous

Management
Population management: Minimum intervention allowed
Predominant silvicultural system: -


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 (%): 5%
Estimated number of reproducing trees (interval): 501 - 5000
Status of long-term viable regeneration: Sporadic

Management
Population management: Minimum intervention allowed
Predominant silvicultural system: -


Target species: Betula pubescens
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: Continuous

Management
Population management: Minimum intervention allowed
Predominant silvicultural system: -


Target species: Sorbus aucuparia
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 (%): 75%
Estimated number of reproducing trees (interval): >5001
Status of long-term viable regeneration: Continuous

Management
Population management: Minimum intervention allowed
Predominant silvicultural system: -


Target species: Corylus avellana
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 (%): 10%
Estimated number of reproducing trees (interval): 501 - 5000
Status of long-term viable regeneration: Sporadic

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