National gene conservation unit number: 18
Date of collection of the field data entered: 2023
Date of the most recent visit: 2023
Location
Unit country: United Kingdom
Unit province or state: Scotland
Unit department or county: Highland
Unit municipality: Appin
Unit local name: Glasdrum Wood NNR
Ownership of the unit:
Public
Unit elevation [m a.s.l.]: 10 - 535
Unit surface area [ha]: 120.6
Coordinates (Public coordinates):
Latitude (Decimal):56.5632 | Longitude (Decimal): -5.2565
Soil:
Climate
Mean monthly temperature and mean monthly precipitation2
All tree species reported in the unit: Acer pseudoplatanus; Alnus glutinosa; Betula pendula; Betula pubescens; Corylus avellana; Crataegus monogyna; Fraxinus excelsior; Prunus spinosa; Quercus petraea; Quercus robur; Salix caprea; Ulmus glabra
Target species for conservation in the GCU:
Alnus glutinosa,
Betula pendula,
Betula pubescens,
Corylus avellana,
Fraxinus excelsior,
Quercus petraea,
Quercus robur
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 (%): 80%
Estimated number of reproducing trees (interval): 501 - 5000
Status of long-term viable regeneration: Continuous
Management
Population management: Conservation through active intervention carried out
Predominant silvicultural system: Coppice
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 (%): 40%
Estimated number of reproducing trees (interval): 501 - 5000
Status of long-term viable regeneration: Continuous
Management
Population management: Conservation through active intervention carried out
Predominant silvicultural system: Coppice
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 (%): 80%
Estimated number of reproducing trees (interval): 501 - 5000
Status of long-term viable regeneration: Continuous
Management
Population management: Conservation through active intervention carried out
Predominant silvicultural system: Coppice
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 (%): 70%
Estimated number of reproducing trees (interval): 501 - 5000
Status of long-term viable regeneration: Continuous
Management
Population management: Conservation through active intervention carried out
Predominant silvicultural system: Coppice
Target species: Fraxinus excelsior
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 (%): 70%
Estimated number of reproducing trees (interval): 501 - 5000
Status of long-term viable regeneration: Required management intervention
Management
Population management: Conservation through active intervention carried out
Predominant silvicultural system: -
Target species: Quercus petraea
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 (%): 80%
Estimated number of reproducing trees (interval): 501 - 5000
Status of long-term viable regeneration: Required management intervention
Management
Population management: Conservation through active intervention carried out
Predominant silvicultural system: -
Target species: Quercus robur
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 (%): 40%
Estimated number of reproducing trees (interval): 501 - 5000
Status of long-term viable regeneration: Required management intervention
Management
Population management: Conservation through active intervention carried out
Predominant silvicultural system: -
Location
