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Detail page for Unit number: GBR00020

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Country of the unit :United Kingdom
Unit number:GBR00020
National gene conservation unit number:20
Province or state:Scotland
Department or county:Highland
Municipality:Strontian
Local name :Ariundle Oakwood NNR
Latitude :56.7213711°N
Longitude :5.531022°W
Restriction in making the geographical coordinates publically available:0
Datum:
Polygon coordinates (if available):
Minimum elevation (m):30
Maximum elevation (m):170
Surface area of the unit (ha):70.7
Ownership of the unit :Public
Type and function of the unit :Gene reserve forest; Biodiversity conservation (habitats AND/or species)
Monthly temperature (°C):
Total annual mean precipitation (mm):
Heat sum and/or length of the growing season (in days):
Accumulated moisture deficit:
Year of collection of the field data entered:2018
Year of the most recent visit:2018
Remarks on specific soil characteristics:Largely acidic, with some more base-rich soils on bands of basalt
Remarks on other specific characteristics of the unit:The woodland is on a SE-facing slope, and is dominated by sessile and pendunculate oaks, together with their hybrids, as well as a range of other tree species. The site is fenced to control deer access, and deer are managed within this area. The soil is generally acidic but with more base-enriched soils derived from bands of basalt rock, where ash and wych elm are more common. Annual rainfall is high (>1800mm), and generally heaviest in autumn and winter. Temperatures are moderate throughout the year; the mean annual temperature is c. 5.5ºC. Many of the mature trees are multi-stemmed from historic coppicing. It is likely that past management deliberately favoured oak, which was the most valuable tree in terms of woodland products, resulting in the predominance of oak within the Reserve today.
All tree species growing in the unit:Quercus petraea; Sorbus aucuparia; Fraxinus excelsior; Betula pendula; Corylus avellana; Prunus padus; Alnus glutinosa; Betula pubescens; Ulmus glabra; Quercus robur; Ilex aquifolium
Target species:Betula pubescens; Corylus avellana; Fraxinus excelsior; Quercus petraea; Quercus robur; Sorbus aucuparia