Carn nan Tri-Tighearnan

Location:Scotland, United Kingdom
Area:10,258 acres (4,151 hectares)
Species:All  Endangered  Invasive
Website:View website
Climate:View Climate Data
Land Use:View Land Use Data
Köppen climate classification:Cfc (Climate: warm temperate; Precipitation: fully humid; Temperature: cool summer)
Natura 2000 Data Sheet:View Data Sheet  Explanatory notes

Ecoregions

Caledon conifer forests
Celtic broadleaf forests

Soils

Protected Area Boundary
 AB
   
Share60 %30 %10 %90 %5 %5 %
Soil TypeFerric PodzolsFibric HistosolsUmbric GleysolsFibric HistosolsUmbric GleysolsFerric Podzols
Topsoil TextureCoarseFineFineFineFineCoarse
Reference Depth100 cm100 cm100 cm100 cm100 cm100 cm
DrainageSomewhat excessiveVery poorVery poorVery poorVery poorSomewhat excessive
Available Water Capacity75 m150 m150 m150 m150 m75 m
Root Obstacle40 - 60 cmNone to 80 cmNone to 80 cmNone to 80 cmNone to 80 cm40 - 60 cm
Impermeable Layer40 - 80 cmNone to 150 cm40 - 80 cmNone to 150 cm40 - 80 cm40 - 80 cm
Soil Water RegimeWet within 40 cm depth for over 11 monthWet within 40 cm depth for over 11 monthWet within 40 cm depth for over 11 monthWet within 40 cm depth for over 11 monthWet within 40 cm depth for over 11 monthWet within 40 cm depth for over 11 month
Topsoil Properties
Gravel3 %1 %1 %1 %1 %3 %
Sand86 %20 %17 %20 %17 %86 %
Silt8 %40 %29 %40 %29 %8 %
Clay6 %40 %54 %40 %54 %6 %
USDA TextureLoamy sandClayClayClayClayLoamy sand
Reference Bulk Density1.67 g/cm³1.26 g/cm³1.22 g/cm³1.26 g/cm³1.22 g/cm³1.67 g/cm³
Bulk Density1.41 g/cm³0.1 g/cm³1.23 g/cm³0.1 g/cm³1.23 g/cm³1.41 g/cm³
Organic Carbon2.02 %33.63 %4.54 %33.63 %4.54 %2.02 %
PH4.54.354.354.5
Clay Cation Exchange Capacity78 cmol kg⁻¹45 cmol kg⁻¹23 cmol kg⁻¹45 cmol kg⁻¹23 cmol kg⁻¹78 cmol kg⁻¹
Soil Cation Exchange Capacity5 cmol kg⁻¹77 cmol kg⁻¹24 cmol kg⁻¹77 cmol kg⁻¹24 cmol kg⁻¹5 cmol kg⁻¹
Base Saturation17 %62 %22 %62 %22 %17 %
Total Exchangeable Bases2.5 cmol kg⁻¹31.4 cmol kg⁻¹7.1 cmol kg⁻¹31.4 cmol kg⁻¹7.1 cmol kg⁻¹2.5 cmol kg⁻¹
Calcium Carbonate0 %0 %0 %0 %0 %0 %
Calcium Sulphate0 %0 %0 %0 %0 %0 %
Exchangeable Sodium0 %2 %1 %2 %1 %0 %
Electrical Conductivity0.1 dS m-10.1 dS m-10.1 dS m-10.1 dS m-10.1 dS m-10.1 dS m-1
Subsoil Properties
Gravel3 %2 %1 %2 %1 %3 %
Sand86 %47 %22 %47 %22 %86 %
Silt6 %26 %25 %26 %25 %6 %
Clay8 %27 %53 %27 %53 %8 %
USDA TextureLoamy sandSandy clay loamClaySandy clay loamClayLoamy sand
Reference Bulk Density1.63 g/cm³1.38 g/cm³1.23 g/cm³1.38 g/cm³1.23 g/cm³1.63 g/cm³
Bulk Density1.57 g/cm³0.1 g/cm³1.28 g/cm³0.1 g/cm³1.28 g/cm³1.57 g/cm³
Organic Carbon0.51 %32.89 %1.23 %32.89 %1.23 %0.51 %
PH5.14.654.655.1
Clay Cation Exchange Capacity50 cmol kg⁻¹71 cmol kg⁻¹15 cmol kg⁻¹71 cmol kg⁻¹15 cmol kg⁻¹50 cmol kg⁻¹
Soil Cation Exchange Capacity2 cmol kg⁻¹78 cmol kg⁻¹19 cmol kg⁻¹78 cmol kg⁻¹19 cmol kg⁻¹2 cmol kg⁻¹
Base Saturation21 %40 %27 %40 %27 %21 %
Total Exchangeable Bases1.5 cmol kg⁻¹27.4 cmol kg⁻¹5.7 cmol kg⁻¹27.4 cmol kg⁻¹5.7 cmol kg⁻¹1.5 cmol kg⁻¹
Calcium Carbonate0 %0 %0 %0 %0 %0 %
Calcium Sulphate0 %0 %0 %0 %0 %0 %
Exchangeable Sodium0 %1 %2 %1 %2 %0 %
Electrical Conductivity0.1 dS m-10.1 dS m-10.1 dS m-10.1 dS m-10.1 dS m-10.1 dS m-1
Soil data provided by FAO/IIASA/ISRIC/ISSCAS/JRC, 2012. Harmonized World Soil Database (version 1.2). FAO, Rome, Italy and IIASA, Laxenburg, Austria.
Köppen climate classification provided by Kottek, M., J. Grieser, C. Beck, B. Rudolf, and F. Rubel, 2006: World Map of Köppen-Geiger Climate Classification updated. Meteorol. Z., 15, 259-263