Loch Watten

Location:Scotland, United Kingdom
Area:1,058 acres (428 hectares)
Species:All  Endangered  Invasive
Website:View website
Climate:View Climate Data
Land Use:View Land Use Data
Köppen climate classification:Cfb (Climate: warm temperate; Precipitation: fully humid; Temperature: warm summer)
Natura 2000 Data Sheet:View Data Sheet  Explanatory notes

Ecoregions

North Atlantic moist mixed forests

Soils

Protected Area Boundary
 AB
   
Share60 %30 %10 %90 %5 %5 %
Soil TypeEutric GleysolsDystric GleysolsDystric CambisolsFibric HistosolsUmbric GleysolsFerric Podzols
Topsoil TextureMediumMediumCoarseFineFineCoarse
Reference Depth100 cm100 cm100 cm100 cm100 cm100 cm
DrainagePoorPoorWellVery poorVery poorSomewhat excessive
Available Water Capacity150 m150 m50 m150 m150 m75 m
Phase 1  Stony   
Root ObstacleNone to 80 cmNone to 80 cm60 - 80 cmNone to 80 cmNone to 80 cm40 - 60 cm
Impermeable Layer40 - 80 cm40 - 80 cm80 - 150 cmNone to 150 cm40 - 80 cm40 - 80 cm
Soil Water RegimeWet within 80 cm over 6 months, but not wet within 40 cm for over 11 monthWet within 80 cm over 6 months, but not wet within 40 cm for over 11 monthNot wet within 80 cm for over 3 months, nor wet within 40 cm for over 1 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
Gravel4 %2 %10 %1 %1 %3 %
Sand37 %40 %75 %20 %17 %86 %
Silt40 %39 %15 %40 %29 %8 %
Clay23 %21 %10 %40 %54 %6 %
USDA TextureLoamLoamSandy loamClayClayLoamy sand
Reference Bulk Density1.38 g/cm³1.4 g/cm³1.58 g/cm³1.26 g/cm³1.22 g/cm³1.67 g/cm³
Bulk Density1.35 g/cm³1.3 g/cm³1.49 g/cm³0.1 g/cm³1.23 g/cm³1.41 g/cm³
Organic Carbon1.07 %1.17 %0.7 %33.63 %4.54 %2.02 %
PH6.25.15.14.354.5
Clay Cation Exchange Capacity41 cmol kg⁻¹25 cmol kg⁻¹21 cmol kg⁻¹45 cmol kg⁻¹23 cmol kg⁻¹78 cmol kg⁻¹
Soil Cation Exchange Capacity13 cmol kg⁻¹11 cmol kg⁻¹5 cmol kg⁻¹77 cmol kg⁻¹24 cmol kg⁻¹5 cmol kg⁻¹
Base Saturation88 %47 %28 %62 %22 %17 %
Total Exchangeable Bases10.2 cmol kg⁻¹5.5 cmol kg⁻¹1.5 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 Sodium2 %1 %5 %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
Gravel5 %6 %9 %2 %1 %3 %
Sand36 %41 %68 %47 %22 %86 %
Silt36 %34 %17 %26 %25 %6 %
Clay28 %25 %15 %27 %53 %8 %
USDA TextureClay loamLoamSandy loamSandy clay loamClayLoamy sand
Reference Bulk Density1.35 g/cm³1.38 g/cm³1.51 g/cm³1.38 g/cm³1.23 g/cm³1.63 g/cm³
Bulk Density1.5 g/cm³1.36 g/cm³1.5 g/cm³0.1 g/cm³1.28 g/cm³1.57 g/cm³
Organic Carbon0.37 %0.4 %0.27 %32.89 %1.23 %0.51 %
PH6.65.354.655.1
Clay Cation Exchange Capacity42 cmol kg⁻¹29 cmol kg⁻¹31 cmol kg⁻¹71 cmol kg⁻¹15 cmol kg⁻¹50 cmol kg⁻¹
Soil Cation Exchange Capacity13 cmol kg⁻¹10 cmol kg⁻¹5 cmol kg⁻¹78 cmol kg⁻¹19 cmol kg⁻¹2 cmol kg⁻¹
Base Saturation90 %47 %36 %40 %27 %21 %
Total Exchangeable Bases11.9 cmol kg⁻¹6.1 cmol kg⁻¹1.4 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 Sodium2 %1 %5 %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