Fen Bog

Location:England, United Kingdom
Area:68 acres (27 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

Celtic broadleaf forests

Soils

Protected Area Boundary
 A
  
Share50 %20 %15 %10 %5 %
Soil TypeGleyic PodzolsHaplic PodzolsDystric CambisolsUmbric GleysolsUmbric Leptosols
Topsoil TextureCoarseCoarseCoarseMediumCoarse
Reference Depth100 cm100 cm100 cm100 cm30 cm
DrainagePoorWellModerately wellPoorModerately well
Available Water Capacity15 m15 m15 m50 m15 mm
Phase 1LithicLithicLithicLithic 
Phase 2StonyStonyStonyStony 
Root Obstacle20 - 40 cm40 - 60 cm40 - 60 cm40 - 60 cm 
Impermeable LayerNone to 150 cmNone to 150 cmNone to 150 cmNone to 150 cm 
Soil Water RegimeWet within 40 cm depth for over 11 monthNot wet within 80 cm for over 3 months, nor wet within 40 cm for over 1 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 month 
Topsoil Properties
Gravel2 %3 %10 %4 %10 %
Sand86 %87 %75 %38 %79 %
Silt10 %9 %15 %42 %13 %
Clay4 %4 %10 %20 %8 %
USDA TextureLoamy sandLoamy sandSandy loamLoamLoamy sand
Reference Bulk Density1.73 g/cm³1.73 g/cm³1.58 g/cm³1.4 g/cm³1.62 g/cm³
Bulk Density1.31 g/cm³1.4 g/cm³1.49 g/cm³1.31 g/cm³1.45 g/cm³
Organic Carbon1.97 %2.18 %0.7 %4.59 %2.59 %
PH4.44.45.15.24.7
Clay Cation Exchange Capacity52 cmol kg⁻¹101 cmol kg⁻¹21 cmol kg⁻¹34 cmol kg⁻¹24 cmol kg⁻¹
Soil Cation Exchange Capacity6 cmol kg⁻¹9 cmol kg⁻¹5 cmol kg⁻¹20 cmol kg⁻¹8 cmol kg⁻¹
Base Saturation18 %11 %28 %82 %86 %
Total Exchangeable Bases3.6 cmol kg⁻¹2.6 cmol kg⁻¹1.5 cmol kg⁻¹1.8 cmol kg⁻¹5.2 cmol kg⁻¹
Calcium Carbonate0 %0 %0 %0 %0 %
Calcium Sulphate0 %0 %0 %0 %0 %
Exchangeable Sodium1 %1 %5 %2 %0 %
Electrical Conductivity0.1 dS m-10.1 dS m-10.1 dS m-10.1 dS m-10.1 dS m-1
Subsoil Properties
Gravel3 %4 %9 %5 % 
Sand85 %88 %68 %38 % 
Silt10 %8 %17 %32 % 
Clay5 %4 %15 %30 % 
USDA TextureLoamy sandSandSandy loamClay loam 
Reference Bulk Density1.7 g/cm³1.74 g/cm³1.51 g/cm³1.34 g/cm³ 
Bulk Density1.54 g/cm³1.51 g/cm³1.5 g/cm³1.49 g/cm³ 
Organic Carbon0.91 %0.39 %0.27 %0.67 % 
PH4.9555.2 
Clay Cation Exchange Capacity44 cmol kg⁻¹66 cmol kg⁻¹31 cmol kg⁻¹38 cmol kg⁻¹ 
Soil Cation Exchange Capacity3 cmol kg⁻¹2 cmol kg⁻¹5 cmol kg⁻¹11 cmol kg⁻¹ 
Base Saturation21 %21 %36 %86 % 
Total Exchangeable Bases1.7 cmol kg⁻¹1.5 cmol kg⁻¹1.4 cmol kg⁻¹10 cmol kg⁻¹ 
Calcium Carbonate0 %0 %0 %0 % 
Calcium Sulphate0 %0 %0 %0 % 
Exchangeable Sodium3 %3 %5 %4 % 
Electrical Conductivity0.1 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