Peter`s Pit

Location:England, United Kingdom
Area:70 acres (28 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

English Lowlands beech forests

Soils

Protected Area Boundary
 A
  
Share45 %25 %25 %5 %
Soil TypeEutric CambisolsRendzic LeptosolsHaplic LuvisolsCalcaric Regosols
Topsoil TextureCoarseCoarseCoarseCoarse
Reference Depth100 cm30 cm100 cm100 cm
DrainageWellModerately wellModerately wellSomewhat excessive
Available Water Capacity100 m50 mm150 m100 m
Root Obstacle40 - 60 cm None to 80 cm20 - 40 cm
Impermeable LayerNone to 150 cm None to 150 cmNone to 150 cm
Soil Water RegimeNot wet within 80 cm for over 3 months, nor wet within 40 cm for over 1 month Not 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 month
Topsoil Properties
Gravel10 %21 %4 %15 %
Sand77 %76 %82 %85 %
Silt14 %16 %8 %8 %
Clay9 %8 %10 %7 %
USDA TextureSandy loamSandy loamLoamy sandLoamy sand
Reference Bulk Density1.6 g/cm³1.61 g/cm³1.59 g/cm³1.65 g/cm³
Bulk Density1.5 g/cm³1.45 g/cm³1.43 g/cm³1.3 g/cm³
Organic Carbon0.7 %1.93 %0.4 %0.49 %
PH6.97.26.57.9
Clay Cation Exchange Capacity49 cmol kg⁻¹64 cmol kg⁻¹48 cmol kg⁻¹111 cmol kg⁻¹
Soil Cation Exchange Capacity7 cmol kg⁻¹14 cmol kg⁻¹6 cmol kg⁻¹5 cmol kg⁻¹
Base Saturation91 %86 %89 %100 %
Total Exchangeable Bases6.7 cmol kg⁻¹31.7 cmol kg⁻¹5.9 cmol kg⁻¹4.2 cmol kg⁻¹
Calcium Carbonate0.1 %4.9 %0 %6 %
Calcium Sulphate0 %0 %0 %0 %
Exchangeable Sodium2 %1 %2 %4 %
Electrical Conductivity0.1 dS m-10.1 dS m-10.1 dS m-10.2 dS m-1
Subsoil Properties
Gravel20 % 6 %14 %
Sand67 % 75 %84 %
Silt16 % 8 %9 %
Clay17 % 17 %7 %
USDA TextureSandy loam Sandy loamLoamy sand
Reference Bulk Density1.48 g/cm³ 1.5 g/cm³1.65 g/cm³
Bulk Density1.5 g/cm³ 1.57 g/cm³1.6 g/cm³
Organic Carbon0.4 % 0.24 %0.4 %
PH7.3 6.58
Clay Cation Exchange Capacity48 cmol kg⁻¹ 53 cmol kg⁻¹102 cmol kg⁻¹
Soil Cation Exchange Capacity8 cmol kg⁻¹ 10 cmol kg⁻¹5 cmol kg⁻¹
Base Saturation91 % 88 %100 %
Total Exchangeable Bases9.3 cmol kg⁻¹ 8.1 cmol kg⁻¹4.2 cmol kg⁻¹
Calcium Carbonate0.1 % 0 %6 %
Calcium Sulphate0 % 0 %0 %
Exchangeable Sodium2 % 1 %5 %
Electrical Conductivity0.1 dS m-1 0.1 dS m-10.3 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