Courant d'Huchet

Location:France
Area:1,688 acres (683 hectares)
Species:All  Endangered  Invasive
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

Atlantic mixed forests

Soils

Protected Area Boundary
 AB
   
Share 70 %30 %
Soil TypeDystric RegosolsHaplic PodzolsEutric Podzoluvisols
Topsoil TextureCoarseCoarseMedium
Reference Depth100 cm100 cm100 cm
DrainageSomewhat excessiveSomewhat excessiveModerately well
Available Water Capacity100 m100 m150 m
Root ObstacleNone to 80 cm60 - 80 cmNone to 80 cm
Impermeable LayerNone to 150 cmNone 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 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 month
Topsoil Properties
Gravel19 %3 %1 %
Sand78 %87 %35 %
Silt13 %9 %54 %
Clay9 %4 %11 %
USDA TextureSandy loamLoamy sandSilt loam
Reference Bulk Density1.6 g/cm³1.73 g/cm³1.49 g/cm³
Bulk Density1.27 g/cm³1.4 g/cm³1.36 g/cm³
Organic Carbon0.7 %2.18 %1.2 %
PH5.64.45.4
Clay Cation Exchange Capacity29 cmol kg⁻¹101 cmol kg⁻¹48 cmol kg⁻¹
Soil Cation Exchange Capacity6 cmol kg⁻¹9 cmol kg⁻¹9 cmol kg⁻¹
Base Saturation98 %11 %55 %
Total Exchangeable Bases4.1 cmol kg⁻¹2.6 cmol kg⁻¹5.7 cmol kg⁻¹
Calcium Carbonate0 %0 %0 %
Calcium Sulphate0 %0 %0 %
Exchangeable Sodium3 %1 %0 %
Electrical Conductivity0.1 dS m-10.1 dS m-10.1 dS m-1
Subsoil Properties
Gravel14 %4 %4 %
Sand77 %88 %37 %
Silt13 %8 %43 %
Clay10 %4 %20 %
USDA TextureSandy loamSandLoam
Reference Bulk Density1.58 g/cm³1.74 g/cm³1.4 g/cm³
Bulk Density1.5 g/cm³1.51 g/cm³1.61 g/cm³
Organic Carbon0.31 %0.39 %0.25 %
PH5.355.3
Clay Cation Exchange Capacity36 cmol kg⁻¹66 cmol kg⁻¹63 cmol kg⁻¹
Soil Cation Exchange Capacity4 cmol kg⁻¹2 cmol kg⁻¹9 cmol kg⁻¹
Base Saturation28 %21 %59 %
Total Exchangeable Bases1 cmol kg⁻¹1.5 cmol kg⁻¹4.9 cmol kg⁻¹
Calcium Carbonate0 %0 %0 %
Calcium Sulphate0 %0 %0 %
Exchangeable Sodium3 %3 %0 %
Electrical Conductivity0.1 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