PLAINE DU FOREZ

Location:France
Area:81,144 acres (32,838 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

Western European broadleaf forests

Soils

Protected Area Boundary
 AB
   
Share80 %20 %50 %30 %20 %
Soil TypeEutric FluvisolsEutric FluvisolsGleyic PodzoluvisolsGleyic LuvisolsHaplic Luvisols
Topsoil TextureMediumMediumMediumMediumMedium
Reference Depth100 cm100 cm100 cm100 cm100 cm
DrainagePoorPoorPoorPoorModerately well
Available Water Capacity150 m150 m100 m100 m150 m
Root ObstacleNone to 80 cmNone to 80 cmNone to 80 cmNone to 80 cmNone to 80 cm
Impermeable LayerNone to 150 cm80 - 150 cm40 - 80 cm40 - 80 cm80 - 150 cm
Soil Water RegimeNot wet within 80 cm for over 3 months, nor wet within 40 cm for over 1 monthWet within 80 cm for 3 to 6 months, but not wet within 40 cm for over 1 monthWet within 80 cm for 3 to 6 months, but not wet within 40 cm for over 1 monthWet within 80 cm for 3 to 6 months, but not 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
Gravel4 %4 %1 %5 %4 %
Sand39 %39 %32 %47 %41 %
Silt40 %40 %49 %29 %37 %
Clay21 %21 %19 %24 %22 %
USDA TextureLoamLoamLoamLoamLoam
Reference Bulk Density1.4 g/cm³1.4 g/cm³1.4 g/cm³1.39 g/cm³1.4 g/cm³
Bulk Density1.36 g/cm³1.36 g/cm³1.35 g/cm³1.54 g/cm³1.43 g/cm³
Organic Carbon0.86 %0.86 %2.22 %0.83 %0.74 %
PH7.27.25.36.36.5
Clay Cation Exchange Capacity63 cmol kg⁻¹63 cmol kg⁻¹36 cmol kg⁻¹46 cmol kg⁻¹47 cmol kg⁻¹
Soil Cation Exchange Capacity16 cmol kg⁻¹16 cmol kg⁻¹17 cmol kg⁻¹16 cmol kg⁻¹13 cmol kg⁻¹
Base Saturation91 %91 %55 %93 %91 %
Total Exchangeable Bases16.9 cmol kg⁻¹16.9 cmol kg⁻¹5.7 cmol kg⁻¹14.9 cmol kg⁻¹11 cmol kg⁻¹
Calcium Carbonate0.5 %0.5 %0 %0 %0 %
Calcium Sulphate0 %0 %0 %0 %0 %
Exchangeable Sodium2 %2 %0 %2 %1 %
Electrical Conductivity0.1 dS m-10.1 dS m-10.1 dS m-10.1 dS m-10.1 dS m-1
Subsoil Properties
Gravel7 %7 %4 %6 %3 %
Sand41 %41 %25 %39 %37 %
Silt38 %38 %51 %27 %34 %
Clay21 %21 %24 %34 %29 %
USDA TextureLoamLoamSilt loamClay loamClay loam
Reference Bulk Density1.4 g/cm³1.4 g/cm³1.35 g/cm³1.33 g/cm³1.35 g/cm³
Bulk Density1.39 g/cm³1.39 g/cm³1.6 g/cm³1.65 g/cm³1.51 g/cm³
Organic Carbon0.38 %0.38 %0.5 %0.28 %0.36 %
PH7.57.55.476.7
Clay Cation Exchange Capacity61 cmol kg⁻¹61 cmol kg⁻¹40 cmol kg⁻¹44 cmol kg⁻¹50 cmol kg⁻¹
Soil Cation Exchange Capacity14 cmol kg⁻¹14 cmol kg⁻¹14 cmol kg⁻¹16 cmol kg⁻¹14 cmol kg⁻¹
Base Saturation96 %96 %59 %99 %93 %
Total Exchangeable Bases15.2 cmol kg⁻¹15.2 cmol kg⁻¹4.9 cmol kg⁻¹15.9 cmol kg⁻¹13.1 cmol kg⁻¹
Calcium Carbonate2.5 %2.5 %0 %0.4 %0 %
Calcium Sulphate0 %0 %0 %0 %0 %
Exchangeable Sodium3 %3 %0 %2 %1 %
Electrical Conductivity0.1 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