Marais de la Souche

Location:France
Area:5,955 acres (2,410 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
   
Share70 %30 % 
Soil TypeRendzic LeptosolsCalcaric CambisolsTerric Histosols
Topsoil TextureMediumMediumMedium
Reference Depth30 cm100 cm100 cm
DrainageImperfectlyModerately wellVery poor
Available Water Capacity15 mm100 m150 m
Phase 1StonyStony 
Root Obstacle 60 - 80 cmNone to 80 cm
Impermeable Layer None to 150 cm80 - 150 cm
Soil Water Regime Not 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
Gravel16 %6 %28 %
Sand37 %36 %35 %
Silt44 %43 %33 %
Clay19 %21 %32 %
USDA TextureLoamLoamClay loam
Reference Bulk Density1.41 g/cm³1.39 g/cm³1.32 g/cm³
Bulk Density1.24 g/cm³1.41 g/cm³0.28 g/cm³
Organic Carbon2.13 %0.65 %39.4 %
PH7.585.6
Clay Cation Exchange Capacity80 cmol kg⁻¹52 cmol kg⁻¹45 cmol kg⁻¹
Soil Cation Exchange Capacity27 cmol kg⁻¹16 cmol kg⁻¹87 cmol kg⁻¹
Base Saturation100 %100 %75 %
Total Exchangeable Bases28.8 cmol kg⁻¹24.3 cmol kg⁻¹59.5 cmol kg⁻¹
Calcium Carbonate6 %7 %0 %
Calcium Sulphate0 %0 %0 %
Exchangeable Sodium2 %1 %1 %
Electrical Conductivity0.1 dS m-10.4 dS m-10.1 dS m-1
Subsoil Properties
Gravel 10 %5 %
Sand 34 %52 %
Silt 43 %23 %
Clay 23 %25 %
USDA Texture LoamSandy clay loam
Reference Bulk Density 1.38 g/cm³1.38 g/cm³
Bulk Density 1.45 g/cm³0.18 g/cm³
Organic Carbon 0.43 %38.46 %
PH 8.15.8
Clay Cation Exchange Capacity 54 cmol kg⁻¹49 cmol kg⁻¹
Soil Cation Exchange Capacity 16 cmol kg⁻¹88 cmol kg⁻¹
Base Saturation 100 %96 %
Total Exchangeable Bases 28.7 cmol kg⁻¹81.8 cmol kg⁻¹
Calcium Carbonate 8.7 %0 %
Calcium Sulphate 0.4 %0 %
Exchangeable Sodium 1 %1 %
Electrical Conductivity 0.3 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