LITTORAL SEINO-MARIN

Location:France
Area:367,957 acres (148,907 hectares)
Species:All  Endangered  Invasive
Climate:View Climate 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
 ABC
    
Share90 %10 %50 %30 %20 %70 %20 %10 %
Soil TypeEutric FluvisolsEutric GleysolsRendzic LeptosolsCalcaric CambisolsCalcaric CambisolsHaplic LuvisolsEutric CambisolsRendzic Leptosols
Topsoil TextureMediumMediumMediumFineMediumMediumFineMedium
Reference Depth100 cm100 cm30 cm100 cm100 cm100 cm100 cm30 cm
DrainagePoorPoorImperfectlyModerately wellModerately wellModerately wellModerately wellImperfectly
Available Water Capacity150 m150 m15 mm75 m100 m150 m75 m15 mm
Phase 1  StonyStonyStony StonyStony
Root ObstacleNone to 80 cmNone to 80 cm None to 80 cmNone to 80 cmNone to 80 cmNone to 80 cm 
Impermeable LayerNone to 150 cm80 - 150 cm None to 150 cmNone 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 monthWet within 80 cm for 3 to 6 months, but not 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 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
Gravel4 %4 %16 %5 %6 %4 %10 %16 %
Sand39 %37 %37 %19 %36 %41 %23 %37 %
Silt40 %40 %44 %32 %43 %37 %29 %44 %
Clay21 %23 %19 %49 %21 %22 %48 %19 %
USDA TextureLoamLoamLoamClayLoamLoamClayLoam
Reference Bulk Density1.4 g/cm³1.38 g/cm³1.41 g/cm³1.24 g/cm³1.39 g/cm³1.4 g/cm³1.25 g/cm³1.41 g/cm³
Bulk Density1.36 g/cm³1.35 g/cm³1.24 g/cm³1.28 g/cm³1.41 g/cm³1.43 g/cm³1.28 g/cm³1.24 g/cm³
Organic Carbon0.86 %1.07 %2.13 %0.87 %0.65 %0.74 %1.17 %2.13 %
PH7.26.27.57.886.56.77.5
Clay Cation Exchange Capacity63 cmol kg⁻¹41 cmol kg⁻¹80 cmol kg⁻¹57 cmol kg⁻¹52 cmol kg⁻¹47 cmol kg⁻¹50 cmol kg⁻¹80 cmol kg⁻¹
Soil Cation Exchange Capacity16 cmol kg⁻¹13 cmol kg⁻¹27 cmol kg⁻¹30 cmol kg⁻¹16 cmol kg⁻¹13 cmol kg⁻¹27 cmol kg⁻¹27 cmol kg⁻¹
Base Saturation91 %88 %100 %100 %100 %91 %89 %100 %
Total Exchangeable Bases16.9 cmol kg⁻¹10.2 cmol kg⁻¹28.8 cmol kg⁻¹46.6 cmol kg⁻¹24.3 cmol kg⁻¹11 cmol kg⁻¹22.1 cmol kg⁻¹28.8 cmol kg⁻¹
Calcium Carbonate0.5 %0 %6 %4.9 %7 %0 %0.1 %6 %
Calcium Sulphate0 %0 %0 %0.1 %0 %0 %0 %0 %
Exchangeable Sodium2 %2 %2 %1 %1 %1 %1 %2 %
Electrical Conductivity0.1 dS m-10.1 dS m-10.1 dS m-10.2 dS m-10.4 dS m-10.1 dS m-10.1 dS m-10.1 dS m-1
Subsoil Properties
Gravel7 %5 % 5 %10 %3 %24 % 
Sand41 %36 % 23 %34 %37 %26 % 
Silt38 %36 % 35 %43 %34 %29 % 
Clay21 %28 % 42 %23 %29 %45 % 
USDA TextureLoamClay loam ClayLoamClay loamClay 
Reference Bulk Density1.4 g/cm³1.35 g/cm³ 1.26 g/cm³1.38 g/cm³1.35 g/cm³1.26 g/cm³ 
Bulk Density1.39 g/cm³1.5 g/cm³ 1.35 g/cm³1.45 g/cm³1.51 g/cm³1.35 g/cm³ 
Organic Carbon0.38 %0.37 % 0.39 %0.43 %0.36 %0.58 % 
PH7.56.6 8.18.16.77 
Clay Cation Exchange Capacity61 cmol kg⁻¹42 cmol kg⁻¹ 58 cmol kg⁻¹54 cmol kg⁻¹50 cmol kg⁻¹51 cmol kg⁻¹ 
Soil Cation Exchange Capacity14 cmol kg⁻¹13 cmol kg⁻¹ 26 cmol kg⁻¹16 cmol kg⁻¹14 cmol kg⁻¹25 cmol kg⁻¹ 
Base Saturation96 %90 % 100 %100 %93 %97 % 
Total Exchangeable Bases15.2 cmol kg⁻¹11.9 cmol kg⁻¹ 44.8 cmol kg⁻¹28.7 cmol kg⁻¹13.1 cmol kg⁻¹25.9 cmol kg⁻¹ 
Calcium Carbonate2.5 %0 % 11.2 %8.7 %0 %0.3 % 
Calcium Sulphate0 %0 % 0 %0.4 %0 %0 % 
Exchangeable Sodium3 %2 % 2 %1 %1 %1 % 
Electrical Conductivity0.1 dS m-10.1 dS m-1 0.2 dS m-10.3 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