Lac de Grand Lieu

Location:France
Area:14,199 acres (5,746 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
 ABCD
     
Share70 %30 %70 %20 %5 %5 %90 %5 %5 % 
Soil TypeDystric CambisolsGleyic LuvisolsDystric CambisolsCambic PodzolsLithic LeptosolsUmbric LeptosolsEutric PodzoluvisolsGleyic LuvisolsHaplic LuvisolsFibric Histosols
Topsoil TextureMediumMediumCoarseCoarseCoarseCoarseMediumMediumMediumFine
Reference Depth100 cm100 cm100 cm100 cm10 cm30 cm100 cm100 cm100 cm100 cm
DrainageModerately wellPoorModerately wellSomewhat excessiveModerately wellModerately wellModerately wellPoorModerately wellVery poor
Available Water Capacity150 m150 m15 m50 m0 mm15 mm100 m100 m150 m150 m
Phase 1  LithicStonyStonyStony    
Phase 2  Stony       
Root ObstacleNone to 80 cmNone to 80 cm20 - 40 cm40 - 60 cm  None to 80 cmNone to 80 cmNone to 80 cmNone to 80 cm
Impermeable Layer80 - 150 cm80 - 150 cmNone to 150 cmNone to 150 cm  40 - 80 cm40 - 80 cm80 - 150 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 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  Wet 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 monthWet within 40 cm depth for over 11 month
Topsoil Properties
Gravel10 %5 %10 %3 %21 %10 %1 %5 %4 %1 %
Sand42 %47 %75 %85 %73 %79 %35 %47 %41 %20 %
Silt38 %29 %15 %10 %18 %13 %54 %29 %37 %40 %
Clay20 %24 %10 %5 %9 %8 %11 %24 %22 %40 %
USDA TextureLoamLoamSandy loamLoamy sandSandy loamLoamy sandSilt loamLoamLoamClay
Reference Bulk Density1.41 g/cm³1.39 g/cm³1.58 g/cm³1.7 g/cm³1.59 g/cm³1.62 g/cm³1.49 g/cm³1.39 g/cm³1.4 g/cm³1.26 g/cm³
Bulk Density1.3 g/cm³1.54 g/cm³1.49 g/cm³1.41 g/cm³1.45 g/cm³1.45 g/cm³1.36 g/cm³1.54 g/cm³1.43 g/cm³0.1 g/cm³
Organic Carbon1.45 %0.83 %0.7 %2.02 %1.4 %2.59 %1.2 %0.83 %0.74 %33.63 %
PH5.16.35.14.37.54.75.46.36.54.3
Clay Cation Exchange Capacity32 cmol kg⁻¹46 cmol kg⁻¹21 cmol kg⁻¹78 cmol kg⁻¹85 cmol kg⁻¹24 cmol kg⁻¹48 cmol kg⁻¹46 cmol kg⁻¹47 cmol kg⁻¹45 cmol kg⁻¹
Soil Cation Exchange Capacity12 cmol kg⁻¹16 cmol kg⁻¹5 cmol kg⁻¹5 cmol kg⁻¹12 cmol kg⁻¹8 cmol kg⁻¹9 cmol kg⁻¹16 cmol kg⁻¹13 cmol kg⁻¹77 cmol kg⁻¹
Base Saturation38 %93 %28 %17 %86 %86 %55 %93 %91 %62 %
Total Exchangeable Bases4.3 cmol kg⁻¹14.9 cmol kg⁻¹1.5 cmol kg⁻¹2.5 cmol kg⁻¹5.2 cmol kg⁻¹5.2 cmol kg⁻¹5.7 cmol kg⁻¹14.9 cmol kg⁻¹11 cmol kg⁻¹31.4 cmol kg⁻¹
Calcium Carbonate0 %0 %0 %0 %0 %0 %0 %0 %0 %0 %
Calcium Sulphate0 %0 %0 %0 %0 %0 %0 %0 %0 %0 %
Exchangeable Sodium2 %2 %5 %0 %1 %0 %0 %2 %1 %2 %
Electrical Conductivity0.1 dS m-10.1 dS m-10.1 dS m-10.1 dS m-10.1 dS m-10.1 dS m-10.1 dS m-10.1 dS m-10.1 dS m-10.1 dS m-1
Subsoil Properties
Gravel19 %6 %9 %3 %  4 %6 %3 %2 %
Sand45 %39 %68 %86 %  37 %39 %37 %47 %
Silt35 %27 %17 %10 %  43 %27 %34 %26 %
Clay20 %34 %15 %4 %  20 %34 %29 %27 %
USDA TextureLoamClay loamSandy loamLoamy sand  LoamClay loamClay loamSandy clay loam
Reference Bulk Density1.42 g/cm³1.33 g/cm³1.51 g/cm³1.73 g/cm³  1.4 g/cm³1.33 g/cm³1.35 g/cm³1.38 g/cm³
Bulk Density1.36 g/cm³1.65 g/cm³1.5 g/cm³1.57 g/cm³  1.61 g/cm³1.65 g/cm³1.51 g/cm³0.1 g/cm³
Organic Carbon0.5 %0.28 %0.27 %0.51 %  0.25 %0.28 %0.36 %32.89 %
PH5.2754.8  5.376.74.6
Clay Cation Exchange Capacity35 cmol kg⁻¹44 cmol kg⁻¹31 cmol kg⁻¹50 cmol kg⁻¹  63 cmol kg⁻¹44 cmol kg⁻¹50 cmol kg⁻¹71 cmol kg⁻¹
Soil Cation Exchange Capacity9 cmol kg⁻¹16 cmol kg⁻¹5 cmol kg⁻¹2 cmol kg⁻¹  9 cmol kg⁻¹16 cmol kg⁻¹14 cmol kg⁻¹78 cmol kg⁻¹
Base Saturation33 %99 %36 %21 %  59 %99 %93 %40 %
Total Exchangeable Bases2.6 cmol kg⁻¹15.9 cmol kg⁻¹1.4 cmol kg⁻¹1.5 cmol kg⁻¹  4.9 cmol kg⁻¹15.9 cmol kg⁻¹13.1 cmol kg⁻¹27.4 cmol kg⁻¹
Calcium Carbonate0 %0.4 %0 %0 %  0 %0.4 %0 %0 %
Calcium Sulphate0 %0 %0 %0 %  0 %0 %0 %0 %
Exchangeable Sodium2 %2 %5 %0 %  0 %2 %1 %1 %
Electrical Conductivity0.1 dS m-10.1 dS m-10.1 dS m-10.1 dS m-1  0.1 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