GORGES DE LA LOIRE AVAL

Location:France
Area:11,278 acres (4,564 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
 ABCD
     
Share80 %20 %50 %30 %20 %50 %30 %20 %50 %30 %20 %
Soil TypeEutric FluvisolsEutric FluvisolsDystric CambisolsLithic LeptosolsGleyic CambisolsDystric CambisolsGleyic CambisolsGleyic LuvisolsGleyic PodzoluvisolsGleyic LuvisolsHaplic Luvisols
Topsoil TextureMediumMediumCoarseCoarseMediumCoarseCoarseCoarseMediumMediumMedium
Reference Depth100 cm100 cm100 cm10 cm100 cm100 cm100 cm100 cm100 cm100 cm100 cm
DrainagePoorPoorWellModerately wellPoorWellPoorPoorPoorPoorModerately well
Available Water Capacity150 m150 m50 m0 mm150 m100 m75 m100 m100 m100 m150 m
Phase 1  StonyStony       
Root ObstacleNone to 80 cmNone to 80 cm40 - 60 cm None to 80 cm40 - 60 cm60 - 80 cmNone to 80 cmNone to 80 cmNone to 80 cmNone to 80 cm
Impermeable LayerNone to 150 cm80 - 150 cmNone to 150 cm 80 - 150 cmNone to 150 cm40 - 80 cm40 - 80 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 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 monthNot 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 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 %10 %21 %4 %10 %5 %4 %1 %5 %4 %
Sand39 %39 %75 %73 %45 %75 %76 %80 %32 %47 %41 %
Silt40 %40 %15 %18 %36 %15 %13 %11 %49 %29 %37 %
Clay21 %21 %10 %9 %19 %10 %11 %9 %19 %24 %22 %
USDA TextureLoamLoamSandy loamSandy loamLoamSandy loamSandy loamLoamy sandLoamLoamLoam
Reference Bulk Density1.4 g/cm³1.4 g/cm³1.58 g/cm³1.59 g/cm³1.42 g/cm³1.58 g/cm³1.56 g/cm³1.6 g/cm³1.4 g/cm³1.39 g/cm³1.4 g/cm³
Bulk Density1.36 g/cm³1.36 g/cm³1.49 g/cm³1.45 g/cm³1.41 g/cm³1.49 g/cm³1.31 g/cm³1.44 g/cm³1.35 g/cm³1.54 g/cm³1.43 g/cm³
Organic Carbon0.86 %0.86 %0.7 %1.4 %1 %0.7 %0.79 %0.63 %2.22 %0.83 %0.74 %
PH7.27.25.17.56.45.16.26.55.36.36.5
Clay Cation Exchange Capacity63 cmol kg⁻¹63 cmol kg⁻¹21 cmol kg⁻¹85 cmol kg⁻¹38 cmol kg⁻¹21 cmol kg⁻¹40 cmol kg⁻¹54 cmol kg⁻¹36 cmol kg⁻¹46 cmol kg⁻¹47 cmol kg⁻¹
Soil Cation Exchange Capacity16 cmol kg⁻¹16 cmol kg⁻¹5 cmol kg⁻¹12 cmol kg⁻¹9 cmol kg⁻¹5 cmol kg⁻¹7 cmol kg⁻¹6 cmol kg⁻¹17 cmol kg⁻¹16 cmol kg⁻¹13 cmol kg⁻¹
Base Saturation91 %91 %28 %86 %85 %28 %71 %83 %55 %93 %91 %
Total Exchangeable Bases16.9 cmol kg⁻¹16.9 cmol kg⁻¹1.5 cmol kg⁻¹5.2 cmol kg⁻¹8.2 cmol kg⁻¹1.5 cmol kg⁻¹7.1 cmol kg⁻¹6.1 cmol kg⁻¹5.7 cmol kg⁻¹14.9 cmol kg⁻¹11 cmol kg⁻¹
Calcium Carbonate0.5 %0.5 %0 %0 %0 %0 %0 %0.1 %0 %0 %0 %
Calcium Sulphate0 %0 %0 %0 %0 %0 %0 %0.1 %0 %0 %0 %
Exchangeable Sodium2 %2 %5 %1 %2 %5 %3 %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-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
Gravel7 %7 %9 % 18 %9 %8 %5 %4 %6 %3 %
Sand41 %41 %68 % 39 %68 %62 %68 %25 %39 %37 %
Silt38 %38 %17 % 34 %17 %15 %10 %51 %27 %34 %
Clay21 %21 %15 % 27 %15 %23 %22 %24 %34 %29 %
USDA TextureLoamLoamSandy loam Clay loamSandy loamSandy clay loamSandy clay loamSilt loamClay loamClay loam
Reference Bulk Density1.4 g/cm³1.4 g/cm³1.51 g/cm³ 1.36 g/cm³1.51 g/cm³1.43 g/cm³1.45 g/cm³1.35 g/cm³1.33 g/cm³1.35 g/cm³
Bulk Density1.39 g/cm³1.39 g/cm³1.5 g/cm³ 1.6 g/cm³1.5 g/cm³1.44 g/cm³1.55 g/cm³1.6 g/cm³1.65 g/cm³1.51 g/cm³
Organic Carbon0.38 %0.38 %0.27 % 0.47 %0.27 %0.41 %0.3 %0.5 %0.28 %0.36 %
PH7.57.55 6.756.16.45.476.7
Clay Cation Exchange Capacity61 cmol kg⁻¹61 cmol kg⁻¹31 cmol kg⁻¹ 37 cmol kg⁻¹31 cmol kg⁻¹32 cmol kg⁻¹43 cmol kg⁻¹40 cmol kg⁻¹44 cmol kg⁻¹50 cmol kg⁻¹
Soil Cation Exchange Capacity14 cmol kg⁻¹14 cmol kg⁻¹5 cmol kg⁻¹ 11 cmol kg⁻¹5 cmol kg⁻¹12 cmol kg⁻¹9 cmol kg⁻¹14 cmol kg⁻¹16 cmol kg⁻¹14 cmol kg⁻¹
Base Saturation96 %96 %36 % 88 %36 %77 %80 %59 %99 %93 %
Total Exchangeable Bases15.2 cmol kg⁻¹15.2 cmol kg⁻¹1.4 cmol kg⁻¹ 11.3 cmol kg⁻¹1.4 cmol kg⁻¹8.9 cmol kg⁻¹5.9 cmol kg⁻¹4.9 cmol kg⁻¹15.9 cmol kg⁻¹13.1 cmol kg⁻¹
Calcium Carbonate2.5 %2.5 %0 % 0.1 %0 %0 %0.1 %0 %0.4 %0 %
Calcium Sulphate0 %0 %0 % 0 %0 %0 %0.1 %0 %0 %0 %
Exchangeable Sodium3 %3 %5 % 2 %5 %3 %1 %0 %2 %1 %
Electrical Conductivity0.1 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-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