Forêt de Gâvre

Location:France
Area:11,073 acres (4,481 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 %15 %10 %5 %90 %5 %5 %
Soil TypeDystric CambisolsGleyic PodzoluvisolsHaplic LuvisolsUmbric LeptosolsChromic LuvisolsCalcaric RegosolsCalcaric Cambisols
Topsoil TextureMediumMediumMediumMediumMediumMediumMedium
Reference Depth100 cm100 cm100 cm30 cm100 cm100 cm100 cm
DrainageModerately wellPoorModerately wellImperfectlyModerately wellModerately wellModerately well
Available Water Capacity100 m150 m150 m15 mm150 m150 m150 m
Phase 1Stony      
Root Obstacle40 - 60 cmNone to 80 cmNone to 80 cm None to 80 cmNone to 80 cmNone to 80 cm
Impermeable LayerNone to 150 cm80 - 150 cmNone to 150 cm None 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 monthNot wet within 80 cm for over 3 months, nor 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 month
Topsoil Properties
Gravel10 %1 %4 %6 %12 %14 %6 %
Sand42 %32 %41 %49 %48 %44 %36 %
Silt38 %49 %37 %31 %28 %35 %43 %
Clay20 %19 %22 %20 %24 %21 %21 %
USDA TextureLoamLoamLoamLoamLoamLoamLoam
Reference Bulk Density1.41 g/cm³1.4 g/cm³1.4 g/cm³1.43 g/cm³1.4 g/cm³1.41 g/cm³1.39 g/cm³
Bulk Density1.3 g/cm³1.35 g/cm³1.43 g/cm³1.1 g/cm³1.53 g/cm³1.37 g/cm³1.41 g/cm³
Organic Carbon1.45 %2.22 %0.74 %2.4 %0.83 %0.75 %0.65 %
PH5.15.36.55.16.388
Clay Cation Exchange Capacity32 cmol kg⁻¹36 cmol kg⁻¹47 cmol kg⁻¹34 cmol kg⁻¹39 cmol kg⁻¹45 cmol kg⁻¹52 cmol kg⁻¹
Soil Cation Exchange Capacity12 cmol kg⁻¹17 cmol kg⁻¹13 cmol kg⁻¹12 cmol kg⁻¹12 cmol kg⁻¹17 cmol kg⁻¹16 cmol kg⁻¹
Base Saturation38 %55 %91 %36 %88 %100 %100 %
Total Exchangeable Bases4.3 cmol kg⁻¹5.7 cmol kg⁻¹11 cmol kg⁻¹4.7 cmol kg⁻¹10 cmol kg⁻¹26.8 cmol kg⁻¹24.3 cmol kg⁻¹
Calcium Carbonate0 %0 %0 %0 %0 %15 %7 %
Calcium Sulphate0 %0 %0 %0 %0 %0 %0 %
Exchangeable Sodium2 %0 %1 %4 %1 %2 %1 %
Electrical Conductivity0.1 dS m-10.1 dS m-10.1 dS m-10.1 dS m-10.1 dS m-10.2 dS m-10.4 dS m-1
Subsoil Properties
Gravel19 %4 %3 % 8 %18 %10 %
Sand45 %25 %37 % 41 %40 %34 %
Silt35 %51 %34 % 25 %35 %43 %
Clay20 %24 %29 % 34 %25 %23 %
USDA TextureLoamSilt loamClay loam Clay loamLoamLoam
Reference Bulk Density1.42 g/cm³1.35 g/cm³1.35 g/cm³ 1.33 g/cm³1.37 g/cm³1.38 g/cm³
Bulk Density1.36 g/cm³1.6 g/cm³1.51 g/cm³ 1.51 g/cm³1.5 g/cm³1.45 g/cm³
Organic Carbon0.5 %0.5 %0.36 % 0.4 %0.47 %0.43 %
PH5.25.46.7 6.48.18.1
Clay Cation Exchange Capacity35 cmol kg⁻¹40 cmol kg⁻¹50 cmol kg⁻¹ 41 cmol kg⁻¹52 cmol kg⁻¹54 cmol kg⁻¹
Soil Cation Exchange Capacity9 cmol kg⁻¹14 cmol kg⁻¹14 cmol kg⁻¹ 15 cmol kg⁻¹15 cmol kg⁻¹16 cmol kg⁻¹
Base Saturation33 %59 %93 % 90 %100 %100 %
Total Exchangeable Bases2.6 cmol kg⁻¹4.9 cmol kg⁻¹13.1 cmol kg⁻¹ 12 cmol kg⁻¹36.5 cmol kg⁻¹28.7 cmol kg⁻¹
Calcium Carbonate0 %0 %0 % 0 %15 %8.7 %
Calcium Sulphate0 %0 %0 % 0 %0 %0.4 %
Exchangeable Sodium2 %0 %1 % 1 %2 %1 %
Electrical Conductivity0.1 dS m-10.1 dS m-10.1 dS m-1 0.1 dS m-10.3 dS m-10.3 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