Bassin de la Semois du Maka à Bouillon (Bouillon)

Location:Belgium
Area:2,199 acres (890 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

Soils

Protected Area Boundary
 AB
   
Share85 %10 %5 %85 %10 %5 %
Soil TypeDystric CambisolsCambic PodzolsLithic LeptosolsDystric CambisolsGleyic CambisolsUmbric Leptosols
Topsoil TextureMediumMediumMediumMediumMediumMedium
Reference Depth100 cm100 cm10 cm100 cm100 cm30 cm
DrainageModerately wellModerately wellImperfectlyModerately wellPoorImperfectly
Available Water Capacity50 m50 m15 mm50 m150 m15 mm
Phase 1GravellyGravelly StonyFragipanStony
Phase 2   Gravelly  
Root ObstacleNone to 80 cmNone to 80 cm 60 - 80 cm40 - 60 cm 
Impermeable Layer80 - 150 cmNone to 150 cm None to 150 cm80 - 150 cm 
Soil Water RegimeNot 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 Not wet within 80 cm for over 3 months, nor wet within 40 cm for over 1 monthWet within 80 cm over 6 months, but not wet within 40 cm for over 11 month 
Topsoil Properties
Gravel10 %15 %21 %10 %4 %6 %
Sand42 %48 %42 %42 %45 %49 %
Silt38 %40 %34 %38 %36 %31 %
Clay20 %12 %24 %20 %19 %20 %
USDA TextureLoamLoamLoamLoamLoamLoam
Reference Bulk Density1.41 g/cm³1.5 g/cm³1.38 g/cm³1.41 g/cm³1.42 g/cm³1.43 g/cm³
Bulk Density1.3 g/cm³0.96 g/cm³1.3 g/cm³1.3 g/cm³1.41 g/cm³1.1 g/cm³
Organic Carbon1.45 %3.15 %1.61 %1.45 %1 %2.4 %
PH5.157.55.16.45.1
Clay Cation Exchange Capacity32 cmol kg⁻¹66 cmol kg⁻¹42 cmol kg⁻¹32 cmol kg⁻¹38 cmol kg⁻¹34 cmol kg⁻¹
Soil Cation Exchange Capacity12 cmol kg⁻¹17 cmol kg⁻¹16 cmol kg⁻¹12 cmol kg⁻¹9 cmol kg⁻¹12 cmol kg⁻¹
Base Saturation38 %10 %100 %38 %85 %36 %
Total Exchangeable Bases4.3 cmol kg⁻¹4.4 cmol kg⁻¹15.5 cmol kg⁻¹4.3 cmol kg⁻¹8.2 cmol kg⁻¹4.7 cmol kg⁻¹
Calcium Carbonate0 %0 %3.9 %0 %0 %0 %
Calcium Sulphate0 %0 %0 %0 %0 %0 %
Exchangeable Sodium2 %0 %3 %2 %2 %4 %
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-1
Subsoil Properties
Gravel19 %17 % 19 %18 % 
Sand45 %55 % 45 %39 % 
Silt35 %33 % 35 %34 % 
Clay20 %12 % 20 %27 % 
USDA TextureLoamSandy loam LoamClay loam 
Reference Bulk Density1.42 g/cm³1.51 g/cm³ 1.42 g/cm³1.36 g/cm³ 
Bulk Density1.36 g/cm³1.29 g/cm³ 1.36 g/cm³1.6 g/cm³ 
Organic Carbon0.5 %1.13 % 0.5 %0.47 % 
PH5.25.1 5.26.7 
Clay Cation Exchange Capacity35 cmol kg⁻¹65 cmol kg⁻¹ 35 cmol kg⁻¹37 cmol kg⁻¹ 
Soil Cation Exchange Capacity9 cmol kg⁻¹13 cmol kg⁻¹ 9 cmol kg⁻¹11 cmol kg⁻¹ 
Base Saturation33 %13 % 33 %88 % 
Total Exchangeable Bases2.6 cmol kg⁻¹0.8 cmol kg⁻¹ 2.6 cmol kg⁻¹11.3 cmol kg⁻¹ 
Calcium Carbonate0 %0 % 0 %0.1 % 
Calcium Sulphate0 %0 % 0 %0 % 
Exchangeable Sodium2 %0 % 2 %2 % 
Electrical Conductivity0.1 dS m-10.1 dS m-1 0.1 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