Oberlauf der Rur

Location:Germany
Area:2,318 acres (938 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
   
Share90 %10 %85 %10 %5 %
Soil TypeDystric CambisolsUmbric LeptosolsDystric CambisolsGleyic CambisolsUmbric Leptosols
Topsoil TextureMediumMediumMediumMediumMedium
Reference Depth100 cm30 cm100 cm100 cm30 cm
DrainageModerately wellImperfectlyModerately wellPoorImperfectly
Available Water Capacity100 m15 mm50 m150 m15 mm
Phase 1StonyStonyStonyFragipanStony
Phase 2  Gravelly  
Root ObstacleNone to 80 cm 60 - 80 cm40 - 60 cm 
Impermeable LayerNone 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 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 %6 %10 %4 %6 %
Sand42 %49 %42 %45 %49 %
Silt38 %31 %38 %36 %31 %
Clay20 %20 %20 %19 %20 %
USDA TextureLoamLoamLoamLoamLoam
Reference Bulk Density1.41 g/cm³1.43 g/cm³1.41 g/cm³1.42 g/cm³1.43 g/cm³
Bulk Density1.3 g/cm³1.1 g/cm³1.3 g/cm³1.41 g/cm³1.1 g/cm³
Organic Carbon1.45 %2.4 %1.45 %1 %2.4 %
PH5.15.15.16.45.1
Clay Cation Exchange Capacity32 cmol kg⁻¹34 cmol kg⁻¹32 cmol kg⁻¹38 cmol kg⁻¹34 cmol kg⁻¹
Soil Cation Exchange Capacity12 cmol kg⁻¹12 cmol kg⁻¹12 cmol kg⁻¹9 cmol kg⁻¹12 cmol kg⁻¹
Base Saturation38 %36 %38 %85 %36 %
Total Exchangeable Bases4.3 cmol kg⁻¹4.7 cmol kg⁻¹4.3 cmol kg⁻¹8.2 cmol kg⁻¹4.7 cmol kg⁻¹
Calcium Carbonate0 %0 %0 %0 %0 %
Calcium Sulphate0 %0 %0 %0 %0 %
Exchangeable Sodium2 %4 %2 %2 %4 %
Electrical Conductivity0.1 dS m-10.1 dS m-10.1 dS m-10.1 dS m-10.1 dS m-1
Subsoil Properties
Gravel19 % 19 %18 % 
Sand45 % 45 %39 % 
Silt35 % 35 %34 % 
Clay20 % 20 %27 % 
USDA TextureLoam LoamClay loam 
Reference Bulk Density1.42 g/cm³ 1.42 g/cm³1.36 g/cm³ 
Bulk Density1.36 g/cm³ 1.36 g/cm³1.6 g/cm³ 
Organic Carbon0.5 % 0.5 %0.47 % 
PH5.2 5.26.7 
Clay Cation Exchange Capacity35 cmol kg⁻¹ 35 cmol kg⁻¹37 cmol kg⁻¹ 
Soil Cation Exchange Capacity9 cmol kg⁻¹ 9 cmol kg⁻¹11 cmol kg⁻¹ 
Base Saturation33 % 33 %88 % 
Total Exchangeable Bases2.6 cmol kg⁻¹ 2.6 cmol kg⁻¹11.3 cmol kg⁻¹ 
Calcium Carbonate0 % 0 %0.1 % 
Calcium Sulphate0 % 0 %0 % 
Exchangeable Sodium2 % 2 %2 % 
Electrical Conductivity0.1 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