Röllbachschlucht und Lateswald bei Nennig

Area:645 acres (261 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


Western European broadleaf forests


Protected Area Boundary
Share70 %25 %5 %
Soil TypeVertic CambisolsStagnic LuvisolsLithic Leptosols
Topsoil TextureFineFineFine
Reference Depth100 cm100 cm10 cm
Available Water Capacity50 m100 m15 mm
Phase 1LithicStony 
Root ObstacleNone to 80 cmNone to 80 cm 
Impermeable LayerNone to 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 month 
Misc. PropertyVertic (cracks of more than 1 cm wide)  
Topsoil Properties
Gravel2 %4 %17 %
Sand20 %25 %28 %
Silt29 %22 %25 %
Clay51 %53 %47 %
USDA TextureClayClayClay
Reference Bulk Density1.23 g/cm³1.24 g/cm³1.26 g/cm³
Bulk Density1.43 g/cm³1.3 g/cm³1.4 g/cm³
Organic Carbon0.96 %0.93 %2.3 %
Clay Cation Exchange Capacity54 cmol kg⁻¹39 cmol kg⁻¹33 cmol kg⁻¹
Soil Cation Exchange Capacity36 cmol kg⁻¹27 cmol kg⁻¹35 cmol kg⁻¹
Base Saturation94 %100 %100 %
Total Exchangeable Bases27.4 cmol kg⁻¹23 cmol kg⁻¹37.6 cmol kg⁻¹
Calcium Carbonate0.3 %0 %1.4 %
Calcium Sulphate0 %0 %0 %
Exchangeable Sodium1 %4 %1 %
Electrical Conductivity0.1 dS m-10.1 dS m-10.4 dS m-1
Subsoil Properties
Gravel4 %8 % 
Sand18 %23 % 
Silt29 %21 % 
Clay53 %56 % 
USDA TextureClayClay 
Reference Bulk Density1.22 g/cm³1.22 g/cm³ 
Bulk Density1.46 g/cm³1.32 g/cm³ 
Organic Carbon0.43 %0.54 % 
Clay Cation Exchange Capacity61 cmol kg⁻¹38 cmol kg⁻¹ 
Soil Cation Exchange Capacity35 cmol kg⁻¹17 cmol kg⁻¹ 
Base Saturation99 %100 % 
Total Exchangeable Bases34.3 cmol kg⁻¹25.9 cmol kg⁻¹ 
Calcium Carbonate4 %0.4 % 
Calcium Sulphate0 %0 % 
Exchangeable Sodium2 %1 % 
Electrical Conductivity0.1 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