Mamili National Park

Location:Namibia
IUCN Category:II
Area:83,904 acres (33,955 hectares)
Species:All  Endangered  Invasive
Climate:View Climate Data
Land Use:View Land Use Data
Köppen climate classification:BSh (Climate: arid; Precipitation: steppe; Temperature: hot arid)

Ecoregions

Zambezian and Mopane woodlands
Zambezian flooded grasslands

Soils

Protected Area Boundary
 AB
   
Share90 %10 %50 %40 %10 %
Soil TypeFerralic ArenosolsPetric CalcisolsEutric FluvisolsGleyic ArenosolsCalcic Gleysols
Topsoil TextureCoarseCoarseCoarseCoarseFine
Reference Depth100 cm100 cm100 cm100 cm100 cm
DrainageSomewhat excessiveWellModerately wellPoorVery poor
Available Water Capacity100 m100 m150 m100 m150 m
Misc. Property Petric (strongly cemented or indurated layer starting within 100 cm)   
Topsoil Properties
Gravel0 %0 %0 %0 %1 %
Sand95 %92 %78 %94 %16 %
Silt2 %5 %12 %2 %24 %
Clay3 %3 %10 %4 %60 %
USDA TextureSandSandSandy loamSandClay (heavy)
Reference Bulk Density1.79 g/cm³1.78 g/cm³1.58 g/cm³1.74 g/cm³1.19 g/cm³
Bulk Density1.52 g/cm³1.49 g/cm³1.35 g/cm³1.48 g/cm³1.29 g/cm³
Organic Carbon0.25 %0.25 %0.5 %0.14 %0.51 %
PH7.36.96.75.97.2
Clay Cation Exchange Capacity 140 cmol kg⁻¹19 cmol kg⁻¹43 cmol kg⁻¹40 cmol kg⁻¹
Soil Cation Exchange Capacity0 cmol kg⁻¹5 cmol kg⁻¹4 cmol kg⁻¹2 cmol kg⁻¹26 cmol kg⁻¹
Base Saturation93 %91 %88 %93 %100 %
Total Exchangeable Bases0 cmol kg⁻¹4.6 cmol kg⁻¹3.5 cmol kg⁻¹1.9 cmol kg⁻¹26 cmol kg⁻¹
Calcium Carbonate1.7 %8.2 %1 %0.2 %2 %
Calcium Sulphate0.1 %0.1 %0.1 %0 %0.1 %
Exchangeable Sodium3 %3 %2 %3 %2 %
Electrical Conductivity2.3 dS m-11.9 dS m-14.1 dS m-10 dS m-10.9 dS m-1
Subsoil Properties
Gravel0 %0 %0 %0 %1 %
Sand89 %82 %74 %93 %14 %
Silt7 %8 %12 %4 %24 %
Clay4 %10 %14 %3 %62 %
USDA TextureSandLoamy sandSandy loamSandClay (heavy)
Reference Bulk Density1.73 g/cm³1.58 g/cm³1.52 g/cm³1.78 g/cm³1.19 g/cm³
Bulk Density1.56 g/cm³1.43 g/cm³1.42 g/cm³1.55 g/cm³1.53 g/cm³
Organic Carbon0.11 %0.23 %0.36 %0 %0.28 %
PH6.37.45.86.57.8
Clay Cation Exchange Capacity0 cmol kg⁻¹75 cmol kg⁻¹27 cmol kg⁻¹85 cmol kg⁻¹40 cmol kg⁻¹
Soil Cation Exchange Capacity0 cmol kg⁻¹7 cmol kg⁻¹5 cmol kg⁻¹3 cmol kg⁻¹26 cmol kg⁻¹
Base Saturation80 %99 %92 %94 %100 %
Total Exchangeable Bases 6.9 cmol kg⁻¹4.6 cmol kg⁻¹2.8 cmol kg⁻¹26 cmol kg⁻¹
Calcium Carbonate0.6 %18.2 %0.3 %0.8 %3 %
Calcium Sulphate0 %0.1 %0 %0 %0.1 %
Exchangeable Sodium4 %4 %3 %4 %10 %
Electrical Conductivity0.1 dS m-11.1 dS m-10.5 dS m-10.1 dS m-10.4 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