Umgeni River

Location:Kwazulu Natal, South Africa
Area:2,372 acres (960 hectares)
Species:All  Endangered  Invasive
Climate:View Climate Data
Land Use:View Land Use Data
Köppen climate classification:Cwb (Climate: warm temperate; Precipitation: winter dry; Temperature: warm summer)

Ecoregions

Drakensberg montane grasslands, woodlands and forests

Soils

Protected Area Boundary
 A
  
Share65 %19 %10 %6 %
Soil TypeHaplic AcrisolsDystric LeptosolsDystric LeptosolsHaplic Acrisols
Topsoil TextureMediumMediumMediumMedium
Reference Depth100 cm30 cm30 cm100 cm
DrainageModerately wellImperfectlyImperfectlyModerately well
Available Water Capacity150 m50 mm50 mm150 m
Topsoil Properties
Gravel1 %20 %20 %1 %
Sand57 %53 %53 %57 %
Silt19 %26 %26 %19 %
Clay24 %21 %21 %24 %
USDA TextureSandy clay loamSandy clay loamSandy clay loamSandy clay loam
Reference Bulk Density1.41 g/cm³1.42 g/cm³1.42 g/cm³1.41 g/cm³
Bulk Density1.4 g/cm³1.45 g/cm³1.45 g/cm³1.4 g/cm³
Organic Carbon0.8 %0.75 %0.75 %0.8 %
PH5.15.15.15.1
Clay Cation Exchange Capacity11 cmol kg⁻¹15 cmol kg⁻¹15 cmol kg⁻¹11 cmol kg⁻¹
Soil Cation Exchange Capacity5 cmol kg⁻¹6 cmol kg⁻¹6 cmol kg⁻¹5 cmol kg⁻¹
Base Saturation51 %38 %38 %51 %
Total Exchangeable Bases2.6 cmol kg⁻¹2.3 cmol kg⁻¹2.3 cmol kg⁻¹2.6 cmol kg⁻¹
Calcium Carbonate0 %0 %0 %0 %
Calcium Sulphate0 %0 %0 %0 %
Exchangeable Sodium2 %2 %2 %2 %
Electrical Conductivity0 dS m-10 dS m-10 dS m-10 dS m-1
Subsoil Properties
Gravel1 %  1 %
Sand48 %  48 %
Silt17 %  17 %
Clay35 %  35 %
USDA TextureSandy clay  Sandy clay
Reference Bulk Density1.34 g/cm³  1.34 g/cm³
Bulk Density1.4 g/cm³  1.4 g/cm³
Organic Carbon0.36 %  0.36 %
PH5  5
Clay Cation Exchange Capacity10 cmol kg⁻¹  10 cmol kg⁻¹
Soil Cation Exchange Capacity5 cmol kg⁻¹  5 cmol kg⁻¹
Base Saturation35 %  35 %
Total Exchangeable Bases1.8 cmol kg⁻¹  1.8 cmol kg⁻¹
Calcium Carbonate0 %  0 %
Calcium Sulphate0 %  0 %
Exchangeable Sodium2 %  2 %
Electrical Conductivity0 dS m-1  0 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