Wilderness National Park
| Location: | Western Cape, South Africa | | IUCN Category: | II | | Area: | 5,929 acres (2,399 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) |
— Protected Area Boundary | | A | B | | | | | | Share | 57 % | 29 % | 14 % | 33 % | 26 % | 5 % | 16 % | 9 % | 11 % | | Soil Type | Lithic Leptosols | Haplic Luvisols | Lithic Leptosols | Albic Arenosols | Albic Arenosols | Petric Calcisols | Albic Arenosols | Eutric Plinthosols | Albic Arenosols | | Topsoil Texture | Medium | Medium | Medium | Coarse | Coarse | Medium | Coarse | Medium | Coarse | | Reference Depth | 10 cm | 100 cm | 10 cm | 100 cm | 100 cm | 100 cm | 100 cm | 100 cm | 100 cm | | Drainage | Imperfectly | Moderately well | Imperfectly | Somewhat excessive | Somewhat excessive | Moderately well | Somewhat excessive | Poor | Somewhat excessive | | Available Water Capacity | 15 mm | 150 m | 15 mm | 100 m | 100 m | 150 m | 100 m | 150 m | 100 m | | Misc. Property | | | | | | Petric (strongly cemented or indurated layer starting within 100 cm) | | | | | Topsoil Properties | | Gravel | 20 % | 1 % | 20 % | 1 % | 1 % | 1 % | 1 % | 1 % | 1 % | | Sand | 43 % | 54 % | 43 % | 86 % | 86 % | 62 % | 86 % | 65 % | 86 % | | Silt | 29 % | 25 % | 29 % | 9 % | 9 % | 18 % | 9 % | 18 % | 9 % | | Clay | 28 % | 21 % | 28 % | 5 % | 5 % | 20 % | 5 % | 17 % | 5 % | | USDA Texture | Clay loam | Sandy clay loam | Clay loam | Loamy sand | Loamy sand | Sandy clay loam | Loamy sand | Sandy loam | Loamy sand | | Reference Bulk Density | 1.36 g/cm³ | 1.42 g/cm³ | 1.36 g/cm³ | 1.69 g/cm³ | 1.69 g/cm³ | 1.44 g/cm³ | 1.69 g/cm³ | 1.47 g/cm³ | 1.69 g/cm³ | | Bulk Density | 1.31 g/cm³ | 1.43 g/cm³ | 1.31 g/cm³ | 1.54 g/cm³ | 1.54 g/cm³ | 1.42 g/cm³ | 1.54 g/cm³ | 1.5 g/cm³ | 1.54 g/cm³ | | Organic Carbon | 0.39 % | 0.6 % | 0.39 % | 0.37 % | 0.37 % | 0.46 % | 0.37 % | 0.56 % | 0.37 % | | PH | 7.5 | 6.5 | 7.5 | 5.4 | 5.4 | 8 | 5.4 | 6.1 | 5.4 | | Clay Cation Exchange Capacity | 51 cmol kg⁻¹ | 41 cmol kg⁻¹ | 51 cmol kg⁻¹ | 35 cmol kg⁻¹ | 35 cmol kg⁻¹ | 38 cmol kg⁻¹ | 35 cmol kg⁻¹ | 17 cmol kg⁻¹ | 35 cmol kg⁻¹ | | Soil Cation Exchange Capacity | 16 cmol kg⁻¹ | 11 cmol kg⁻¹ | 16 cmol kg⁻¹ | 3 cmol kg⁻¹ | 3 cmol kg⁻¹ | 9 cmol kg⁻¹ | 3 cmol kg⁻¹ | 6 cmol kg⁻¹ | 3 cmol kg⁻¹ | | Base Saturation | 100 % | 89 % | 100 % | 62 % | 62 % | 100 % | 62 % | 80 % | 62 % | | Total Exchangeable Bases | 16 cmol kg⁻¹ | 9.8 cmol kg⁻¹ | 16 cmol kg⁻¹ | 1.9 cmol kg⁻¹ | 1.9 cmol kg⁻¹ | 9 cmol kg⁻¹ | 1.9 cmol kg⁻¹ | 4.8 cmol kg⁻¹ | 1.9 cmol kg⁻¹ | | Calcium Carbonate | 3.1 % | 0.5 % | 3.1 % | 0 % | 0 % | 13.1 % | 0 % | 0.5 % | 0 % | | Calcium Sulphate | 0.1 % | 0 % | 0.1 % | 0 % | 0 % | 0.1 % | 0 % | 0 % | 0 % | | Exchangeable Sodium | 1 % | 2 % | 1 % | 3 % | 3 % | 3 % | 3 % | 2 % | 3 % | | Electrical Conductivity | 0.4 dS m-1 | 0 dS m-1 | 0.4 dS m-1 | 0 dS m-1 | 0 dS m-1 | 0.3 dS m-1 | 0 dS m-1 | 0 dS m-1 | 0 dS m-1 | | Subsoil Properties | | Gravel | | 1 % | | 1 % | 1 % | 1 % | 1 % | 1 % | 1 % | | Sand | | 49 % | | 88 % | 88 % | 62 % | 88 % | 54 % | 88 % | | Silt | | 24 % | | 8 % | 8 % | 18 % | 8 % | 17 % | 8 % | | Clay | | 27 % | | 4 % | 4 % | 20 % | 4 % | 29 % | 4 % | | USDA Texture | | Sandy clay loam | | Sand | Sand | Sandy clay loam | Sand | Sandy clay loam | Sand | | Reference Bulk Density | | 1.38 g/cm³ | | 1.73 g/cm³ | 1.73 g/cm³ | 1.44 g/cm³ | 1.73 g/cm³ | 1.37 g/cm³ | 1.73 g/cm³ | | Bulk Density | | 1.51 g/cm³ | | 1.56 g/cm³ | 1.56 g/cm³ | 1.35 g/cm³ | 1.56 g/cm³ | 1.6 g/cm³ | 1.56 g/cm³ | | Organic Carbon | | 0.26 % | | 0.14 % | 0.14 % | 0.23 % | 0.14 % | 0.21 % | 0.14 % | | PH | | 6.7 | | 5.5 | 5.5 | 8.1 | 5.5 | 6 | 5.5 | | Clay Cation Exchange Capacity | | 43 cmol kg⁻¹ | | 20 cmol kg⁻¹ | 20 cmol kg⁻¹ | 39 cmol kg⁻¹ | 20 cmol kg⁻¹ | 16 cmol kg⁻¹ | 20 cmol kg⁻¹ | | Soil Cation Exchange Capacity | | 13 cmol kg⁻¹ | | 1 cmol kg⁻¹ | 1 cmol kg⁻¹ | 8 cmol kg⁻¹ | 1 cmol kg⁻¹ | 9 cmol kg⁻¹ | 1 cmol kg⁻¹ | | Base Saturation | | 91 % | | 55 % | 55 % | 100 % | 55 % | 76 % | 55 % | | Total Exchangeable Bases | | 11.8 cmol kg⁻¹ | | 0.6 cmol kg⁻¹ | 0.6 cmol kg⁻¹ | 8 cmol kg⁻¹ | 0.6 cmol kg⁻¹ | 6.8 cmol kg⁻¹ | 0.6 cmol kg⁻¹ | | Calcium Carbonate | | 0.9 % | | 0 % | 0 % | 36.4 % | 0 % | 0.4 % | 0 % | | Calcium Sulphate | | 0.1 % | | 0 % | 0 % | 0.1 % | 0 % | 0 % | 0 % | | Exchangeable Sodium | | 1 % | | 4 % | 4 % | 4 % | 4 % | 2 % | 4 % | | Electrical Conductivity | | 0.1 dS m-1 | | 0 dS m-1 | 0 dS m-1 | 0.4 dS m-1 | 0 dS m-1 | 0 dS m-1 | 0 dS m-1 |
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