Sundown National Park
— Protected Area Boundary | A | B | C | D | | | | | | Share | 34 % | 33 % | 33 % | 60 % | 20 % | 20 % | 15 % | 15 % | 20 % | 20 % | 10 % | 10 % | 10 % | 40 % | 30 % | 10 % | 10 % | 10 % | Soil Type | Lithosols | Calcic Xerosols | Regosols | Humic Podzols | Dystric Regosols | Orthic Podzols | Solodic Planosols | Solodic Planosols | Regosols | Lithosols | Orthic Solonetz | Orthic Luvisols | Chromic Luvisols | Solodic Planosols | Dystric Planosols | Orthic Solonetz | Dystric Regosols | Podzols | Topsoil Texture | Medium | Medium | Medium | Coarse | Medium | Coarse | Coarse | Medium | Medium | Medium | Medium | Medium | Medium | Coarse | Medium | Medium | Medium | Coarse | Reference Depth | 10 cm | 100 cm | 100 cm | 100 cm | 100 cm | 100 cm | 100 cm | 100 cm | 100 cm | 10 cm | 100 cm | 100 cm | 100 cm | 100 cm | 100 cm | 100 cm | 100 cm | 100 cm | Drainage | Imperfectly | Moderately well | Moderately well | Somewhat excessive | Moderately well | Somewhat excessive | Poor | Poor | Moderately well | Imperfectly | Moderately well | Moderately well | Moderately well | Poor | Poor | Moderately well | Moderately well | Somewhat excessive | Available Water Capacity | 15 mm | 150 m | 150 m | 100 m | 150 m | 100 m | 150 m | 150 m | 150 m | 15 mm | 150 m | 150 m | 150 m | 150 m | 150 m | 150 m | 150 m | 100 m | Topsoil Properties | Gravel | 26 % | 4 % | 24 % | 3 % | 20 % | 4 % | 4 % | 4 % | 24 % | 26 % | 6 % | 4 % | 9 % | 4 % | 4 % | 6 % | 20 % | 3 % | Sand | 43 % | 40 % | 44 % | 90 % | 42 % | 85 % | 76 % | 41 % | 44 % | 43 % | 47 % | 47 % | 47 % | 76 % | 41 % | 47 % | 42 % | 87 % | Silt | 34 % | 37 % | 36 % | 7 % | 37 % | 11 % | 13 % | 35 % | 36 % | 34 % | 28 % | 32 % | 29 % | 13 % | 39 % | 28 % | 37 % | 9 % | Clay | 23 % | 23 % | 20 % | 3 % | 21 % | 4 % | 11 % | 24 % | 20 % | 23 % | 25 % | 21 % | 24 % | 11 % | 20 % | 25 % | 21 % | 4 % | USDA Texture | Loam | Loam | Loam | Sand | Loam | Loamy sand | Sandy loam | Loam | Loam | Loam | Loam | Loam | Loam | Sandy loam | Loam | Loam | Loam | Loamy sand | Reference Bulk Density | 1.39 g/cm³ | 1.39 g/cm³ | 1.41 g/cm³ | 1.78 g/cm³ | 1.4 g/cm³ | 1.73 g/cm³ | 1.56 g/cm³ | 1.38 g/cm³ | 1.41 g/cm³ | 1.39 g/cm³ | 1.39 g/cm³ | 1.41 g/cm³ | 1.39 g/cm³ | 1.56 g/cm³ | 1.41 g/cm³ | 1.39 g/cm³ | 1.4 g/cm³ | 1.73 g/cm³ | Bulk Density | 1.3 g/cm³ | 1.31 g/cm³ | 1.37 g/cm³ | 1.4 g/cm³ | 1.37 g/cm³ | 1.36 g/cm³ | 1.46 g/cm³ | 1.38 g/cm³ | 1.37 g/cm³ | 1.3 g/cm³ | 1.53 g/cm³ | 1.42 g/cm³ | 1.54 g/cm³ | 1.46 g/cm³ | 1.38 g/cm³ | 1.53 g/cm³ | 1.37 g/cm³ | 1.4 g/cm³ | Organic Carbon | 1.4 % | 0.56 % | 1.12 % | 2.85 % | 1.37 % | 2.09 % | 0.45 % | 0.85 % | 1.12 % | 1.4 % | 0.66 % | 0.82 % | 0.86 % | 0.45 % | 1.21 % | 0.66 % | 1.37 % | 2.08 % | PH | 7.6 | 7.9 | 6.4 | 4.4 | 5.1 | 4.5 | 6.2 | 6.3 | 6.4 | 7.6 | 8.1 | 6.2 | 6.4 | 6.2 | 4.5 | 8.1 | 5.1 | 4.4 | Clay Cation Exchange Capacity | 42 cmol kg⁻¹ | 93 cmol kg⁻¹ | 38 cmol kg⁻¹ | 29 cmol kg⁻¹ | 23 cmol kg⁻¹ | 98 cmol kg⁻¹ | 40 cmol kg⁻¹ | 34 cmol kg⁻¹ | 38 cmol kg⁻¹ | 42 cmol kg⁻¹ | 46 cmol kg⁻¹ | 35 cmol kg⁻¹ | 38 cmol kg⁻¹ | 40 cmol kg⁻¹ | 23 cmol kg⁻¹ | 46 cmol kg⁻¹ | 23 cmol kg⁻¹ | 73 cmol kg⁻¹ | Soil Cation Exchange Capacity | 15 cmol kg⁻¹ | 18 cmol kg⁻¹ | 11 cmol kg⁻¹ | 4 cmol kg⁻¹ | 11 cmol kg⁻¹ | 10 cmol kg⁻¹ | 6 cmol kg⁻¹ | 10 cmol kg⁻¹ | 11 cmol kg⁻¹ | 15 cmol kg⁻¹ | 16 cmol kg⁻¹ | 11 cmol kg⁻¹ | 12 cmol kg⁻¹ | 6 cmol kg⁻¹ | 7 cmol kg⁻¹ | 16 cmol kg⁻¹ | 11 cmol kg⁻¹ | 5 cmol kg⁻¹ | Base Saturation | 100 % | 100 % | 76 % | 18 % | 22 % | 16 % | 77 % | 73 % | 76 % | 100 % | 100 % | 88 % | 89 % | 77 % | 30 % | 100 % | 22 % | 16 % | Total Exchangeable Bases | 15.6 cmol kg⁻¹ | 33.2 cmol kg⁻¹ | 9.5 cmol kg⁻¹ | 2.5 cmol kg⁻¹ | 2.6 cmol kg⁻¹ | 2.5 cmol kg⁻¹ | 5.1 cmol kg⁻¹ | 8.4 cmol kg⁻¹ | 9.5 cmol kg⁻¹ | 15.6 cmol kg⁻¹ | 21.1 cmol kg⁻¹ | 8.3 cmol kg⁻¹ | 10 cmol kg⁻¹ | 5.1 cmol kg⁻¹ | 9.2 cmol kg⁻¹ | 21.1 cmol kg⁻¹ | 2.6 cmol kg⁻¹ | 2.4 cmol kg⁻¹ | Calcium Carbonate | 3.9 % | 9 % | 0 % | 0 % | 0 % | 0 % | 0 % | 0 % | 0 % | 3.9 % | 5.8 % | 0 % | 0 % | 0 % | 0 % | 5.8 % | 0 % | 0 % | Calcium Sulphate | 0 % | 0.4 % | 0 % | 0 % | 0 % | 0 % | 0 % | 0 % | 0 % | 0 % | 0 % | 0 % | 0 % | 0 % | 0 % | 0 % | 0 % | 0 % | Exchangeable Sodium | 4 % | 3 % | 2 % | 1 % | 2 % | 1 % | 6 % | 5 % | 2 % | 4 % | 13 % | 1 % | 1 % | 6 % | 2 % | 13 % | 2 % | 1 % | Electrical Conductivity | 0.1 dS m-1 | 0.8 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | 0.6 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | 0.6 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | Subsoil Properties | Gravel | | 4 % | 28 % | 3 % | 35 % | 5 % | 7 % | 4 % | 28 % | | 8 % | 5 % | 8 % | 7 % | 4 % | 8 % | 35 % | 3 % | Sand | | 37 % | 44 % | 89 % | 44 % | 84 % | 59 % | 36 % | 44 % | | 40 % | 40 % | 39 % | 59 % | 28 % | 40 % | 44 % | 86 % | Silt | | 36 % | 35 % | 7 % | 35 % | 11 % | 13 % | 22 % | 35 % | | 27 % | 29 % | 27 % | 13 % | 31 % | 27 % | 35 % | 9 % | Clay | | 27 % | 21 % | 4 % | 21 % | 5 % | 28 % | 42 % | 21 % | | 33 % | 31 % | 34 % | 28 % | 41 % | 33 % | 21 % | 5 % | USDA Texture | | Clay loam | Loam | Sand | Loam | Loamy sand | Sandy clay loam | Clay | Loam | | Clay loam | Clay loam | Clay loam | Sandy clay loam | Clay | Clay loam | Loam | Loamy sand | Reference Bulk Density | | 1.36 g/cm³ | 1.41 g/cm³ | 1.74 g/cm³ | 1.41 g/cm³ | 1.7 g/cm³ | 1.39 g/cm³ | 1.29 g/cm³ | 1.41 g/cm³ | | 1.33 g/cm³ | 1.34 g/cm³ | 1.33 g/cm³ | 1.39 g/cm³ | 1.28 g/cm³ | 1.33 g/cm³ | 1.41 g/cm³ | 1.7 g/cm³ | Bulk Density | | 1.33 g/cm³ | 1.53 g/cm³ | 1.59 g/cm³ | 1.53 g/cm³ | 1.51 g/cm³ | 1.63 g/cm³ | 1.41 g/cm³ | 1.53 g/cm³ | | 1.58 g/cm³ | 1.5 g/cm³ | 1.52 g/cm³ | 1.63 g/cm³ | 1.41 g/cm³ | 1.58 g/cm³ | 1.53 g/cm³ | 1.57 g/cm³ | Organic Carbon | | 0.33 % | 0.48 % | 0.48 % | 0.6 % | 0.59 % | 0.22 % | 0.43 % | 0.48 % | | 0.29 % | 0.39 % | 0.38 % | 0.22 % | 0.36 % | 0.29 % | 0.6 % | 0.51 % | PH | | 8 | 6.9 | 4.8 | 4.9 | 4.8 | 6.6 | 6.9 | 6.9 | | 8.5 | 6.2 | 6.3 | 6.6 | 4.8 | 8.5 | 4.9 | 4.8 | Clay Cation Exchange Capacity | | 65 cmol kg⁻¹ | 38 cmol kg⁻¹ | 33 cmol kg⁻¹ | 18 cmol kg⁻¹ | 63 cmol kg⁻¹ | 40 cmol kg⁻¹ | 39 cmol kg⁻¹ | 38 cmol kg⁻¹ | | 57 cmol kg⁻¹ | 33 cmol kg⁻¹ | 40 cmol kg⁻¹ | 40 cmol kg⁻¹ | 20 cmol kg⁻¹ | 57 cmol kg⁻¹ | 18 cmol kg⁻¹ | 52 cmol kg⁻¹ | Soil Cation Exchange Capacity | | 20 cmol kg⁻¹ | 9 cmol kg⁻¹ | 2 cmol kg⁻¹ | 6 cmol kg⁻¹ | 4 cmol kg⁻¹ | 11 cmol kg⁻¹ | 15 cmol kg⁻¹ | 9 cmol kg⁻¹ | | 19 cmol kg⁻¹ | 12 cmol kg⁻¹ | 15 cmol kg⁻¹ | 11 cmol kg⁻¹ | 9 cmol kg⁻¹ | 19 cmol kg⁻¹ | 6 cmol kg⁻¹ | 3 cmol kg⁻¹ | Base Saturation | | 100 % | 100 % | 21 % | 25 % | 23 % | 86 % | 81 % | 100 % | | 100 % | 87 % | 93 % | 86 % | 57 % | 100 % | 25 % | 21 % | Total Exchangeable Bases | | 41.4 cmol kg⁻¹ | 8 cmol kg⁻¹ | 1.3 cmol kg⁻¹ | 2.1 cmol kg⁻¹ | 1.6 cmol kg⁻¹ | 13 cmol kg⁻¹ | 12.5 cmol kg⁻¹ | 8 cmol kg⁻¹ | | 35.7 cmol kg⁻¹ | 9.6 cmol kg⁻¹ | 12.3 cmol kg⁻¹ | 13 cmol kg⁻¹ | 15.8 cmol kg⁻¹ | 35.7 cmol kg⁻¹ | 2.1 cmol kg⁻¹ | 1.4 cmol kg⁻¹ | Calcium Carbonate | | 9 % | 0 % | 0 % | 0 % | 0 % | 1.8 % | 2.4 % | 0 % | | 7.4 % | 0 % | 0 % | 1.8 % | 0 % | 7.4 % | 0 % | 0 % | Calcium Sulphate | | 0.3 % | 0 % | 0 % | 0 % | 0 % | 0 % | 0 % | 0 % | | 0.1 % | 0 % | 0 % | 0 % | 0 % | 0.1 % | 0 % | 0 % | Exchangeable Sodium | | 7 % | 1 % | 0 % | 2 % | 2 % | 23 % | 12 % | 1 % | | 39 % | 1 % | 1 % | 23 % | 2 % | 39 % | 2 % | 2 % | Electrical Conductivity | | 1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | | 2.7 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | 2.7 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 |
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