Gambia River National Park
— Protected Area Boundary | | A | B | C | | | | | | | Share | 50 % | 50 % | 70 % | 30 % | | | Soil Type | Eutric Gleysols | Eutric Gleysols | Dystric Regosols | Lithic Leptosols | Ferric Acrisols | | Topsoil Texture | Medium | Medium | Medium | Medium | Medium | | Reference Depth | 100 cm | 100 cm | 100 cm | 10 cm | 100 cm | | Drainage | Poor | Poor | Moderately well | Imperfectly | Moderately well | | Available Water Capacity | 150 m | 150 m | 150 m | 15 mm | 150 m | | Topsoil Properties | | Gravel | 5 % | 5 % | 30 % | 53 % | 0 % | | Sand | 57 % | 58 % | 54 % | 57 % | 69 % | | Silt | 18 % | 16 % | 27 % | 19 % | 13 % | | Clay | 25 % | 26 % | 19 % | 24 % | 18 % | | USDA Texture | Sandy clay loam | Sandy clay loam | Sandy loam | Sandy clay loam | Sandy loam | | Reference Bulk Density | 1.41 g/cm³ | 1.4 g/cm³ | 1.44 g/cm³ | 1.41 g/cm³ | 1.48 g/cm³ | | Bulk Density | 1.4 g/cm³ | 1.4 g/cm³ | 1.38 g/cm³ | 1.39 g/cm³ | 1.39 g/cm³ | | Organic Carbon | 0.67 % | 0.67 % | 1.12 % | 0.33 % | 0.57 % | | PH | 6.3 | 6 | 5.1 | 5.3 | 5.8 | | Clay Cation Exchange Capacity | 38 cmol kg⁻¹ | 36 cmol kg⁻¹ | 18 cmol kg⁻¹ | 19 cmol kg⁻¹ | 8 cmol kg⁻¹ | | Soil Cation Exchange Capacity | 12 cmol kg⁻¹ | 12 cmol kg⁻¹ | 8 cmol kg⁻¹ | 6 cmol kg⁻¹ | 3 cmol kg⁻¹ | | Base Saturation | 77 % | 77 % | 18 % | 35 % | 49 % | | Total Exchangeable Bases | 8.9 cmol kg⁻¹ | 9.2 cmol kg⁻¹ | 1.4 cmol kg⁻¹ | 2 cmol kg⁻¹ | 1.6 cmol kg⁻¹ | | Calcium Carbonate | 0 % | 0 % | 0 % | 0 % | 0 % | | Calcium Sulphate | 0.5 % | 0 % | 0 % | 0 % | 0 % | | Exchangeable Sodium | 2 % | 2 % | 2 % | 2 % | 0 % | | Electrical Conductivity | 0 dS m-1 | 0 dS m-1 | 0 dS m-1 | 0 dS m-1 | 0 dS m-1 | | Subsoil Properties | | Gravel | 2 % | 2 % | 35 % | | 0 % | | Sand | 50 % | 49 % | 57 % | | 48 % | | Silt | 19 % | 17 % | 26 % | | 12 % | | Clay | 31 % | 34 % | 17 % | | 40 % | | USDA Texture | Sandy clay loam | Sandy clay loam | Sandy loam | | Sandy clay | | Reference Bulk Density | 1.36 g/cm³ | 1.35 g/cm³ | 1.5 g/cm³ | | 1.3 g/cm³ | | Bulk Density | 1.37 g/cm³ | 1.37 g/cm³ | 1.5 g/cm³ | | 1.41 g/cm³ | | Organic Carbon | 0.24 % | 0.31 % | 0.3 % | | 0.4 % | | PH | 6 | 6.3 | 5.3 | | 5 | | Clay Cation Exchange Capacity | 32 cmol kg⁻¹ | 38 cmol kg⁻¹ | 28 cmol kg⁻¹ | | 7 cmol kg⁻¹ | | Soil Cation Exchange Capacity | 11 cmol kg⁻¹ | 14 cmol kg⁻¹ | 6 cmol kg⁻¹ | | 4 cmol kg⁻¹ | | Base Saturation | 79 % | 83 % | 27 % | | 25 % | | Total Exchangeable Bases | 8.4 cmol kg⁻¹ | 11.4 cmol kg⁻¹ | 1.5 cmol kg⁻¹ | | 1 cmol kg⁻¹ | | Calcium Carbonate | 0 % | 0.9 % | 0 % | | 0 % | | Calcium Sulphate | 0 % | 0.2 % | 0 % | | 0 % | | Exchangeable Sodium | 2 % | 2 % | 2 % | | 0 % | | Electrical Conductivity | 0 dS m-1 | 0 dS m-1 | 0 dS m-1 | | 0 dS m-1 |
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