Souss-Massa National Park
— Protected Area Boundary | | A | B | | | | | | Share | 60 % | 30 % | 10 % | 40 % | 30 % | 10 % | 10 % | 10 % | | Soil Type | Calcaric Fluvisols | Calcic Xerosols | Gleyic Solonchaks | Calcic Xerosols | Regosols | Gleyic Solonchaks | Chromic Luvisols | Lithosols | | Topsoil Texture | Medium | Medium | Medium | Coarse | Medium | Medium | Medium | Medium | | Reference Depth | 100 cm | 100 cm | 100 cm | 100 cm | 100 cm | 100 cm | 100 cm | 10 cm | | Drainage | Poor | Moderately well | Poor | Well | Moderately well | Poor | Moderately well | Imperfectly | | Available Water Capacity | 150 m | 150 m | 150 m | 100 m | 150 m | 150 m | 150 m | 15 mm | | Topsoil Properties | | Gravel | 10 % | 4 % | 6 % | 10 % | 24 % | 6 % | 9 % | 26 % | | Sand | 35 % | 40 % | 36 % | 76 % | 44 % | 36 % | 47 % | 43 % | | Silt | 47 % | 37 % | 43 % | 13 % | 36 % | 43 % | 29 % | 34 % | | Clay | 18 % | 23 % | 21 % | 11 % | 20 % | 21 % | 24 % | 23 % | | USDA Texture | Loam | Loam | Loam | Sandy loam | Loam | Loam | Loam | Loam | | Reference Bulk Density | 1.41 g/cm³ | 1.39 g/cm³ | 1.39 g/cm³ | 1.56 g/cm³ | 1.41 g/cm³ | 1.39 g/cm³ | 1.39 g/cm³ | 1.39 g/cm³ | | Bulk Density | 1.39 g/cm³ | 1.31 g/cm³ | 1.41 g/cm³ | 1.3 g/cm³ | 1.37 g/cm³ | 1.41 g/cm³ | 1.54 g/cm³ | 1.3 g/cm³ | | Organic Carbon | 0.6 % | 0.56 % | 0.42 % | 0.52 % | 1.12 % | 0.42 % | 0.86 % | 1.4 % | | PH | 8 | 7.9 | 8.1 | 7.8 | 6.4 | 8.1 | 6.4 | 7.6 | | Clay Cation Exchange Capacity | 65 cmol kg⁻¹ | 93 cmol kg⁻¹ | 48 cmol kg⁻¹ | 65 cmol kg⁻¹ | 38 cmol kg⁻¹ | 48 cmol kg⁻¹ | 38 cmol kg⁻¹ | 42 cmol kg⁻¹ | | Soil Cation Exchange Capacity | 14 cmol kg⁻¹ | 18 cmol kg⁻¹ | 11 cmol kg⁻¹ | 9 cmol kg⁻¹ | 11 cmol kg⁻¹ | 11 cmol kg⁻¹ | 12 cmol kg⁻¹ | 15 cmol kg⁻¹ | | Base Saturation | 100 % | 100 % | 100 % | 100 % | 76 % | 100 % | 89 % | 100 % | | Total Exchangeable Bases | 19.8 cmol kg⁻¹ | 33.2 cmol kg⁻¹ | 13.9 cmol kg⁻¹ | 9 cmol kg⁻¹ | 9.5 cmol kg⁻¹ | 13.9 cmol kg⁻¹ | 10 cmol kg⁻¹ | 15.6 cmol kg⁻¹ | | Calcium Carbonate | 11.7 % | 9 % | 9.5 % | 9 % | 0 % | 9.5 % | 0 % | 3.9 % | | Calcium Sulphate | 0.2 % | 0.4 % | 6.5 % | 0 % | 0 % | 6.5 % | 0 % | 0 % | | Exchangeable Sodium | 2 % | 3 % | 46 % | 2 % | 2 % | 46 % | 1 % | 4 % | | Electrical Conductivity | 0.7 dS m-1 | 0.8 dS m-1 | 14.5 dS m-1 | 0.5 dS m-1 | 0.1 dS m-1 | 14.5 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | | Subsoil Properties | | Gravel | 11 % | 4 % | 5 % | 28 % | 28 % | 5 % | 8 % | | | Sand | 37 % | 37 % | 37 % | 69 % | 44 % | 37 % | 39 % | | | Silt | 45 % | 36 % | 39 % | 16 % | 35 % | 39 % | 27 % | | | Clay | 18 % | 27 % | 24 % | 15 % | 21 % | 24 % | 34 % | | | USDA Texture | Loam | Clay loam | Loam | Sandy loam | Loam | Loam | Clay loam | | | Reference Bulk Density | 1.42 g/cm³ | 1.36 g/cm³ | 1.37 g/cm³ | 1.51 g/cm³ | 1.41 g/cm³ | 1.37 g/cm³ | 1.33 g/cm³ | | | Bulk Density | 1.41 g/cm³ | 1.33 g/cm³ | 1.51 g/cm³ | 1.25 g/cm³ | 1.53 g/cm³ | 1.51 g/cm³ | 1.52 g/cm³ | | | Organic Carbon | 0.4 % | 0.33 % | 0.3 % | 0.2 % | 0.48 % | 0.3 % | 0.38 % | | | PH | 8.1 | 8 | 8.1 | 8.3 | 6.9 | 8.1 | 6.3 | | | Clay Cation Exchange Capacity | 84 cmol kg⁻¹ | 65 cmol kg⁻¹ | 46 cmol kg⁻¹ | 57 cmol kg⁻¹ | 38 cmol kg⁻¹ | 46 cmol kg⁻¹ | 40 cmol kg⁻¹ | | | Soil Cation Exchange Capacity | 13 cmol kg⁻¹ | 20 cmol kg⁻¹ | 12 cmol kg⁻¹ | 8 cmol kg⁻¹ | 9 cmol kg⁻¹ | 12 cmol kg⁻¹ | 15 cmol kg⁻¹ | | | Base Saturation | 100 % | 100 % | 100 % | 100 % | 100 % | 100 % | 93 % | | | Total Exchangeable Bases | 20.7 cmol kg⁻¹ | 41.4 cmol kg⁻¹ | 18.2 cmol kg⁻¹ | 11.3 cmol kg⁻¹ | 8 cmol kg⁻¹ | 18.2 cmol kg⁻¹ | 12.3 cmol kg⁻¹ | | | Calcium Carbonate | 12.2 % | 9 % | 12.3 % | 9 % | 0 % | 12.3 % | 0 % | | | Calcium Sulphate | 0.3 % | 0.3 % | 4.1 % | 0 % | 0 % | 4.1 % | 0 % | | | Exchangeable Sodium | 3 % | 7 % | 54 % | 1 % | 1 % | 54 % | 1 % | | | Electrical Conductivity | 0.5 dS m-1 | 1 dS m-1 | 2.8 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | 2.8 dS m-1 | 0.1 dS m-1 | |
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