Crau
— Protected Area Boundary | | A | B | C | | | | | | | Share | | 50 % | 30 % | 20 % | 50 % | 30 % | 20 % | | Soil Type | Calcaric Fluvisols | Chromic Cambisols | Chromic Luvisols | Calcaric Cambisols | Chromic Luvisols | Rendzic Leptosols | Lithic Leptosols | | Topsoil Texture | Medium | Medium | Medium | Medium | Medium | Medium | Medium | | Reference Depth | 100 cm | 100 cm | 100 cm | 100 cm | 100 cm | 30 cm | 10 cm | | Drainage | Poor | Moderately well | Moderately well | Moderately well | Moderately well | Imperfectly | Imperfectly | | Available Water Capacity | 150 m | 100 m | 100 m | 100 m | 150 m | 15 mm | 15 mm | | Phase 1 | Saline | Stony | Stony | Stony | | Stony | Stony | | Root Obstacle | None to 80 cm | 60 - 80 cm | None to 80 cm | 40 - 60 cm | 60 - 80 cm | | | | Impermeable Layer | 80 - 150 cm | None to 150 cm | None to 150 cm | None to 150 cm | None to 150 cm | | | | Soil Water Regime | Wet within 80 cm for 3 to 6 months, but not wet within 40 cm for over 1 month | Not wet within 80 cm for over 3 months, nor wet within 40 cm for over 1 month | Not wet within 80 cm for over 3 months, nor wet within 40 cm for over 1 month | Not wet within 80 cm for over 3 months, nor wet within 40 cm for over 1 month | Not wet within 80 cm for over 3 months, nor wet within 40 cm for over 1 month | | | | Topsoil Properties | | Gravel | 15 % | 10 % | 12 % | 6 % | 12 % | 16 % | 21 % | | Sand | 34 % | 49 % | 48 % | 36 % | 48 % | 37 % | 42 % | | Silt | 48 % | 28 % | 28 % | 43 % | 28 % | 44 % | 34 % | | Clay | 18 % | 23 % | 24 % | 21 % | 24 % | 19 % | 24 % | | USDA Texture | Loam | Loam | Loam | Loam | Loam | Loam | Loam | | Reference Bulk Density | 1.41 g/cm³ | 1.4 g/cm³ | 1.4 g/cm³ | 1.39 g/cm³ | 1.4 g/cm³ | 1.41 g/cm³ | 1.38 g/cm³ | | Bulk Density | 1.39 g/cm³ | 1.31 g/cm³ | 1.53 g/cm³ | 1.41 g/cm³ | 1.53 g/cm³ | 1.24 g/cm³ | 1.3 g/cm³ | | Organic Carbon | 0.6 % | 0.98 % | 0.83 % | 0.65 % | 0.83 % | 2.13 % | 1.61 % | | PH | 8 | 6.6 | 6.3 | 8 | 6.3 | 7.5 | 7.5 | | Clay Cation Exchange Capacity | 68 cmol kg⁻¹ | 42 cmol kg⁻¹ | 39 cmol kg⁻¹ | 52 cmol kg⁻¹ | 39 cmol kg⁻¹ | 80 cmol kg⁻¹ | 42 cmol kg⁻¹ | | Soil Cation Exchange Capacity | 14 cmol kg⁻¹ | 13 cmol kg⁻¹ | 12 cmol kg⁻¹ | 16 cmol kg⁻¹ | 12 cmol kg⁻¹ | 27 cmol kg⁻¹ | 16 cmol kg⁻¹ | | Base Saturation | 100 % | 83 % | 88 % | 100 % | 88 % | 100 % | 100 % | | Total Exchangeable Bases | 19.8 cmol kg⁻¹ | 11.6 cmol kg⁻¹ | 10 cmol kg⁻¹ | 24.3 cmol kg⁻¹ | 10 cmol kg⁻¹ | 28.8 cmol kg⁻¹ | 15.5 cmol kg⁻¹ | | Calcium Carbonate | 11.7 % | 0.1 % | 0 % | 7 % | 0 % | 6 % | 3.9 % | | Calcium Sulphate | 0.2 % | 0 % | 0 % | 0 % | 0 % | 0 % | 0 % | | Exchangeable Sodium | 3 % | 2 % | 1 % | 1 % | 1 % | 2 % | 3 % | | Electrical Conductivity | 0.7 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | 0.4 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | | Subsoil Properties | | Gravel | 10 % | 9 % | 8 % | 10 % | 8 % | | | | Sand | 36 % | 47 % | 41 % | 34 % | 41 % | | | | Silt | 46 % | 26 % | 25 % | 43 % | 25 % | | | | Clay | 18 % | 27 % | 34 % | 23 % | 34 % | | | | USDA Texture | Loam | Sandy clay loam | Clay loam | Loam | Clay loam | | | | Reference Bulk Density | 1.41 g/cm³ | 1.38 g/cm³ | 1.33 g/cm³ | 1.38 g/cm³ | 1.33 g/cm³ | | | | Bulk Density | 1.41 g/cm³ | 1.44 g/cm³ | 1.51 g/cm³ | 1.45 g/cm³ | 1.51 g/cm³ | | | | Organic Carbon | 0.4 % | 0.47 % | 0.4 % | 0.43 % | 0.4 % | | | | PH | 8.1 | 6.7 | 6.4 | 8.1 | 6.4 | | | | Clay Cation Exchange Capacity | 84 cmol kg⁻¹ | 44 cmol kg⁻¹ | 41 cmol kg⁻¹ | 54 cmol kg⁻¹ | 41 cmol kg⁻¹ | | | | Soil Cation Exchange Capacity | 13 cmol kg⁻¹ | 15 cmol kg⁻¹ | 15 cmol kg⁻¹ | 16 cmol kg⁻¹ | 15 cmol kg⁻¹ | | | | Base Saturation | 100 % | 92 % | 90 % | 100 % | 90 % | | | | Total Exchangeable Bases | 20.7 cmol kg⁻¹ | 11.9 cmol kg⁻¹ | 12 cmol kg⁻¹ | 28.7 cmol kg⁻¹ | 12 cmol kg⁻¹ | | | | Calcium Carbonate | 12.2 % | 0.1 % | 0 % | 8.7 % | 0 % | | | | Calcium Sulphate | 0.2 % | 0 % | 0 % | 0.4 % | 0 % | | | | Exchangeable Sodium | 3 % | 1 % | 1 % | 1 % | 1 % | | | | Electrical Conductivity | 0.5 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | 0.3 dS m-1 | 0.1 dS m-1 | | |
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