Estuaire de la Canche
— Protected Area Boundary | | A | B | | | | | | Share | 70 % | 20 % | 10 % | | | Soil Type | Calcaric Fluvisols | Calcic Gleysols | Terric Histosols | Eutric Regosols | | Topsoil Texture | Coarse | Medium | Medium | Coarse | | Reference Depth | 100 cm | 100 cm | 100 cm | 100 cm | | Drainage | Poor | Poor | Very poor | Somewhat excessive | | Available Water Capacity | 150 m | 150 m | 150 m | 100 m | | Root Obstacle | None to 80 cm | None to 80 cm | None to 80 cm | None to 80 cm | | Impermeable Layer | None to 150 cm | 80 - 150 cm | 80 - 150 cm | None to 150 cm | | Soil Water Regime | Not wet within 80 cm for over 3 months, nor wet within 40 cm for over 1 month | Wet within 80 cm over 6 months, but not wet within 40 cm for over 11 month | Wet within 40 cm depth for over 11 month | Not wet within 80 cm for over 3 months, nor wet within 40 cm for over 1 month | | Topsoil Properties | | Gravel | 10 % | 4 % | 28 % | 15 % | | Sand | 79 % | 41 % | 35 % | 83 % | | Silt | 15 % | 40 % | 33 % | 11 % | | Clay | 6 % | 19 % | 32 % | 6 % | | USDA Texture | Loamy sand | Loam | Clay loam | Loamy sand | | Reference Bulk Density | 1.66 g/cm³ | 1.42 g/cm³ | 1.32 g/cm³ | 1.67 g/cm³ | | Bulk Density | 1.4 g/cm³ | 1.31 g/cm³ | 0.28 g/cm³ | 1.3 g/cm³ | | Organic Carbon | 0.41 % | 1.3 % | 39.4 % | 0.5 % | | PH | 8.3 | 7 | 5.6 | 6.6 | | Clay Cation Exchange Capacity | 109 cmol kg⁻¹ | 37 cmol kg⁻¹ | 45 cmol kg⁻¹ | 50 cmol kg⁻¹ | | Soil Cation Exchange Capacity | 6 cmol kg⁻¹ | 13 cmol kg⁻¹ | 87 cmol kg⁻¹ | 5 cmol kg⁻¹ | | Base Saturation | 100 % | 82 % | 75 % | 93 % | | Total Exchangeable Bases | 11 cmol kg⁻¹ | 8.8 cmol kg⁻¹ | 59.5 cmol kg⁻¹ | 4.2 cmol kg⁻¹ | | Calcium Carbonate | 9.1 % | 1 % | 0 % | 0 % | | Calcium Sulphate | 0 % | 0 % | 0 % | 0 % | | Exchangeable Sodium | 4 % | 2 % | 1 % | 3 % | | Electrical Conductivity | 0.4 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | | Subsoil Properties | | Gravel | 10 % | 5 % | 5 % | 22 % | | Sand | 79 % | 44 % | 52 % | 80 % | | Silt | 15 % | 37 % | 23 % | 11 % | | Clay | 6 % | 19 % | 25 % | 9 % | | USDA Texture | Loamy sand | Loam | Sandy clay loam | Loamy sand | | Reference Bulk Density | 1.66 g/cm³ | 1.42 g/cm³ | 1.38 g/cm³ | 1.6 g/cm³ | | Bulk Density | 1.5 g/cm³ | 1.47 g/cm³ | 0.18 g/cm³ | 1.22 g/cm³ | | Organic Carbon | 0.17 % | 0.44 % | 38.46 % | 0.3 % | | PH | 8.3 | 7.2 | 5.8 | 6.7 | | Clay Cation Exchange Capacity | 137 cmol kg⁻¹ | 40 cmol kg⁻¹ | 49 cmol kg⁻¹ | 44 cmol kg⁻¹ | | Soil Cation Exchange Capacity | 6 cmol kg⁻¹ | 12 cmol kg⁻¹ | 88 cmol kg⁻¹ | 4 cmol kg⁻¹ | | Base Saturation | 94 % | 86 % | 96 % | 76 % | | Total Exchangeable Bases | 13.9 cmol kg⁻¹ | 10 cmol kg⁻¹ | 81.8 cmol kg⁻¹ | 2.8 cmol kg⁻¹ | | Calcium Carbonate | 9.9 % | 1 % | 0 % | 0 % | | Calcium Sulphate | 0 % | 0 % | 0 % | 0 % | | Exchangeable Sodium | 4 % | 2 % | 1 % | 3 % | | Electrical Conductivity | 0.4 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 |
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