Noordzeekustzone
— Protected Area Boundary | | A | B | | | | | | Share | 75 % | 25 % | | | Soil Type | Calcaric Fluvisols | Eutric Fluvisols | Eutric Regosols | | Topsoil Texture | Coarse | Coarse | Coarse | | Reference Depth | 100 cm | 100 cm | 100 cm | | Drainage | Poor | Poor | Somewhat excessive | | Available Water Capacity | 150 m | 150 m | 100 m | | Root Obstacle | None to 80 cm | None to 80 cm | None to 80 cm | | Impermeable Layer | None to 150 cm | None to 150 cm | None to 150 cm | | Soil Water Regime | Wet within 80 cm over 6 months, but not wet within 40 cm for over 11 month | Wet within 80 cm over 6 months, but not wet within 40 cm 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 % | 18 % | 15 % | | Sand | 79 % | 80 % | 83 % | | Silt | 15 % | 12 % | 11 % | | Clay | 6 % | 8 % | 6 % | | USDA Texture | Loamy sand | Loamy sand | Loamy sand | | Reference Bulk Density | 1.66 g/cm³ | 1.62 g/cm³ | 1.67 g/cm³ | | Bulk Density | 1.4 g/cm³ | 1.27 g/cm³ | 1.3 g/cm³ | | Organic Carbon | 0.41 % | 0.58 % | 0.5 % | | PH | 8.3 | 6.8 | 6.6 | | Clay Cation Exchange Capacity | 109 cmol kg⁻¹ | 64 cmol kg⁻¹ | 50 cmol kg⁻¹ | | Soil Cation Exchange Capacity | 6 cmol kg⁻¹ | 7 cmol kg⁻¹ | 5 cmol kg⁻¹ | | Base Saturation | 100 % | 89 % | 93 % | | Total Exchangeable Bases | 11 cmol kg⁻¹ | 7.4 cmol kg⁻¹ | 4.2 cmol kg⁻¹ | | Calcium Carbonate | 9.1 % | 0 % | 0 % | | Calcium Sulphate | 0 % | 0 % | 0 % | | Exchangeable Sodium | 4 % | 3 % | 3 % | | Electrical Conductivity | 0.4 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | | Subsoil Properties | | Gravel | 10 % | 10 % | 22 % | | Sand | 79 % | 79 % | 80 % | | Silt | 15 % | 11 % | 11 % | | Clay | 6 % | 10 % | 9 % | | USDA Texture | Loamy sand | Sandy loam | Loamy sand | | Reference Bulk Density | 1.66 g/cm³ | 1.59 g/cm³ | 1.6 g/cm³ | | Bulk Density | 1.5 g/cm³ | 1.44 g/cm³ | 1.22 g/cm³ | | Organic Carbon | 0.17 % | 0.24 % | 0.3 % | | PH | 8.3 | 6.9 | 6.7 | | Clay Cation Exchange Capacity | 137 cmol kg⁻¹ | 57 cmol kg⁻¹ | 44 cmol kg⁻¹ | | Soil Cation Exchange Capacity | 6 cmol kg⁻¹ | 6 cmol kg⁻¹ | 4 cmol kg⁻¹ | | Base Saturation | 94 % | 93 % | 76 % | | Total Exchangeable Bases | 13.9 cmol kg⁻¹ | 9 cmol kg⁻¹ | 2.8 cmol kg⁻¹ | | Calcium Carbonate | 9.9 % | 0.1 % | 0 % | | Calcium Sulphate | 0 % | 0 % | 0 % | | Exchangeable Sodium | 4 % | 2 % | 3 % | | Electrical Conductivity | 0.4 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 |
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