Groote Wielen
— Protected Area Boundary | | A | B | | | | | | Share | 60 % | 40 % | | | Soil Type | Eutric Fluvisols | Eutric Fluvisols | Terric Histosols | | Topsoil Texture | Fine | Medium | Medium | | Reference Depth | 100 cm | 100 cm | 100 cm | | Drainage | Very poor | Poor | Very poor | | Available Water Capacity | 150 m | 150 m | 150 m | | Root Obstacle | 60 - 80 cm | None to 80 cm | 40 - 60 cm | | Impermeable Layer | 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 | Wet within 80 cm over 6 months, but not wet within 40 cm for over 11 month | | Topsoil Properties | | Gravel | 4 % | 4 % | 28 % | | Sand | 19 % | 39 % | 35 % | | Silt | 32 % | 40 % | 33 % | | Clay | 49 % | 21 % | 32 % | | USDA Texture | Clay | Loam | Clay loam | | Reference Bulk Density | 1.24 g/cm³ | 1.4 g/cm³ | 1.32 g/cm³ | | Bulk Density | 1.27 g/cm³ | 1.36 g/cm³ | 0.28 g/cm³ | | Organic Carbon | 1.19 % | 0.86 % | 39.4 % | | PH | 6.2 | 7.2 | 5.6 | | Clay Cation Exchange Capacity | 38 cmol kg⁻¹ | 63 cmol kg⁻¹ | 45 cmol kg⁻¹ | | Soil Cation Exchange Capacity | 24 cmol kg⁻¹ | 16 cmol kg⁻¹ | 87 cmol kg⁻¹ | | Base Saturation | 91 % | 91 % | 75 % | | Total Exchangeable Bases | 22.7 cmol kg⁻¹ | 16.9 cmol kg⁻¹ | 59.5 cmol kg⁻¹ | | Calcium Carbonate | 0 % | 0.5 % | 0 % | | Calcium Sulphate | 0 % | 0 % | 0 % | | Exchangeable Sodium | 1 % | 2 % | 1 % | | Electrical Conductivity | 0.1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | | Subsoil Properties | | Gravel | 3 % | 7 % | 5 % | | Sand | 21 % | 41 % | 52 % | | Silt | 32 % | 38 % | 23 % | | Clay | 47 % | 21 % | 25 % | | USDA Texture | Clay | Loam | Sandy clay loam | | Reference Bulk Density | 1.24 g/cm³ | 1.4 g/cm³ | 1.38 g/cm³ | | Bulk Density | 1.39 g/cm³ | 1.39 g/cm³ | 0.18 g/cm³ | | Organic Carbon | 0.55 % | 0.38 % | 38.46 % | | PH | 6.8 | 7.5 | 5.8 | | Clay Cation Exchange Capacity | 41 cmol kg⁻¹ | 61 cmol kg⁻¹ | 49 cmol kg⁻¹ | | Soil Cation Exchange Capacity | 20 cmol kg⁻¹ | 14 cmol kg⁻¹ | 88 cmol kg⁻¹ | | Base Saturation | 99 % | 96 % | 96 % | | Total Exchangeable Bases | 18.2 cmol kg⁻¹ | 15.2 cmol kg⁻¹ | 81.8 cmol kg⁻¹ | | Calcium Carbonate | 0.2 % | 2.5 % | 0 % | | Calcium Sulphate | 0 % | 0 % | 0 % | | Exchangeable Sodium | 2 % | 3 % | 1 % | | Electrical Conductivity | 0.1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 |
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