VALLEE DE LA CHARENTE EN AMONT D'ANGOULEMES
— Protected Area Boundary | | A | B | C | | | | | | | Share | 90 % | 10 % | 70 % | 30 % | 50 % | 30 % | 20 % | | Soil Type | Eutric Fluvisols | Eutric Gleysols | Rendzic Leptosols | Calcaric Cambisols | Chromic Cambisols | Calcaric Cambisols | Lithic Leptosols | | Topsoil Texture | Medium | Medium | Medium | Medium | Medium | Medium | Fine | | Reference Depth | 100 cm | 100 cm | 30 cm | 100 cm | 100 cm | 100 cm | 10 cm | | Drainage | Poor | Poor | Imperfectly | Moderately well | Moderately well | Moderately well | Imperfectly | | Available Water Capacity | 150 m | 150 m | 15 mm | 100 m | 100 m | 100 m | 15 mm | | Phase 1 | Flooded | Flooded | Stony | Stony | Stony | Stony | Stony | | Root Obstacle | 40 - 60 cm | 40 - 60 cm | | 60 - 80 cm | 40 - 60 cm | 40 - 60 cm | | | Impermeable Layer | 80 - 150 cm | 80 - 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 | 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 | 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 | 4 % | 4 % | 16 % | 6 % | 10 % | 6 % | 17 % | | Sand | 39 % | 37 % | 37 % | 36 % | 49 % | 36 % | 28 % | | Silt | 40 % | 40 % | 44 % | 43 % | 28 % | 43 % | 25 % | | Clay | 21 % | 23 % | 19 % | 21 % | 23 % | 21 % | 47 % | | USDA Texture | Loam | Loam | Loam | Loam | Loam | Loam | Clay | | Reference Bulk Density | 1.4 g/cm³ | 1.38 g/cm³ | 1.41 g/cm³ | 1.39 g/cm³ | 1.4 g/cm³ | 1.39 g/cm³ | 1.26 g/cm³ | | Bulk Density | 1.36 g/cm³ | 1.35 g/cm³ | 1.24 g/cm³ | 1.41 g/cm³ | 1.31 g/cm³ | 1.41 g/cm³ | 1.4 g/cm³ | | Organic Carbon | 0.86 % | 1.07 % | 2.13 % | 0.65 % | 0.98 % | 0.65 % | 2.3 % | | PH | 7.2 | 6.2 | 7.5 | 8 | 6.6 | 8 | 7.5 | | Clay Cation Exchange Capacity | 63 cmol kg⁻¹ | 41 cmol kg⁻¹ | 80 cmol kg⁻¹ | 52 cmol kg⁻¹ | 42 cmol kg⁻¹ | 52 cmol kg⁻¹ | 33 cmol kg⁻¹ | | Soil Cation Exchange Capacity | 16 cmol kg⁻¹ | 13 cmol kg⁻¹ | 27 cmol kg⁻¹ | 16 cmol kg⁻¹ | 13 cmol kg⁻¹ | 16 cmol kg⁻¹ | 35 cmol kg⁻¹ | | Base Saturation | 91 % | 88 % | 100 % | 100 % | 83 % | 100 % | 100 % | | Total Exchangeable Bases | 16.9 cmol kg⁻¹ | 10.2 cmol kg⁻¹ | 28.8 cmol kg⁻¹ | 24.3 cmol kg⁻¹ | 11.6 cmol kg⁻¹ | 24.3 cmol kg⁻¹ | 37.6 cmol kg⁻¹ | | Calcium Carbonate | 0.5 % | 0 % | 6 % | 7 % | 0.1 % | 7 % | 1.4 % | | Calcium Sulphate | 0 % | 0 % | 0 % | 0 % | 0 % | 0 % | 0 % | | Exchangeable Sodium | 2 % | 2 % | 2 % | 1 % | 2 % | 1 % | 1 % | | Electrical Conductivity | 0.1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | 0.4 dS m-1 | 0.1 dS m-1 | 0.4 dS m-1 | 0.4 dS m-1 | | Subsoil Properties | | Gravel | 7 % | 5 % | | 10 % | 9 % | 10 % | | | Sand | 41 % | 36 % | | 34 % | 47 % | 34 % | | | Silt | 38 % | 36 % | | 43 % | 26 % | 43 % | | | Clay | 21 % | 28 % | | 23 % | 27 % | 23 % | | | USDA Texture | Loam | Clay loam | | Loam | Sandy clay loam | Loam | | | Reference Bulk Density | 1.4 g/cm³ | 1.35 g/cm³ | | 1.38 g/cm³ | 1.38 g/cm³ | 1.38 g/cm³ | | | Bulk Density | 1.39 g/cm³ | 1.5 g/cm³ | | 1.45 g/cm³ | 1.44 g/cm³ | 1.45 g/cm³ | | | Organic Carbon | 0.38 % | 0.37 % | | 0.43 % | 0.47 % | 0.43 % | | | PH | 7.5 | 6.6 | | 8.1 | 6.7 | 8.1 | | | Clay Cation Exchange Capacity | 61 cmol kg⁻¹ | 42 cmol kg⁻¹ | | 54 cmol kg⁻¹ | 44 cmol kg⁻¹ | 54 cmol kg⁻¹ | | | Soil Cation Exchange Capacity | 14 cmol kg⁻¹ | 13 cmol kg⁻¹ | | 16 cmol kg⁻¹ | 15 cmol kg⁻¹ | 16 cmol kg⁻¹ | | | Base Saturation | 96 % | 90 % | | 100 % | 92 % | 100 % | | | Total Exchangeable Bases | 15.2 cmol kg⁻¹ | 11.9 cmol kg⁻¹ | | 28.7 cmol kg⁻¹ | 11.9 cmol kg⁻¹ | 28.7 cmol kg⁻¹ | | | Calcium Carbonate | 2.5 % | 0 % | | 8.7 % | 0.1 % | 8.7 % | | | Calcium Sulphate | 0 % | 0 % | | 0.4 % | 0 % | 0.4 % | | | Exchangeable Sodium | 3 % | 2 % | | 1 % | 1 % | 1 % | | | Electrical Conductivity | 0.1 dS m-1 | 0.1 dS m-1 | | 0.3 dS m-1 | 0.1 dS m-1 | 0.3 dS m-1 | |
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