Estuaire de la Gironde : Marais du Blayais
— Protected Area Boundary | | A | B | C | | | | | | | Share | | 70 % | 30 % | 70 % | 20 % | 10 % | | Soil Type | Eutric Gleysols | Rendzic Leptosols | Chromic Cambisols | Gleyic Luvisols | Dystric Planosols | Dystric Cambisols | | Topsoil Texture | Medium | Medium | Medium | Medium | Medium | Medium | | Reference Depth | 100 cm | 30 cm | 100 cm | 100 cm | 100 cm | 100 cm | | Drainage | Poor | Imperfectly | Moderately well | Poor | Poor | Moderately well | | Available Water Capacity | 150 m | 15 mm | 100 m | 100 m | 50 m | 150 m | | Phase 1 | Saline | Stony | Stony | | | | | Root Obstacle | None to 80 cm | | 40 - 60 cm | None to 80 cm | None to 80 cm | None to 80 cm | | Impermeable Layer | 80 - 150 cm | | None to 150 cm | 40 - 80 cm | 0 - 40 cm | 80 - 150 cm | | Soil Water Regime | 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 | Wet within 80 cm for 3 to 6 months, but not wet within 40 cm for over 1 month | 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 | | Topsoil Properties | | Gravel | 4 % | 16 % | 10 % | 5 % | 4 % | 10 % | | Sand | 37 % | 37 % | 49 % | 47 % | 42 % | 42 % | | Silt | 40 % | 44 % | 28 % | 29 % | 38 % | 38 % | | Clay | 23 % | 19 % | 23 % | 24 % | 20 % | 20 % | | USDA Texture | Loam | Loam | Loam | Loam | Loam | Loam | | Reference Bulk Density | 1.38 g/cm³ | 1.41 g/cm³ | 1.4 g/cm³ | 1.39 g/cm³ | 1.41 g/cm³ | 1.41 g/cm³ | | Bulk Density | 1.35 g/cm³ | 1.24 g/cm³ | 1.31 g/cm³ | 1.54 g/cm³ | 1.38 g/cm³ | 1.3 g/cm³ | | Organic Carbon | 1.07 % | 2.13 % | 0.98 % | 0.83 % | 1.14 % | 1.45 % | | PH | 6.2 | 7.5 | 6.6 | 6.3 | 4.5 | 5.1 | | Clay Cation Exchange Capacity | 41 cmol kg⁻¹ | 80 cmol kg⁻¹ | 42 cmol kg⁻¹ | 46 cmol kg⁻¹ | 25 cmol kg⁻¹ | 32 cmol kg⁻¹ | | Soil Cation Exchange Capacity | 13 cmol kg⁻¹ | 27 cmol kg⁻¹ | 13 cmol kg⁻¹ | 16 cmol kg⁻¹ | 7 cmol kg⁻¹ | 12 cmol kg⁻¹ | | Base Saturation | 88 % | 100 % | 83 % | 93 % | 40 % | 38 % | | Total Exchangeable Bases | 10.2 cmol kg⁻¹ | 28.8 cmol kg⁻¹ | 11.6 cmol kg⁻¹ | 14.9 cmol kg⁻¹ | 2.2 cmol kg⁻¹ | 4.3 cmol kg⁻¹ | | Calcium Carbonate | 0 % | 6 % | 0.1 % | 0 % | 0 % | 0 % | | Calcium Sulphate | 0 % | 0 % | 0 % | 0 % | 0 % | 0 % | | Exchangeable Sodium | 2 % | 2 % | 2 % | 2 % | 2 % | 2 % | | Electrical Conductivity | 0.1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | | Subsoil Properties | | Gravel | 5 % | | 9 % | 6 % | 4 % | 19 % | | Sand | 36 % | | 47 % | 39 % | 28 % | 45 % | | Silt | 36 % | | 26 % | 27 % | 29 % | 35 % | | Clay | 28 % | | 27 % | 34 % | 43 % | 20 % | | USDA Texture | Clay loam | | Sandy clay loam | Clay loam | Clay | Loam | | Reference Bulk Density | 1.35 g/cm³ | | 1.38 g/cm³ | 1.33 g/cm³ | 1.27 g/cm³ | 1.42 g/cm³ | | Bulk Density | 1.5 g/cm³ | | 1.44 g/cm³ | 1.65 g/cm³ | 1.41 g/cm³ | 1.36 g/cm³ | | Organic Carbon | 0.37 % | | 0.47 % | 0.28 % | 0.37 % | 0.5 % | | PH | 6.6 | | 6.7 | 7 | 4.8 | 5.2 | | Clay Cation Exchange Capacity | 42 cmol kg⁻¹ | | 44 cmol kg⁻¹ | 44 cmol kg⁻¹ | 26 cmol kg⁻¹ | 35 cmol kg⁻¹ | | Soil Cation Exchange Capacity | 13 cmol kg⁻¹ | | 15 cmol kg⁻¹ | 16 cmol kg⁻¹ | 10 cmol kg⁻¹ | 9 cmol kg⁻¹ | | Base Saturation | 90 % | | 92 % | 99 % | 57 % | 33 % | | Total Exchangeable Bases | 11.9 cmol kg⁻¹ | | 11.9 cmol kg⁻¹ | 15.9 cmol kg⁻¹ | 11.4 cmol kg⁻¹ | 2.6 cmol kg⁻¹ | | Calcium Carbonate | 0 % | | 0.1 % | 0.4 % | 0 % | 0 % | | Calcium Sulphate | 0 % | | 0 % | 0 % | 0 % | 0 % | | Exchangeable Sodium | 2 % | | 1 % | 2 % | 7 % | 2 % | | Electrical Conductivity | 0.1 dS m-1 | | 0.1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 |
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