Marais d'Itteville et de Fontenay-le-Vicomte
— Protected Area Boundary | | A | B | | | | | | Share | 70 % | 30 % | 70 % | 20 % | 5 % | 3 % | 2 % | | Soil Type | Eutric Gleysols | Terric Histosols | Haplic Luvisols | Eutric Fluvisols | Gleyic Luvisols | Luvic Arenosols | Rendzic Leptosols | | Topsoil Texture | Fine | Medium | Medium | Medium | Medium | Coarse | Medium | | Reference Depth | 100 cm | 100 cm | 100 cm | 100 cm | 100 cm | 100 cm | 30 cm | | Drainage | Very poor | Very poor | Moderately well | Poor | Poor | Moderately well | Imperfectly | | Available Water Capacity | 150 m | 150 m | 150 m | 150 m | 100 m | 100 m | 50 mm | | Root Obstacle | None to 80 cm | None to 80 cm | None to 80 cm | None to 80 cm | None to 80 cm | None to 80 cm | | | Impermeable Layer | 80 - 150 cm | 80 - 150 cm | None to 150 cm | 80 - 150 cm | 40 - 80 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 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 | 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 | Not wet within 80 cm for over 3 months, nor wet within 40 cm for over 1 month | | | Topsoil Properties | | Gravel | 1 % | 28 % | 4 % | 4 % | 5 % | 3 % | 16 % | | Sand | 17 % | 35 % | 41 % | 39 % | 47 % | 90 % | 37 % | | Silt | 32 % | 33 % | 37 % | 40 % | 29 % | 5 % | 44 % | | Clay | 51 % | 32 % | 22 % | 21 % | 24 % | 5 % | 19 % | | USDA Texture | Clay | Clay loam | Loam | Loam | Loam | Sand | Loam | | Reference Bulk Density | 1.22 g/cm³ | 1.32 g/cm³ | 1.4 g/cm³ | 1.4 g/cm³ | 1.39 g/cm³ | 1.71 g/cm³ | 1.41 g/cm³ | | Bulk Density | 1.25 g/cm³ | 0.28 g/cm³ | 1.43 g/cm³ | 1.36 g/cm³ | 1.54 g/cm³ | 1.5 g/cm³ | 1.24 g/cm³ | | Organic Carbon | 1.25 % | 39.4 % | 0.74 % | 0.86 % | 0.83 % | 0.39 % | 2.13 % | | PH | 5.8 | 5.6 | 6.5 | 7.2 | 6.3 | 5.8 | 7.5 | | Clay Cation Exchange Capacity | 37 cmol kg⁻¹ | 45 cmol kg⁻¹ | 47 cmol kg⁻¹ | 63 cmol kg⁻¹ | 46 cmol kg⁻¹ | 35 cmol kg⁻¹ | 80 cmol kg⁻¹ | | Soil Cation Exchange Capacity | 25 cmol kg⁻¹ | 87 cmol kg⁻¹ | 13 cmol kg⁻¹ | 16 cmol kg⁻¹ | 16 cmol kg⁻¹ | 3 cmol kg⁻¹ | 27 cmol kg⁻¹ | | Base Saturation | 78 % | 75 % | 91 % | 91 % | 93 % | 76 % | 100 % | | Total Exchangeable Bases | 18.9 cmol kg⁻¹ | 59.5 cmol kg⁻¹ | 11 cmol kg⁻¹ | 16.9 cmol kg⁻¹ | 14.9 cmol kg⁻¹ | 2 cmol kg⁻¹ | 28.8 cmol kg⁻¹ | | Calcium Carbonate | 0 % | 0 % | 0 % | 0.5 % | 0 % | 0 % | 6 % | | Calcium Sulphate | 0 % | 0 % | 0 % | 0 % | 0 % | 0 % | 0 % | | Exchangeable Sodium | 2 % | 1 % | 1 % | 2 % | 2 % | 3 % | 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 | 0.1 dS m-1 | | Subsoil Properties | | Gravel | 1 % | 5 % | 3 % | 7 % | 6 % | 4 % | | | Sand | 19 % | 52 % | 37 % | 41 % | 39 % | 87 % | | | Silt | 29 % | 23 % | 34 % | 38 % | 27 % | 5 % | | | Clay | 52 % | 25 % | 29 % | 21 % | 34 % | 8 % | | | USDA Texture | Clay | Sandy clay loam | Clay loam | Loam | Clay loam | Loamy sand | | | Reference Bulk Density | 1.23 g/cm³ | 1.38 g/cm³ | 1.35 g/cm³ | 1.4 g/cm³ | 1.33 g/cm³ | 1.63 g/cm³ | | | Bulk Density | 1.35 g/cm³ | 0.18 g/cm³ | 1.51 g/cm³ | 1.39 g/cm³ | 1.65 g/cm³ | 1.5 g/cm³ | | | Organic Carbon | 0.45 % | 38.46 % | 0.36 % | 0.38 % | 0.28 % | 0.2 % | | | PH | 6 | 5.8 | 6.7 | 7.5 | 7 | 5.7 | | | Clay Cation Exchange Capacity | 40 cmol kg⁻¹ | 49 cmol kg⁻¹ | 50 cmol kg⁻¹ | 61 cmol kg⁻¹ | 44 cmol kg⁻¹ | 34 cmol kg⁻¹ | | | Soil Cation Exchange Capacity | 23 cmol kg⁻¹ | 88 cmol kg⁻¹ | 14 cmol kg⁻¹ | 14 cmol kg⁻¹ | 16 cmol kg⁻¹ | 3 cmol kg⁻¹ | | | Base Saturation | 84 % | 96 % | 93 % | 96 % | 99 % | 75 % | | | Total Exchangeable Bases | 17 cmol kg⁻¹ | 81.8 cmol kg⁻¹ | 13.1 cmol kg⁻¹ | 15.2 cmol kg⁻¹ | 15.9 cmol kg⁻¹ | 2.3 cmol kg⁻¹ | | | Calcium Carbonate | 0 % | 0 % | 0 % | 2.5 % | 0.4 % | 0 % | | | Calcium Sulphate | 0 % | 0 % | 0 % | 0 % | 0 % | 0 % | | | Exchangeable Sodium | 3 % | 1 % | 1 % | 3 % | 2 % | 3 % | | | 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 | |
|