Marais salants de Guérande, traicts du Croisic, dunes de Pen Bron
— Protected Area Boundary | | A | B | C | | | | | | | Share | | 90 % | 10 % | 90 % | 10 % | | Soil Type | Eutric Regosols | Umbric Leptosols | Lithic Leptosols | Gleyic Solonchaks | Eutric Gleysols | | Topsoil Texture | Coarse | Coarse | Coarse | Fine | Fine | | Reference Depth | 100 cm | 30 cm | 10 cm | 100 cm | 100 cm | | Drainage | Somewhat excessive | Moderately well | Moderately well | Poor | Very poor | | Available Water Capacity | 100 m | 15 mm | 0 mm | 150 m | 150 m | | Phase 1 | | Stony | Stony | | | | Root Obstacle | None to 80 cm | | | None to 80 cm | None to 80 cm | | Impermeable Layer | None to 150 cm | | | 80 - 150 cm | 80 - 150 cm | | Soil Water Regime | 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 | Wet within 80 cm over 6 months, but not wet within 40 cm for over 11 month | | Topsoil Properties | | Gravel | 15 % | 10 % | 21 % | 4 % | 1 % | | Sand | 83 % | 79 % | 73 % | 22 % | 17 % | | Silt | 11 % | 13 % | 18 % | 26 % | 32 % | | Clay | 6 % | 8 % | 9 % | 52 % | 51 % | | USDA Texture | Loamy sand | Loamy sand | Sandy loam | Clay | Clay | | Reference Bulk Density | 1.67 g/cm³ | 1.62 g/cm³ | 1.59 g/cm³ | 1.23 g/cm³ | 1.22 g/cm³ | | Bulk Density | 1.3 g/cm³ | 1.45 g/cm³ | 1.45 g/cm³ | 1.23 g/cm³ | 1.25 g/cm³ | | Organic Carbon | 0.5 % | 2.59 % | 1.4 % | 0.53 % | 1.25 % | | PH | 6.6 | 4.7 | 7.5 | 8.8 | 5.8 | | Clay Cation Exchange Capacity | 50 cmol kg⁻¹ | 24 cmol kg⁻¹ | 85 cmol kg⁻¹ | 39 cmol kg⁻¹ | 37 cmol kg⁻¹ | | Soil Cation Exchange Capacity | 5 cmol kg⁻¹ | 8 cmol kg⁻¹ | 12 cmol kg⁻¹ | 29 cmol kg⁻¹ | 25 cmol kg⁻¹ | | Base Saturation | 93 % | 86 % | 86 % | 100 % | 78 % | | Total Exchangeable Bases | 4.2 cmol kg⁻¹ | 5.2 cmol kg⁻¹ | 5.2 cmol kg⁻¹ | 46.5 cmol kg⁻¹ | 18.9 cmol kg⁻¹ | | Calcium Carbonate | 0 % | 0 % | 0 % | 9 % | 0 % | | Calcium Sulphate | 0 % | 0 % | 0 % | 0.4 % | 0 % | | Exchangeable Sodium | 3 % | 0 % | 1 % | 45 % | 2 % | | Electrical Conductivity | 0.1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | 12.7 dS m-1 | 0.1 dS m-1 | | Subsoil Properties | | Gravel | 22 % | | | 6 % | 1 % | | Sand | 80 % | | | 24 % | 19 % | | Silt | 11 % | | | 23 % | 29 % | | Clay | 9 % | | | 53 % | 52 % | | USDA Texture | Loamy sand | | | Clay | Clay | | Reference Bulk Density | 1.6 g/cm³ | | | 1.23 g/cm³ | 1.23 g/cm³ | | Bulk Density | 1.22 g/cm³ | | | 1.31 g/cm³ | 1.35 g/cm³ | | Organic Carbon | 0.3 % | | | 0.38 % | 0.45 % | | PH | 6.7 | | | 8.8 | 6 | | Clay Cation Exchange Capacity | 44 cmol kg⁻¹ | | | 48 cmol kg⁻¹ | 40 cmol kg⁻¹ | | Soil Cation Exchange Capacity | 4 cmol kg⁻¹ | | | 29 cmol kg⁻¹ | 23 cmol kg⁻¹ | | Base Saturation | 76 % | | | 100 % | 84 % | | Total Exchangeable Bases | 2.8 cmol kg⁻¹ | | | 55.3 cmol kg⁻¹ | 17 cmol kg⁻¹ | | Calcium Carbonate | 0 % | | | 9 % | 0 % | | Calcium Sulphate | 0 % | | | 0.5 % | 0 % | | Exchangeable Sodium | 3 % | | | 42 % | 3 % | | Electrical Conductivity | 0.1 dS m-1 | | | 21.5 dS m-1 | 0.1 dS m-1 |
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