Marais du Mès, baie et dunes de Pont-Mahé, étang du Pont de Fer, île Dumet
— Protected Area Boundary | | A | B | | | | | | Share | 90 % | 10 % | 50 % | 30 % | 15 % | 5 % | | Soil Type | Gleyic Solonchaks | Eutric Gleysols | Eutric Cambisols | Haplic Luvisols | Gleyic Podzoluvisols | Eutric Cambisols | | Topsoil Texture | Fine | Fine | Medium | Medium | Medium | Medium | | Reference Depth | 100 cm | 100 cm | 100 cm | 100 cm | 100 cm | 100 cm | | Drainage | Poor | Very poor | Moderately well | Moderately well | Poor | Moderately well | | Available Water Capacity | 150 m | 150 m | 50 m | 150 m | 100 m | 150 m | | Root Obstacle | None to 80 cm | None to 80 cm | None to 80 cm | None to 80 cm | None to 80 cm | 60 - 80 cm | | Impermeable Layer | 80 - 150 cm | 80 - 150 cm | 0 - 40 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 80 cm over 6 months, but not wet within 40 cm for over 11 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 | 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 % | 1 % | 9 % | 4 % | 1 % | 9 % | | Sand | 22 % | 17 % | 42 % | 41 % | 32 % | 42 % | | Silt | 26 % | 32 % | 36 % | 37 % | 49 % | 36 % | | Clay | 52 % | 51 % | 22 % | 22 % | 19 % | 22 % | | USDA Texture | Clay | Clay | Loam | Loam | Loam | Loam | | Reference Bulk Density | 1.23 g/cm³ | 1.22 g/cm³ | 1.4 g/cm³ | 1.4 g/cm³ | 1.4 g/cm³ | 1.4 g/cm³ | | Bulk Density | 1.23 g/cm³ | 1.25 g/cm³ | 1.37 g/cm³ | 1.43 g/cm³ | 1.35 g/cm³ | 1.37 g/cm³ | | Organic Carbon | 0.53 % | 1.25 % | 1 % | 0.74 % | 2.22 % | 1 % | | PH | 8.8 | 5.8 | 6.6 | 6.5 | 5.3 | 6.6 | | Clay Cation Exchange Capacity | 39 cmol kg⁻¹ | 37 cmol kg⁻¹ | 55 cmol kg⁻¹ | 47 cmol kg⁻¹ | 36 cmol kg⁻¹ | 55 cmol kg⁻¹ | | Soil Cation Exchange Capacity | 29 cmol kg⁻¹ | 25 cmol kg⁻¹ | 16 cmol kg⁻¹ | 13 cmol kg⁻¹ | 17 cmol kg⁻¹ | 16 cmol kg⁻¹ | | Base Saturation | 100 % | 78 % | 93 % | 91 % | 55 % | 93 % | | Total Exchangeable Bases | 46.5 cmol kg⁻¹ | 18.9 cmol kg⁻¹ | 14 cmol kg⁻¹ | 11 cmol kg⁻¹ | 5.7 cmol kg⁻¹ | 14 cmol kg⁻¹ | | Calcium Carbonate | 9 % | 0 % | 0 % | 0 % | 0 % | 0 % | | Calcium Sulphate | 0.4 % | 0 % | 0 % | 0 % | 0 % | 0 % | | Exchangeable Sodium | 45 % | 2 % | 2 % | 1 % | 0 % | 2 % | | Electrical Conductivity | 12.7 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 | 6 % | 1 % | 12 % | 3 % | 4 % | 12 % | | Sand | 24 % | 19 % | 41 % | 37 % | 25 % | 41 % | | Silt | 23 % | 29 % | 34 % | 34 % | 51 % | 34 % | | Clay | 53 % | 52 % | 25 % | 29 % | 24 % | 25 % | | USDA Texture | Clay | Clay | Loam | Clay loam | Silt loam | Loam | | Reference Bulk Density | 1.23 g/cm³ | 1.23 g/cm³ | 1.38 g/cm³ | 1.35 g/cm³ | 1.35 g/cm³ | 1.38 g/cm³ | | Bulk Density | 1.31 g/cm³ | 1.35 g/cm³ | 1.39 g/cm³ | 1.51 g/cm³ | 1.6 g/cm³ | 1.39 g/cm³ | | Organic Carbon | 0.38 % | 0.45 % | 0.37 % | 0.36 % | 0.5 % | 0.37 % | | PH | 8.8 | 6 | 7 | 6.7 | 5.4 | 7 | | Clay Cation Exchange Capacity | 48 cmol kg⁻¹ | 40 cmol kg⁻¹ | 55 cmol kg⁻¹ | 50 cmol kg⁻¹ | 40 cmol kg⁻¹ | 55 cmol kg⁻¹ | | Soil Cation Exchange Capacity | 29 cmol kg⁻¹ | 23 cmol kg⁻¹ | 15 cmol kg⁻¹ | 14 cmol kg⁻¹ | 14 cmol kg⁻¹ | 15 cmol kg⁻¹ | | Base Saturation | 100 % | 84 % | 93 % | 93 % | 59 % | 93 % | | Total Exchangeable Bases | 55.3 cmol kg⁻¹ | 17 cmol kg⁻¹ | 15.1 cmol kg⁻¹ | 13.1 cmol kg⁻¹ | 4.9 cmol kg⁻¹ | 15.1 cmol kg⁻¹ | | Calcium Carbonate | 9 % | 0 % | 0.1 % | 0 % | 0 % | 0.1 % | | Calcium Sulphate | 0.5 % | 0 % | 0 % | 0 % | 0 % | 0 % | | Exchangeable Sodium | 42 % | 3 % | 2 % | 1 % | 0 % | 2 % | | Electrical Conductivity | 21.5 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 |
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