Secans del Segrià i Utxesa
— Protected Area Boundary | | A | B | | | | | | Share | 70 % | 20 % | 10 % | 75 % | 20 % | 5 % | | Soil Type | Calcaric Fluvisols | Calcaric Cambisols | Calcaric Fluvisols | Calcaric Cambisols | Calcaric Regosols | Haplic Solonchaks | | Topsoil Texture | Medium | Medium | Medium | Fine | Fine | Fine | | Reference Depth | 100 cm | 100 cm | 100 cm | 100 cm | 100 cm | 100 cm | | Drainage | Poor | Moderately well | Poor | Moderately well | Moderately well | Moderately well | | Available Water Capacity | 75 m | 150 m | 150 m | 50 m | 15 m | 50 m | | Phase 1 | Gravelly | | | Gravelly | Gravelly | Gravelly | | Phase 2 | | | | Petrocalcic | | | | Root Obstacle | None to 80 cm | None to 80 cm | None to 80 cm | None to 80 cm | 20 - 40 cm | None to 80 cm | | Impermeable Layer | None to 150 cm | None to 150 cm | 40 - 80 cm | None to 150 cm | 40 - 80 cm | None to 150 cm | | Soil Water Regime | 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 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 | 15 % | 6 % | 15 % | 5 % | 48 % | 4 % | | Sand | 34 % | 36 % | 34 % | 19 % | 22 % | 19 % | | Silt | 48 % | 43 % | 48 % | 32 % | 36 % | 29 % | | Clay | 18 % | 21 % | 18 % | 49 % | 42 % | 52 % | | USDA Texture | Loam | Loam | Loam | Clay | Clay | Clay | | Reference Bulk Density | 1.41 g/cm³ | 1.39 g/cm³ | 1.41 g/cm³ | 1.24 g/cm³ | 1.27 g/cm³ | 1.23 g/cm³ | | Bulk Density | 1.39 g/cm³ | 1.41 g/cm³ | 1.39 g/cm³ | 1.28 g/cm³ | 1.28 g/cm³ | 1.23 g/cm³ | | Organic Carbon | 0.6 % | 0.65 % | 0.6 % | 0.87 % | 1.83 % | 0.54 % | | PH | 8 | 8 | 8 | 7.8 | 7.6 | 8.9 | | Clay Cation Exchange Capacity | 68 cmol kg⁻¹ | 52 cmol kg⁻¹ | 68 cmol kg⁻¹ | 57 cmol kg⁻¹ | 32 cmol kg⁻¹ | 48 cmol kg⁻¹ | | Soil Cation Exchange Capacity | 14 cmol kg⁻¹ | 16 cmol kg⁻¹ | 14 cmol kg⁻¹ | 30 cmol kg⁻¹ | 23 cmol kg⁻¹ | 31 cmol kg⁻¹ | | Base Saturation | 100 % | 100 % | 100 % | 100 % | 62 % | 100 % | | Total Exchangeable Bases | 19.8 cmol kg⁻¹ | 24.3 cmol kg⁻¹ | 19.8 cmol kg⁻¹ | 46.6 cmol kg⁻¹ | 12.9 cmol kg⁻¹ | 46.5 cmol kg⁻¹ | | Calcium Carbonate | 11.7 % | 7 % | 11.7 % | 4.9 % | 3 % | 3 % | | Calcium Sulphate | 0.2 % | 0 % | 0.2 % | 0.1 % | 0 % | 0.4 % | | Exchangeable Sodium | 3 % | 1 % | 3 % | 1 % | 1 % | 43 % | | Electrical Conductivity | 0.7 dS m-1 | 0.4 dS m-1 | 0.7 dS m-1 | 0.2 dS m-1 | 0.1 dS m-1 | 5.9 dS m-1 | | Subsoil Properties | | Gravel | 10 % | 10 % | 10 % | 5 % | 33 % | 6 % | | Sand | 36 % | 34 % | 36 % | 23 % | 21 % | 33 % | | Silt | 46 % | 43 % | 46 % | 35 % | 36 % | 28 % | | Clay | 18 % | 23 % | 18 % | 42 % | 43 % | 39 % | | USDA Texture | Loam | Loam | Loam | Clay | Clay | Clay | | Reference Bulk Density | 1.41 g/cm³ | 1.38 g/cm³ | 1.41 g/cm³ | 1.26 g/cm³ | 1.25 g/cm³ | 1.29 g/cm³ | | Bulk Density | 1.41 g/cm³ | 1.45 g/cm³ | 1.41 g/cm³ | 1.35 g/cm³ | 1.35 g/cm³ | 1.31 g/cm³ | | Organic Carbon | 0.4 % | 0.43 % | 0.4 % | 0.39 % | 0.5 % | 0.38 % | | PH | 8.1 | 8.1 | 8.1 | 8.1 | 7.8 | 9 | | Clay Cation Exchange Capacity | 84 cmol kg⁻¹ | 54 cmol kg⁻¹ | 84 cmol kg⁻¹ | 58 cmol kg⁻¹ | 39 cmol kg⁻¹ | 50 cmol kg⁻¹ | | Soil Cation Exchange Capacity | 13 cmol kg⁻¹ | 16 cmol kg⁻¹ | 13 cmol kg⁻¹ | 26 cmol kg⁻¹ | 20 cmol kg⁻¹ | 31 cmol kg⁻¹ | | Base Saturation | 100 % | 100 % | 100 % | 100 % | 55 % | 100 % | | Total Exchangeable Bases | 20.7 cmol kg⁻¹ | 28.7 cmol kg⁻¹ | 20.7 cmol kg⁻¹ | 44.8 cmol kg⁻¹ | 11.6 cmol kg⁻¹ | 55.3 cmol kg⁻¹ | | Calcium Carbonate | 12.2 % | 8.7 % | 12.2 % | 11.2 % | 3 % | 3 % | | Calcium Sulphate | 0.2 % | 0.4 % | 0.2 % | 0 % | 0 % | 0.5 % | | Exchangeable Sodium | 3 % | 1 % | 3 % | 2 % | 3 % | 42 % | | Electrical Conductivity | 0.5 dS m-1 | 0.3 dS m-1 | 0.5 dS m-1 | 0.2 dS m-1 | 0.1 dS m-1 | 14.8 dS m-1 |
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