Isola di Sant'Antioco, Capo Sperone
— Protected Area Boundary | | A | B | | | | | | Share | 35 % | 30 % | 15 % | 10 % | 5 % | 5 % | 30 % | 20 % | 20 % | 5 % | 5 % | | Soil Type | Calcaric Regosols | Eutric Regosols | Eutric Cambisols | Lithic Leptosols | Gleyic Luvisols | Haplic Luvisols | Lithic Leptosols | Lithic Leptosols | Lithic Leptosols | Umbric Leptosols | Rendzic Leptosols | | Topsoil Texture | Medium | Fine | Medium | Medium | Medium | Medium | Medium | Medium | Medium | Medium | Medium | | Reference Depth | 100 cm | 100 cm | 100 cm | 10 cm | 100 cm | 100 cm | 10 cm | 10 cm | 10 cm | 30 cm | 30 cm | | Drainage | Moderately well | Moderately well | Moderately well | Imperfectly | Poor | Moderately well | Imperfectly | Imperfectly | Imperfectly | Imperfectly | Imperfectly | | Available Water Capacity | 100 m | 75 m | 100 m | 15 mm | 100 m | 100 m | 15 mm | 15 mm | 15 mm | 15 mm | 15 mm | | Phase 1 | Stony | Stony | Stony | Stony | Stony | Stony | Stony | Stony | Stony | Stony | Stony | | Root Obstacle | 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 | 80 - 150 cm | | None to 150 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 | 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 | 14 % | 48 % | 9 % | 21 % | 5 % | 4 % | 21 % | 21 % | 21 % | 6 % | 16 % | | Sand | 44 % | 26 % | 42 % | 42 % | 47 % | 41 % | 42 % | 42 % | 42 % | 49 % | 37 % | | Silt | 35 % | 30 % | 36 % | 34 % | 29 % | 37 % | 34 % | 34 % | 34 % | 31 % | 44 % | | Clay | 21 % | 44 % | 22 % | 24 % | 24 % | 22 % | 24 % | 24 % | 24 % | 20 % | 19 % | | USDA Texture | Loam | Clay | Loam | Loam | Loam | Loam | Loam | Loam | Loam | Loam | Loam | | Reference Bulk Density | 1.41 g/cm³ | 1.26 g/cm³ | 1.4 g/cm³ | 1.38 g/cm³ | 1.39 g/cm³ | 1.4 g/cm³ | 1.38 g/cm³ | 1.38 g/cm³ | 1.38 g/cm³ | 1.43 g/cm³ | 1.41 g/cm³ | | Bulk Density | 1.37 g/cm³ | 1.28 g/cm³ | 1.37 g/cm³ | 1.3 g/cm³ | 1.54 g/cm³ | 1.43 g/cm³ | 1.3 g/cm³ | 1.3 g/cm³ | 1.3 g/cm³ | 1.1 g/cm³ | 1.24 g/cm³ | | Organic Carbon | 0.75 % | 1.89 % | 1 % | 1.61 % | 0.83 % | 0.74 % | 1.61 % | 1.61 % | 1.61 % | 2.4 % | 2.13 % | | PH | 8 | 6.1 | 6.6 | 7.5 | 6.3 | 6.5 | 7.5 | 7.5 | 7.5 | 5.1 | 7.5 | | Clay Cation Exchange Capacity | 45 cmol kg⁻¹ | 52 cmol kg⁻¹ | 55 cmol kg⁻¹ | 42 cmol kg⁻¹ | 46 cmol kg⁻¹ | 47 cmol kg⁻¹ | 42 cmol kg⁻¹ | 42 cmol kg⁻¹ | 42 cmol kg⁻¹ | 34 cmol kg⁻¹ | 80 cmol kg⁻¹ | | Soil Cation Exchange Capacity | 17 cmol kg⁻¹ | 24 cmol kg⁻¹ | 16 cmol kg⁻¹ | 16 cmol kg⁻¹ | 16 cmol kg⁻¹ | 13 cmol kg⁻¹ | 16 cmol kg⁻¹ | 16 cmol kg⁻¹ | 16 cmol kg⁻¹ | 12 cmol kg⁻¹ | 27 cmol kg⁻¹ | | Base Saturation | 100 % | 62 % | 93 % | 100 % | 93 % | 91 % | 100 % | 100 % | 100 % | 36 % | 100 % | | Total Exchangeable Bases | 26.8 cmol kg⁻¹ | 12.9 cmol kg⁻¹ | 14 cmol kg⁻¹ | 15.5 cmol kg⁻¹ | 14.9 cmol kg⁻¹ | 11 cmol kg⁻¹ | 15.5 cmol kg⁻¹ | 15.5 cmol kg⁻¹ | 15.5 cmol kg⁻¹ | 4.7 cmol kg⁻¹ | 28.8 cmol kg⁻¹ | | Calcium Carbonate | 15 % | 0 % | 0 % | 3.9 % | 0 % | 0 % | 3.9 % | 3.9 % | 3.9 % | 0 % | 6 % | | Calcium Sulphate | 0 % | 0 % | 0 % | 0 % | 0 % | 0 % | 0 % | 0 % | 0 % | 0 % | 0 % | | Exchangeable Sodium | 2 % | 0 % | 2 % | 3 % | 2 % | 1 % | 3 % | 3 % | 3 % | 4 % | 2 % | | Electrical Conductivity | 0.2 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 | 0.1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | | Subsoil Properties | | Gravel | 18 % | 33 % | 12 % | | 6 % | 3 % | | | | | | | Sand | 40 % | 24 % | 41 % | | 39 % | 37 % | | | | | | | Silt | 35 % | 27 % | 34 % | | 27 % | 34 % | | | | | | | Clay | 25 % | 49 % | 25 % | | 34 % | 29 % | | | | | | | USDA Texture | Loam | Clay | Loam | | Clay loam | Clay loam | | | | | | | Reference Bulk Density | 1.37 g/cm³ | 1.24 g/cm³ | 1.38 g/cm³ | | 1.33 g/cm³ | 1.35 g/cm³ | | | | | | | Bulk Density | 1.5 g/cm³ | 1.35 g/cm³ | 1.39 g/cm³ | | 1.65 g/cm³ | 1.51 g/cm³ | | | | | | | Organic Carbon | 0.47 % | 0.61 % | 0.37 % | | 0.28 % | 0.36 % | | | | | | | PH | 8.1 | 6.4 | 7 | | 7 | 6.7 | | | | | | | Clay Cation Exchange Capacity | 52 cmol kg⁻¹ | 40 cmol kg⁻¹ | 55 cmol kg⁻¹ | | 44 cmol kg⁻¹ | 50 cmol kg⁻¹ | | | | | | | Soil Cation Exchange Capacity | 15 cmol kg⁻¹ | 23 cmol kg⁻¹ | 15 cmol kg⁻¹ | | 16 cmol kg⁻¹ | 14 cmol kg⁻¹ | | | | | | | Base Saturation | 100 % | 55 % | 93 % | | 99 % | 93 % | | | | | | | Total Exchangeable Bases | 36.5 cmol kg⁻¹ | 11.6 cmol kg⁻¹ | 15.1 cmol kg⁻¹ | | 15.9 cmol kg⁻¹ | 13.1 cmol kg⁻¹ | | | | | | | Calcium Carbonate | 15 % | 0 % | 0.1 % | | 0.4 % | 0 % | | | | | | | Calcium Sulphate | 0 % | 0 % | 0 % | | 0 % | 0 % | | | | | | | Exchangeable Sodium | 2 % | 0 % | 2 % | | 2 % | 1 % | | | | | | | Electrical Conductivity | 0.3 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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