Parc National des Iles Zembra et Zembretta
| Location: | Tunisia | | IUCN Category: | II | | Area: | 880 acres (356 hectares) | | Species: | All Endangered Invasive | | Climate: | View Climate Data | | Köppen climate classification: | Csa (Climate: warm temperate; Precipitation: summer dry; Temperature: hot summer) |
— Protected Area Boundary | | A | | | | | Share | 50 % | 30 % | 20 % | | Soil Type | Calcic Luvisols | Calcic Kastanozems | Sodic Solonchaks | | Topsoil Texture | Medium | Fine | Medium | | Reference Depth | 100 cm | 100 cm | 100 cm | | Drainage | Moderately well | Moderately well | Moderately well | | Available Water Capacity | 150 m | 150 m | 150 m | | Topsoil Properties | | Gravel | 9 % | 3 % | 13 % | | Sand | 26 % | 37 % | 41 % | | Silt | 59 % | 25 % | 36 % | | Clay | 15 % | 38 % | 23 % | | USDA Texture | Silt loam | Clay loam | Loam | | Reference Bulk Density | 1.42 g/cm³ | 1.31 g/cm³ | 1.39 g/cm³ | | Bulk Density | 1.51 g/cm³ | 1.3 g/cm³ | 1.56 g/cm³ | | Organic Carbon | 1.73 % | 0.63 % | 0.41 % | | PH | 8.7 | 8.5 | 8 | | Clay Cation Exchange Capacity | 47 cmol kg⁻¹ | 54 cmol kg⁻¹ | 41 cmol kg⁻¹ | | Soil Cation Exchange Capacity | 13 cmol kg⁻¹ | 23 cmol kg⁻¹ | 11 cmol kg⁻¹ | | Base Saturation | 97 % | 100 % | 100 % | | Total Exchangeable Bases | 12.3 cmol kg⁻¹ | 23 cmol kg⁻¹ | 11.3 cmol kg⁻¹ | | Calcium Carbonate | 30.8 % | 3.2 % | 13.1 % | | Calcium Sulphate | 0.1 % | 0.1 % | 1.7 % | | Exchangeable Sodium | 13 % | 6 % | 36 % | | Electrical Conductivity | 1 dS m-1 | 0 dS m-1 | 17 dS m-1 | | Subsoil Properties | | Gravel | 28 % | 4 % | 34 % | | Sand | 28 % | 31 % | 38 % | | Silt | 52 % | 23 % | 35 % | | Clay | 20 % | 46 % | 27 % | | USDA Texture | Silt loam | Clay | Clay loam | | Reference Bulk Density | 1.38 g/cm³ | 1.27 g/cm³ | 1.36 g/cm³ | | Bulk Density | 1.45 g/cm³ | 1.38 g/cm³ | 1.41 g/cm³ | | Organic Carbon | 0.86 % | 0.41 % | 0.19 % | | PH | 8.5 | 8.6 | 8.1 | | Clay Cation Exchange Capacity | 66 cmol kg⁻¹ | 45 cmol kg⁻¹ | 49 cmol kg⁻¹ | | Soil Cation Exchange Capacity | 16 cmol kg⁻¹ | 22 cmol kg⁻¹ | 14 cmol kg⁻¹ | | Base Saturation | 97 % | 100 % | 100 % | | Total Exchangeable Bases | 15.6 cmol kg⁻¹ | 21.9 cmol kg⁻¹ | 14 cmol kg⁻¹ | | Calcium Carbonate | 35.8 % | 12.1 % | 10.3 % | | Calcium Sulphate | 0.1 % | 0.1 % | 1.7 % | | Exchangeable Sodium | 9 % | 11 % | 33 % | | Electrical Conductivity | 0.4 dS m-1 | 0.3 dS m-1 | 20.1 dS m-1 |
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