Reserva de la Biosfera de Sian Ka'an
— Protected Area Boundary | | A | B | | | | | | Share | 75 % | 25 % | 45 % | 30 % | 25 % | | Soil Type | Rendzic Leptosols | Lithic Leptosols | Mollic Gleysols | Rendzic Leptosols | Lithic Leptosols | | Topsoil Texture | Medium | Medium | Fine | Medium | Medium | | Reference Depth | 30 cm | 10 cm | 100 cm | 30 cm | 10 cm | | Drainage | Imperfectly | Imperfectly | Very poor | Imperfectly | Imperfectly | | Available Water Capacity | 50 mm | 15 mm | 150 m | 50 mm | 15 mm | | Topsoil Properties | | Gravel | 10 % | 28 % | 20 % | 10 % | 28 % | | Sand | 42 % | 50 % | 34 % | 42 % | 50 % | | Silt | 24 % | 26 % | 22 % | 24 % | 26 % | | Clay | 34 % | 24 % | 44 % | 34 % | 24 % | | USDA Texture | Clay loam | Sandy clay loam | Clay | Clay loam | Sandy clay loam | | Reference Bulk Density | 1.33 g/cm³ | 1.39 g/cm³ | 1.27 g/cm³ | 1.33 g/cm³ | 1.39 g/cm³ | | Bulk Density | 1.2 g/cm³ | 1.09 g/cm³ | 1.1 g/cm³ | 1.2 g/cm³ | 1.09 g/cm³ | | Organic Carbon | 7.6 % | 14 % | 0.26 % | 7.6 % | 14 % | | PH | 7.5 | 7.7 | 7.9 | 7.5 | 7.7 | | Clay Cation Exchange Capacity | 23 cmol kg⁻¹ | | 55 cmol kg⁻¹ | 23 cmol kg⁻¹ | | | Soil Cation Exchange Capacity | 35 cmol kg⁻¹ | 44 cmol kg⁻¹ | 25 cmol kg⁻¹ | 35 cmol kg⁻¹ | 44 cmol kg⁻¹ | | Base Saturation | 100 % | 100 % | 100 % | 100 % | 100 % | | Total Exchangeable Bases | 35 cmol kg⁻¹ | 44 cmol kg⁻¹ | 25 cmol kg⁻¹ | 35 cmol kg⁻¹ | 44 cmol kg⁻¹ | | Calcium Carbonate | 15.9 % | 3.9 % | 2 % | 15.9 % | 3.9 % | | Calcium Sulphate | 0.1 % | 0.1 % | 0.1 % | 0.1 % | 0.1 % | | Exchangeable Sodium | 1 % | 4 % | 2 % | 1 % | 4 % | | Electrical Conductivity | 0.2 dS m-1 | 0.4 dS m-1 | 0.2 dS m-1 | 0.2 dS m-1 | 0.4 dS m-1 | | Subsoil Properties | | Gravel | | | 10 % | | | | Sand | | | 31 % | | | | Silt | | | 22 % | | | | Clay | | | 47 % | | | | USDA Texture | | | Clay | | | | Reference Bulk Density | | | 1.26 g/cm³ | | | | Bulk Density | | | 1.1 g/cm³ | | | | Organic Carbon | | | 0.13 % | | | | PH | | | 8 | | | | Clay Cation Exchange Capacity | | | 62 cmol kg⁻¹ | | | | Soil Cation Exchange Capacity | | | 30 cmol kg⁻¹ | | | | Base Saturation | | | 100 % | | | | Total Exchangeable Bases | | | 30 cmol kg⁻¹ | | | | Calcium Carbonate | | | 2 % | | | | Calcium Sulphate | | | 0.1 % | | | | Exchangeable Sodium | | | 2 % | | | | Electrical Conductivity | | | 0.5 dS m-1 | | |
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