Parque Nacional de Sierra San Pedro Martir
— Protected Area Boundary | | A | | | | | Share | 25 % | 15 % | 10 % | 15 % | 9 % | 6 % | 11 % | 9 % | | Soil Type | Lithic Leptosols | Eutric Regosols | Ferric Luvisols | Eutric Regosols | Lithic Leptosols | Haplic Phaeozems | Eutric Regosols | Lithic Leptosols | | Topsoil Texture | Medium | Coarse | Medium | Coarse | Medium | Fine | Coarse | Medium | | Reference Depth | 10 cm | 100 cm | 100 cm | 100 cm | 10 cm | 100 cm | 100 cm | 10 cm | | Drainage | Imperfectly | Somewhat excessive | Moderately well | Somewhat excessive | Imperfectly | Moderately well | Somewhat excessive | Imperfectly | | Available Water Capacity | 15 mm | 100 m | 150 m | 100 m | 15 mm | 150 m | 100 m | 15 mm | | Topsoil Properties | | Gravel | 28 % | 19 % | 19 % | 19 % | 28 % | 4 % | 19 % | 28 % | | Sand | 70 % | 73 % | 67 % | 73 % | 70 % | 25 % | 73 % | 70 % | | Silt | 20 % | 23 % | 18 % | 23 % | 20 % | 35 % | 23 % | 20 % | | Clay | 10 % | 4 % | 15 % | 4 % | 10 % | 40 % | 4 % | 10 % | | USDA Texture | Sandy loam | Sandy loam | Sandy loam | Sandy loam | Sandy loam | Clay | Sandy loam | Sandy loam | | Reference Bulk Density | 1.56 g/cm³ | 1.7 g/cm³ | 1.5 g/cm³ | 1.7 g/cm³ | 1.56 g/cm³ | 1.27 g/cm³ | 1.7 g/cm³ | 1.56 g/cm³ | | Bulk Density | 1.5 g/cm³ | 1.52 g/cm³ | 1.5 g/cm³ | 1.52 g/cm³ | 1.5 g/cm³ | 1.18 g/cm³ | 1.52 g/cm³ | 1.5 g/cm³ | | Organic Carbon | 1.6 % | 0.41 % | 0.39 % | 0.41 % | 1.6 % | 2.74 % | 0.41 % | 1.6 % | | PH | 6 | 6 | 6.1 | 6 | 6 | 6.4 | 6 | 6 | | Clay Cation Exchange Capacity | 52 cmol kg⁻¹ | 140 cmol kg⁻¹ | 68 cmol kg⁻¹ | 140 cmol kg⁻¹ | 52 cmol kg⁻¹ | 21 cmol kg⁻¹ | 140 cmol kg⁻¹ | 52 cmol kg⁻¹ | | Soil Cation Exchange Capacity | 11 cmol kg⁻¹ | 14 cmol kg⁻¹ | 12 cmol kg⁻¹ | 14 cmol kg⁻¹ | 11 cmol kg⁻¹ | 18 cmol kg⁻¹ | 14 cmol kg⁻¹ | 11 cmol kg⁻¹ | | Base Saturation | 100 % | 80 % | 81 % | 80 % | 100 % | 90 % | 80 % | 100 % | | Total Exchangeable Bases | 11 cmol kg⁻¹ | 11.2 cmol kg⁻¹ | 9.7 cmol kg⁻¹ | 11.2 cmol kg⁻¹ | 11 cmol kg⁻¹ | 16.2 cmol kg⁻¹ | 11.2 cmol kg⁻¹ | 11 cmol kg⁻¹ | | Calcium Carbonate | 0 % | 0 % | 0.1 % | 0 % | 0 % | 0.2 % | 0 % | 0 % | | Calcium Sulphate | 0 % | 0 % | 0.1 % | 0 % | 0 % | 0.1 % | 0 % | 0 % | | Exchangeable Sodium | 1 % | 2 % | 2 % | 2 % | 1 % | 1 % | 2 % | 1 % | | Electrical Conductivity | 0 dS m-1 | 0 dS m-1 | 0 dS m-1 | 0 dS m-1 | 0 dS m-1 | 0.1 dS m-1 | 0 dS m-1 | 0 dS m-1 | | Subsoil Properties | | Gravel | | 19 % | 10 % | 19 % | | 4 % | 19 % | | | Sand | | 73 % | 62 % | 73 % | | 21 % | 73 % | | | Silt | | 23 % | 19 % | 23 % | | 29 % | 23 % | | | Clay | | 4 % | 19 % | 4 % | | 50 % | 4 % | | | USDA Texture | | Sandy loam | Sandy loam | Sandy loam | | Clay | Sandy loam | | | Reference Bulk Density | | 1.7 g/cm³ | 1.45 g/cm³ | 1.7 g/cm³ | | 1.23 g/cm³ | 1.7 g/cm³ | | | Bulk Density | | 1.53 g/cm³ | 1.5 g/cm³ | 1.53 g/cm³ | | 1.12 g/cm³ | 1.53 g/cm³ | | | Organic Carbon | | 0.15 % | 0.44 % | 0.15 % | | 1.42 % | 0.15 % | | | PH | | 6.4 | 7 | 6.4 | | 6.2 | 6.4 | | | Clay Cation Exchange Capacity | | 140 cmol kg⁻¹ | 78 cmol kg⁻¹ | 140 cmol kg⁻¹ | | 20 cmol kg⁻¹ | 140 cmol kg⁻¹ | | | Soil Cation Exchange Capacity | | 13 cmol kg⁻¹ | 16 cmol kg⁻¹ | 13 cmol kg⁻¹ | | 15 cmol kg⁻¹ | 13 cmol kg⁻¹ | | | Base Saturation | | 85 % | 80 % | 85 % | | 94 % | 85 % | | | Total Exchangeable Bases | | 11.1 cmol kg⁻¹ | 12.8 cmol kg⁻¹ | 11.1 cmol kg⁻¹ | | 14.1 cmol kg⁻¹ | 11.1 cmol kg⁻¹ | | | Calcium Carbonate | | 0.2 % | 0.4 % | 0.2 % | | 0.1 % | 0.2 % | | | Calcium Sulphate | | 0.1 % | 0.1 % | 0.1 % | | 0 % | 0.1 % | | | Exchangeable Sodium | | 3 % | 1 % | 3 % | | 1 % | 3 % | | | Electrical Conductivity | | 0.1 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | | 0 dS m-1 | 0.1 dS m-1 | |
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