Chaco Culture National Historical Park
— Protected Area Boundary | | A | | | | | Share | 50 % | 30 % | 10 % | 10 % | | Soil Type | Luvic Yermosols | Haplic Yermosols | Calcaric Regosols | Lithosols | | Topsoil Texture | Medium | Medium | Medium | Medium | | Reference Depth | 100 cm | 100 cm | 100 cm | 10 cm | | Drainage | Moderately well | Moderately well | Moderately well | Imperfectly | | Available Water Capacity | 100 m | 150 m | 150 m | 15 mm | | Phase 1 | Stony | | | | | Topsoil Properties | | Gravel | 20 % | 20 % | 17 % | 26 % | | Sand | 50 % | 41 % | 43 % | 43 % | | Silt | 29 % | 39 % | 35 % | 34 % | | Clay | 21 % | 20 % | 22 % | 23 % | | USDA Texture | Loam | Loam | Loam | Loam | | Reference Bulk Density | 1.42 g/cm³ | 1.41 g/cm³ | 1.4 g/cm³ | 1.39 g/cm³ | | Bulk Density | 1.5 g/cm³ | 1.51 g/cm³ | 1.4 g/cm³ | 1.3 g/cm³ | | Organic Carbon | 0.4 % | 0.41 % | 0.77 % | 1.4 % | | PH | 7.3 | 8.3 | 8 | 7.6 | | Clay Cation Exchange Capacity | 47 cmol kg⁻¹ | 47 cmol kg⁻¹ | 40 cmol kg⁻¹ | 42 cmol kg⁻¹ | | Soil Cation Exchange Capacity | 7 cmol kg⁻¹ | 8 cmol kg⁻¹ | 17 cmol kg⁻¹ | 15 cmol kg⁻¹ | | Base Saturation | 100 % | 100 % | 100 % | 100 % | | Total Exchangeable Bases | 14 cmol kg⁻¹ | 18.1 cmol kg⁻¹ | 31.1 cmol kg⁻¹ | 15.6 cmol kg⁻¹ | | Calcium Carbonate | 0.5 % | 1.5 % | 15 % | 3.9 % | | Calcium Sulphate | 0.1 % | 0.1 % | 0 % | 0 % | | Exchangeable Sodium | 6 % | 6 % | 2 % | 4 % | | Electrical Conductivity | 0.1 dS m-1 | 1 dS m-1 | 0.3 dS m-1 | 0.1 dS m-1 | | Subsoil Properties | | Gravel | 27 % | 27 % | 18 % | | | Sand | 44 % | 38 % | 38 % | | | Silt | 28 % | 40 % | 36 % | | | Clay | 28 % | 22 % | 26 % | | | USDA Texture | Clay loam | Loam | Loam | | | Reference Bulk Density | 1.37 g/cm³ | 1.39 g/cm³ | 1.36 g/cm³ | | | Bulk Density | 1.47 g/cm³ | 1.49 g/cm³ | 1.52 g/cm³ | | | Organic Carbon | 0.28 % | 0.22 % | 0.53 % | | | PH | 7.3 | 8.3 | 8.1 | | | Clay Cation Exchange Capacity | 58 cmol kg⁻¹ | 42 cmol kg⁻¹ | 50 cmol kg⁻¹ | | | Soil Cation Exchange Capacity | 11 cmol kg⁻¹ | 9 cmol kg⁻¹ | 15 cmol kg⁻¹ | | | Base Saturation | 100 % | 100 % | 100 % | | | Total Exchangeable Bases | 14.6 cmol kg⁻¹ | 26.8 cmol kg⁻¹ | 41.1 cmol kg⁻¹ | | | Calcium Carbonate | 3.8 % | 4.5 % | 15 % | | | Calcium Sulphate | 0.7 % | 0.7 % | 0 % | | | Exchangeable Sodium | 4 % | 5 % | 1 % | | | Electrical Conductivity | 9.7 dS m-1 | 3.8 dS m-1 | 0.3 dS m-1 | |
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