Petrified Forest National Park
— Protected Area Boundary | A | B | | | | Share | 60 % | 30 % | 10 % | 50 % | 30 % | 10 % | 10 % | Soil Type | Haplic Yermosols | Calcaric Regosols | Calcic Yermosols | Luvic Yermosols | Luvic Kastanozems | Calcaric Regosols | Calcic Kastanozems | Topsoil Texture | Medium | Medium | Medium | Medium | Medium | Medium | Medium | Reference Depth | 100 cm | 100 cm | 100 cm | 100 cm | 100 cm | 100 cm | 100 cm | Drainage | Moderately well | Moderately well | Moderately well | Moderately well | Moderately well | Moderately well | Moderately well | Available Water Capacity | 150 m | 150 m | 150 m | 150 m | 150 m | 150 m | 150 m | Topsoil Properties | Gravel | 20 % | 17 % | 20 % | 20 % | 8 % | 17 % | 8 % | Sand | 41 % | 43 % | 39 % | 50 % | 36 % | 43 % | 32 % | Silt | 39 % | 35 % | 37 % | 29 % | 41 % | 35 % | 43 % | Clay | 20 % | 22 % | 24 % | 21 % | 23 % | 22 % | 25 % | USDA Texture | Loam | Loam | Loam | Loam | Loam | Loam | Loam | Reference Bulk Density | 1.41 g/cm³ | 1.4 g/cm³ | 1.38 g/cm³ | 1.42 g/cm³ | 1.38 g/cm³ | 1.4 g/cm³ | 1.36 g/cm³ | Bulk Density | 1.51 g/cm³ | 1.4 g/cm³ | 1.46 g/cm³ | 1.5 g/cm³ | 1.2 g/cm³ | 1.4 g/cm³ | 1.26 g/cm³ | Organic Carbon | 0.41 % | 0.77 % | 0.37 % | 0.4 % | 1.27 % | 0.77 % | 1.44 % | PH | 8.3 | 8 | 8.1 | 7.3 | 7.3 | 8 | 8.1 | Clay Cation Exchange Capacity | 47 cmol kg⁻¹ | 40 cmol kg⁻¹ | 45 cmol kg⁻¹ | 47 cmol kg⁻¹ | 66 cmol kg⁻¹ | 40 cmol kg⁻¹ | 60 cmol kg⁻¹ | Soil Cation Exchange Capacity | 8 cmol kg⁻¹ | 17 cmol kg⁻¹ | 15 cmol kg⁻¹ | 7 cmol kg⁻¹ | 23 cmol kg⁻¹ | 17 cmol kg⁻¹ | 19 cmol kg⁻¹ | Base Saturation | 100 % | 100 % | 100 % | 100 % | 100 % | 100 % | 100 % | Total Exchangeable Bases | 18.1 cmol kg⁻¹ | 31.1 cmol kg⁻¹ | 24 cmol kg⁻¹ | 14 cmol kg⁻¹ | 18.4 cmol kg⁻¹ | 31.1 cmol kg⁻¹ | 18.4 cmol kg⁻¹ | Calcium Carbonate | 1.5 % | 15 % | 26 % | 0.5 % | 4.5 % | 15 % | 5 % | Calcium Sulphate | 0.1 % | 0 % | 0.1 % | 0.1 % | 0 % | 0 % | 0 % | Exchangeable Sodium | 6 % | 2 % | 8 % | 6 % | 3 % | 2 % | 3 % | Electrical Conductivity | 1 dS m-1 | 0.3 dS m-1 | 2.4 dS m-1 | 0.1 dS m-1 | 0.1 dS m-1 | 0.3 dS m-1 | 1.1 dS m-1 | Subsoil Properties | Gravel | 27 % | 18 % | 41 % | 27 % | 5 % | 18 % | 5 % | Sand | 38 % | 38 % | 30 % | 44 % | 29 % | 38 % | 30 % | Silt | 40 % | 36 % | 42 % | 28 % | 42 % | 36 % | 46 % | Clay | 22 % | 26 % | 28 % | 28 % | 29 % | 26 % | 24 % | USDA Texture | Loam | Loam | Clay loam | Clay loam | Clay loam | Loam | Loam | Reference Bulk Density | 1.39 g/cm³ | 1.36 g/cm³ | 1.34 g/cm³ | 1.37 g/cm³ | 1.33 g/cm³ | 1.36 g/cm³ | 1.36 g/cm³ | Bulk Density | 1.49 g/cm³ | 1.52 g/cm³ | 1.3 g/cm³ | 1.47 g/cm³ | 1.18 g/cm³ | 1.52 g/cm³ | 1.22 g/cm³ | Organic Carbon | 0.22 % | 0.53 % | 0.29 % | 0.28 % | 0.57 % | 0.53 % | 0.57 % | PH | 8.3 | 8.1 | 8.1 | 7.3 | 7.9 | 8.1 | 8.1 | Clay Cation Exchange Capacity | 42 cmol kg⁻¹ | 50 cmol kg⁻¹ | 35 cmol kg⁻¹ | 58 cmol kg⁻¹ | 68 cmol kg⁻¹ | 50 cmol kg⁻¹ | 78 cmol kg⁻¹ | Soil Cation Exchange Capacity | 9 cmol kg⁻¹ | 15 cmol kg⁻¹ | 11 cmol kg⁻¹ | 11 cmol kg⁻¹ | 24 cmol kg⁻¹ | 15 cmol kg⁻¹ | 18 cmol kg⁻¹ | Base Saturation | 100 % | 100 % | 100 % | 100 % | 100 % | 100 % | 100 % | Total Exchangeable Bases | 26.8 cmol kg⁻¹ | 41.1 cmol kg⁻¹ | 21.8 cmol kg⁻¹ | 14.6 cmol kg⁻¹ | 21.1 cmol kg⁻¹ | 41.1 cmol kg⁻¹ | 21.1 cmol kg⁻¹ | Calcium Carbonate | 4.5 % | 15 % | 35 % | 3.8 % | 10 % | 15 % | 14.3 % | Calcium Sulphate | 0.7 % | 0 % | 0.7 % | 0.7 % | 0 % | 0 % | 0 % | Exchangeable Sodium | 5 % | 1 % | 8 % | 4 % | 3 % | 1 % | 3 % | Electrical Conductivity | 3.8 dS m-1 | 0.3 dS m-1 | 2.6 dS m-1 | 9.7 dS m-1 | 3.6 dS m-1 | 0.3 dS m-1 | 2.5 dS m-1 |
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