Table 3 Minimum, maximum, mean, and standard deviation of environmental variables for the main assemblages resulted from TWINSPAN
From: Floral diversity and conservation status of vascular plants in arid mountainous areas
Assemblage | I | II | III | IV | V | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
No. of sites | 11 | 30 | 27 | 9 | 2 | |||||||||||||||
Min | Max | Mean | Std Dev | Min | Max | Mean | Std Dev | Min | Max | Mean | Std Dev | Min | Max | Mean | Std Dev | Min | Max | Mean | Std Dev | |
Physical properties | ||||||||||||||||||||
Soil texture (pipette) | ||||||||||||||||||||
Sand% | 29 | 90.5 | 62.6 | 17.54 | 34.1 | 92.5 | 72.19 | 12.09 | 37.5 | 85.8 | 65.46 | 11.32 | 5.22 | 56.3 | 80.5 | 69.78 | 74.4 | 82.9 | 78.65 | 6.01 |
Silt% | 3.7 | 60.5 | 17 | 16.63 | 2.2 | 27.3 | 9.48 | 6.37 | 4.8 | 37.5 | 14.72 | 7.47 | 7.3 | 21.6 | 14.8 | 5.10 | 9.3 | 9.8 | 9.55 | 0.35 |
Caly% | 5.8 | 23.8 | 12.94 | 5.55 | 1 | 30 | 9.36 | 5.70 | 3 | 22.7 | 12.53 | 5.22 | 3.05 | 28.2 | 12.99 | 8.46 | 7.3 | 16.3 | 11.8 | 6.36 |
Organic matter% | 0.05 | 0.61 | 0.23 | 0.18 | 0.054 | 0.74 | 0.32 | 0.18 | 0.05 | 1.11 | 0.35 | 0.32 | 0.08 | 1.18 | 0.37 | 0.33 | 0.10 | 0.38 | 0.24 | 0.19 |
Organic carbon % | 0.31 | 0.35 | 0.138 | 0.107 | 0.031 | 0.43 | 0.031 | 0.43 | 0.03 | 0.64 | 0.20 | 0.188 | 0.04 | 0.68 | 0.19 | 0.21 | 0.06 | 0.22 | 0.14 | 0.11 |
Moisture content % | 0.26 | 3.9 | 1.27 | 0.98 | 0.4 | 11.5 | 2.15 | 2.22 | 0.2 | 0.2 | 1.76 | 1.30 | 0.4 | 12.1 | 4.41 | 3.67 | 2.5 | 11.9 | 7.2 | 6.64 |
Chemical properties | ||||||||||||||||||||
pH | 7.77 | 9.24 | 8.63 | 0.48 | 7.61 | 7.61 | 7.61 | 5.42 | 7.13 | 8.55 | 7.94 | 0.37 | 6.87 | 8.24 | 7.68 | 0.44 | 0.06 | 8.47 | 8.26 | 0.28 |
EC (dsm− 1) | 1.3 | 10.8 | 5.89 | 3.03 | 1.06 | 62.6 | 1.06 | 62.6 | 1.4 | 76.2 | 15.56 | 19.97 | 4.83 | 181 | 74.59 | 64.73 | 8.14 | 27.8 | 17.97 | 13.90 |
Cations ( mEq/L ) | ||||||||||||||||||||
Ca2+ | 7 | 33 | 21.97 | 8.35 | 2.8 | 84 | 2.8 | 84 | 7 | 240 | 55.10 | 63.03 | 33 | 470 | 140.28 | 138.31 | 15.3 | 59.7 | 37.5 | 31.39 |
Mg2+ | 5.6 | 22 | 14.53 | 5.28 | 2.1 | 44 | 13.56 | 89.11 | 5 | 150 | 32.15 | 38.96 | 10.4 | 180 | 77.91 | 57.97 | 14.5 | 47 | 30.75 | 22.98 |
Na+ | 3.2 | 56.3 | 23.87 | 20.77 | 3.1 | 497 | 13.41 | 7.53 | 4.4 | 378 | 68.36 | 99.06 | 4.6 | 1496 | 526.28 | 497.33 | 51.3 | 171 | 115.11 | 84.64 |
K+ | 0.1 | 0.5 | 0.29 | 0.14 | 0.2 | 1 | 0.30 | 0.16 | 0.2 | 2 | 0.46 | 0.53 | 0.3 | 3 | 1.42 | 0.97 | 0.3 | 0.5 | 0.4 | 0.14 |
Anions ( mEq/L ) | ||||||||||||||||||||
HCO3− | 1.8 | 12.2 | 6.67 | 3.55 | 1.4 | 25 | 6.98 | 5.27 | 1.6 | 71 | 12.18 | 17.02 | 9 | 81 | 34.4 | 26.90 | 11.2 | 19.7 | 15.45 | 6.01 |
Cl− | 6.2 | 69 | 31.19 | 18.11 | 5.1 | 398 | 39.09 | 69.21 | 5.5 | 496 | 94.98 | 127.18 | 28 | 1410 | 529.11 | 508.93 | 34.9 | 160 | 97.45 | 88.45 |
SO42− | 4.6 | 39.7 | 11.57 | 21.03 | 3.3 | 203 | 23.51 | 43.91 | 4.7 | 217 | 48.48 | 57.69 | 11.3 | 335 | 182.43 | 130.90 | 35.3 | 98.2 | 66.75 | 44.47 |
CaCO3% | 7.5 | 32.3 | 20.86 | 8.86 | 7.6 | 34.3 | 19.86 | 7.22 | 6.5 | 33.2 | 14.68 | 6.90 | 8 | 24.9 | 18.02 | 6.02 | 22.5 | 23.3 | 22.9 | 0.56 |