Table 1.
Environmental and diversity-related variables associated with nutrient parameters in Dryopteris filix mass.
| Variables | Code | Unit | Groups | F | p value | ||
|---|---|---|---|---|---|---|---|
| I | II | III | |||||
| Latitude | Lat | (°) | 34.01 ± 0.4 | 34.82 ± 0.5 | 34.80 ± 0.58 | 0.4 | 0.68 |
| Longitude | Long | (°) | 72.25 ± 0.07 | 72.24 ± 0.09 | 72.25 ± 0.09 | 0.11 | 0.9 |
| Altitude | Alt | m | 2,207 ± 29 | 1,954 ± 47.2 | 1,822 ± 154 | 6.98 | 0.004 |
| Aspect degree | AD | (°) | 246.5 ± 44 | 208.7 ± 42 | 217.9 ± 34 | 0.19 | 0.83 |
| pH | -- | (1:5) | 6.98 ± 0.12 | 6.96 ± 0.098 | 6.99 ± 0.05 | 0.05 | 0.95 |
| Electrical conductivity | EC | S/m | 0.27 ± 0.01 | 0.31 ± 0.03 | 0.30 ± 0.02 | 0.35 | 0.71 |
| Phosphorus | P | (ppm) | 11.58 ± 1.6 | 8.57 ± 1.07 | 7.21 ± 0.8 | 3.69 | 0.04 |
| Nitrogen | N | (%) | 0.029 ± 0.03 | 0.044 ± 0.01 | 0.02 ± 0.002 | 0.89 | 0.42 |
| Potassium | K | (ppm) | 89.7 ± 13 | 96.6 ± 10 | 111.2 ± 6 | 1.49 | 0.24 |
| Organic matter | OM | (%) | 0.58 ± 0.07 | 0.50 ± 0.04 | 0.51 ± 0.04 | 0.59 | 0.56 |
| Clay | -- | (%) | 4.57 ± 0.8 | 6.66 ± 0.8 | 6.14 ± 0.6 | 1.62 | 0.22 |
| Silt | -- | (%) | 24.2 ± 0.8 | 36.2 ± 3.4 | 32.42 ± 1.2 | 6.66 | 0 |
| Sand | -- | (%) | 71.1 ± 0.7 | 60 ± 1.66 | 61.42 ± 1.7 | 10.23 | 0 |
| Wilting point | WP | (%) | 0.06 ± 0.0035 | 0.07 ± 0.003 | 0.07 ± 0.002 | 3.76 | 0.04 |
| Field capacity | FC | (%) | 0.16 ± 0.03 | 0.21 ± 0.01 | 0.19 ± 0.005 | 7.79 | 0 |
| Bulk density | BD | (%) | 1.70 ± 0.07 | 1.58 ± 0.03 | 1.63 ± 0.02 | 2.98 | 0.07 |
| Available water | AW | (%) | 0.10 ± 0.01 | 0.12 ± 0.003 | 0.11 ± 0.002 | 8.33 | 0 |
| Species richness | S | --- | 9.14 ± 1.43 | 13.22 ± 0.81 | 10.57 ± 0.60 | 4.76 | 0.02 |
| Shannon-Wiener diversity index | H | --- | 1.76 ± 0.09 | 2.06 ± ±0.06 | 2.00 ± 0.07 | 3.09 | 0.06 |
| Evenness or equitability index | J | --- | 0.83 ± 0.03 | 0.80 ± 0.018 | 0.85 ± 0.015 | 1.89 | 0.17 |
| Simpson’s index | I/D | --- | 3.02 ± 0.02 | 4.03 ± 0.32 | 3.98 ± 0.21 | 2.21 | 0.07 |