Table 3
Riparian condition characterization (mean and standard deviation) of sampling sites in the Langueyú stream. The redundancy test shows the non-redundant variables (pass). Non-redundant variables are highlighted. The numbers in redundant variables represent the selected informative variables accounting for their information. RQI = riparian quality index.
| N° | Variable | Code | Urban | Cropland | Livestock | Natural grassland | Redundancy Test |
|---|---|---|---|---|---|---|---|
| Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | ||||
| 1 | Riparian width min (m) | Riwid min | 9.24 (0) | 9.73 (0.64) | 0 | 21.5 (0) | Pass |
| 2 | Riparian width average (m) | Riwid avg | 11.2 (0.05) | 17.05 (1.18) | 23.48 (0) | 26.28 (0) | Pass |
| 3 | Riparian width max (m) | Riwid max | 15.13 (0.6) | 21.88 (0.46) | 33.8 (0) | 32.3 (0) | 2 |
| 4 | Woody cover (%) | Wcov | 0.22 (0.02) | 0.02 (0.01) | 0 | 0.07 (0.004) | 5 |
| 5 | Herbaceous cover (%) | Hcov | 0.78 (0.02) | 0.98 (0.01) | 1 (0) | 0.93 (0.004) | Pass |
| 6 | Bare soil (%) | Bscov | 0.11 (0.04) | 0.18 (0.16) | 0.21 (0.01) | 0 | Pass |
| 7 | Shrubs (n) | Shrubs | 0 | 0.33 (0.29) | 0 | 3.33 (2.89) | 5 |
| 8 | Trees (n) | Tress | 23.17 (2.75) | 2.17 (0.29) | 0 | 11 (2.6) | 5 |
| 9 | Bank stability(%) | Bstabil | 0.84 (0.1) | 0.74 (0.09) | 0.57 (0.04) | 0.84 (0.12) | Pass |
| 10 | Bank incisions By livestock (n) | Bincilive | 0 | 0 | 2 (0) | 0 | Pass |
| 11 | Canopy cover (%) | Canocov | 0.16 (0.02) | 0 | 0 | 0.01 (0.01) | Pass |
| RQI Basílico et al. | RQI Bas | 80.17 (1.44) | 85.5 (4.33) | 70.5 (0) | 87.17 (1.44) | - | |
| RQI Munné et al. | RQI Mun | 50 (0) | 40 (8.66) | 30 (0) | 60 (0) | - | |
| RQI Rosso and Fernández Cirelli | RQI Ros | 1.48 (0.09) | 1.41 (0.14) | 1.46 (0.04) | 1.91 (0.13) | - |
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