Table 3 RDA results for the impact of landscape features on overall water quality.
From: Response of river water quality to landscape features in a subtropical hilly region
Scale | Season | Axis 1 | Axis 2 | Total explanatory rate | Significant factors (Contribution, %) |
|---|---|---|---|---|---|
Buffer zone | Summer | 0.20 | 0.06 | 27.8 | Slope (46.9); PDforest (37.6); LPIforest (15.8) |
Winter | 0.29 | 0.03 | 33.1 | Grassland (72.8); Slope (21.8); LPIforest (5.4) | |
Catchment | Summer | 0.39 | 0.07 | 47.1 | LPIimp (48.3); AIimp (48); AIcrop (3.7) |
Winter | 0.42 | 0.11 | 59.3 | AIgrass (31.6); AIforest (26.7); LPIcrop (21.6); Impervious (20); |
