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Table 5
Redundancy analysis: inter-set correlation of environmental variables with axes of RDA for the studied samples. High correlation values are bolded.
| Variables | AX1 | AX2 | AX3 | AX4 |
|---|---|---|---|---|
| Physicochemical and hydrological parameters | ||||
| Trans. | 0.63 | 0.19 | 0.03 | 0.37 |
| Temp. | −0.40 | 0.50 | −0.11 | 0.05 |
| pH | 0.07 | 0.01 | −0.03 | −0.16 |
| Cond. | −0.08 | −0.15 | 0.34 | −0.74 |
| N–NH4 | −0.14 | −0.25 | −0.23 | 0.26 |
| N–NO3 | −0.40 | −0.48 | 0.14 | 0.10 |
| P–PO4 | −0.27 | 0.33 | −0.30 | 0.57 |
| P tot. | −0.31 | −0.35 | −0.61 | 0.06 |
| DIN/DIP | 0.16 | −0.60 | 0.34 | −0.29 |
| O2 | 0.09 | 0.17 | 0.23 | −0.17 |
| TOC | −0.20 | 0.36 | 0.06 | 0.18 |
| TSS | 0.04 | −0.25 | −0.50 | −0.08 |
| Ph. chl-a | −0.15 | −0.19 | −0.47 | −0.14 |
| SWAm. | 0.20 | −0.50 | 0.07 | −0.51 |
| WLF | 0.55 | −0.22 | 0.36 | −0.58 |
| Fish | ||||
| A. albur | −0.55 | −0.07 | −0.59 | 0.03 |
| P. fluvi | −0.41 | 0.43 | −0.24 | 0.14 |
| R. rutil | −0.68 | −0.19 | −0.08 | −0.20 |
| S. eryth | −0.58 | −0.21 | −0.54 | −0.01 |
| Others | 0.01 | −0.04 | −0.61 | 0.11 |
| Crustaceans | ||||
| Acroperu | 0.28 | 0.20 | 0.26 | 0.22 |
| Alona | −0.12 | −0.04 | −0.00 | −0.36 |
| Alonella | 0.03 | −0.41 | 0.32 | −0.22 |
| Pleuroxu | 0.05 | 0.11 | 0.28 | 0.51 |
| Sida | −0.41 | 0.44 | −0.22 | 0.22 |
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