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Species indicators defined by IndVal analysis, performed for main channel and tributaries outside and inside Iguaçu National Park – INP.
| Species indicator | stat | p |
|---|---|---|
| Main channel | ||
| O. bonariensis | 0.70 | 0.001 |
| Tributaries outside of INP | ||
| P. harpagos | 0.74 | 0.001 |
| I. punctatus | 0.49 | 0.024 |
| Tributaries inside of INP | ||
| A. mullerae | 0.95 | 0.001 |
| R. branneri | 0.74 | 0.004 |
