Table 3.
Simple linear regressions for the density of butterflies.
| Slope | SE | t | df | P | |
| Range position | -0.00 | 0.00 | -7.51 | 77 | < 0.001 |
| Dispersal ability | -0.73 | 0.10 | -7.47 | 93 | < 0.001 |
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