Table 3. Parameter estimates and hypothesis tests for regressions of diversity variables on management type.
| Response variable | DF | F | P | r 2 | y-intercept | slope |
|---|---|---|---|---|---|---|
| Diversity | ||||||
| Plant | (1,79) | 0.04 | NS | <0.001 | 19.9 | 0.2 |
| All Arthropod | (1,76) | 0.1 | NS | 0.001 | 23.44 | −0.32 |
| Herbivore | (1,76) | 0 | NS | <0.001 | 18.75 | −0.01 |
| Predator | (1,76) | 41.29 | <0.001 | 0.37 | 2.2 | 6.25 |
| Parasitoid | (1,76) | 51.57 | <0.001 | 0.41 | 8.55 | 7.1 |
| Species Richness | ||||||
| Plant | (1,79) | 9.46 | <0.001 | 0.11 | 19.05 | 3.1 |
| All Arthropod | (1,76) | 29.63 | <0.001 | 0.28 | 8.52 | 5.44 |
| Herbivore | (1,76) | 26.42 | <0.001 | 0.26 | 11.55 | 5.13 |
| Predator | (1,76) | 22.24 | <0.001 | 0.24 | 9.91 | 4.72 |
| Parasitoid | (1,76) | 25.25 | <0.001 | 0.26 | 6.17 | 5.05 |
| Abundance | ||||||
| Plant | (1,79) | 50.32 | <0.001 | 0.39 | 3.55 | 7.1 |
| All Arthropod | (1,76) | 25.03 | <0.001 | 0.25 | 1.52 | 5 |
| Herbivore | (1,76) | 24 | <0.001 | 0.24 | 1.18 | 4.9 |
| Predator | (1,76) | 10.61 | <0.001 | 0.13 | 9.35 | −3.26 |
| Parasitoid | (1,76) | 1.51 | NS | 0.02 | 7.49 | 1.23 |