Table 4.
Values of Kruskal-Wallis ANOVA of overall number of bird sightings (excluding skylarks) in plots that included well-established miscanthus fields (Nplots = 10), poorly-established miscanthus fields (Nplots = 6) and no miscanthus fields (Nplots = 12)
| Season | Bird sightings per plot (mean ± SD) | K-W ANOVA | p | ||
|---|---|---|---|---|---|
| Well-established Miscanthus | Poorly-established Miscanthus | Miscanthus absent | |||
| Whole year | 159.8 (±87.37) | 209.5 (±184.07) | 238.5 (±152.01) | 2.048 | 0.359 |
| Early spring | 11.70 (±6.62) | 9.17 (±11.58) | 33.08 (±43.10) | 3.899 | 0.142 |
| Breeding season | 39.60 (±15.48) | 38.33 (±36.48) | 62.25 (±67.36) | 1.222 | 0.543 |
| Late summer | 32.30 (±19.57) | 47.00 (±39.46) | 95.58 (±66.80) | 8.790 | 0.012* |
| Autumn | 28.30 (±40.50) | 100.83 (±151.69) | 36.17 (±49.28) | 0.429 | 0.807 |
| Winter | 59.88 (±77.64) | 14.17 (±22.21) | 15.22 (±12.20) | 2.610 | 0.271 |
*- significant at p < 0.05. Values of the Dunn-Bonferroni post hoc tests are given in the text