Table 5 A comparison of the 2006 and 2007 mean FFD showed a significant advancement in FFD for all species in response to a ~2° warmer winter (i.e. negative values with Δ FFD = FFD2007 − FFD2006)
From: Climate effects on the onset of flowering in the United Kingdom
Species | Number of data pairs | FFD2006 ± SD | FFD2007 ± SD | Δ FFD ± 1SD | Days °C−1 ± 1 SD |
|---|---|---|---|---|---|
Coltsfoot | 274 | 86.0 ± 17.0 | 71.0 ± 17.1 | − 15.0 ± 17.7 | − 6.0 ± 7.5 |
Wood anemone | 503 | 98.3 ± 10.5 | 85.6 ± 11.4 | − 12.6 ± 13.3 | − 5.0 ± 4.6 |
Bluebell | 876 | 117.4 ± 8.0 | 99.6 ± 9.1 | − 17.8 ± 8.5 | − 7.6 ± 3.7 |
Cuckooflower | 451 | 116.6 ± 11.3 | 102.0 ± 12.9 | − 14.7 ± 10.4 | − 6.3 ± 4.6 |
Garlic mustard | 479 | 119.6 ± 8.5 | 106.9 ± 7.6 | − 12.6 ± 10.0 | − 5.5 ± 4.4 |