Table 3.
ANCOVA results for species leaf senescence dates, comparing the dates at the Arnold Arboretum with the dates at Berlin Botanic Garden (Berlin BG), Garden in the Woods, Ottawa Arboretum, Beijing Botanical Garden (Beijing BG) and Morton Arboretum with year (2012 and 2013) as a categorical predictor variable
| Arnold Arboretum with: | R2 | n | P |
|---|---|---|---|
| Garden in the Woods | 0·17 | 90 | <0·0001 |
| Berlin BG | 0·04 | 1134 | <0·0001 |
| Ottawa Arboretum | 0·10 | 237 | <0·0001 |
| Morton Arboretum | 0·06 | 121 | 0·0076 |
| Bejing BG | 0·03 | 166 | 0·1458 |