a positive trendp < .01
The chilling contribution, averaged from all the species, showed a positive trend of 0.15 days/year ( p < .01), suggesting an enhanced delaying effect of chilling caused by winter warming (Figure 5a ).
The chilling contribution, averaged from all the species, showed a positive trend of 0.15 days/year ( p < .01), suggesting an enhanced delaying effect of chilling caused by winter warming (Figure 5a ).