Fig. 4 | Nature Communications

Fig. 4

From: Spatial variance of spring phenology in temperate deciduous forests is constrained by background climatic conditions

Fig. 4

Adaptation of chilling-forcing requirement to preseason radiation. Scatterplot of average site long-term (1970–2016) GDDreq (°C) versus NCD (days) for all species and all sites. The color gradient represents the average site long-term incoming shortwave preseason radiation (SWP, W m−2). Gray color represents the median value of SWP (130 W m−2) of all sites, blue and red colors correspond to values lower and higher than the median SWP, respectively. Source data are provided as a Source Data file.

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