Partial correlation between the phenological indicators (SOS, EOS) and climatic factors (temperature, precipitation, and insolation).

<p>Correlations significant at p < 0.05 are in color, and gray areas indicate insignificant relationships between phenology and climatic variables. a: SOS and temperature; b: SOS and precipitation; c: SOS and insolation; d: EOS and temperature; e: EOS and precipitation, f: EOS and insolation, g: EOS and SOS.