Fig. 7: Relationship between phenological indicators and key factors.

a SOS_slope and ELE; b SOS_slope and PTR_slope; c PTR_slope and ELE; d EOS_slope and ELE; e EOS_slope and PoTR_slope; f PoTR_slope and ELE. The gray interval is the 95% confidence interval; N and S are the northern and southern parts of Narat Shan, respectively.