Fig. 2From: Change and relationship between growing season metrics and net primary productivity in forestland and grassland in ChinaInter-annual variations of SOS, EOS, LOS and NPP in forestland and grassland in China during 1981–2016 (the light blue, purple, red and blue thick dashed lines are the linear trends estimated by ordinary least-squares regression for SOS, EOS, LOS and NPP, respectively)Back to article page