highly significantp < 0.001
Driving mechanisms of climate change impacts on the vegetation carbon sink in southern China In the GPP model, SR, CO 2 , SM, P, and T showed highly significant path correlations with GPP ( p < 0.001).
Driving mechanisms of climate change impacts on the vegetation carbon sink in southern China In the GPP model, SR, CO 2 , SM, P, and T showed highly significant path correlations with GPP ( p < 0.001).
(2) GPPshade/GPP showed an increasing trend (0.0003 yr -1 ), with a mean value of 0.54.
In contrast, GPPsun/GPP showed a decreasing trend with a rate of −0.0003 yr −1 .