Source data for figures in the paper: Coastal surface soil carbon stocks have distinctly increased under extensive ecological restoration in northern China

Fig. 1 Administrative divisions and sampling sites of the study area. 

Fig. 2 Simulation accuracies of soil organic carbon (SOC) across scales from 100 m to 1000 m. 

Fig. 3 Maps of soil organic carbon density (SOCD) in 2020 across scales from 100 m to 1000 m in the three extents. 

Fig. 4 Estimations of soil organic carbon density (SOCD) and stock (SOCS) across scales from 100 m to 1000 m in the three extents. 

Fig. 5 Maps of △SOCD from 2010 to 2020.

Fig. 6 Spatial patterns of SOCD and △SOCD along the multiple gradients. 

Fig. 7 Effects of extensive ecological restoration on coastal soil carbon stock.