Fig. 8

Mann-Kendall trend test of coupling coordination degree (p < 0.1). (Fig. 8 was generated by the manuscript author using ArcGIS 10.2 software. Software version number is 10.2, the link to https://desktop.arcgis.com/.)

Mann-Kendall trend test of coupling coordination degree (p < 0.1). (Fig. 8 was generated by the manuscript author using ArcGIS 10.2 software. Software version number is 10.2, the link to https://desktop.arcgis.com/.)