Figure 1

Overview map of the study area. The maps were created using the free and open source ArcGIS, Version 10.5 (https://www1.jjjzfx.cn/gis-jb61d/).

Overview map of the study area. The maps were created using the free and open source ArcGIS, Version 10.5 (https://www1.jjjzfx.cn/gis-jb61d/).