Fig. 1

Study area.Satellite imagery obtained from Xingqiuditu (https://datacloud.geovisearth.com/) and map created using ArcGIS software (v10.5, Esri, https://www.esri.com/).

Study area.Satellite imagery obtained from Xingqiuditu (https://datacloud.geovisearth.com/) and map created using ArcGIS software (v10.5, Esri, https://www.esri.com/).