Fig. 1

Overview of the study area. The map was created via ArcGIS V. 10.8 (https://www.esri.com/en-us/arcgis/products/arcgis-desktop/resources) based on the standard map No. GS(2019)1822 from the Standard Map Service of the Ministry of Natural Resources (http://211.159.153.75/). No modifications were made to the base map.