Fig. 2

Study Area(Software version: ArcMap 10.8.1,URL:https://www.esri.com/en-us/arcgis/products/index. This map is based on the standard map with the review number GS(2024)0650 obt-ained from the National Platform for Common Geospatial Information Services (https://www.tianditu.gov.cn/). The base map has not been modified.).