Fig. 1

Scope and sampling location of the study area. Note: This map was generated by myself using the PIE-Basic remote sensing image processing software from Aerospace Hongtu, version number: 7.0 64bit 2,023,112. URL link:https://engine.piesat.cn.

Scope and sampling location of the study area. Note: This map was generated by myself using the PIE-Basic remote sensing image processing software from Aerospace Hongtu, version number: 7.0 64bit 2,023,112. URL link:https://engine.piesat.cn.