Figure 1

Study area. The figure is based on the standard map GS(2019)1822 in the Standard Map Service website of the Ministry of Natural Resources of the People’s Republic of China, with no modifications of the boundaries in the standard map.)

Study area. The figure is based on the standard map GS(2019)1822 in the Standard Map Service website of the Ministry of Natural Resources of the People’s Republic of China, with no modifications of the boundaries in the standard map.)