Figure 3

Study areas. (a) Topography of Sichuan; (b) Topography of Henan; (c)Â GlobeLand30 land use/cover of Sichuan; and (d) GlobeLand30 land use/cover of Henan. The land use/cover data can be obtained from the website of the GlobeLand30 (http://www.globallandcover.com/). The topography data can be obtained from the website of the WorldClim (https://www.worldclim.org/). The figure is generated using ArcGIS 10.7 (http://www.esri.com/software/arcgis/arcgis-for-desktop/).