Fig. 1From: Mercury distribution in the surface soil of China is potentially driven by precipitation, vegetation cover and organic matterThe spatial distribution of soil Hg in China (mg/kg) surveyed at different periods: a map surveyed in the late 1980s from a book titled “The atlas of soil environmental background value in the People’s Republic of China” 1994, page 50–51, China Environmental Science Press (modified using ArcGIS Geographic Information Systems software version 10.2, Environmental Systems Research Institute Inc, Redlands, Calif) and b updated map surveyed in the 2000s [2]. More details are presented in Ref. [17]. The similar colors in map a and b refer to distinctive Hg concentrationBack to article page