Figure 3

Spatial distribution of heavy metals (a) As;(b) Cr; (c) Cu; (d) Ni; (e) Pb; (f) Zn in soils. (maps were generated with software ArcGIS 10.7 http://www.esri.com).
Spatial distribution of heavy metals (a) As;(b) Cr; (c) Cu; (d) Ni; (e) Pb; (f) Zn in soils. (maps were generated with software ArcGIS 10.7 http://www.esri.com).