Table 1.

Geographical coordinates of sampling locations

Site	Locality	Site characterization	E	N
1	Village Topolnica	Cu-mine environ	22°22′47.00″	41°39′41.73″
2	Village Damjan	Former Fe mine environ	22°20′33.91″	41°37′57.03″
3	Village Lakavica	Reference area	22°14′7.95″	41°38′13.91″
4	Town of Štip	Urban area	22°12′16.23″	41°44′16.90″