| organochlorine pesticides, pcbs and heavy metals in tissues of the mullet liza aurata in lake ganzirri and straits of messina (sicily, italy). | the aim of this research was to investigate the presence of organochlorine pesticides, pcbs and heavy metals (cd, cr, cu, ni, pb and zn) in fish living in lake ganzirri and the straits of messina, using the mullet liza aurata as a "biological indicator". different tissues of liza aurata, which include the muscle, gill and vertebral column, were taken for analyses. quantitative determination of the organochlorine compounds was performed by gc-ecd and confirmed with gc-ms. the concentrations of "e ... | 2003 | 12729706 |