Abstract
Extensive use of pesticides in agricultural and municipal fields contributed all over the world to an effective increase of production and to a limitation of the vector injuries to health. However the large quantities of synthetic chemical products employed to achieve these purposes have resulted in an extended environmental pollution, especially worrying about the organochlorine insecticides that are very persistent and suspected of carcinogenicity. For these reasons, this group of pesticides has been banned or strongly restricted in many countries including Italy, where just Lindane and Endosulfan are now allowed in agriculture, representing only 7% of the annual use of synthetic pesticides. In order to control the amount of contamination of surface water from organochlorine pesticides, some surveys were carried out in northern and central Italy, but information regarding situation in southern Italy is not available. The purpose of this study was to evaluate the occurrence and the magnitude of chlorinated pesticide aquatic pollution in southern Italy by the analysis of some permanent freshwater fish species.
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