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Revista Argentina de Salud Pública
Print version ISSN 1852-8724On-line version ISSN 1853-810X
Abstract
SOTO, Danny Andrea; LUQUE, Facundo Alejandro and GNAZZO, Victoria. Fishes for human consumption as indicators of environmental pollution by pesticides in northern Misiones, Argentina. Rev. argent. salud pública [online]. 2020, vol.11, n.42, pp.7-14. Epub Mar 31, 2020. ISSN 1852-8724.
INTRODUCTION
The northern region of Misiones is characterized by a large area of small-scale crops, whose socio-environmental impact through use of pesticides has to be studied. The combination of crops and aquaculture in this region grew significantly as an income diversification mechanism. Through the use of fish for human consumption as indicator of pollution, this project aimed to determine environmental and health risks associated to inadequate land-use management practices.
METHODS
Analyses of non-destructive biomarkers like differential leukocyte count, cholinesterase enzymatic activity and frequency of micronuclei in fish of the species Oreochromis niloticus were carried out.
RESULTS
Alterations of the standard parameters tested on individuals from crop areas were determined and the level of lindane in sediment of the ponds in culture zone was detected.
CONCLUSIONS
Although the multi-functional land management led to a more efficient use of natural resources, the exposure of fish to pesticides used on the crops has become an unintended consequence in this region.
Keywords : Environment; Pollution; Fish; Health.