Fish and Macroinvertebrates as Freshwater Ecosystem Bioindicators in Mexico: Current State and Perspectives

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Abstract

In Mexico 78 per cent of water is used for agriculture, 12 per cent for household use and 10 per cent for industry. Once water is used in agricultural settings, wastewater containing agrochemicals and other chemicals is generated and released to rivers. In addition, 14 km3/year1 is generated from industry (43.8 per cent) and from water use in municipalities (56.2 per cent), which is also released into rivers and lakes throughout the country (CONAGUA, 2008).