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Agricultural insecticides dangerous for water bodies
Streams within approximately 40 percent of the global land surface are at risk from the application of insecticides, according to the first global map to be modeled on insecticide runoff to surface waters. Streams in the Mediterranean, Southeast Asia, the USA and Central America are particularly at risk.
London: Streams within approximately 40 percent of the global land surface are at risk from the application of insecticides, according to the first global map to be modeled on insecticide runoff to surface waters. Streams in the Mediterranean, Southeast Asia, the USA and Central America are particularly at risk. Agricultural pesticides are applied to help farmers control insects, weeds and other potentially harmful pests threatening agricultural production.
Until now the global extent of the potential water pollution from the application of insecticides has largely remained unknown. In this respect, daily rainfall intensity, terrain slope and insecticide application rate play an important role as well as the crops cultivated. The researchers intend to use the global map to sensitise citizens and authorities about this issue in vulnerable regions and to incite local investigations.
