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Integrated forecasting models of pesticide concentrations and environmental monitoring campaigns

By Ana Masiá, Yolanda Picó, Maura Calliera, Ettore Capri, Lucrezia Lamastra and Federico Ferrari

Abstract

By integrating agri-environmental databases, mathematical models and geographic information systems, maps showing the potential vulnerability of soils to the leaching of plant protection products can be generated. However, these forecasts may not be subsequently corroborated by monitoring data. Here we present a case study based on glyphosate in Lombardy (Italy) and triazine herbicides in the Autonomous Community of Valencia (Spain). Glyphosate was found in the groundwater of Lombardy, despite modeling results clearly indicating the non-potential risk of groundwater contamination. Among the triazine herbicides in Valencia, simazine, although present in surface waters, was not found in groundwaters, contrary to its expected behavior as a potential leachate. The discrepancy in the behavior of glyphosate can be explained by infiltration and point contamination sources, and the absence of simazine by the facility of its degradation. Our study highlights the importance of integrating monitoring modeling and mapping approaches to improve knowledge and to obtain quality data. [Contrib Sci 10:151-160 (2014)

Publisher: Institut d'Estudis Catalans
Year: 2014
OAI identifier: oai:raco.cat:article/302342
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