Ecological risk assessment of pesticides in the Mijares River (eastern Spain) impacted by citrus production using wide-scope screening and target quantitative analysis
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INVESTIGACIONMetadades
Títol
Ecological risk assessment of pesticides in the Mijares River (eastern Spain) impacted by citrus production using wide-scope screening and target quantitative analysisAutoria
Data de publicació
2021-02-02Editor
ElsevierISSN
0304-3894Cita bibliogràfica
BIJLSMA, Lubertus, et al. Ecological risk assessment of pesticides in the Mijares River (eastern Spain) impacted by citrus production using wide-scope screening and target quantitative analysis. Journal of Hazardous Materials, 2021, vol. 412, p. 125277.Tipus de document
info:eu-repo/semantics/articleVersió de l'editorial
https://www.sciencedirect.com/journal/journal-of-hazardous-materialsVersió
info:eu-repo/semantics/acceptedVersionParaules clau / Matèries
Resum
The widespread use of pesticides, especially in agricultural areas, makes necessary to control their presence in surrounding surface waters. The current study was designed to investigate the occurrence and ecological ... [+]
The widespread use of pesticides, especially in agricultural areas, makes necessary to control their presence in surrounding surface waters. The current study was designed to investigate the occurrence and ecological risks of pesticides and their transformation products in a Mediterranean river basin impacted by citrus agricultural production. Nineteen sites were monitored in three campaigns distributed over three different seasons. After a qualitative screening, 24 compounds was selected for subsequent quantitative analysis. As expected, the lower section of the river was most contaminated, with total concentration >5 µg/L in two sites near to the discharge area of wastewater treatment plants. The highest concentrations were found in September, after agricultural applications and when the river flow is reduced. Ecological risks were calculated using two mixture toxicity approaches (Toxic Unit and multi-substance Potentially Affected Fraction), which revealed high acute and chronic risks of imidacloprid to invertebrates, moderate-to-high risks of diuron, simazine and 2,4-D for primary producers, and moderate-to-high risks of thiabendazole for invertebrates and fish. This study shows that intensive agricultural production and the discharge of wastewater effluents containing pesticide residues from post-harvest citrus processing plants are threatening freshwater biodiversity. Further actions are recommended to control pesticide use and to reduce emissions. [-]
Publicat a
Journal of Hazardous Materials Volume 412, 15 June 2021, 125277Dades relacionades
doi:10.1016/j.jhazmat.2021.125277Entitat finançadora
Universitat Jaume I | Ministerios de Ciencia e Innovación y de Universidades | Generalitat Valenciana | Universidad de Costa Rica | Ministerios de Ciencia e Innovación y de Universidades | Ministerio de Economía y Competitividad
Codi del projecte o subvenció
UJI-B2018-55 | RTI2018-097417-B-I00 | PROMETEO 2019/040 | OAICE-CAB-12-235-2016 | RYC2019-028132-I | RYC- 2017-22525
Drets d'accés
info:eu-repo/semantics/openAccess
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