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Title (Primary) Potential of vegetated ditches to manage organic pollutants derived from agricultural runoff and domestic sewage: A case study in Sinaloa (Mexico)
Author Moeder, M.; Carranza-Diaz, O.; López-Angulo, G.; Vega-Aviña, R.; Chávez-Durán, F.A.; Jomaa, S.; Winkler, U.; Schrader, S.; Reemtsma, T.; Delgado-Vargas, F.;
Journal Science of the Total Environment
Year 2017
Department ASAM; ANA;
Volume 598
Language englisch;
POF III (all) T31;
Keywords Vegetated ditch; Priority and emerging pollutants; Water quality; Plant uptake; Endosulfan lactone
UFZ wide themes RU2;
Abstract This case study presents the fate of selected organic, priority and emerging pollutants along a 3.6 km sector of a vegetated, agricultural ditch situated in Sinaloa (Mexico). The ditch receives runoff of agriculture and domestic wastewater from an adjacent community. During 2013, the occurrence of 38 organic pollutants (pesticides, polycyclic aromatic hydrocarbons (PAHs), artificial sweeteners and pharmaceutical residues) was monitored monthly at five selected points in the ditch water. Additionally, sediment and Typha domingensis (cattail) plants were collected in March, June, and September 2013 and investigated concerning their ability to absorb and accumulate pollutants. The concentrations of the selected pollutants in the ditch water ranged from sub ng L− 1 (metolachlor, atrazine) to μg L− 1 (metalaxyl, acesulfame). The metabolites endosulfan sulfate and endosulfan lactone exceeded mostly the concentration of the precursor insecticide endosulfan. Sorption on sediments was of minor relevance for accumulation of pollutants in the ditch system. Concentrations in the sediments varied seasonally and ranged from 0.2 to 12,432 μg kg− 1 dry weight (d.w.). T. domingensis accumulated ten of the studied pollutants mainly in roots (5–1065 μg kg− 1 d.w.). Overall, the monitoring results of the ditch compartments indicated that downstream the concentrations of the target pollutants decreased. Under no-flow conditions in the hot season, the ditch revealed a noticeable potential to mitigate pollutants. Among the high microbial activity in the water and the subtropical climate conditions, the ditch vegetation contributed to natural attenuation of the selected pollutants.
ID 18714
Persistent UFZ Identifier http://www.ufz.de/index.php?en=20939&ufzPublicationIdentifier=18714
Moeder, M., Carranza-Diaz, O., López-Angulo, G., Vega-Aviña, R., Chávez-Durán, F.A., Jomaa, S., Winkler, U., Schrader, S., Reemtsma, T., Delgado-Vargas, F. (2017):
Potential of vegetated ditches to manage organic pollutants derived from agricultural runoff and domestic sewage: A case study in Sinaloa (Mexico)
Sci. Total Environ. 598 , 1106 - 1115