Influence of temperature on the toxicity of the elutriate from a pesticide contaminated soil to two cladoceran species

© 2022. The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.

Bibliographische Detailangaben
Veröffentlicht in:Ecotoxicology (London, England). - 1992. - 31(2022), 6 vom: 07. Aug., Seite 956-966
1. Verfasser: Pitombeira de Figueirêdo, Livia (VerfasserIn)
Weitere Verfasser: Athayde, Danillo B, Pinto, Thandy Junio da Silva, Daam, Michiel A, Guerra, Glauce da Silva, Duarte-Neto, Paulo José, Espíndola, Evaldo L G
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2022
Zugriff auf das übergeordnete Werk:Ecotoxicology (London, England)
Schlagworte:Journal Article Climate change Ecosystem model Pesticide mixture Tropical ecotoxicology Water-soil model Pesticides Soil Water Pollutants, Chemical
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520 |a Brazil has become one of the largest consumers of pesticides in the world. However, there are still few studies evaluating pesticide toxicity integrating local aquatic and terrestrial environments. In addition, there is growing concern about the influence of temperature conditions related with climate change on contaminants toxicity. The aim of the present study was to evaluate the elutriate toxicity of the insecticide Kraft® 36 EC (a.i. abamectin), the fungicide Score® 250 EC (a.i. difenoconazole) and their mixture to the cladocerans Ceriodaphnia silvestrii and Daphnia similis, using model ecosystems (mesocosms). To this end, mesocosms were filled with natural soil and subjected to the following treatments: Control (Milli-Q water), Kraft (10.8 g abamectin ha-1), Score (20 g difenoconazole ha-1), and Kraft + Score (10.8 g abamectin ha-1 + 20 g difenoconazole ha-1). The experiment lasted 18 days, and the applications were made on days 1, 8, and 15; the occurrence of rainfall was simulated on days 1, 8, and 15 after applications and only rainfall simulation on days 4, 11, and 18. The experiment was conducted under two different temperatures: 23 °C and 33 °C. At 23 °C, single Kraft treatment and in combination with Score showed high toxicity to both cladocerans. At 33 °C, elutriate of the Kraft® and mixture treatments were highly toxic to D. similis but not to C. silvestrii. The results indicate that while Kraft had higher toxicity than Score to both cladocerans, this toxicity was counteracted at 33 °C only for the exotic species, D. similis. The results portray the complexity of pesticide toxicity when considering realistic experimental settings including different organisms and temperature treatments 
650 4 |a Journal Article 
650 4 |a Climate change 
650 4 |a Ecosystem model 
650 4 |a Pesticide mixture 
650 4 |a Tropical ecotoxicology 
650 4 |a Water-soil model 
650 7 |a Pesticides  |2 NLM 
650 7 |a Soil  |2 NLM 
650 7 |a Water Pollutants, Chemical  |2 NLM 
700 1 |a Athayde, Danillo B  |e verfasserin  |4 aut 
700 1 |a Pinto, Thandy Junio da Silva  |e verfasserin  |4 aut 
700 1 |a Daam, Michiel A  |e verfasserin  |4 aut 
700 1 |a Guerra, Glauce da Silva  |e verfasserin  |4 aut 
700 1 |a Duarte-Neto, Paulo José  |e verfasserin  |4 aut 
700 1 |a Espíndola, Evaldo L G  |e verfasserin  |4 aut 
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