Toxicity of AMPA to the earthworm Eisenia andrei Bouché, 1972 in tropical artificial soil

Scientific Reports
Anahí DomínguezJosé Camilo Bedano

Abstract

Aminomethylphosphonic acid (AMPA) - one of glyphosate's main metabolites - has been classified as persistent in soils, raising concern regarding the widespread use of glyphosate in agriculture and forestry. Glyphosate may have negative or neutral effects on soil biota, but no information is available on the toxicity of AMPA to soil invertebrates. Therefore our aim was to study the effect of AMPA on mortality and reproduction of the earthworm species Eisenia andrei using standard soil ecotoxicological methods (ISO). Field-relevant concentrations of AMPA had no significant effects on mortality in acute or chronic assays. Except at the highest concentration tested, a significant biomass loss was observed compared to controls in the chronic assay. The number of juveniles and cocoons increased with higher concentrations of AMPA applied, but their mean weights decreased. This mass loss indicates higher sensitivity of juveniles than adults to AMPA. Our results suggest that earthworms coming from parents grown in contaminated soils may have reduced growth, limiting their beneficial roles in key soil ecosystem functions. Nevertheless, further research is needed to better understand the mechanisms underlying the sublethal effects observe...Continue Reading

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Citations

Aug 16, 2016·Environmental Toxicology and Chemistry·Laís de Brito RodriguesGisele Augusto Rodrigues de Oliveira
Mar 16, 2017·Environmental Toxicology and Chemistry·Júlia Carina NiemeyerJosé Paulo Sousa
Aug 20, 2016·Environmental Science and Pollution Research International·Shahla Hosseini Bai, Steven M Ogbourne
Aug 2, 2019·Environmental Science and Pollution Research International·Beewah NgSomsak Panha
May 10, 2020·Environmental Science and Pollution Research International·Maia R LescanoCristina S Zalazar
May 1, 2018·Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes·Carolina E MasinCristina S Zalazar
Mar 24, 2020·Environmental Pollution·Islam Md MeftaulMallavarapu Megharaj
May 12, 2021·Scientific Reports·Karlo Alves da SilvaCíntia Mara Ribas de Oliveira
May 25, 2021·Journal of Environmental Management·Islam Md MeftaulMallavarapu Megharaj
Jun 19, 2021·Bulletin of Environmental Contamination and Toxicology·Jonathas Gomes de Carvalho MarquesFabrício Motteran
Aug 29, 2021·Environmental Science and Pollution Research International·Keyhan MohammadiSeid Mahdi Jafari

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