Ecological risk assessment of current-use pesticides and biocides in soils, sediments and surface water of a mixed land-use basin of the Pampas region, Argentina
The present study aimed to assess the ecological risk of 30 current-use agricultural pesticides and biocides in the soil, sediments and aquatic organisms of a mixed land-use basin located in the Depressed Pampas Region of Argentina. Risk Quotients (RQs) were used to evaluate the chronic risk in soil...
| Autores principales: | , , , , , |
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| Formato: | Artículo |
| Lenguaje: | Inglés |
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Elsevier
2020
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| Acceso en línea: | http://hdl.handle.net/20.500.12123/7926 https://www.sciencedirect.com/science/article/abs/pii/S0045653520322566 https://doi.org/10.1016/j.chemosphere.2020.128061 |
| _version_ | 1855484100540891136 |
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| author | Pérez, Débora Jesabel Iturburu, Fernando Calderon, Gabriela Oyesqui, Lia Ana De Geronimo, Eduardo Aparicio, Virginia Carolina |
| author_browse | Aparicio, Virginia Carolina Calderon, Gabriela De Geronimo, Eduardo Iturburu, Fernando Oyesqui, Lia Ana Pérez, Débora Jesabel |
| author_facet | Pérez, Débora Jesabel Iturburu, Fernando Calderon, Gabriela Oyesqui, Lia Ana De Geronimo, Eduardo Aparicio, Virginia Carolina |
| author_sort | Pérez, Débora Jesabel |
| collection | INTA Digital |
| description | The present study aimed to assess the ecological risk of 30 current-use agricultural pesticides and biocides in the soil, sediments and aquatic organisms of a mixed land-use basin located in the Depressed Pampas Region of Argentina. Risk Quotients (RQs) were used to evaluate the chronic risk in soil and aquatic organisms, while Toxic Units (TUs) were used to assess the acute risk in sediment-dwelling organisms and aquatic biota. Acetochlor, hydroxy-atrazine, glyphosate, AMPA, metolachlor, imidacloprid and tebuconazole were the only pesticide residues detected (>30%) and quantified in all the matrices evaluated. Glyphosate and AMPA showed the highest concentrations, being their mean and maximum levels 27.90–176.00 μg kg−1 and 270–712.50 μg kg−1 in soils, 8.28–32.0 μg kg−1 and 6.85–17.50 μg kg−1 in sediments, and 1.88–4.36 μg L−1 and 0.66–1.03 μg L−1 in surface water. The RQs in soils showed high chronic risk, mainly due to AMPA and imidacloprid. The TUs in sediments showed acute risk in dwelling organisms, mainly due to glyphosate and imidacloprid. RQs assessment showed a range of chronic risk levels according to the site/sampling event, with higher contribution of atrazine and its metabolites, and acetochlor, whereas TUs assessment showed no acute risk in aquatic biota. In contrast to Europe, in Argentina, there are no restrictions regarding the use of atrazine, acetochlor, imidacloprid and glyphosate to protect aquatic life. Thus, it is recommended that the current Argentine pesticide regulations should be modified to prevent ecological risk and protect ecosystems. |
| format | Artículo |
| id | INTA7926 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2020 |
| publishDateRange | 2020 |
| publishDateSort | 2020 |
| publisher | Elsevier |
| publisherStr | Elsevier |
| record_format | dspace |
| spelling | INTA79262020-09-21T11:54:21Z Ecological risk assessment of current-use pesticides and biocides in soils, sediments and surface water of a mixed land-use basin of the Pampas region, Argentina Pérez, Débora Jesabel Iturburu, Fernando Calderon, Gabriela Oyesqui, Lia Ana De Geronimo, Eduardo Aparicio, Virginia Carolina Impacto Ambiental Suelo Herbicidas Imidacloprid Toxicidad de los Pesticidas Argentina Environmentals Impact Soil Herbicides Pesticide Toxicity Región Pampeana The present study aimed to assess the ecological risk of 30 current-use agricultural pesticides and biocides in the soil, sediments and aquatic organisms of a mixed land-use basin located in the Depressed Pampas Region of Argentina. Risk Quotients (RQs) were used to evaluate the chronic risk in soil and aquatic organisms, while Toxic Units (TUs) were used to assess the acute risk in sediment-dwelling organisms and aquatic biota. Acetochlor, hydroxy-atrazine, glyphosate, AMPA, metolachlor, imidacloprid and tebuconazole were the only pesticide residues detected (>30%) and quantified in all the matrices evaluated. Glyphosate and AMPA showed the highest concentrations, being their mean and maximum levels 27.90–176.00 μg kg−1 and 270–712.50 μg kg−1 in soils, 8.28–32.0 μg kg−1 and 6.85–17.50 μg kg−1 in sediments, and 1.88–4.36 μg L−1 and 0.66–1.03 μg L−1 in surface water. The RQs in soils showed high chronic risk, mainly due to AMPA and imidacloprid. The TUs in sediments showed acute risk in dwelling organisms, mainly due to glyphosate and imidacloprid. RQs assessment showed a range of chronic risk levels according to the site/sampling event, with higher contribution of atrazine and its metabolites, and acetochlor, whereas TUs assessment showed no acute risk in aquatic biota. In contrast to Europe, in Argentina, there are no restrictions regarding the use of atrazine, acetochlor, imidacloprid and glyphosate to protect aquatic life. Thus, it is recommended that the current Argentine pesticide regulations should be modified to prevent ecological risk and protect ecosystems. EEA Balcarce Fil: Pérez, Débora J. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina Fil: Iturburu, Fernando G. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Mar del Plata. Instituto de Investigaciones Marinas y Costeras; Argentina Fil: Calderon, Gabriela. Universidad Nacional de Mar del Plata. Instituto del Hábitat y del Ambiente; Argentina Fil: Oyesqui, Lía Ana. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce. Agencia de Extensión Rural Olavarría; Argentina Fil: De Gerónimo, Eduardo. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Aparicio, Virginia Carolina. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina 2020-09-21T11:45:33Z 2020-09-21T11:45:33Z 2020-08 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/7926 https://www.sciencedirect.com/science/article/abs/pii/S0045653520322566 0045-6535 https://doi.org/10.1016/j.chemosphere.2020.128061 eng info:eu-repo/semantics/restrictedAccess application/pdf Elsevier Chemosphere 263 : 128061 (January 2021) |
| spellingShingle | Impacto Ambiental Suelo Herbicidas Imidacloprid Toxicidad de los Pesticidas Argentina Environmentals Impact Soil Herbicides Pesticide Toxicity Región Pampeana Pérez, Débora Jesabel Iturburu, Fernando Calderon, Gabriela Oyesqui, Lia Ana De Geronimo, Eduardo Aparicio, Virginia Carolina Ecological risk assessment of current-use pesticides and biocides in soils, sediments and surface water of a mixed land-use basin of the Pampas region, Argentina |
| title | Ecological risk assessment of current-use pesticides and biocides in soils, sediments and surface water of a mixed land-use basin of the Pampas region, Argentina |
| title_full | Ecological risk assessment of current-use pesticides and biocides in soils, sediments and surface water of a mixed land-use basin of the Pampas region, Argentina |
| title_fullStr | Ecological risk assessment of current-use pesticides and biocides in soils, sediments and surface water of a mixed land-use basin of the Pampas region, Argentina |
| title_full_unstemmed | Ecological risk assessment of current-use pesticides and biocides in soils, sediments and surface water of a mixed land-use basin of the Pampas region, Argentina |
| title_short | Ecological risk assessment of current-use pesticides and biocides in soils, sediments and surface water of a mixed land-use basin of the Pampas region, Argentina |
| title_sort | ecological risk assessment of current use pesticides and biocides in soils sediments and surface water of a mixed land use basin of the pampas region argentina |
| topic | Impacto Ambiental Suelo Herbicidas Imidacloprid Toxicidad de los Pesticidas Argentina Environmentals Impact Soil Herbicides Pesticide Toxicity Región Pampeana |
| url | http://hdl.handle.net/20.500.12123/7926 https://www.sciencedirect.com/science/article/abs/pii/S0045653520322566 https://doi.org/10.1016/j.chemosphere.2020.128061 |
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