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Baima Ferreira Freitas I, Duarte-Neto PJ, Sorigotto LR, Cardoso Yoshii MP, de Palma Lopes LF, de Almeida Pereira MM, Girotto L, Badolato Athayde D, Veloso Goulart B, Montagner CC, Schiesari LC, Martinelli LA, Gaeta Espíndola EL. Effects of pasture intensification and sugarcane cultivation on non-target species: A realistic evaluation in pesticide-contaminated mesocosms. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 922:171425. [PMID: 38432384 DOI: 10.1016/j.scitotenv.2024.171425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 02/08/2024] [Accepted: 02/29/2024] [Indexed: 03/05/2024]
Abstract
Conventional soil management in agricultural areas may expose non-target organisms living nearby to several types of contaminants. In this study, the effects of soil management in extensive pasture (EP), intensive pasture (IP), and sugarcane crops (C) were evaluated in a realistic-field-scale study. Thirteen aquatic mesocosms embedded in EP, IP, and C treatments were monitored over 392 days. The recommended management for each of the areas was simulated, such as tillage, fertilizer, pesticides (i.e. 2,4-D, fipronil) and vinasse application, and cattle pasture. To access the potential toxic effects that the different steps of soil management in these areas may cause, the cladoceran Ceriophania silvestrii was used as aquatic bioindicator, the dicot Eruca sativa as phytotoxicity bioindicator in water, and the dipteran Chironomus sancticaroli as sediment bioindicator. Generalized linear mixed models were used to identify differences between the treatments. Low concentrations of 2,4-D (<97 μg L-1) and fipronil (<0.21 μg L-1) in water were able to alter fecundity, female survival, and the intrinsic rate of population increase of C. silvestrii in IP and C treatments. Similarly, the dicot E. sativa had germination, shoot and root growth affected mainly by 2,4-D concentrations in the water. For C. sancticarolli, larval development was affected by the presence of fipronil (<402.6 ng g-1). The acidic pH (below 5) reduced the fecundity and female survival of C. silvestrii and affected the germination and growth of E. sativa. Fecundity and female survival of C. silvestrii decrease in the presence of phosphorus-containing elements. The outcomes of this study may improve our understanding of the consequences of exposure of freshwater biota to complex stressors in an environment that is rapidly and constantly changing.
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Affiliation(s)
- Isabele Baima Ferreira Freitas
- NEEA/SHS, Center of Ecotoxicology and Applied Ecology, Department of Hydraulic and Sanitation, São Carlos School of Engineering, University of São Paulo, Avenida Trabalhador São Carlense, 400, 13560-970 São Carlos, SP, Brazil.
| | - Paulo José Duarte-Neto
- PPGBEA, Department of Statistics and Informatics, Rural Federal University of Pernambuco, Rua Dom Manoel de Medeiros, s/n, 52171900 Recife, PE, Brazil
| | - Lais Roberta Sorigotto
- NEEA/SHS, Center of Ecotoxicology and Applied Ecology, Department of Hydraulic and Sanitation, São Carlos School of Engineering, University of São Paulo, Avenida Trabalhador São Carlense, 400, 13560-970 São Carlos, SP, Brazil
| | - Maria Paula Cardoso Yoshii
- NEEA/SHS, Center of Ecotoxicology and Applied Ecology, Department of Hydraulic and Sanitation, São Carlos School of Engineering, University of São Paulo, Avenida Trabalhador São Carlense, 400, 13560-970 São Carlos, SP, Brazil
| | - Laís Fernanda de Palma Lopes
- NEEA/SHS, Center of Ecotoxicology and Applied Ecology, Department of Hydraulic and Sanitation, São Carlos School of Engineering, University of São Paulo, Avenida Trabalhador São Carlense, 400, 13560-970 São Carlos, SP, Brazil
| | - Mickaelle Maria de Almeida Pereira
- PPGBEA, Department of Statistics and Informatics, Rural Federal University of Pernambuco, Rua Dom Manoel de Medeiros, s/n, 52171900 Recife, PE, Brazil
| | - Laís Girotto
- NEEA/SHS, Center of Ecotoxicology and Applied Ecology, Department of Hydraulic and Sanitation, São Carlos School of Engineering, University of São Paulo, Avenida Trabalhador São Carlense, 400, 13560-970 São Carlos, SP, Brazil
| | - Danillo Badolato Athayde
- NEEA/SHS, Center of Ecotoxicology and Applied Ecology, Department of Hydraulic and Sanitation, São Carlos School of Engineering, University of São Paulo, Avenida Trabalhador São Carlense, 400, 13560-970 São Carlos, SP, Brazil
| | - Bianca Veloso Goulart
- LQA, Analytical Chemistry Department, Institute of Chemistry, University of Campinas, Rua Josué de Castro, s/n, 13083-970 Campinas, SP, Brazil
| | - Cassiana Carolina Montagner
- LQA, Analytical Chemistry Department, Institute of Chemistry, University of Campinas, Rua Josué de Castro, s/n, 13083-970 Campinas, SP, Brazil
| | - Luis Cesar Schiesari
- EACH, USP - School of Arts, Sciences and Humanities, University of São Paulo, Av. Arlindo Bétio 1000, 03828-000 São Paulo, SP, Brazil
| | - Luiz Antônio Martinelli
- CENA, USP - Center for Nuclear Energy in Agriculture, University of São Paulo, Av. Centenário 303, 13416-000 São Paulo, SP, Brazil
| | - Evaldo Luiz Gaeta Espíndola
- NEEA/SHS, Center of Ecotoxicology and Applied Ecology, Department of Hydraulic and Sanitation, São Carlos School of Engineering, University of São Paulo, Avenida Trabalhador São Carlense, 400, 13560-970 São Carlos, SP, Brazil
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Caldas LL, Moreira RA, Espíndola ELG, Novelli A. Environmental Risk Assessment of Drugs in Tropical Freshwaters Using Ceriodaphnia silvestrii as Test Organism. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2023; 110:106. [PMID: 37284985 DOI: 10.1007/s00128-023-03739-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Accepted: 05/11/2023] [Indexed: 06/08/2023]
Abstract
In this study we evaluated the acute (immobility/mortality) and chronic (survival and reproduction) effects of the drugs caffeine, diclofenac sodium salt, ketoprofen, paracetamol and salicylic acid on the cladoceran Ceriodaphnia silvestrii. The environmental risks of these substances for tropical freshwaters were estimated from the risk quotient MEC/PNEC. Sensitivity in acute exposures varied up on the drug as follows: salicylic acid (EC50 = 69.15 mg L- 1) < caffeine (EC50 = 45.94 mg L- 1) < paracetamol (EC50 = 34.49 mg L- 1) < ketoprofen (EC50 = 24.84 mg L- 1) < diclofenac sodium salt (EC50 = 14.59 mg L- 1). Chronic toxicity data showed negative effects of the drugs on reproduction. Paracetamol and salicylic acid caused reduction in fecundity in concentrations starting from 10 mg L- 1 and 35 mg L- 1, respectively. Ketoprofen caused total inhibition at 5 mg L- 1. MEC/PNEC values were relatively low for all drugs. The risk was estimated as low or insignificant, except for caffeine, whose MEC/PNEC value was greater than 1 (moderate risk).
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Affiliation(s)
- Lucas Lopes Caldas
- PPGECIA and GEEA/DEAM, Federal University of Sergipe, Av. Marechal Rondon, S/N, São Cristóvão, 49100-000, Brazil.
| | - Raquel Aparecida Moreira
- PPG-SEA and NEEA/CRHEA/SHS, São Carlos Engineering School, University of São Paulo, Av. Trabalhador São Carlense, 400, São Carlos, 13560-970, Brazil
| | - Evaldo Luiz Gaeta Espíndola
- PPG-SEA and NEEA/CRHEA/SHS, São Carlos Engineering School, University of São Paulo, Av. Trabalhador São Carlense, 400, São Carlos, 13560-970, Brazil
| | - Andrea Novelli
- PPGECIA and GEEA/DEAM, Federal University of Sergipe, Av. Marechal Rondon, S/N, São Cristóvão, 49100-000, Brazil
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Aioub AAA, Abdelnour SA, Shukry M, Saad AM, El-Saadony MT, Chen Z, Elsobki AEA. Ameliorating effect of the biological Zinc nanoparticles in abamectin induced hepato-renal injury in a rat model: Implication of oxidative stress, biochemical markers and COX-2 signaling pathways. Front Pharmacol 2022; 13:947303. [PMID: 36172185 PMCID: PMC9510891 DOI: 10.3389/fphar.2022.947303] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Accepted: 08/08/2022] [Indexed: 11/30/2022] Open
Abstract
Extensive use of abamectin (ABM) as an anthelmintic in veterinary systems adversely affects the health and welfare of animals and humans. Zinc nanoparticles (ZnNPs) have therapeutic benefits and ameliorate the effect of environmental pollutants. In this study, we assessed the ameliorative effect of ZnNPs against the sub-lethal toxicity of ABM in rats. Forty healthy rats were randomly selected into four groups (n = 10); the control received normal saline and test rats were treated orally twice weekly with ABM (1 mg/kg bwt), ZnNPs (10 mg/kg bwt) and ABM + ZnNPs for 28 days. Upon completion of the study period, blood and tissue samples were collected and prepared for hematological, biochemical, pathological, and immunohistochemical analysis. Our results showed that ABM treatment significantly decreased body weight gain (BWG), red blood cells (RBCs), hemoglobin (Hb), hematocrit (HC), and platelet (PLT); while it significantly increased white blood cells (WBCs) and lymphocytes. ABM also significantly decreased antioxidant enzyme activities: superoxide dismuthase (SOD), glutathione peroxidase (GPx), and catalase (CAT) and increased hydrogen peroxide and malondialdehyde levels compared with other groups. ABM significantly raised alanine aminotransferase (ALT), aspartate amino transaminase (AST), and alkaline phosphatase (ALP) levels, which was restored by co-administration of ZnNPs. Moreover, ZnNPs ameliorated ABM-mediated negative histopathological changes in the liver and kidney tissues, exhibiting a significant protective effect. Cyclooxygenase 2 (COX-2) + immuno-expression were reduced after pretreatment with ZnNPs. These findings suggested that co-administration of ZnNPs with ABM mitigated its toxicity by combating oxidative stress and boosting antioxidant capacity, indicating the efficacy of ZnNPs in attenuating ABM toxicity.
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Affiliation(s)
- Ahmed A. A. Aioub
- Plant Protection Department, Faculty of Agriculture, Zagazig University, Zagazig, Egypt
| | - Sameh A. Abdelnour
- Animal Production Department, Faculty of Agriculture, Zagazig University, Zagazig, Egypt
| | - Mustafa Shukry
- Department of Physiology, Faculty of Veterinary Medicine, Kafrelsheikh University, Kafrelsheikh, Egypt
| | - Ahmed M. Saad
- Biochemistry Department, Faculty of Agriculture, Zagazig University, Zagazig, Egypt
| | - Mohamed T. El-Saadony
- Department of Agricultural Microbiology, Faculty of Agriculture, Zagazig University, Zagazig, Egypt
| | - Zhongli Chen
- Key Laboratory of the Three Gorges Reservoir Eco-Environment, Chongqing University, Chongqing, China
- *Correspondence: Zhongli Chen,
| | - Ahmed E. A. Elsobki
- Plant Protection Department, Faculty of Agriculture, Zagazig University, Zagazig, Egypt
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Pitombeira de Figueirêdo L, Athayde DB, Pinto TJDS, Daam MA, Guerra GDS, Duarte-Neto PJ, Espíndola ELG. Influence of temperature on the toxicity of the elutriate from a pesticide contaminated soil to two cladoceran species. ECOTOXICOLOGY (LONDON, ENGLAND) 2022; 31:956-966. [PMID: 35672617 DOI: 10.1007/s10646-022-02560-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 05/23/2022] [Indexed: 06/15/2023]
Abstract
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.
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Affiliation(s)
- Livia Pitombeira de Figueirêdo
- PPG-SEA and NEEA/CRHEA/SHS, São Carlos School of Engineering, University of São Paulo, Av. Trabalhador São Carlense, 400, 13.560-970, São Carlos, Brazil.
| | - Danillo B Athayde
- PPG-SEA and NEEA/CRHEA/SHS, São Carlos School of Engineering, University of São Paulo, Av. Trabalhador São Carlense, 400, 13.560-970, São Carlos, Brazil
| | - Thandy Junio da Silva Pinto
- PPG-SEA and NEEA/CRHEA/SHS, São Carlos School of Engineering, University of São Paulo, Av. Trabalhador São Carlense, 400, 13.560-970, São Carlos, Brazil
| | - Michiel A Daam
- CENSE, Department of Environmental Sciences and Engineering, Faculty of Sciences and Technology, New University of Lisbon, Quinta da Torre, 2829-516, Caparica, Portugal
| | - Glauce da Silva Guerra
- PPGBEA, Department of Statistics and Informatics, Rural Federal University of Pernambuco, R. Dom Manoel de Medeiros, s/n, Dois Irmãos, 52171900, Recife, Brazil
| | - Paulo José Duarte-Neto
- PPGBEA, Department of Statistics and Informatics, Rural Federal University of Pernambuco, R. Dom Manoel de Medeiros, s/n, Dois Irmãos, 52171900, Recife, Brazil
| | - Evaldo L G Espíndola
- PPG-SEA and NEEA/CRHEA/SHS, São Carlos School of Engineering, University of São Paulo, Av. Trabalhador São Carlense, 400, 13.560-970, São Carlos, Brazil
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5
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Moreira RA, de Araujo GS, Silva ARRG, Daam MA, Rocha O, Soares AMVM, Loureiro S. Effects of abamectin-based and difenoconazole-based formulations and their mixtures in Daphnia magna: a multiple endpoint approach. ECOTOXICOLOGY (LONDON, ENGLAND) 2020; 29:1486-1499. [PMID: 32388636 DOI: 10.1007/s10646-020-02218-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 04/23/2020] [Indexed: 06/11/2023]
Abstract
This study evaluated the toxicity of pesticide formulations Kraft® 36 EC (active ingredient-a.i. abamectin) and Score® 250 EC (a.i. difenoconazole), and their mixtures in Daphnia magna at different biological levels of organization. Survival, reproduction and biochemical markers (cholinesterase (ChE), catalase (CAT) and lipid peroxidation (LPO)) were some of the endpoints evaluated. Total proteins and lipids were also studied together with energy consumption (Ec). D. magna neonates were exposed for 96 h to Kraft (2, 4, and 6 ng a.i./L) and Score (12.5, 25, and 50 µg a.i./L) for the biochemical experiments, and for 15 days to abamectin (1-5 ng a.i./L) and to difenoconazole (3.12-50 µg a.i./L) to assess possible changes in reproduction. Exposures of organisms to both single compounds did not cause effects to antioxidant and detoxifying enzymes, except for LPO occurring at the highest concentration of difenoconazole tested. For ChE and CAT there was enzymatic induction in mixture treatments organisms, occurring at minor pesticides concentrations for CAT and at the two highest concentrations for ChE. There were no significant differences for total protein in D. magna but lipids showed an increase at the highest concentrations of pesticide mixture combinations. There was a significant increase of Ec in individuals of all treatments tested. In the chronic test, increased fecundity occurred for D. magna under difenoconazole exposures and mixtures. This study demonstrated that mixtures of these pesticides caused greater toxicity to D. magna than when tested individually, except for Ec. Therefore, effects of mixtures are very hard to predict only based on information from single compounds, which most possibly is the result of biological complexity and redundancy in response pathways, which need further experimentation to become better known.
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Affiliation(s)
- Raquel Aparecida Moreira
- NEEA/CRHEA/SHS, São Carlos Engineering School, University of São Paulo, Av. Trabalhador São Carlense, 400, São Carlos, 13.560-970, Brazil.
| | | | | | - Michiel Adriaan Daam
- CENSE, Department of Environmental Sciences and Engineering, Faculty of Sciences and Technology, New University of Lisbon, Quinta da Torre, 2829-516, Caparica, Portugal
| | - Odete Rocha
- Department of Ecology and Evolutionary Biology, Federal University of São Carlos, Rodovia Washington Luis, km 235, São Carlos, SP, 13565-905, Brazil
| | - Amadeu M V M Soares
- Department of Biology & CESAM, University of Aveiro, 3810-193, Aveiro, Portugal
| | - Susana Loureiro
- Department of Biology & CESAM, University of Aveiro, 3810-193, Aveiro, Portugal
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Daam MA, Ilha P, Schiesari L. Acute toxicity of inorganic nitrogen (ammonium, nitrate and nitrite) to tadpoles of five tropical amphibian species. ECOTOXICOLOGY (LONDON, ENGLAND) 2020; 29:1516-1521. [PMID: 32638180 DOI: 10.1007/s10646-020-02247-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 06/27/2020] [Indexed: 06/11/2023]
Abstract
Despite the higher diversity of amphibians and the increasing use of agrochemicals in tropical countries, knowledge on the ecotoxicity of such compounds to tropical amphibians remains very limited. The aim of this study was, therefore, to assess the acute lethal toxicity of three nitrogen salts (ammonium sulphate, sodium nitrate and sodium nitrite) to tadpoles of five tropical frog species: Rhinella ornata, Boana faber, B. pardalis, Physalaemus cuvieri, and P. olfersii. The order of sensitivity to the nitrogen salts for all five species was sodium nitrite > ammonium sulphate > sodium nitrate. There was not a single most sensitive species to all three nitrogen salts. However, differences in generated 4-d LC50 values between the most and least sensitive test species were small (a factor 2 to 6). A comparison with published toxicity values does not suggest an intrinsic higher, or lower, sensitivity of the tropical species tested as compared to their temperate counterparts. Reported nitrogen concentrations in sugarcane fields do not indicate a lethal risk to the amphibian species tested. Chronic-exposure and field studies are recommended to evaluate amphibian sensitivity under environmental-realistic multiple-stressor conditions.
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Affiliation(s)
- Michiel A Daam
- CENSE, Department of Environmental Sciences and Engineering, Faculty of Sciences and Technology, New University of Lisbon, Quinta da Torre, Caparica, 2829-516, Lisbon, Portugal.
| | - Paulo Ilha
- Programa de Pós-Graduação em Ecologia, Instituto de Biociências, Universidade de São Paulo, São Paulo, Brazil
| | - Luis Schiesari
- Escola de Artes, Ciências e Humanidades, Universidade de São Paulo, Av. Arlindo Béttio, no. 1000, Ermelino Matarazzo, São Paulo, SP, CEP 03828-000, Brazil
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7
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Silva LCM, Moreira RA, Pinto TJS, Ogura AP, Yoshii MPC, Lopes LFP, Montagner CC, Goulart BV, Daam MA, Espíndola ELG. Acute and chronic toxicity of 2,4-D and fipronil formulations (individually and in mixture) to the Neotropical cladoceran Ceriodaphnia silvestrii. ECOTOXICOLOGY (LONDON, ENGLAND) 2020; 29:1462-1475. [PMID: 32860623 DOI: 10.1007/s10646-020-02275-4] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 08/20/2020] [Indexed: 06/11/2023]
Abstract
Brazil is the largest producer of sugarcane and the world's top pesticide market. Therefore, environmental consequences are of concern. The aim of the present study was to evaluate the acute and chronic toxicity of pesticide formulations largely used in sugarcane crops: the herbicide DMA® 806 BR (a.i. 2,4-D) and the insecticide Regent® 800 WG (a.i. fipronil), isolated and in mixture, to the Neotropical cladoceran Ceriodaphnia silvestrii. Toxicity tests with the individual formulated products indicated 48h-EC50 values of 169 ± 18 mg a.i./L for 2,4-D and 3.9 ± 0.50 µg a.i./L for fipronil. In the chronic tests, the 8d-EC50 values for reproduction were 55 mg a.i./L (NOEC/LOEC: 50/60 mg a.i./L) and 1.6 µg a.i./L (NOEC/LOEC: 0.40/0.80 µg a.i./L) for 2,4-D and fipronil, respectively. A significant decrease in reproduction of C. silvestrii in all concentrations tested of fipronil, except at the lowest, was observed. Regarding 2,4-D, the organisms had total inhibition of reproduction in the two highest concentrations. Probably your energy reallocation was focused (trade-off) only on its survival. The acute pesticide mixture toxicity (immobility) revealed a dose level dependent deviation with antagonism at low and synergism at high concentrations. For chronic mixture (reproduction) toxicity, antagonism occurred as a result of the interaction of the pesticides. Based on our results and concentrations measured in Brazilian water bodies, fipronil represents ecological risks for causing direct toxic effects on C. silvestrii. These results are worrisome given that agricultural production is likely to increase in the coming years.
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Affiliation(s)
- Laís C M Silva
- PPG-SEA and NEEA/CRHEA/SHS, São Carlos School of Engineering, University of São Paulo, São Carlos, SP, 13560-970, Brazil.
| | - Raquel A Moreira
- PPG-SEA and NEEA/CRHEA/SHS, São Carlos School of Engineering, University of São Paulo, São Carlos, SP, 13560-970, Brazil
| | - Thandy J S Pinto
- PPG-SEA and NEEA/CRHEA/SHS, São Carlos School of Engineering, University of São Paulo, São Carlos, SP, 13560-970, Brazil
| | - Allan P Ogura
- PPG-SEA and NEEA/CRHEA/SHS, São Carlos School of Engineering, University of São Paulo, São Carlos, SP, 13560-970, Brazil
| | - Maria P C Yoshii
- PPG-SEA and NEEA/CRHEA/SHS, São Carlos School of Engineering, University of São Paulo, São Carlos, SP, 13560-970, Brazil
| | - Laís F P Lopes
- PPG-SEA and NEEA/CRHEA/SHS, São Carlos School of Engineering, University of São Paulo, São Carlos, SP, 13560-970, Brazil
| | - Cassiana C Montagner
- LQA, Institute of Chemistry, University of Campinas, Campinas, SP, 13083-970, Brazil
| | - Bianca V Goulart
- LQA, Institute of Chemistry, University of Campinas, Campinas, SP, 13083-970, Brazil
| | - Michiel A Daam
- CENSE, Department of Environmental Sciences and Engineering, Faculty of Sciences and Technology, New University of Lisbon, Quinta da Torre, 2829-516, Caparica, Portugal
| | - Evaldo L G Espíndola
- PPG-SEA and NEEA/CRHEA/SHS, São Carlos School of Engineering, University of São Paulo, São Carlos, SP, 13560-970, Brazil
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Moreira RA, Rocha O, Pinto TJDS, da Silva LCM, Goulart BV, Montagner CC, Espindola ELG. Life-History Traits Response to Effects of Fish Predation (Kairomones), Fipronil and 2,4-D on Neotropical Cladoceran Ceriodaphnia silvestrii. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2020; 79:298-309. [PMID: 32860087 DOI: 10.1007/s00244-020-00754-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Accepted: 08/17/2020] [Indexed: 06/11/2023]
Abstract
Aquatic environments are constantly exposed to a cocktail of contaminants mainly due to human activities. As polluted ecosystems may simultaneously present other multiple natural stressors, the objective of the present study was to evaluate joint effect of stressors (natural and anthropogenic) on life history traits of the Neotropical cladoceran, Ceriodaphnia silvestrii. For this purpose, the effects of water conditioned with predator kairomones (fish) and environmental concentrations (sublethal) of two pesticides widely used in sugarcane monoculture in Brazil, the insecticide Regent® 800 WG (active ingredient-a.i. fipronil) and the herbicide DMA® 806 BR (a.i. 2,4-D) were evaluated using chronic toxicity testing, isolated and in mixture, for this cladoceran species. The environmental risks of pesticides for tropical freshwater biota were also estimated from the risk quotient MEC/PNEC. Among the characteristics of the life history of C. silvestrii evaluated after 8 days of exposure, compared with the mean value of control, the age of primiparous females was not affected by any evaluated treatment. However, species average survival decreased in the treatment of kairomones mixed with fipronil (FK) and in the treatment with a mixture of fipronil, 2,4-D, and kairomones (MFKD). The body length of maternal females was shorter than in the control after exposure in treatments with only kairomones (K) and FK. Fecundity of this cladoceran was reduced when exposed to FK and MFKD treatments, and the intrinsic rate of population increase significantly decreased for organisms exposed to treatment with fipronil (F) and to mixtures of fipronil and 2,4-D (MFD), MFDK, and FK. The results indicated that the combination of anthropogenic and natural stressors causes changes in C. silvestrii life history traits, which can contribute to the decline in populations, and our preliminary risk assessment results are a matter of concern regarding biota conservation.
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Affiliation(s)
- Raquel Aparecida Moreira
- NEEA/CRHEA/SHS and PPG-SEA, São Carlos Engineering School, University of São Paulo, Av. Trabalhador São-carlense, 400 - Pq. Arnold Schimidt, São Carlos, 13560-970, Brazil.
| | - Odete Rocha
- Department of Ecology and Evolutionary Biology, Federal University of São Carlos, Rodovia Washington Luis, km 235, São Carlos, SP, 13565-905, Brazil
| | - Thandy Junio da Silva Pinto
- NEEA/CRHEA/SHS and PPG-SEA, São Carlos Engineering School, University of São Paulo, Av. Trabalhador São-carlense, 400 - Pq. Arnold Schimidt, São Carlos, 13560-970, Brazil
| | - Laís Conceição Menezes da Silva
- NEEA/CRHEA/SHS and PPG-SEA, São Carlos Engineering School, University of São Paulo, Av. Trabalhador São-carlense, 400 - Pq. Arnold Schimidt, São Carlos, 13560-970, Brazil
| | - Bianca Veloso Goulart
- Analytical Chemistry Department, Institute of Chemistry, University of Campinas, Campinas, São Paulo, 13083-970, Brazil
| | - Cassiana Carolina Montagner
- Analytical Chemistry Department, Institute of Chemistry, University of Campinas, Campinas, São Paulo, 13083-970, Brazil
| | - Evaldo Luiz Gaeta Espindola
- NEEA/CRHEA/SHS and PPG-SEA, São Carlos Engineering School, University of São Paulo, Av. Trabalhador São-carlense, 400 - Pq. Arnold Schimidt, São Carlos, 13560-970, Brazil
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9
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Mansano AS, Moreira RA, Dornfeld HC, Freitas EC, Vieira EM, Daam MA, Rocha O, Seleghim MHR. Individual and mixture toxicity of carbofuran and diuron to the protozoan Paramecium caudatum and the cladoceran Ceriodaphnia silvestrii. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 201:110829. [PMID: 32531577 DOI: 10.1016/j.ecoenv.2020.110829] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 05/23/2020] [Accepted: 05/27/2020] [Indexed: 06/11/2023]
Abstract
The toxicity of the insecticide carbofuran and herbicide diuron (individually and in mixture) to the invertebrates Paramecium caudatum and Ceriodaphnia silvestrii was evaluated. Acute and chronic toxicity tests were carried out with the diuron and carbofuran active ingredients and their commercial products, Diuron Nortox® 500 SC and Furadan® 350 SC, respectively. Individual toxicity tests showed that C. silvestrii was more sensitive to both carbofuran and diuron than P. caudatum. In single exposures, both pesticides caused adverse effects to C. silvestrii in environmentally relevant concentrations (48 h EC50 = 0.001 mg L-1 and 8 d LOEC = 0.00038 mg L-1 for formulated carbofuran; 8 d LOEC < 0.05 mg L-1 for formulated diuron). For P. caudatum, carbofuran and diuron in single exposures were only slightly toxic (24 h IC50 = 5.1 mg L-1 and 6.9 mg L-1 for formulated carbofuran and diuron, respectively). Acute and chronic exposures to diuron and carbofuran mixtures caused significant deviations of the toxicity predicted by the Concentration Addition and Independent Action reference models for both test species. For the protozoan P. caudatum, a dose-dependent deviation was verified for mortality, with synergism caused mainly by carbofuran and antagonism caused mainly by diuron. For protozoan population growth, however, an antagonistic deviation was observed when the active ingredient mixtures were tested. In the case of C. silvestrii, antagonism at low concentrations and synergism at high concentrations were revealed after acute exposure to active ingredient mixtures, whereas for reproduction an antagonistic deviation was found. Commercial formulation mixtures presented significantly higher toxicity than the active ingredient mixtures. Our results showed that carbofuran and diuron interact and cause different toxic responses than those predicted by the individually tested compounds. Their mixture toxicity should therefore be considered in risk assessments as these pesticides are likely to be present simultaneously in edge-of-field waterbodies.
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Affiliation(s)
- Adrislaine S Mansano
- Department of Ecology and Evolutionary Biology, Federal University of São Carlos, Rod. Washington Luis, Km 235, 13565-905, São Carlos, SP, Brazil; Post-Graduate Program in Ecology and Natural Resources (PPGERN), Federal University of São Carlos, Rod. Washington Luis, Km 235, 13565-905, São Carlos, SP, Brazil.
| | - Raquel A Moreira
- Department of Ecology and Evolutionary Biology, Federal University of São Carlos, Rod. Washington Luis, Km 235, 13565-905, São Carlos, SP, Brazil
| | - Hugo C Dornfeld
- Department of Ecology and Evolutionary Biology, Federal University of São Carlos, Rod. Washington Luis, Km 235, 13565-905, São Carlos, SP, Brazil
| | - Emanuela C Freitas
- Department of Ecology and Evolutionary Biology, Federal University of São Carlos, Rod. Washington Luis, Km 235, 13565-905, São Carlos, SP, Brazil
| | - Eny M Vieira
- São Carlos Institute of Chemistry, University of São Paulo, Av. Trabalhador São Carlense, 400, 13560-970, São Carlos, SP, Brazil
| | - Michiel A Daam
- CENSE, Department of Environmental Sciences and Engineering, Faculty of Sciences and Technology, New University of Lisbon, Quinta da Torre, 2829-516, Caparica, Portugal
| | - Odete Rocha
- Department of Ecology and Evolutionary Biology, Federal University of São Carlos, Rod. Washington Luis, Km 235, 13565-905, São Carlos, SP, Brazil; Post-Graduate Program in Ecology and Natural Resources (PPGERN), Federal University of São Carlos, Rod. Washington Luis, Km 235, 13565-905, São Carlos, SP, Brazil
| | - Mirna H R Seleghim
- Department of Ecology and Evolutionary Biology, Federal University of São Carlos, Rod. Washington Luis, Km 235, 13565-905, São Carlos, SP, Brazil; Post-Graduate Program in Ecology and Natural Resources (PPGERN), Federal University of São Carlos, Rod. Washington Luis, Km 235, 13565-905, São Carlos, SP, Brazil
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10
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Silva LCM, Daam MA, Gusmao F. Acclimation alters glyphosate temperature-dependent toxicity: Implications for risk assessment under climate change. JOURNAL OF HAZARDOUS MATERIALS 2020; 385:121512. [PMID: 31732333 DOI: 10.1016/j.jhazmat.2019.121512] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Revised: 10/17/2019] [Accepted: 10/19/2019] [Indexed: 06/10/2023]
Abstract
The evaluation of temperature-dependent chemical toxicity (TDCT) is imperative for future risk assessments of pesticides under global climate change scenarios. Few TDCT studies have so far considered the ability of organisms to acclimate to altered temperatures prior to pesticide exposure, although this may change their thermal tolerance range and hence their susceptibility to pesticide stress. The objective of this study was to evaluate the effect of temperature acclimation on the sensitivity of the cladoceran Ceriodaphnia silvestrii to Glyphosate. We used the shift in sensitivity of the organisms to Glyphosate when exposed to short term temperature changes as a proxy for the effect of the developmental acclimation on sensitivity. We observed that acclimation to higher temperatures reduces the sensitivity to Glyphosate when organisms are exposed to this pesticide in lower temperatures. Therefore, acclimation to high temperatures offers some protective effect against Glyphosate toxicity. We argue that pesticide risk assessments based on tests conducted at one standard temperature should be considered with care. Realistic risk assessments considering climate change scenarios should assess the mode of which organisms are exposed to temperature, therefore taking into consideration the potential effect of temperature acclimation on the sensitivity of a species to a toxicant.
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Affiliation(s)
- Laís C M Silva
- NEEA/CRHEA/USP, São Carlos School of Engineering, University of São Paulo, 13.560-970, São Carlos, SP, Brazil
| | - Michiel A Daam
- CENSE, Department of Environmental Sciences and Engineering, Faculty of Sciences and Technology, New University of Lisbon, Quinta da Torre, 2829-516 Caparica, Portugal
| | - Felipe Gusmao
- NEEA/CRHEA/USP, São Carlos School of Engineering, University of São Paulo, 13.560-970, São Carlos, SP, Brazil; Department of Marine Sciences, Federal University of São Paulo (UNIFESP), 11030-400 Santos, SP, Brazil.
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11
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Barbosa DS, Barbosa DS, Espíndola ELG, Daam MA. The direct effects of a tropical natural humic substance to three aquatic species and its influence on their sensitivity to copper. ECOTOXICOLOGY (LONDON, ENGLAND) 2019; 28:550-558. [PMID: 31119590 DOI: 10.1007/s10646-019-02031-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 02/22/2019] [Indexed: 06/09/2023]
Abstract
Few studies have been conducted so far into the effects of humic substances (HS) on aquatic organisms and their influence on the toxicity of chemical pollutants in the tropics. The aim of the present study was therefore to evaluate the direct effects of locally-derived tropical natural HS on the cladoceran Daphnia similis, the midge Chironomus xanthus and the fish Danio rerio. The influence of a HS concentration series on the acute toxicity of copper to these organisms was also assessed through laboratory toxicity testing. The HS did not exert direct acute effects on the test organisms, but long-term exposure to higher HS concentrations provoked a stress response (increase in feces production) to D. rerio and exerted effects on chironomid adult emergence and sex ratio. The biotic ligand model proved to be a useful tool in converting total copper concentrations to the appropriate bio-available fraction to which tropical aquatic organisms are exposed.
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Affiliation(s)
- Domingos S Barbosa
- NEEA/CRHEA/SHS, São Carlos Engineering School, University of São Paulo, Av. Trabalhador São Carlense, 400, São Carlos, 13.560-970, Brazil
- Environmental Technology and Management Laboratory (LTGA), Federal University of Mato Grosso, Av. dos Estudantes 5055, Rondonópolis, 78735-901, Brazil
| | - Danilo S Barbosa
- NEEA/CRHEA/SHS, São Carlos Engineering School, University of São Paulo, Av. Trabalhador São Carlense, 400, São Carlos, 13.560-970, Brazil
- Federal Institute of Paraná (IFPR), Rodovia PR 323, km 310, Umuarama, 87.507-014, Brazil
| | - Evaldo L G Espíndola
- NEEA/CRHEA/SHS, São Carlos Engineering School, University of São Paulo, Av. Trabalhador São Carlense, 400, São Carlos, 13.560-970, Brazil
| | - Michiel A Daam
- CENSE, Department of Environmental Sciences and Engineering, Faculty of Sciences and Technology, New University of Lisbon, Quinta da Torre, Caparica, 2829-516, Portugal.
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12
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Raymundo LB, Rocha O, Moreira RA, Miguel M, Daam MA. Sensitivity of tropical cladocerans to chlorpyrifos and other insecticides as compared to their temperate counterparts. CHEMOSPHERE 2019; 220:937-942. [PMID: 33395815 DOI: 10.1016/j.chemosphere.2019.01.005] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Revised: 12/31/2018] [Accepted: 01/02/2019] [Indexed: 05/25/2023]
Abstract
The use of temperate toxicity data in tropical risk assessments has often been disputed. Previous sensitivity comparisons between temperate and tropical species, however, have not shown a consistent sensitivity difference between climatically-distinct species. Such comparisons were often limited by a small tropical toxicity dataset. In addition, differences in the taxonomic compositions of the temperate and tropical species assemblages used to construct species sensitivity distributions curves also hampered direct comparisons (e.g. type and ration of crustaceans and insects). The aim of the present study was to compare the sensitivity of temperate and tropical cladocerans to insecticides. Acute laboratory toxicity tests were conducted with five Neotropical cladocerans exposed to a concentration series of the insecticide chlorpyrifos. Subsequently, their EC50 values were compared with those reported in the literature for non-tropical cladocerans. An additional literature toxicity data search for insecticides other than chlorpyrifos was also conducted for both temperate and tropical cladocerans to enable a comparison for a wider range of insecticides and taxa. The order of sensitivity of the native cladocerans to chlorpyrifos was Ceriodaphnia silvestrii (0.039 μg L-1) > Diaphanosoma birgei (0.211 μg L-1) = Daphnia laevis (0.216 μg L-1) > Moina micrura (0.463 μg L-1) = Macrothrix flabelligera (0.619 μg L-1). A regulatory acceptable concentration based on temperate cladoceran toxicity data of both chlorpyrifos and other insecticides also appeared to be sufficiently protective for tropical cladoceran species. Implications for the use of temperate toxicity data in tropical risk assessments and indications for tropical cladoceran test species selection are discussed.
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Affiliation(s)
- Larissa Broggio Raymundo
- Department of Ecology and Evolutionary Biology, Federal University of São Carlos, Rodovia Washington Luis, km 235, 13565-905, São Carlos, SP, Brazil
| | - Odete Rocha
- Department of Ecology and Evolutionary Biology, Federal University of São Carlos, Rodovia Washington Luis, km 235, 13565-905, São Carlos, SP, Brazil
| | - Raquel Aparecida Moreira
- NEEA/CRHEA/SHS, São Carlos Engineering School, University of São Paulo, Av. Trabalhador São Carlense, 400, 13.560-970 São Carlos, Brazil.
| | - Mariana Miguel
- NEEA/CRHEA/SHS, São Carlos Engineering School, University of São Paulo, Av. Trabalhador São Carlense, 400, 13.560-970 São Carlos, Brazil
| | - Michiel Adriaan Daam
- CENSE, Department of Environmental Sciences and Engineering, Faculty of Sciences and Technology, New University of Lisbon, Quinta da Torre, 2829-516 Caparica, Portugal
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13
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Freitas EC, Rocha O, Espíndola ELG. Effects of florfenicol and oxytetracycline on the tropical cladoceran Ceriodaphnia silvestrii: A mixture toxicity approach to predict the potential risks of antimicrobials for zooplankton. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2018; 162:663-672. [PMID: 30056931 DOI: 10.1016/j.ecoenv.2018.06.073] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Revised: 05/30/2018] [Accepted: 06/25/2018] [Indexed: 06/08/2023]
Abstract
Antimicrobials are commonly used in aquaculture to treat infectious diseases in fish. The overuse of these chemicals, however, has made them a contamination source for the aquatic environments. In this study, single and combined effects of florfenicol (FLO) and oxytetracycline (OTC), two antimicrobials widely used in the fish farming, were evaluated in acute and chronic toxicity tests using the tropical cladoceran Ceriodaphnia silvestrii as a model species. Also, a preliminary risk characterization of FLO and OTC for zooplankton was carried out, taking into account different exposure scenarios. The results obtained revealed that FLO and OTC have adverse effects on the mobility, reproduction and population growth rate of C. silvestrii in single exposures. In addition, mixture effects on the C. silvestrii were more severe than predicted effects based on the Concentration Addition model, showing a synergistic deviation for the mobility and a dose-level dependent deviation for the reproduction (synergism at higher levels than EC60). In relation to the risk characterization, risk quotients (RQs) exceeded 1 for chronic toxicity data obtained in both OTC and mixture exposures, indicating that the concentrations of these chemicals in Brazilian freshwater bodies could potentially present risks for the reproduction of zooplankton species in tropical regions. The RQs obtained for the mixtures were higher than those obtained for each chemical separately. Therefore, it is highly recommended that RQs are derived from single and mixture exposure data in order to obtain a more accurate risk characterization.
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Affiliation(s)
- Emanuela Cristina Freitas
- Department of Hydraulic and Sanitation (NEEA/CRHEA/SHS), Engineering School of São Carlos, University of São Paulo, Avenue Trabalhador São-Carlense 400, CEP 13560-970 São Carlos, SP, Brazil.
| | - Odete Rocha
- Department of Ecology and Evolutionary Biology, Federal University of São Carlos, Rodovia Washington Luis km 235, CEP 13565-905 São Carlos, SP, Brazil.
| | - Evaldo Luiz Gaeta Espíndola
- Department of Hydraulic and Sanitation (NEEA/CRHEA/SHS), Engineering School of São Carlos, University of São Paulo, Avenue Trabalhador São-Carlense 400, CEP 13560-970 São Carlos, SP, Brazil.
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14
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de Faria DBG, Montalvão MF, Chagas TQ, Araújo APC, Souza JMD, Mendes BO, Rodrigues ASL, Malafaia G. Behavioral changes in Japanese quails exposed to predicted environmentally relevant abamectin concentrations. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 636:1553-1564. [PMID: 29913616 DOI: 10.1016/j.scitotenv.2018.04.293] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Revised: 04/21/2018] [Accepted: 04/22/2018] [Indexed: 06/08/2023]
Abstract
Abamectin (ABA) toxicity in fish, amphibian and mammals was already proven, but its effect on birds is almost unknown. Thus, the aim of our study is to assess the impact of exposure to water with ABA for 40 days at predicted environmentally relevant concentrations on the behavior of female Japanese quails (Coturnix coturnix japonica). The three following experimental groups (n = 10 each) were set: "control", quails exposed to drinking water, without ABA, "EC1x" and "EC1000x" (0.31 mg a.i./L and 310.0 a.i./L, respectively; via commercial formulation Kraft® 36EC). The open field test showed anxiolytic response in birds exposed to ABA. These birds did not show locomotor changes or aggressive behavior in the aggressiveness test. Quails exposed to the pesticide did not react to the introduction of an object in the experimental box during the object recognition test, and it suggested perception deficit due to ABA. Moreover, these birds did not recognize the cat (Felix catus) and the vocalization of a hawk (Rupornis magnirostris) as potential predatory threats. These responses also suggest anti-predatory behavior deficit due to the pesticide. Thus, our study is pioneer in showing that water with ABA, at tested concentrations, influences the behavior of C. coturnix japonica, as well as in highlighting the potential impacts of this pesticide on this group of birds.
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Affiliation(s)
- Denise Braga Gomes de Faria
- Post-Graduation Program in Conservation of Cerrado Natural Resources, Goiano Federal Institute of Education, Sciences and Technology - Urutaí Campus, GO, Brazil
| | - Mateus Flores Montalvão
- Post-Graduation Program in Conservation of Cerrado Natural Resources, Goiano Federal Institute of Education, Sciences and Technology - Urutaí Campus, GO, Brazil
| | - Thales Quintão Chagas
- Post-Graduation Program in Conservation of Cerrado Natural Resources, Goiano Federal Institute of Education, Sciences and Technology - Urutaí Campus, GO, Brazil
| | - A P C Araújo
- Post-Graduation Program in Conservation of Cerrado Natural Resources, Goiano Federal Institute of Education, Sciences and Technology - Urutaí Campus, GO, Brazil
| | - J M de Souza
- Post-Graduation Program in Conservation of Cerrado Natural Resources, Goiano Federal Institute of Education, Sciences and Technology - Urutaí Campus, GO, Brazil
| | - B O Mendes
- Post-Graduation Program in Conservation of Cerrado Natural Resources, Goiano Federal Institute of Education, Sciences and Technology - Urutaí Campus, GO, Brazil
| | - A S L Rodrigues
- Post-Graduation Program in Conservation of Cerrado Natural Resources, Goiano Federal Institute of Education, Sciences and Technology - Urutaí Campus, GO, Brazil
| | - Guilherme Malafaia
- Post-Graduation Program in Conservation of Cerrado Natural Resources, Goiano Federal Institute of Education, Sciences and Technology - Urutaí Campus, GO, Brazil.
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15
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Mansano AS, Moreira RA, Dornfeld HC, Diniz LGR, Vieira EM, Daam MA, Rocha O, Seleghim MHR. Acute and chronic toxicity of diuron and carbofuran to the neotropical cladoceran Ceriodaphnia silvestrii. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:13335-13346. [PMID: 28004367 DOI: 10.1007/s11356-016-8274-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2016] [Accepted: 12/13/2016] [Indexed: 06/06/2023]
Abstract
In order to contribute to the increase of the body of knowledge on the sensitivity of tropical indigenous species to pesticides, acute and chronic toxicity tests were conducted with the neotropical cladoceran Ceriodaphnia silvestrii. Tests were carried out with the active ingredients diuron and carbofuran and one of their commercial formulations, the Diuron Nortox® 500 SC and the Furadan® 350 SC, respectively. For carbofuran, the active ingredient was more toxic than the commercial product, whereas for diuron, the commercial product appeared more toxic. In addition, hormetic effects on fertility were recorded for intermediate diuron concentrations. Acute and chronic toxicity data indicated that C. silvestrii was among the most sensitive invertebrate species for both test compounds. Based on concentrations measured in Brazilian water bodies, these compounds represent ecological risks for causing direct and indirect toxic effects on C. silvestrii and other aquatic organisms. Our results support previous claims on the advantages of using native species to better tune ecological risk assessment of chemicals in tropical ecosystems.
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Affiliation(s)
- Adrislaine S Mansano
- Department of Ecology and Evolutionary Biology, Federal University of São Carlos, Rodovia Washington Luis, km 235, São Carlos, SP, 13565-905, Brazil.
| | - Raquel A Moreira
- Department of Ecology and Evolutionary Biology, Federal University of São Carlos, Rodovia Washington Luis, km 235, São Carlos, SP, 13565-905, Brazil
| | - Hugo C Dornfeld
- Department of Ecology and Evolutionary Biology, Federal University of São Carlos, Rodovia Washington Luis, km 235, São Carlos, SP, 13565-905, Brazil
| | - Lia G R Diniz
- São Carlos Institute of Chemistry, University of São Paulo, Av. Trabalhador São Carlense, 400, São Carlos, SP, 13560-970, Brazil
| | - Eny M Vieira
- São Carlos Institute of Chemistry, University of São Paulo, Av. Trabalhador São Carlense, 400, São Carlos, SP, 13560-970, Brazil
| | - Michiel A Daam
- Departamento de Ciências e Engenharia do Ambiente, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516, Caparica, Portugal
| | - Odete Rocha
- Department of Ecology and Evolutionary Biology, Federal University of São Carlos, Rodovia Washington Luis, km 235, São Carlos, SP, 13565-905, Brazil
| | - Mirna H R Seleghim
- Department of Ecology and Evolutionary Biology, Federal University of São Carlos, Rodovia Washington Luis, km 235, São Carlos, SP, 13565-905, Brazil
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16
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Montalvão MF, Malafaia G. Effects of abamectin on bullfrog tadpoles: insights on cytotoxicity. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:23411-23416. [PMID: 28895048 DOI: 10.1007/s11356-017-0124-x] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2017] [Accepted: 09/05/2017] [Indexed: 06/07/2023]
Abstract
Abamectin is one of the most used pesticides worldwide. However, investigations about its effects on amphibian populations are rare. Thus, the present study sought to investigate possible cytotoxic effects on Lithobates catesbeianus tadpoles exposed to low abamectin concentrations diluted in water. Accordingly, four experimental groups were set: negative control, positive control (cyclophosphamide-40 mL L-1), abamectin at concentrations 36 μg a.i./L (ABA36 group), and 72 μg a.i./L (ABA72 group), applied as Kraft® 36EC. The micronucleus test was conducted and other nuclear abnormalities in peripheral blood erythrocytes were checked after 24, 48, and 72 h of exposure to the treatments. The total of other nuclear abnormalities was influenced by the treatments, whereas the frequency of micronuclei was influenced by the exposure time. Such frequency was higher in the animals comprising the ABA72 group, which was assessed 72 h after the exposure had begun. The total of other nuclear abnormalities was influenced by the treatments. Animals in the positive control, ABA36, and ABA72 groups showed similar frequency of these abnormalities at 48 and 72 h. However, this frequency was statistically higher than that of animals in their respective negative control groups. Thus, the present study confirmed the hypothesis that the exposure of L. catesbeianus tadpoles to abamectin caused cytotoxic effects on them, although this exposure lasted short and the concentrations were low. It disclosed prospects for variations in the nucleus of erythrocytes circulating in amphibians, a fact that may provide an important/complementary approach for the detection of cytotoxicity caused by abamectin exposure.
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Affiliation(s)
- Mateus Flores Montalvão
- Laboratório de Pesquisas Biológicas, Instituto Federal Goiano-Campus Urutaí, Rodovia Geraldo Silva Nascimento, 2,5 km, Zona Rural, Urutaí, GO, 75790-000, Brazil
| | - Guilherme Malafaia
- Laboratório de Pesquisas Biológicas, Instituto Federal Goiano-Campus Urutaí, Rodovia Geraldo Silva Nascimento, 2,5 km, Zona Rural, Urutaí, GO, 75790-000, Brazil.
- Departamento de Ciências Biológicas, Programa de Pós-Graduação em Conservação de Recursos Naturais do Cerrado, Instituto Federal Goiano-Campus Urutaí, Urutaí, GO, Brazil.
- Programa de Pós-Graduação em Biodiversidade Animal, Universidade Federal de Goiás-Campus Samambaia, Goiânia, GO, Brazil.
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17
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Falkenberg LJ, Wrange AL, Kinnby A, Havenhand JN, Lockyer A, Styan CA. Low sensitivity of reproductive life-stages in the Pacific oyster (Crassostrea gigas) to abamectin. CHEMOSPHERE 2017; 182:665-671. [PMID: 28528312 DOI: 10.1016/j.chemosphere.2017.05.085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2017] [Revised: 05/12/2017] [Accepted: 05/13/2017] [Indexed: 06/07/2023]
Abstract
Hard surfaces submerged in the marine environment often become colonised by macro-organisms unless the surfaces have some form of biofouling protection. While protective paints that contain tributyltin or copper work well to prevent biofouling, release of these materials into the environment has been shown to have wider negative impacts. Consequently, new low-release antifouling paints are being developed with alternative active ingredients, such as avermectins, yet little is known about their potential effects on non-target organisms in marine environments. Here we investigated the toxicity of a key avermectin, specifically abamectin, on several aspects of reproduction (sperm motility, fertilisation success, early larval development) in the Pacific oyster, Crassostrea gigas. Oyster reproduction was generally insensitive to the low concentrations of abamectin, although greater concentrations of abamectin did negatively affect all three endpoints - LOECs were 1000 μg l-1, 500 μg l-1, and 100 μg l-1 abamectin for sperm motility, fertilisation success, and larval development, respectively. A similar pattern was found in the EC50s of the three endpoints (mean ± SE) 934 ± 59 μg l-1, 1076.26 ± 725.61 μg l-1, and 140 ± 78 μg l-1 abamectin (sperm motility, fertilisation success, and larval development, respectively). Together, these results clearly indicate that of the three endpoints considered, larval development was more sensitive to abamectin (lower LOEC, EC50) than fertilisation success and sperm motility. Although more data are needed from a wider range of marine species and environments to fully assess potential toxicity effects on non-target organisms, our results highlight the potential utility of abamectin in low-release antifouling paints.
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Affiliation(s)
- Laura J Falkenberg
- UCL Australia, University College London, 220 Victoria Square, Adelaide, SA, 5000, Australia.
| | - Anna-Lisa Wrange
- Department of Marine Sciences, Tjärnö, University of Gothenburg, Strömstad, 45296, Sweden
| | - Alexandra Kinnby
- Department of Marine Sciences, Tjärnö, University of Gothenburg, Strömstad, 45296, Sweden
| | - Jon N Havenhand
- Department of Marine Sciences, Tjärnö, University of Gothenburg, Strömstad, 45296, Sweden
| | - Antony Lockyer
- UCL Australia, University College London, 220 Victoria Square, Adelaide, SA, 5000, Australia
| | - Craig A Styan
- UCL Australia, University College London, 220 Victoria Square, Adelaide, SA, 5000, Australia
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18
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Vasconcelos AM, Daam MA, de Resende JC, Casali-Pereira MP, Espíndola ELG. Survival and development of bullfrog tadpoles in microcosms treated with abamectin. ECOTOXICOLOGY (LONDON, ENGLAND) 2017; 26:729-737. [PMID: 28409414 DOI: 10.1007/s10646-017-1804-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 04/05/2017] [Indexed: 05/22/2023]
Abstract
As compared to other aquatic taxonomic groups, few studies have been conducted so far evaluating the potential risks of pesticides to amphibians. Furthermore, most existing studies with amphibians consist of acute laboratory toxicity tests that mostly only evaluated single peak pesticide exposure. In the present study, potential chronic effects of single and repeated abamectin applications on the survival and development of L. catesbeianus tadpoles under (semi-) field conditions were evaluated. To this end, tadpoles were housed in microcosms treated with single or repeated applications of abamectin (as the commercial product Vertimec® 18 EC). The single application level corresponded to the previously established laboratory 96 h LC50 of the test organism, whereas the repeated application was based on abamectin concentrations likely to occur in runoff water from agricultural areas where Vertimec® 18 EC is applied. Under semi-field conditions, toxicity after the single application was greater than would be expected from the laboratory toxicity value. Although the repeated application did not exert direct effects on tadpole survival, the observed delay in development may have pronounced effect on the fitness and survival of anuran populations in edge-of-field water bodies.
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Affiliation(s)
- Ana M Vasconcelos
- NEEA/CRHEA/SHS, São Carlos Engineering School, University of São Paulo, Av. Trabalhador São Carlense, 400, 13.560-970, São Carlos, Brazil
| | - Michiel A Daam
- NEEA/CRHEA/SHS, São Carlos Engineering School, University of São Paulo, Av. Trabalhador São Carlense, 400, 13.560-970, São Carlos, Brazil.
- CENSE, Department of Environmental Sciences and Engineering, Faculty of Sciences and Technology, New University of Lisbon, Quinta da Torre, Caparica, 2829-516, Portugal.
| | - Juliana C de Resende
- NEEA/CRHEA/SHS, São Carlos Engineering School, University of São Paulo, Av. Trabalhador São Carlense, 400, 13.560-970, São Carlos, Brazil
| | - Maressa P Casali-Pereira
- NEEA/CRHEA/SHS, São Carlos Engineering School, University of São Paulo, Av. Trabalhador São Carlense, 400, 13.560-970, São Carlos, Brazil
| | - Evaldo L G Espíndola
- NEEA/CRHEA/SHS, São Carlos Engineering School, University of São Paulo, Av. Trabalhador São Carlense, 400, 13.560-970, São Carlos, Brazil
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19
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Moreira RA, Daam MA, Vieira BH, Sanches ALM, Reghini MV, da Silva Mansano A, de Freitas EC, Espindola ELG, Rocha O. Toxicity of abamectin and difenoconazole mixtures to a Neotropical cladoceran after simulated run-off and spray drift exposure. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2017; 185:58-66. [PMID: 28187361 DOI: 10.1016/j.aquatox.2017.02.001] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2016] [Revised: 01/26/2017] [Accepted: 02/02/2017] [Indexed: 06/06/2023]
Abstract
Aquatic risk assessments of pesticides in tropical countries have often been disputed for being largely based on risk evaluations conducted in temperate regions. Although pesticide sensitivity comparisons between temperate and tropical freshwater organisms have indeed not revealed consistent differences, risk assessments are currently still based on a relatively small tropical toxicity dataset. In addition, greater levels of runoff and spray drift may be expected in tropical than in temperate agroecosystems, indicating that aquatic life in edge-of-field water bodies is likely to be subjected to higher concentrations of pesticides and their mixtures. The aim of the present study was to evaluate the toxicity of Kraft® 36 EC (a.i. abamectin), Score® 250 EC (a.i. difenoconazole) and their mixture to the Neotropical cladoceran Macrothrix flabelligera. Laboratory toxicity tests with the individual formulated products indicated EC50-48h values of 3.1 and 659μg a.i./L given as nominal test concentrations, respectively. Mixtures of the two pesticides revealed a concentration-dependent deviation of the independent action model, with antagonism at low and synergism at high pesticide mixture concentrations. Laboratory toxicity tests were also conducted with microcosm water that was treated with the individual or mixtures through runoff or direct overspray. Microcosm tanks receiving runoff water from experimental soil plots applied with recommended doses of the individual pesticides did not show toxicity to the test organism. Microcosms that received runoff water containing the pesticide mixture, however, did cause a short-term effect on immobility. The microcosms that were treated by direct overspray of both pesticide formulations showed the most pronounced toxic effects. Study findings suggest a potential risk of these pesticides at environmentally relevant concentrations, especially when they are both present.
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Affiliation(s)
- Raquel Aparecida Moreira
- Post-Graduate Program of Ecology and Natural Resources, Department of Ecology and Evolutionary Biology, Federal University of São Carlos, Rodovia Washington Luis, km 235, 13565-905, São Carlos, SP, Brazil.
| | - Michiel Adriaan Daam
- NEEA/CRHEA/SHS, São Carlos Engineering School, University of São Paulo, Av. Trabalhador São Carlense, 400, 13.560-970 São Carlos, Brazil; Department of Environmental Sciences and Engineering, Faculty of Sciences and Technology, New University of Lisbon, Quinta da Torre, 2829-516 Caparica, Portugal
| | - Bruna Horvath Vieira
- NEEA/CRHEA/SHS, São Carlos Engineering School, University of São Paulo, Av. Trabalhador São Carlense, 400, 13.560-970 São Carlos, Brazil
| | - Ana Letícia Madeira Sanches
- NEEA/CRHEA/SHS, São Carlos Engineering School, University of São Paulo, Av. Trabalhador São Carlense, 400, 13.560-970 São Carlos, Brazil
| | - Marina Vanderlei Reghini
- NEEA/CRHEA/SHS, São Carlos Engineering School, University of São Paulo, Av. Trabalhador São Carlense, 400, 13.560-970 São Carlos, Brazil
| | - Adrislaine da Silva Mansano
- Post-Graduate Program of Ecology and Natural Resources, Department of Ecology and Evolutionary Biology, Federal University of São Carlos, Rodovia Washington Luis, km 235, 13565-905, São Carlos, SP, Brazil
| | - Emanuela Cristina de Freitas
- Post-Graduate Program of Ecology and Natural Resources, Department of Ecology and Evolutionary Biology, Federal University of São Carlos, Rodovia Washington Luis, km 235, 13565-905, São Carlos, SP, Brazil
| | - Evaldo Luiz Gaeta Espindola
- NEEA/CRHEA/SHS, São Carlos Engineering School, University of São Paulo, Av. Trabalhador São Carlense, 400, 13.560-970 São Carlos, Brazil
| | - Odete Rocha
- Post-Graduate Program of Ecology and Natural Resources, Department of Ecology and Evolutionary Biology, Federal University of São Carlos, Rodovia Washington Luis, km 235, 13565-905, São Carlos, SP, Brazil
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